CN218133031U

CN218133031U - Lithium battery coating pole piece drying device

Info

Publication number: CN218133031U
Application number: CN202222008616.6U
Authority: CN
Inventors: 彭舜; 何雷雷; 王怀林; 陈泽民
Original assignee: Phoenix Haoran Technology Co ltd
Current assignee: Phoenix Haoran Technology Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2022-12-27
Anticipated expiration: 2032-08-01

Abstract

The utility model discloses a lithium battery coating pole piece drying device, which comprises a drying box body, a feed inlet and a discharge outlet which are arranged at two sides of the drying box body, wherein a feed roller is arranged in the drying box body, a pole piece is flatly laid on the feed roller, the front surface of the drying box body is hermetically assembled with a box door, and a plurality of drying mechanisms are respectively arranged at the positions of the upper end and the lower end of the feed roller in the drying box body and are used for drying the upper end surface and the lower end surface of the pole piece; the drying mechanism comprises a fixing seat, a transverse plate, a connecting plate and a drying lamp, the fixing seat is arranged inside the drying box body, the transverse plate is arranged in the direction perpendicular to the conveying direction of the pole pieces and is connected with the fixing seat, the connecting plate is connected with a driving device arranged on the transverse plate in a transmission mode, and the drying lamp is assembled on the connecting plate. The utility model discloses the stoving lamp shines the heating with the height of different positions to the pole piece and forms and dry step by step, and bubble, pinhole, the cracked problem appear after solving the pole piece and drying, reduce the rejection rate of battery pole piece.

Description

Lithium battery coating pole piece drying device

Technical Field

The utility model relates to a lithium cell production technical field, concretely relates to lithium cell coating pole piece drying device.

Background

The lithium battery has the advantages of high voltage, high specific energy, more recycling times, long storage time and the like, and is widely applied to large and medium-sized electric equipment such as electric automobiles, electric bicycles, electric tools and the like, so that the requirements on the performance and the cost of the lithium battery are higher and higher. The battery pole piece is the important component of lithium cell, be one of the core assembly of lithium cell, in battery pole piece production process, need first behind the active material of coating on the substrate, thereby pass drying device with the substrate again and carry out the drying and form the pole piece, it is heating drying in the drying box to heat behind the battery pole piece coating usually, but the stoving lamp position in the current drying box is fixed, the stoving lamp shines the heating from the feeding to the ejection of compact and is in same high position to the pole piece, lead to the pole piece bubble to appear easily, the pinhole, the scheduling problem of splits, lead to the rejection rate of battery pole piece to increase.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main objective aims at solving the technical problem that the above-mentioned exists to a certain extent, provides a lithium cell coating pole piece drying device.

The utility model discloses the above-mentioned problem that will solve is in order to realize through following technical scheme:

the drying device comprises a drying box body, a feeding hole and a discharging hole, wherein the feeding hole and the discharging hole are formed in two sides of the drying box body, a feeding roller is arranged in the drying box body, a pole piece is flatly laid on the feeding roller so as to be conveyed from the feeding hole to the discharging hole, the front surface of the drying box body is hermetically provided with a box door, and a plurality of drying mechanisms are respectively arranged at the positions, located at the upper end and the lower end of the feeding roller, in the drying box body and used for drying the upper end face and the lower end face of the pole piece; the drying mechanism comprises a fixed seat, a transverse plate, a connecting plate and a drying lamp, the fixed seat is arranged in the drying box body, the transverse plate is arranged on the fixed seat in a direction perpendicular to the conveying direction of the pole pieces, the connecting plate is in transmission connection with a driving device arranged on the transverse plate, and the drying lamp is assembled on the connecting plate and moves up and down along with the connecting plate; the height of the drying lamp from the pole piece is gradually increased from the feed inlet to the discharge outlet to form step-by-step drying by adjusting the position of the connecting plate.

Preferably, a guide rod is arranged between the transverse plate and the connecting plate, one end of the guide rod is fixedly connected with the transverse plate, and the other end of the guide rod penetrates through the connecting plate.

Preferably, the fixing seat and the transverse plate are perpendicular to each other, assembled and connected, and a reinforcing rib is arranged between the fixing seat and the transverse plate.

Preferably, the driving device adopts a lifting cylinder, the driving device is assembled on the transverse plate through bolts, and a positioning groove is formed in the position, where the driving device is assembled, of the transverse plate.

Preferably, the connecting plate includes link and assembly end, the link with drive arrangement's output shaft fixed connection, the assembly end is located one side that drive arrangement was kept away from to the link and is formed the T type, the both sides extension of assembly end is equipped with the fixture block, the stoving lamp spanes the pole piece setting, and its both ends detachably assembles on the fixture block.

Compared with the prior art, the technical scheme provided by the application has the following advantages:

inside both ends are equipped with stoving mechanism about being located the feed roll respectively of stoving box, the upper and lower both ends of the pole piece of carrying on the feed roll of stoving mechanism carry out drying process, the stoving lamp spanes the feed roll assembly on the connecting plate simultaneously, the connecting plate is connected with the drive arrangement transmission that sets up on the diaphragm, drive the lift removal of stoving lamp when driving the connecting plate lift removal through drive arrangement, thereby can adjust the altitude distance of the relative pole piece of stoving lamp according to the position of drying, make the height of stoving lamp apart from the pole piece increase from feed inlet to discharge gate gradually, shine the heating formation to the pole piece with the height of different positions and dry step by step, the bubble appears after solving the pole piece and drying, the pinhole, cracked problem, reduce the rejection rate of battery pole piece.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a structural diagram of a drying device for coating pole pieces of a lithium battery of the present invention;

FIG. 2 is a structural diagram of the drying mechanism of the present invention;

fig. 3 is a structural diagram of the drying mechanism of the present invention.

