Raw material proportioning device for lithium battery electrolyte

Abstract

The utility model discloses a raw material proportioning device for lithium battery electrolyte, and relates to the technical field of electrolyte preparation, the raw material proportioning device comprises an integrated tank, a tank opening mechanism, an injection mechanism and a mixing mechanism, the upper end of the integrated tank is provided with a tank cover, the lower end of the tank cover is provided with a lower ejector rod, and the lower end of the lower ejector rod is provided with a conical air bag; a top bolt is installed at one end of the integrated tank, a tank opening mechanism is installed at one end of the top bolt, and an injection mechanism is installed at one end of the integrated tank. Through the arrangement of the integrated tank, the conical air bag and the tank opening mechanism, required raw materials are injected into the integrated tank from the bottom of the integrated tank through the injection pipe, so that the conical air bag is extruded upwards from the bottom of the integrated tank, and air is effectively prevented from entering the integrated tank to form bubbles; the conical air bag can be pressed downwards in the integrated tank through the acting force of the lower ejector rod, so that raw materials in the tank are guided out through the output pipe to be collected, and the bubble-free effect of throwing and collecting of the lifting device is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of electrolyte preparation, in particular to a raw material proportioning device for lithium battery electrolyte. Background Art

[0002] Lithium battery is a kind of battery that uses lithium metal or lithium alloy as negative electrode material and non-aqueous electrolyte solution. Due to the very active chemical properties of lithium metal, the processing, storage and use of lithium metal have very high environmental requirements. Lithium battery electrolyte is the carrier of ion transmission in the battery, generally composed of lithium salt and organic solvent. The electrolyte plays the role of conducting ions between the positive and negative electrodes of the lithium battery, and is the guarantee for the lithium-ion battery to obtain advantages such as high voltage and high specific energy. The electrolyte is generally made of high-purity organic solvents, electrolyte lithium salts and necessary additives and other raw materials, prepared in a certain proportion under certain conditions. In the process of preparing the lithium battery electrolyte, it is necessary to stir it so that the electrolyte reacts quickly. The existing electrolyte preparation device has a single function. Since a large number of bubbles are easily generated during the reaction and stirring of the electrolyte, the quality of the product is reduced, the performance of the lithium battery is damaged, and losses are caused. Therefore, a raw material proportioning device for lithium battery electrolyte is needed.

[0003] The existing patent document with the technical disclosure number CN209901215U provides a lithium battery electrolyte preparation device, including a glove box, a preparation barrel, a rotating dissolving device and a spray cooling device; a discharge joint is provided at the bottom of the glove box, and a feed joint is provided on the preparation barrel, and the discharge joint is connected to the feed; a tumbling chamber for accommodating and fixing the preparation barrel is provided in the rotating dissolving device, which is used to rotate and tumble the preparation barrel; the spray cooling device is provided above the rotating dissolving device, which is used to spray cooling liquid to the preparation barrel. The lithium battery electrolyte preparation device provided by the utility model has high efficiency and stable electrolyte quality, but the CN209901215U technology cannot effectively improve the bubble-free effect of the device's delivery and collection during operation, and cannot effectively improve the accuracy of the device's delivery, and cannot improve the efficiency of the device's mixing of raw materials. Therefore, a raw material proportioning device for lithium battery electrolyte is urgently needed. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a raw material proportioning device for lithium battery electrolyte, so as to solve the problem that the existing raw material proportioning device for lithium battery electrolyte cannot effectively improve the bubble-free effect of the device's placement and collection when in use, and cannot effectively improve the accuracy of the device's placement, and cannot improve the efficiency of the device in mixing raw materials.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a raw material proportioning device for lithium battery electrolyte, comprising an integrated tank, a tank mouth mechanism, an injection mechanism and a mixing mechanism, a tank cover is installed at the upper end of the integrated tank, a lower push rod is installed at the lower end of the tank cover, a conical airbag is installed at the lower end of the lower push rod, a push bolt is installed at one end of the integrated tank, and a tank mouth mechanism is installed at one end of the push bolt.

[0006] An injection mechanism is installed at one end of the integrated tank.

[0007] A mixing mechanism is installed at one end of the integrated tank, a cover control gear shaft is installed at one end of the integrated tank, and a third gear shaft motor is installed at one end of the cover control gear shaft.

