CN210965707U

CN210965707U - Loading attachment that lithium cell assembly used

Info

Publication number: CN210965707U
Application number: CN201921552015.3U
Authority: CN
Inventors: 许海龙
Original assignee: Chongqing Nalsu Electronic Technology Co ltd
Current assignee: Chongqing Nalsu Electronic Technology Co ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-07-10
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a loading attachment that lithium cell assembly used, including thick liquids pond, supporting seat, warming mill and P L C, supporting seat bottom upper surface one side is through welding fixedly connected with thick liquids pond, be connected with the coating roller through bearing rotation directly over the corresponding thick liquids pond central authorities of supporting seat both sides inner wall, the utility model discloses a preceding scraper blade, coating roller and the scraper that set up have realized when carrying out the coating process, strike off thick liquids for the first time through preceding scraper blade, prevent near scraper to gather too many thick liquids and cause mass flow body surface thick liquids thickness inequality, through warming mill, electric rod and the heat conduction shell that sets up, realized heating the heat conduction shell through the electric rod after the mass flow body carries out the coating and accomplishes for the mass flow body through heat conduction shell top is heated evenly when being supported, prevents that the thick liquids on the mass flow body surface from causing the stoving later surface thick liquids thickness inequality to middle flow.

Description

Loading attachment that lithium cell assembly used

Technical Field

The utility model relates to a lithium cell assembly technical field specifically is a loading attachment for lithium cell assembly.

Background

Lithium batteries, which are batteries using a non-aqueous electrolyte solution and using lithium metal or lithium alloy as a negative electrode material, generally have two shapes: cylindrical and square. The battery is internally in a spiral winding structure and is formed by spacing a polyethylene film isolating material which is very fine and has strong permeability between a positive electrode and a negative electrode. The positive electrode comprises a current collector consisting of lithium cobaltate (or nickel cobalt lithium manganate, lithium iron phosphate and the like) and an aluminum foil, the negative electrode consists of a current collector consisting of a graphitized carbon material and a copper foil, an organic electrolyte solution is filled in the battery, and in addition, a safety valve and a PTC element (part of cylindrical use) are also arranged so as to protect the battery from being damaged in abnormal states and output short circuits.

However, the conventional feeding device for lithium battery assembly has some disadvantages in the using process, such as:

1. the existing lithium battery lamination assembly needs to continuously and uniformly coat stirred anode slurry or cathode slurry on the surface of a transmission current collector during a coating process, the transfer amount of the slurry is adjusted by utilizing the gap between a scraper and a coating roller during coating, but the slurry has viscosity, and the slurry is too much collected and is often bonded on the scraper when passing through the scraper, so that the surface of the current collector is unevenly coated.

2. When the existing lithium battery lamination is assembled, after a coating process is carried out, a current collector coated with slurry needs to be dried, a drying furnace is often used in the drying process, the uneven temperature in the drying furnace easily causes different drying speeds of the slurry on the surface of the current collector, the thickness of the middle of the slurry is high, and the thicknesses of two sides of the slurry are low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a loading attachment for lithium cell assembly to solve the problem that proposes among the above-mentioned background art.

In order to achieve the purpose, the utility model provides a loading attachment for lithium battery assembly, including thick liquids pond, supporting seat, warming mill and P L C, there is the thick liquids pond bottom upper surface one side through welding fixedly connected with, thick liquids conveyer pipe has been placed to thick liquids pond top one side, thick liquids conveyer pipe correspondence is close to thick liquids pond one end and is passed through coupling fixedly connected with solenoid valve, be connected with the coating roller through the bearing rotation directly over the corresponding thick liquids pond central authorities of supporting seat both sides inner wall, correspond the coating roller top on the supporting seat both sides inner wall, pass through nut fixedly connected with scraper between the lifting groove, thick liquids conveyer pipe one side is kept away from in supporting seat both sides inner wall correspondence and is connected with the turn to the roller through the bearing rotation, the winding has the mass flow between turn to the roller and the coating roller, the supporting seat both sides inner wall corresponds the mass flow body oblique top through bolt fixedly connected with preceding scraper blade, the corresponding mass flow of coating roller one end below of supporting seat both sides inner wall is connected with the warming mill through the bearing rotation and is connected with the warming mill, the warming mill outer wall has the fire prevention heat insulating board through the fixed connection of heat insulating board, the heat-insulating board outer wall is connected with the electrical signal sensor output terminal through the electrical signal input terminal of electrical signal sensor, electrical signal input terminal of electrical signal sensor and electrical signal input terminal of electrical signal input terminal 3632C, electrical signal sensor electrical signal input terminal electrical connection 3632C, electrical connection with electrical signal sensor electrical signal input terminal.

