阅读说明：本技术 一种锂离子电池注液用的称量系统 (Weighing system for lithium ion battery liquid injection ) 是由 袁维 李月生 万克存 何凯 于 2021-10-26 设计创作，主要内容包括：本发明公开了一种锂离子电池注液用的称量系统,包括称量台、注液工位台,注液工位台整体内置于工台槽内,称量台顶面间隔开设有多个开口向上的工台槽,工台槽内设有用于带动注液工位台升降的升降机构,多个工台槽的同侧设有用于输送电池的升降电机,注液工位台通过升降机构顶升至升降电机同一水平高度,每个工台槽的一侧设有用于将注液工位台上电池推送至升降电机表面上的推送机构；本发明设置的称量系统,不仅可以对每一个电池注液称重前中后的各个环节进行精准称量动作,而且贴合电池注液工序环节,可以更加称量数据精密配合电池上下料以及补液动作。(The invention discloses a weighing system for lithium ion battery liquid injection, which comprises a weighing platform and a liquid injection station platform, wherein the liquid injection station platform is integrally arranged in a platform groove, a plurality of platform grooves with upward openings are formed in the top surface of the weighing platform at intervals, a lifting mechanism for driving the liquid injection station platform to lift is arranged in the platform groove, a lifting motor for conveying batteries is arranged at the same side of the plurality of platform grooves, the liquid injection station platform is lifted to the same horizontal height of the lifting motor through the lifting mechanism, and a pushing mechanism for pushing the batteries on the liquid injection station platform to the surface of the lifting motor is arranged at one side of each platform groove; the weighing system provided by the invention can accurately weigh each link before, during and after each battery liquid injection weighing, and can be attached to a battery liquid injection procedure link, so that the weighing data can be more accurately matched with the battery charging and discharging and liquid supplementing actions.)

1. A weighing system for lithium ion battery liquid injection comprises a weighing platform (1) for weighing batteries and injecting liquid, wherein a plurality of liquid injection station platforms (10) for placing batteries to be injected are arranged on the weighing platform (1), sensor components for detecting battery quality pressure data are arranged on the liquid injection station platforms (10), the weighing platform (1) is provided with a display unit and a controller for analyzing the sensor component data, the weighing system is characterized in that the liquid injection station platforms (10) are integrally arranged in a platform groove (11), a plurality of platform grooves (11) with upward openings are formed in the top surface of the weighing platform (1) at intervals, a lifting mechanism for driving the liquid injection station platforms (10) to lift is arranged in the platform groove (11), a lifting motor (3) for conveying the batteries is arranged on the same side of the platform grooves (11), and the platform stations (10) are lifted to the same horizontal height of the lifting motor (3) through the lifting mechanism, and a pushing mechanism used for pushing the battery on the liquid injection station table (10) to the surface of the lifting motor (3) is arranged on one side of each station groove (11), and the lifting mechanism and the pushing mechanism corresponding to each liquid injection station table (10) are controlled to act by the independent output end of the controller.

2. The lithium ion battery liquid injection weighing system according to claim 1, wherein the sensor assembly comprises a plurality of pressure sensors (2) arranged on the top surface of the liquid injection station platform (10), the pressure sensors (2) are uniformly distributed on the top surface of the liquid injection station platform (10) in multiple points, and data output ends of the pressure sensors (2) are electrically connected with an input end of a controller.

3. The weighing system for lithium ion battery liquid injection according to claim 1, wherein the lifting mechanism comprises support rods (35) for horizontally supporting the liquid injection station (10) at two sides of the bottom of the liquid injection station (10), the bottoms of the support rods (35) are vertically fixed on limit plates (33), the limit plates (33) are fixed at two sides of a screw hole block (31), the screw hole block (31) is sleeved on a screw rod (30) in a threaded manner, the top of the screw hole block (31) is rotationally fixed on the bottom surface of a beam plate (32), the beam plate (32) is fixed between the inner walls at two sides of the station groove (11), the bottom of the screw rod (30) is fixedly connected with a motor shaft of a lifting motor (3), the lifting motor (3) is installed at the bottom surface of the weighing platform (1), the control end of the lifting motor (3) is electrically connected with the output end of a controller, embedded limit chutes (12) are vertically formed at two sides of the inner wall of the station groove (11), a limiting sliding block (34) is vertically clamped in the limiting sliding groove (12) in a sliding mode, and the outer end head of the threaded hole block (31) is fixed on the outer side wall of the limiting sliding block (34).