[0008] Preferably, the tank mouth mechanism comprises a sealed tank plug, an injection tube, a sealing gasket, a connecting tube and an output tube, a sealed tank plug is installed on the upper end of the top bolt, an injection tube is installed on one end of the sealed tank plug, a sealing gasket is installed on one end of the injection tube, a connecting tube is installed on one end of the injection tube, and an output tube is installed on one end of the sealed tank plug.

[0009] Preferably, the output pipe is snap-connected with the sealed tank plug, and the injection pipe is threadedly connected with the sealed tank plug through a connecting tube.

[0010] Preferably, the injection mechanism comprises a transparent scale tank, a tank connecting barrel, a feed pipe and a feed pump, a transparent scale tank is installed at one end of the integrated tank, a tank connecting barrel is installed at the lower end of the transparent scale tank, a feed pipe is installed at the middle end of the tank connecting barrel, and a feed pump is installed at one end of the feed pipe.

[0011] Preferably, the transparent graduated tank is snap-fittedly connected to the integrated tank, and the feed delivery pipe is threadedly connected to the transparent graduated tank via a tank connecting tube.

[0012] Preferably, the mixing mechanism includes a first gear shaft motor, a sleeve gear shaft, a stirring shaft, a position control gear shaft and a second gear shaft motor. The first gear shaft motor is installed at one end of the tank cover, the sleeve gear shaft is installed at one end of the first gear shaft motor, the stirring shaft is installed at the middle end of the sleeve gear shaft, the position control gear shaft is installed at the middle end of the stirring shaft, and the second gear shaft motor is installed at one end of the position control gear shaft.

[0013] Preferably, the stirring shaft forms a lifting structure with the tank cover through the position-controlling gear shaft, and the stirring shaft forms a rotating structure with the tank cover through the sleeve gear shaft.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model provides an integrated tank, a conical airbag and a tank mouth mechanism. The solvent is injected into the required raw materials from the bottom of the integrated tank through the injection pipe, so that the conical airbag is squeezed upward from the bottom of the integrated tank, effectively preventing air from entering and forming bubbles. After the raw materials are mixed, the conical airbag can be pressed downward in the integrated tank by the force of the lower ejector rod, so that the raw materials in the tank are discharged through the output pipe and collected, thereby improving the bubble-free effect of the device for delivery and collection;

[0016] 2. The utility model turns on the delivery pump through the integrated tank and the injection mechanism, and turns on the liquid-passing switch at the lower end of the transparent scale tank according to the order of placement, so that the solvent in the transparent scale tank is injected into the integrated tank through the injection pipe provided on the plug barrel by the delivery pump along the delivery pipe, and the amount of each solvent is controlled by observing the solvent scale on the transparent scale tank, thereby improving the accuracy of the device placement;

[0017] 3. The utility model sets up an integrated tank and a mixing mechanism, starts the second gear shaft motor to drive the position-controlling gear shaft to rotate, thereby moving the stirring shaft upward to a suitable position, and then starts the second gear shaft motor to drive the sleeve gear shaft to rotate on the tank cover, thereby driving the stirring shaft engaged at the middle end to rotate and mix, thereby improving the efficiency of mixing raw materials in the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front cross-sectional view of the utility model;

[0019] Figure 2 It is a schematic diagram of the structure of the utility model in cross section;

[0020] Figure 3 It is a structural schematic diagram of the tank mouth mechanism of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the injection mechanism of the utility model;

[0022] Figure 5 It is a structural schematic diagram of the mixing mechanism of the utility model.

[0023] In the figure: 1. integrated tank; 2. tank cover; 3. lower ejector rod; 4. conical airbag; 5. ejector bolt; 6. tank mouth mechanism; 601. sealed tank plug; 602. injection pipe; 603. sealing gasket; 604. connecting plug cylinder; 605. output pipe; 7. injection mechanism; 701. transparent scale tank; 702. connecting tank cylinder; 703. feed pipe; 704. feed pump; 8. mixing mechanism; 801. first gear shaft motor; 802. sleeve gear shaft; 803. stirring shaft; 804. control gear shaft; 805. second gear shaft motor; 9. cover control gear shaft; 10. third gear shaft motor. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0025] The following describes an embodiment of the utility model based on its overall structure.