Furthermore, the working height of the liquid level sensor is parallel to the bottom of the coating roller, and the liquid level sensor is used for coating and dyeing one surface of the current collector only by slurry and preventing the slurry from polluting the other surface of the current collector too high.

Furthermore, the coating roller correspondingly extends out of one end of the side face of the supporting seat and is fixedly connected with a speed reducing motor through a coupler.

Furthermore, the heating roller is a power roller way and is used for driving the current collector to transmit.

Furthermore, four electric heating rods are connected to the fireproof heat insulation plate on the outer side of each heating roller, and are evenly distributed on the fireproof heat insulation plate in a certain degree and used for heating evenly.

Furthermore, the bottom of the front scraper is in a sawtooth shape, the vertical distance from the front scraper to a current collector is greater than the maximum thickness of a coating by 0.5-1mm, and the front scraper is used for scraping redundant slurry in advance while ensuring the thickness of the slurry coating and preventing the slurry from gathering near a scraper.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a preceding scraper blade, scribble roller and scraper that set up have realized when carrying out the coating process, drive the thick liquids contact in mass flow body lower surface and the thick liquids pond through scribbling the roller, strike off thick liquids for the first time through preceding scraper blade for the thick liquids through the scraper are slightly higher with final shaping thick liquids thickness, prevent near scraper to gather too many thick liquids and cause mass flow body surface thick liquids thickness inequality.

2. The utility model discloses a warming mill, electrical bar and the heat conduction shell that set up have realized heating the heat conduction shell through the electrical bar after the mass flow body carries out the coating completion for the mass flow body through heat conduction shell top is heated evenly when being supported by the heat conduction shell, prevents that the thick liquids on mass flow body surface from flowing to the centre and causing surface thick liquids thickness after drying uneven.

Drawings

FIG. 1 is a schematic sectional view of the overall front view structure of the present invention;

FIG. 2 is a schematic sectional view of the overall left-side view structure of the present invention;

FIG. 3 is a schematic view of the overall top view structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 5 is a schematic view of the electronic component connection control system of the present invention.

In the figures 1-5, 1-a slurry pool, 2-a slurry conveying pipe, 3-an electromagnetic valve, 4-a front scraper, 5-a lifting groove, 6-a scraper, 7-a coating roller, 8-a current collector, 9-a steering roller, 10-a supporting seat, 11-a liquid level sensor, 12-a heat-conducting shell, 13-a fireproof heat-insulating plate, 14-an electric heating rod, 15-a heating roller, 16-a temperature sensor and 17-P L C.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-5, the utility model provides a technical scheme, a loading attachment for lithium battery assembly, including slurry pool 1, a supporting seat 10, a heating roller 15 and a P L C17, the P L C17 model is S7-200, support seat 10 bottom upper surface one side is through welding fixedly connected with slurry pool 1, be used for holding thick liquids, slurry conveying pipe 2 has been placed to one side above slurry pool 1, slurry conveying pipe 2 corresponds near slurry pool 1 one end through coupling fixedly connected with solenoid valve 3, be used for replenishing the thick liquids at any time, the inner wall of supporting seat 10 both sides corresponds directly over slurry pool 1 central authorities and is connected with scribbling roller 7 through the bearing rotation, be used for driving the thick liquids contact of mass flow 8 in slurry pool 1, the lifting groove 5 has been seted up to corresponding scribbling roller 7 on the inner wall of supporting seat 10 both sides, be used for adjusting the height of scribbling scraper 6, through nut fixedly connected with scribbling scraper 6 between the lifting groove 5, be used for controlling the thickness of thick liquids coating, the thick liquids, the inner wall of thick liquids is kept away from slurry 2 one side of slurry and is connected with there is connected with change the heating roller conveying pipe 9 through the bearing rotation, be used for preventing the heating roller, make the fixed signal input end of the heating roller 7, the heat-insulated board 2, the heat-insulated wire is connected with the heat-insulated wire, the heat-insulated.