4. The weighing system for lithium ion battery electrolyte injection according to claim 1, wherein the pushing mechanism comprises a cylinder (4) and a push plate (41), a push rod (40) is fixed at a telescopic end of the cylinder (4), the push plate (41) is vertically fixed at an outer end of the push rod (40), the push plate (41) is located on one side of an opening of the worktable groove (11), and a control end of the cylinder (4) is electrically connected with an output end of the controller.

5. The weighing system for lithium ion battery liquid injection according to claim 1, wherein a pushing mechanism for pushing the battery on the lifting motor (3) to the liquid injection station table (10) is arranged on one side of the lifting motor (3).

6. The lithium ion battery liquid injection weighing system according to any one of claims 1 to 5, wherein a signal reminding component is arranged at each liquid injection station (10) of the weighing platform (1), and a control end of the signal reminding component is electrically connected with an output end of the controller.

7. The weighing system for lithium ion battery liquid injection according to claim 6, wherein the signal reminding component comprises one or more combinations of a buzzer, an alarm lamp and an LED lamp.

Technical Field

The invention particularly relates to the field of battery liquid injection weighing, and particularly relates to a weighing system for lithium ion battery liquid injection.

Background

The liquid injection operation needs to be carried out on the interior of the battery in the production process of the lithium ion battery, liquid injection weighing needs to be carried out in the liquid injection process, namely, the weight of the battery before and after liquid injection is weighed, whether the liquid injection amount of the battery reaches the standard or not is detected, whether liquid supplementing operation needs to be carried out or not is an important ring in the liquid injection process, the weighing data of each electronic scale is manually recorded by a liquid injection machine in the past, then the liquid injection machine is manually sleeved into a formula to calculate whether the liquid injection is qualified or not, and the operation is very inconvenient.

The weighing system who appears a lot of electrified sub-weighings on the existing market, the battery carries out whole weighing on general monoblock station board, can't pinpoint specifically which concrete station battery annotates liquid unqualifiedly, the manual work is looked for very inconveniently, and the detection of weighing around realizing, but weighing system or device can't carry out the precision with the process around the battery notes liquid and combine, very influence assembly line production rhythm, and the battery of not co-altitude size, annotate liquid mouth height difference, annotate liquid equipment and annotate under the high certain circumstances of liquid head, adjust very inconveniently on the one hand, on the other hand, it inserts the liquid mouth degree of depth or the not accurate very easy accurate nature that influences the notes liquid process in position to annotate the liquid head.

Therefore, in response to such problems, a weighing system for charging a lithium ion battery is needed.

Disclosure of Invention

The invention aims to provide a weighing system for lithium ion battery liquid injection, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a weighing system for lithium ion battery liquid injection comprises a weighing platform for weighing and injecting batteries, wherein a plurality of liquid injection station platforms for placing batteries to be injected are arranged on the weighing platform, sensor components for detecting battery quality pressure data are arranged on the liquid injection station platforms, the weighing platform is provided with a display unit and a controller for analyzing the data of the sensor components, the liquid injection station platforms are integrally arranged in a platform groove, a plurality of platform grooves with upward openings are arranged on the top surface of the weighing platform at intervals, a lifting mechanism for driving the liquid injection station platforms to lift is arranged in the platform grooves, a lifting motor for conveying the batteries is arranged on the same side of the platform grooves, the liquid injection station platforms are lifted to the same horizontal height of the lifting motor through the lifting mechanism, a pushing mechanism for pushing the batteries on the liquid injection station platforms to the surface of the lifting motor is arranged on one side of each platform groove, and the lifting mechanism and the pushing mechanism corresponding to each liquid injection station platform are controlled by the independent output end of the controller to act.

Further scheme: the sensor assembly comprises a plurality of pressure sensors arranged on the top surface of the liquid injection station table, the pressure sensors are uniformly distributed on the top surface of the liquid injection station table at multiple points, and the data output ends of the pressure sensors are electrically connected with the input end of the controller.

Further scheme: elevating system is including annotating the bracing piece that liquid station platform level supported in liquid station platform bottom both sides, the bracing piece bottom is vertical to be fixed on the limiting plate, the limiting plate is fixed in screw piece both sides, and screw piece thread bush is established on the lead screw, and screw piece top is rotated and is fixed in the beam slab bottom surface, and the beam slab is fixed between worker's platform groove both sides inner wall, and the lead screw bottom links to each other with elevator motor's motor shaft is fixed, and elevator motor installs the bottom surface at weighing platform, and elevator motor's control end links to each other with the output of controller electricity, the vertical spacing spout of having seted up of the inner wall both sides in worker's platform groove, vertical slip card is equipped with spacing slider in the spacing spout, the outer end of screw piece is fixed on spacing slider's lateral wall.