[0026] See also Figure 1-5 A raw material proportioning device for lithium battery electrolyte, comprising an integrated tank 1, a tank mouth mechanism 6, an injection mechanism 7 and a mixing mechanism 8, wherein a tank cover 2 is installed at the upper end of the integrated tank 1, a lower ejector rod 3 is installed at the lower end of the tank cover 2, a conical airbag 4 is installed at the lower end of the lower ejector rod 3, a top bolt 5 is installed at one end of the integrated tank 1, a tank mouth mechanism 6 is installed at one end of the top bolt 5, the tank mouth mechanism 6 comprises a sealed tank plug 601, an injection pipe 602, a sealing gasket 603, a connecting plug tube 604 and an output pipe 605, a sealed tank plug 601 is installed at the upper end of the top bolt 5, an injection pipe 602 is installed at one end of the sealed tank plug 601, a sealing gasket 603 is installed at one end of the injection pipe 602, and the injection pipe 602 is provided with a connecting plug tube 604. A connecting tube 604 is installed at one end, and an output tube 605 is installed at one end of the sealed tank plug 601. The output tube 605 is snap-connected with the sealed tank plug 601, and the injection tube 602 is threadedly connected with the sealed tank plug 601 through the connecting tube 604. The solvent is injected into the required raw materials from the bottom of the integrated tank 1 through the injection tube 602, so that the conical air bag 4 is squeezed upward from the bottom of the integrated tank 1, effectively preventing air from entering and forming bubbles. After the raw materials are mixed, the conical air bag 4 can be pressed downward in the integrated tank 1 through the force of the lower push rod 3, so that the raw materials in the tank are discharged through the output tube 605 and collected, thereby enhancing the bubble-free effect of the device's delivery and collection.

[0027] See also Figure 1-5 A raw material proportioning device for lithium battery electrolyte, an integral tank 1 is provided with an injection mechanism 7 at one end, the injection mechanism 7 comprises a transparent scale tank 701, a tank connecting tube 702, a material delivery pipe 703 and a delivery pump 704, a transparent scale tank 701 is provided at one end of the integral tank 1, a tank connecting tube 702 is provided at the lower end of the transparent scale tank 701, a material delivery pipe 703 is provided at the middle end of the tank connecting tube 702, a delivery pump 704 is provided at one end of the material delivery pipe 703, the transparent scale tank 701 is connected with the integral tank 1 by snapping, and the material delivery pipe 70 The connecting cylinder 702 is threadedly connected with the transparent scale cylinder 701, the delivery pump 704 is turned on, and the transparent scale cylinder 701 is opened according to the order of delivery, so that the solvent in the transparent scale cylinder 701 is injected into the integrated tank 1 through the injection pipe 602 provided on the connecting cylinder 604 by the delivery pump 704 along the feeding pipe 703, and the amount of each solvent is controlled by observing the solvent scale on the transparent scale cylinder 701, so as to improve the accuracy of the device delivery.

[0028] See also Figure 1-5 A raw material proportioning device for lithium battery electrolyte, a mixing mechanism 8 is installed at one end of the integrated tank 1, a cover control gear shaft 9 is installed at one end of the integrated tank 1, a third gear shaft motor 10 is installed at one end of the cover control gear shaft 9, the mixing mechanism 8 includes a first gear shaft motor 801, a sleeve gear shaft 802, a stirring shaft 803, a control gear shaft 804 and a second gear shaft motor 805, a first gear shaft motor 801 is installed at one end of the tank cover 2, a sleeve gear shaft 802 is installed at one end of the first gear shaft motor 801, a sleeve gear shaft 802 is installed at the middle end of the sleeve gear shaft 802, a stirring shaft 803 is installed at the middle end of the stirring shaft 803, and a control gear shaft 804 is installed at the middle end of the stirring shaft 803. The second gear motor 805 is installed at one end of the position-controlling gear shaft 804, the stirring shaft 803 forms a lifting structure with the tank cover 2 through the position-controlling gear shaft 804, and the stirring shaft 803 forms a rotating structure with the tank cover 2 through the sleeve gear shaft 802. The second gear motor 805 is started to drive the position-controlling gear shaft 804 to rotate, so as to move the stirring shaft 803 upward to a suitable position, and then the second gear motor 805 is started to drive the sleeve gear shaft 802 to rotate on the tank cover 2, so as to drive the stirring shaft 803 engaged at the middle end to rotate and mix, thereby improving the efficiency of mixing raw materials of the device.