Liquid level sensor 11 operating height and scribble 7 bottom parallel and level of roller for thick liquids only scribble and dye the mass flow body 8 one side, prevent that thick liquids liquid level from too high pollution mass flow body 8 another side, scribble roller 7 and correspond to stretch out supporting seat 10 side one end and pass through shaft coupling fixedly connected with gear motor, warming mill 15 is the power roll table, be used for driving mass flow body 8 transmission, be connected with four electric heat bars 14 on the fire prevention heat insulating board 13 in every warming mill 15 outside, and be 90 degrees and evenly arrange on fire prevention heat insulating board 13, be used for heating evenly, preceding scraper blade 4 bottom is the cockscomb structure, preceding scraper blade 4 is greater than the biggest thickness of coating 0.5-1mm apart from the perpendicular distance of mass flow body 8, strike off unnecessary thick liquids in advance through preceding scraper blade 4 when being used for guaranteeing thick.

The working principle is that when the coating device is used, the lower surface of a current collector 8 is driven to be in contact with slurry in a slurry pool 1 through a turning roll 9 and a coating roll 7 during a coating process, the slurry of a front scraper 4 is scraped for the first time when passing through the front scraper 4, so that the thickness of the slurry passing through a scraper 6 is slightly higher than that of the finally-formed slurry, the problem that too much slurry is accumulated near the scraper to cause uneven thickness of the slurry on the surface of the current collector is solved, meanwhile, the electromagnetic valve 3 is controlled to be opened and closed through a P L C17 and a liquid level sensor 11, so that the slurry is conveniently replenished into the slurry pool 1 through a slurry conveying pipe 2 at any time, the situation that the slurry is adhered to one surface of the current collector 8 is prevented from overflowing the current collector 8 to pollute the other surface is ensured, after the current collector is coated, the heat conduction shell 12 is heated through a P L C17 and a temperature sensor 16, so that the current collector 8 above the current collector 12 is supported by the heat conduction shell 12 and is heated uniformly.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a loading attachment that lithium cell assembly used, includes thick liquids pond (1), supporting seat (10), warming mill (15) and P L C (17), supporting seat (10) bottom upper surface one side is through welding fixedly connected with thick liquids pond (1), its characterized in that thick liquids conveyer pipe (2) have been placed to thick liquids pond (1) top one side, thick liquids conveyer pipe (2) correspond and are close to thick liquids pond (1) one end through coupling fixedly connected with solenoid valve (3), supporting seat (10) both sides inner wall corresponds thick liquids pond (1) central directly over be connected with through the bearing rotation and scribble roller (7), correspond on supporting seat (10) both sides inner wall and scribble roller (7) top and seted up lifting groove (5), through nut fixedly connected with scraper (6) between lifting groove (5), supporting seat (10) both sides inner wall correspondence is kept away from thick liquids conveyer pipe (2) one side and is connected with turn to roller (9) through the bearing rotation, turn to current collector (9) between turn to roll (9) and scribble roller (7) and have twined and have winding current collector (8), it is connected with heat conduction signal sensor output terminal (16) through heat conduction signal input terminal (13) and heat conduction signal input terminal (13) fixed connection of heating mill (16) heat conduction signal input terminal (13) and heat conduction signal input terminal (13) fixed by the heating roll (13) the fixed connection of the heating roll (13) outer wall (13) the fixed connection of the heating roll (13) the heat conduction signal input terminal (13), the fixed signal input terminal (13) the heat conduction signal input terminal (13) is connected with the heat conduction signal input terminal (13) the heat conduction signal input terminal (16), the heating roll (13) the heat conduction signal input terminal (13) is connected with the fixed on one side of the heating roll, the heating.

2. The loading device for assembling the lithium battery as claimed in claim 1, wherein: the working height of the liquid level sensor (11) is flush with the bottom of the coating roller (7).

3. The loading device for assembling the lithium battery as claimed in claim 1, wherein: the coating roller (7) is correspondingly extended out of one end of the side surface of the supporting seat (10) and is fixedly connected with a speed reducing motor through a coupler.

4. The loading device for assembling the lithium battery as claimed in claim 1, wherein: the heating roller (15) is a dynamic roller way.

5. The loading device for assembling the lithium battery as claimed in claim 1, wherein: four electric heating rods (14) are connected to the fireproof heat insulation plate (13) on the outer side of each heating roller (15), and are uniformly distributed on the fireproof heat insulation plate (13) at 90 degrees.

6. The loading device for assembling the lithium battery as claimed in claim 1, wherein: the bottom of the front scraper (4) is in a sawtooth shape, and the vertical distance between the front scraper (4) and the current collector (8) is greater than the maximum thickness of the coating by 0.5-1 mm.