Feeding device for lithium battery solvent
Technical Field
The utility model relates to the technical field of lithium battery production, in particular to a feeding device of a lithium battery solvent.
Background
The lithium battery is a battery using a nonaqueous electrolyte solution, and using lithium metal or a lithium alloy as an anode material.
Through retrieving, the patent of application number 202110632016.4 discloses an automatic injection equipment of lithium battery electrolyte, which comprises a base, the base top is provided with annotates liquid mechanism, annotate liquid mechanism below and be provided with the carousel, the standing groove has been seted up to the carousel upper surface, the standing groove follows carousel central point puts outwards and divide gradually into one-level group of grooves, second grade group of grooves, tertiary group of grooves and four-level group of grooves, and this automatic injection equipment of lithium battery electrolyte has abandoned traditional pipelined's processing mode through turnover formula of filling lithium battery electrolyte, and area is little, can also effective control equipment and land resource's use cost when guaranteeing the effectual automatic injection of lithium battery electrolyte, and through the supporting mechanism who sets up, can order about carousel automatic forward a position after carousel rotation to automatic switch over the standing groove on the carousel from four-level group of grooves to tertiary group of grooves, second grade group of grooves and one-level group of grooves in proper order, thereby accomplish the electrolyte injection of whole lithium battery on the whole carousel automatically.
According to the scheme, electrolyte can be injected into a plurality of lithium batteries at one time, the occupied space of the device is small, and land resources are saved, but the scheme does not describe how to control the amount of electrolyte injected into each lithium battery in detail, and residual electrolyte on the electrolyte injection nozzle needs to be removed through brushing a brush, so that time and labor are wasted, the electrolyte injection efficiency is reduced, and therefore, a feeding device for a lithium battery solvent is needed.
Disclosure of Invention
The utility model aims to provide a feeding device of a lithium battery solvent, wherein a liquid injection nozzle is additionally provided with an in-place detection mechanism, a lithium battery is firstly lifted to a specified height, the amount of electrolyte is preset, in the process of injecting the electrolyte into the lithium battery, a buoyancy ball drives a detection rod to lift until the detection rod is propped against a touch sensor, at the moment, the injection amount of the electrolyte is the preset injection amount, then the electrolyte is stopped to be injected immediately, the accurate control of the injection amount of the electrolyte is facilitated, and the electrolyte injection efficiency is improved, so that the problems in the background technology are solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a feed arrangement of lithium cell solvent, includes electrolyte storage bucket and workstation, the outer wall of electrolyte storage bucket is connected with the notes material pipe, the discharge gate of notes material pipe is connected with annotates the liquid mouth, annotate the outer wall cover of liquid mouth and be equipped with the detection mechanism that targets in place, the carousel is installed in the top rotation of workstation, the joint has the multiunit to be the lithium cell main part that the annular array set up on the carousel, be provided with annotating the liquid mouth on the lithium cell main part, annotate the liquid mouth and be located the top of annotating the liquid mouth;
the in-place detection mechanism comprises a shell which is sleeved and fixed on the outer wall of the liquid injection nozzle, a buoyancy ball is installed in the shell in a lifting mode, the top of the buoyancy ball is connected with a detection rod, a sensor is installed at the inner top of the shell, and the detection rod is aligned with the sensor.
Preferably, a motor is fixedly arranged at the bottom of the workbench, and one end of an output shaft of the motor is connected with the bottom of the turntable.
Preferably, a plurality of groups of lithium battery placing grooves are formed in the annular array on the turntable, and the lithium battery main body is installed in the lithium battery placing grooves.
Preferably, the through hole is formed in the bottom of the lithium battery placing groove, the air cylinder is installed at the bottom of the workbench, and one end of a piston rod of the air cylinder is movably installed in the through hole.
Preferably, the shell is an annular shell, a plurality of groups of feeding holes are formed in the bottom of the shell, and the buoyancy balls are located above the feeding holes.
Preferably, a plurality of groups of upright posts penetrating through the buoyancy balls are connected between the inner top and the inner bottom of the shell, and the buoyancy balls are slidably mounted on the upright posts.
Preferably, the injection pipe is an L-shaped injection pipe, and a valve is arranged on the injection pipe.
Preferably, the depth of the lithium battery placing groove is larger than the distance between the lithium battery main body and the liquid injection nozzle.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the in-place detection mechanism is additionally arranged on the liquid injection nozzle, the lithium battery is firstly lifted to the designated height, the amount of electrolyte is preset, in the process of injecting the electrolyte into the lithium battery, the buoyancy ball drives the detection rod to lift until the detection rod is propped against the touch sensor, at this time, the injection amount of the electrolyte is the preset injection amount, then the injection of the electrolyte is immediately stopped, the accurate control of the injection amount of the electrolyte is facilitated, and the injection efficiency of the electrolyte is improved.
Drawings
FIG. 1 is an isometric view of the present utility model;
FIG. 2 is a cross-sectional view of the in-place detection mechanism of the present utility model;
FIG. 3 is a second perspective view of the present utility model;
FIG. 4 is a second cross-sectional view of the in-place detecting mechanism of the present utility model.