Further scheme: the pushing mechanism comprises an air cylinder and a push plate, a push rod is fixed to the telescopic end of the air cylinder, a push plate is vertically fixed to the outer end of the push rod, the push plate is located on one side of an opening of the work table groove, and the control end of the air cylinder is electrically connected with the output end of the controller.

Further scheme: one side of the lifting motor is provided with a pushing mechanism used for pushing the battery on the lifting motor to the liquid injection station platform.

Further scheme: and each liquid injection station platform of the weighing platform is provided with a signal reminding assembly, and the control end of the signal reminding assembly is electrically connected with the output end of the controller.

Further scheme: the signal reminding component comprises one or more combinations of a buzzer, an alarm lamp and an LED lamp.

Compared with the prior art, the invention has the beneficial effects that: the weighing system provided by the invention can accurately weigh each link before, during and after each battery liquid injection weighing, and is attached to the battery liquid injection procedure link, so that the weighing data can be more accurately matched with the battery charging and discharging and liquid supplementing actions, the weighing system is suitable for the liquid injection process of various batteries with different sizes, and the liquid injection weighing process of the batteries is greatly improved.

Drawings

Fig. 1 is a schematic structural diagram of a weighing system for lithium ion battery liquid injection.

Fig. 2 is a plan view of a weighing system for lithium ion battery charging.

FIG. 3 is a left side sectional view showing a state of weighing a qualified battery and a state of weighing an unqualified battery in the weighing system for charging the lithium ion battery.

FIG. 4 is a plan view showing the state of a battery that is qualified and unqualified during discharge in the weighing system for charging a lithium ion battery.

In the figure: weighing platform 1, liquid injection station platform 10, station groove 11, limiting sliding groove 12, guide plate 13, pressure sensor 2, lifting motor 3, screw rod 30, screw block 31, beam plate 32, limiting plate 33, limiting slide block 34, support rod 35, cylinder 4, push rod 40 and push plate 41.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 4, in the embodiment of the present invention, a weighing system for lithium ion battery liquid injection includes a weighing platform 1 for weighing and injecting a battery, a plurality of liquid injection station platforms 10 for placing a battery to be injected are disposed on the weighing platform 1, a sensor assembly for detecting battery quality pressure data is disposed on the liquid injection station platforms 10, the weighing platform 1 is equipped with a display unit and a controller for analyzing data of the sensor assembly, the liquid injection station platforms 10 are integrally disposed in a platform groove 11, a plurality of platform grooves 11 with upward openings are disposed at intervals on a top surface of the weighing platform 1, a lifting mechanism for driving the liquid injection station platforms 10 to lift is disposed in the platform groove 11, a lifting motor 3 for conveying the battery is disposed on the same side of the platform grooves 11, the liquid injection station platforms 10 are lifted to the same horizontal height of the lifting motor 3 by the lifting mechanism, and a pushing mechanism used for pushing the battery on the liquid injection station table 10 to the surface of the lifting motor 3 is arranged on one side of each station groove 11, and the lifting mechanism and the pushing mechanism corresponding to each liquid injection station table 10 are controlled to act by the independent output end of the controller.

The sensor assembly comprises a plurality of pressure sensors 2 arranged on the top surface of a liquid injection station platform 10, the pressure sensors 2 are uniformly distributed on the top surface of the liquid injection station platform 10 in multiple points, the data output ends of the pressure sensors 2 are electrically connected with the input end of a controller, the arranged pressure sensors 2 can transmit the real-time weight of a battery on the liquid injection station platform 10 to the controller, the controller can obtain the weight of the battery before and after liquid injection according to the data of the pressure sensors 2 so as to determine whether liquid supplement action is needed or not, further control a corresponding lifting mechanism or a pushing mechanism to perform corresponding action, when the liquid injection amount reaches the standard, the lifting mechanism lifts the liquid injection station platform 10 to the same horizontal height of a lifting motor 3, the pushing mechanism pushes the battery onto the lifting motor 3 from the liquid injection station platform 10 to finish the liquid injection conveying action of the battery, and when the liquid injection amount does not reach the standard, the lifting mechanism and the pushing mechanism which correspond to the battery which does not reach the standard do not act, and the battery is positioned at the station to wait for liquid replenishing action.