[0029] Working principle: When in use, the delivery pump 704 is turned on first, and the liquid-passing switch at the lower end of the transparent scale tank 701 is turned on according to the order of placement, so that the solvent in the transparent scale tank 701 is injected into the integrated tank 1 through the injection pipe 602 set on the plug cylinder 604 along the delivery pipe 703 by the delivery pump 704, and the amount of each solvent is controlled by observing the solvent scale on the transparent scale tank 701 to improve the accuracy of the device placement. The solvent is injected into the required raw materials from the bottom of the integrated tank 1 through the injection pipe 602, thereby squeezing the conical airbag 4 from the bottom of the integrated tank 1 upward, effectively preventing air from entering and forming bubbles. When the required raw materials are injected, The second gear shaft motor 805 can be started to drive the control gear shaft 804 to rotate, so as to move the stirring shaft 803 upward to a suitable position, and then the second gear shaft motor 805 is started to drive the sleeve gear shaft 802 to rotate on the tank cover 2, thereby driving the stirring shaft 803 engaged at the middle end to rotate and mix, thereby improving the efficiency of the device in mixing raw materials. After the raw materials are mixed, the conical airbag 4 can be pressed downward in the integrated tank 1 through the force of the lower push rod 3, so that the raw materials in the tank are discharged through the output pipe 605 and collected, thereby improving the bubble-free effect of the device in delivering and collecting, and thus completing the use process of the device. The contents not described in detail in this manual belong to the prior art known to professional and technical personnel in this field.

[0030] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A raw material proportioning device for lithium battery electrolyte, comprising an integrated tank (1), a tank mouth mechanism (6), an injection mechanism (7) and a mixing mechanism (8), characterized in that: The upper end of the integrated tank (1) is provided with a tank cover (2), the lower end of the tank cover (2) is provided with a lower push rod (3), the lower end of the lower push rod (3) is provided with a conical air bag (4), one end of the integrated tank (1) is provided with a push bolt (5), and one end of the push bolt (5) is provided with a tank mouth mechanism (6); An injection mechanism (7) is installed at one end of the integrated tank (1); A mixing mechanism (8) is installed at one end of the integrated tank (1), a cover control gear shaft (9) is installed at one end of the integrated tank (1), and a third gear shaft motor (10) is installed at one end of the cover control gear shaft (9); The tank mouth mechanism (6) comprises a sealed tank plug (601), an injection pipe (602), a sealing gasket (603), a connecting tube (604) and an output pipe (605); the sealed tank plug (601) is installed on the upper end of the top bolt (5); the injection pipe (602) is installed on one end of the sealed tank plug (601); the sealing gasket (603) is installed on one end of the injection pipe (602); the connecting tube (604) is installed on one end of the injection pipe (602); and the output pipe (605) is installed on one end of the sealed tank plug (601).

2. A raw material proportioning device for lithium battery electrolyte according to claim 1, characterized in that: The output tube (605) is snap-connected with the sealed tank plug (601), and the injection tube (602) is threadedly connected with the sealed tank plug (601) via a connecting tube (604).

3. The raw material proportioning device for lithium battery electrolyte according to claim 1, characterized in that: The injection mechanism (7) comprises a transparent graduated tank (701), a tank connecting tube (702), a material delivery pipe (703) and a delivery pump (704); the transparent graduated tank (701) is mounted at one end of the integrated tank (1); the tank connecting tube (702) is mounted at the lower end of the transparent graduated tank (701); the material delivery pipe (703) is mounted at the middle end of the tank connecting tube (702); and the delivery pump (704) is mounted at one end of the material delivery pipe (703).

4. A raw material proportioning device for lithium battery electrolyte according to claim 3, characterized in that: The transparent graduated tank (701) is snap-connected to the integrated tank (1), and the feed pipe (703) is threadedly connected to the transparent graduated tank (701) via the tank connecting tube (702).

5. The raw material proportioning device for lithium battery electrolyte according to claim 1, characterized in that: The mixing mechanism (8) comprises a first gear shaft motor (801), a sleeve gear shaft (802), a stirring shaft (803), a position control gear shaft (804) and a second gear shaft motor (805); the first gear shaft motor (801) is mounted on one end of the tank cover (2); the sleeve gear shaft (802) is mounted on one end of the first gear shaft motor (801); the stirring shaft (803) is mounted on the middle end of the sleeve gear shaft (802); the position control gear shaft (804) is mounted on the middle end of the stirring shaft (803); and the second gear shaft motor (805) is mounted on one end of the position control gear shaft (804).

6. A raw material proportioning device for lithium battery electrolyte according to claim 5, characterized in that: The stirring shaft (803) forms a lifting structure with the tank cover (2) through the positioning gear shaft (804), and the stirring shaft (803) forms a rotating structure with the tank cover (2) through the sleeve gear shaft (802).

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