In the figure: 1. an electrolyte barrel; 2. a material injection pipe; 3. a valve; 4. a liquid injection nozzle; 5. a work table; 6. an in-place detection mechanism; 61. a housing; 62. a feed hole; 63. a buoyancy ball; 64. a detection rod; 65. a column; 66. a sensor; 7. a turntable; 8. a lithium battery placement groove; 9. a through hole; 10. a lithium battery main body; 11. a liquid injection port; 12. a motor; 13. and (3) a cylinder.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a feed arrangement of lithium cell solvent, including electrolyte storage bucket 1 and workstation 5, the outer wall connection of electrolyte storage bucket 1 has notes material pipe 2, the discharge gate of notes material pipe 2 is connected with notes liquid mouth 4, the ejection of compact direction of notes liquid mouth 4 is perpendicular downwards, the outer wall cover of notes liquid mouth 4 is equipped with detection mechanism 6 in place, before filling electrolyte to lithium cell main part 10, can preset the quantity to lithium cell main part 10 the electrolyte that adds, when electrolyte filling is accomplished, when detection mechanism 6 sends the signal in place promptly, the quantitative filling is accomplished in the representation.
The rotary table 7 is rotatably arranged above the workbench 5, a plurality of groups of lithium battery main bodies 10 which are arranged in an annular array are clamped on the rotary table 7, the lithium battery main bodies 10 are provided with liquid injection ports 11, and the liquid injection ports 4 are positioned above the liquid injection ports 11, so that electrolyte can be conveniently filled into the lithium battery main bodies 10;
the in-place detection mechanism 6 comprises a shell 61 sleeved and fixed on the outer wall of the liquid injection nozzle 4, a buoyancy ball 63 is installed in the shell 61 in a lifting mode, the density of the buoyancy ball 63 is far smaller than that of electrolyte, a detection rod 64 is connected to the top of the buoyancy ball 63, a sensor 66 is installed on the inner top of the shell 61, optionally, the sensor 66 is set to be a touch sensor, the detection rod 64 is aligned with the sensor 66, and when the detection rod 64 contacts the sensor 66, the completion of electrolyte injection is indicated.
The bottom of the workbench 5 is fixedly provided with a motor 12, the motor 12 is a stepping motor, one end of an output shaft of the motor 12 is connected with the bottom of the turntable 7, and the motor 12 drives the turntable 7 to rotate.
The annular array on the turntable 7 is provided with a plurality of groups of lithium battery placing grooves 8, and a lithium battery main body 10 is arranged in the lithium battery placing grooves 8.
Through-hole 9 has been seted up to the bottom of lithium cell standing groove 8, and cylinder 13 is installed to the bottom of workstation 5, and the piston rod one end movable mounting of cylinder 13 is in the inside of through-hole 9, and the piston rod of cylinder 13 is connected with the push pedal, and when the piston rod of cylinder 13 stretched out, can promote lithium cell main part 10 and shift up.
And the electrolyte charging basket 1 is also provided with a controller, and the motor 12, the air cylinder 13 and the valve 3 are all connected with the controller.
The casing 61 is set to be annular casing, and the multiunit feed port 62 has been seted up to the bottom of casing 61, and buoyancy ball 63 is located the top of feed port 62, and electrolyte entering casing 61 is inside afterwards, and buoyancy ball 63 begins to reciprocate under the buoyancy effect to drive the detection pole 64 and reciprocate, until detection pole 64 contacts sensor 66, and transmits the signal to the controller, and controller drive valve 3 closes, stops filling electrolyte.
A plurality of groups of upright posts 65 penetrating through the buoyancy balls 63 are connected between the inner top and the inner bottom of the shell 61, and the buoyancy balls 63 are slidably mounted on the upright posts 65, so that the buoyancy balls 63 cannot rotate when ascending, namely, the vertical lifting of the detection rod 64 is ensured.
The injection pipe 2 is an L-shaped injection pipe, and the valve 3 is arranged on the injection pipe 2.
The depth of the lithium battery placing groove 8 is larger than the distance between the lithium battery main body 10 and the liquid injection nozzle 4, so that the lithium battery main body 10 is prevented from being separated from the lithium battery placing groove 8.
When the lithium battery storage device is used, a lithium battery main body 10 is placed in the lithium battery storage groove 8 in a manual or mechanical clamping mode, a motor 12 is started, the motor 12 drives a rotary table 7 to rotate, the lithium battery main body 10 moves to the position below a liquid injection nozzle 4, the liquid injection nozzle 4 is aligned with a liquid injection port 11 of the lithium battery main body 10, then an air cylinder 13 is started, the air cylinder 13 drives the lithium battery main body 10 to move upwards to a preset position, and the liquid injection port 11 is inserted into the liquid injection port 11;
then, the valve 3 on the filling pipe 2 is opened, the electrolyte in the electrolyte barrel 1 is sprayed into the lithium battery main body 10 from the filling nozzle 4 along the filling pipe 2, along with continuous filling of the electrolyte in the lithium battery main body 10, the liquid level of the electrolyte is continuously increased, after the electrolyte contacts the buoyancy ball 63, the buoyancy ball 63 starts to move upwards under the buoyancy action and drives the detection rod 64 to move upwards until the detection rod 64 contacts the sensor 66, signals are transmitted to the controller, the controller drives the valve 3 to be closed, the filling of the electrolyte is stopped, finally, the cylinder 13 drives the lithium battery main body 10 to descend to the initial position, drives the next lithium battery main body 10 to move to the position below the filling nozzle 4 through the motor 12, and the operation is repeated until the electrolyte is filled in all the lithium battery main bodies 10.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.