The lifting mechanism comprises supporting rods 35 which horizontally support the liquid injection station table 10 on two sides of the bottom of the liquid injection station table 10, the bottom of each supporting rod 35 is vertically fixed on a limiting plate 33, the limiting plates 33 are fixed on two sides of a screw hole block 31, the screw hole block 31 is sleeved on a screw rod 30 in a threaded manner, the top of the screw hole block 31 is rotationally fixed on the bottom surface of a beam plate 32, the beam plate 32 is fixed between the inner walls of two sides of a station groove 11, the bottom of the screw rod 30 is fixedly connected with a motor shaft of a lifting motor 3, the lifting motor 3 is installed on the bottom surface of the weighing platform 1, a control end of the lifting motor 3 is electrically connected with an output end of a controller, embedded limiting sliding grooves 12 are vertically arranged on two sides of the inner wall of the station groove 11, a limiting slide block 34 is vertically clamped in the limiting sliding grooves 12, an outer end of the screw hole block 31 is fixed on the outer side wall of the limiting slide block 34, and when the lifting motor 3 is controlled by the controller to rotate forwards and reversely, screw hole piece 31 can slide from top to bottom along lead screw 30 under the limiting displacement of both sides limiting plate 33, then limiting plate 33 can drive through bracing piece 35 and annotate liquid station platform 10 up-and-down motion, thereby realize annotating the elevating movement of liquid station platform 10, wherein elevating system not only limits in and pushes out the battery jacking to elevator motor 3's height, to the battery of co-altitude not, elevating system is not adjusting under the condition that outside priming device annotates liquid head height, liquid mouth high position is annotated to automatically regulated battery, thereby be convenient for all kinds of batteries annotate the process of liquid and weighing.

The pushing mechanism comprises an air cylinder 4 and a push plate 41, a push rod 40 is fixed at the telescopic end of the air cylinder 4, a push plate 41 is vertically fixed at the outer end of the push rod 40, the push plate 41 is located on one side of the opening of the worktable groove 11, the control end of the air cylinder 4 is electrically connected with the output end of the controller, the arranged air cylinder 4 controls to act through the controller, and the action of pushing out the battery with the symmetrical coincident grid liquid injection completion is completed.

The both sides of worker's platform groove 11 set up the spacing spout 12 that prevents that the battery from empting at the propelling movement in-process, and spacing spout 12 sets up the direction and is parallel with push pedal 41 direction of motion, and the spacing spout 12 of setting mainly makes things convenient for the propelling movement that the battery is firm to elevator motor 3 on the surface.

The working principle of the invention is as follows: when the device works, firstly, the height of a liquid injection port of the battery is adjusted according to the size of the battery, then the battery without liquid injection is placed on the liquid injection station platform 10, the battery is weighed for the first time, the controller records data and displays the data on the display unit, the external liquid injection device acts to complete liquid injection action, the secondary weight of the battery is recorded at the moment, the accurate liquid injection amount of the battery on each liquid injection station platform 10 is calculated through the controller, each liquid injection amount is compared with a standard value, the battery in an error range is discharged, namely, the lifting mechanism rises to the height of the lifting motor 3, the pushing mechanism pushes the battery onto the lifting motor 3 to discharge, the liquid injection station platform 10 which does not complete liquid injection amount does not act to wait for the next liquid injection action, therefore, the weighing system provided by the invention not only can accurately weigh each link before, during and after each battery liquid injection weighing, but also can be attached to the battery liquid injection process links, the battery liquid filling device has the advantages that the battery liquid filling device can weigh data more, precisely cooperate with battery feeding and discharging and liquid supplementing actions, is suitable for battery liquid filling processes with different sizes, and greatly improves the battery liquid filling and weighing processes.

Example 2

This example differs from example 1 in that:

one side of lifting motor 3 is equipped with the push mechanism that is used for with battery propelling movement to annotating liquid station platform 10 on lifting motor 3, sets up push mechanism in lifting motor 3 one side and can make things convenient for the loading process of annotating the liquid battery not to accomplish battery notes liquid pan feeding and battery notes and accomplish all actions of the ejection of compact.

Every liquid station platform 10 department of annotating of weighing platform 1 all is provided with the signal and reminds the subassembly, and the control end that the subassembly was reminded to the signal links to each other with the output of controller electricity, and the signal that sets up reminds the subassembly mainly used suggestion weighing link to have the product information of huge error, the personnel's of being convenient for manual monitoring and quick location.

The signal reminding component comprises one or more combinations of a buzzer, an alarm lamp and an LED lamp.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.