The reference numbers illustrate:

1-drying the box body; 2-a feed inlet; 3-discharging port; 4-a feed roll; 5-a box door; 6-a drying mechanism; 7-a fixed seat; 8-a transverse plate; 9-a connecting plate; 901-a connection end; 902-a mounting end; 903-a fixture block; 904-weight loss void; 10-a drying lamp; 11-reinforcing ribs; 12-a drive device; 13-guide bar.

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 of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear \8230;) are involved in the embodiments of the present invention, the directional indications are only used to explain the relative positional relationship between the components in a specific posture, the motion situation, etc., and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, if the meaning of "and/or" and/or "appears throughout, the meaning includes three parallel schemes, for example," A and/or B "includes scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a drying device for coating pole pieces on lithium batteries, which comprises a drying box body 1, a feeding port 2 and a discharging port 3, wherein the feeding port 2 and the discharging port 3 are arranged at two sides of the drying box body 1, a feeding roller 4 is arranged in the drying box body 1, the pole pieces are flatly laid on the feeding roller 4 so as to be conveyed from the feeding port 2 to the discharging port 3, the front side of the drying box body 1 is hermetically assembled with a box door 5, and a plurality of drying mechanisms 6 are respectively arranged at the upper end and the lower end of the feeding roller 4 in the drying box body 1 for drying the upper end face and the lower end face of the pole piece; the drying mechanism 6 comprises a fixed seat 7, a transverse plate 8, a connecting plate 9 and a drying lamp 10, the fixed seat 7 is arranged inside the drying box body 1, the transverse plate 8 is arranged on the fixed seat 7 in a direction perpendicular to the pole piece conveying direction, the fixed seat 7 and the transverse plate 8 are mutually perpendicular and assembled and connected, a reinforcing rib 11 is arranged between the fixed seat 7 and the transverse plate 8, and the mounting strength of the fixed seat 7 and the transverse plate 8 is improved through the reinforcing rib 11; the connecting plate 9 is in transmission connection with a driving device 12 arranged on the transverse plate 8, and the drying lamp 10 is assembled on the connecting plate 9 and moves up and down along with the connecting plate 9; the height of the drying lamp 10 from the pole piece is gradually increased from the feed inlet 2 to the discharge outlet 3 by adjusting the position of the connecting plate 9 so as to form step-by-step drying.

In the embodiment, the pole pieces after being brushed enter the drying box body 1 from the feeding hole 2, the pole pieces are conveyed by the feeding roller 4, the drying mechanisms 6 are respectively arranged at the upper end and the lower end of the feeding roller 4 in the drying box body 1, the box door 5 is arranged right opposite to the drying mechanisms 6, and the drying mechanisms 6 can be conveniently maintained by opening the box door 5; drying mechanism 6 carries out drying process to the upper and lower both ends of the pole piece of carrying on feed roller 4, stoving lamp 10 spanes feed roller 4 and assembles on connecting plate 9 simultaneously, connecting plate 9 is connected with the drive arrangement 12 transmission that sets up on the diaphragm 8, drive stoving lamp 10 lift movement when driving connecting plate 9 lift movement through drive arrangement 12, thereby can adjust the height distance of the relative pole piece of stoving lamp 10 according to the position of drying, make the height of stoving lamp 10 apart from the pole piece increase from feed inlet 2 to discharge gate 3 gradually, shine the heating formation with the height of different positions to the pole piece and dry step by step, the bubble appears after solving the pole piece and drying, the pinhole, cracked problem, reduce the rejection rate of battery pole piece.

It is worth to explain that this embodiment driving device 12 adopts a lifting cylinder, and may also adopt a lifting motor, and aims to drive connecting plate 9 to move up and down, driving device 12 is assembled on horizontal plate 8 by bolts, a positioning groove convenient for positioning and assembling driving device 12 is provided on horizontal plate 8, driving device 12 is fixedly installed in the positioning groove, and a soft rubber pad filling a gap between driving device 12 and the positioning groove is placed in the positioning groove.

Wherein, diaphragm 8 with be equipped with guide bar 13 between the connecting plate 9, guide bar 13 one end with diaphragm 8 fixed connection, guide bar 13's the other end passes connecting plate 9 sets up.

In this embodiment, diaphragm 8 and connecting plate 9 are connected to guide bar 13, and connecting plate 9 moves along guide bar 13 when going up and down to play the effect that the direction goes up and down, avoid connecting plate 9 to rotate when going up and down, can be equipped with the locating part at the tip that guide bar 13 passed one side of connecting plate 9 simultaneously, avoid connecting plate 9 to drop.

The connecting plate 9 comprises a connecting end 901 and an assembling end 902, the connecting end 901 is fixedly connected with an output shaft of the driving device 12, the assembling end 902 is arranged on one side of the connecting end 901, which is far away from the driving device 12, and forms a T shape, two sides of the assembling end 902 are extended to be provided with a clamping block 903, a clamping groove is arranged on the clamping block 903, two ends of the drying lamp 10 are hooked in the clamping groove, so that the drying lamp 10 is detachably assembled on the clamping block 903, meanwhile, the assembling end 902 is provided with a plurality of weight reducing empty grooves 904, the weight of the connecting plate 9 is reduced through the weight reducing empty grooves 904, and meanwhile, the weight reducing empty grooves 904 play a role of radiating grooves, so that the heat of the drying lamp 10 is convenient to volatilize.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A drying device for coating pole pieces on a lithium battery comprises a drying box body, a feeding hole and a discharging hole which are arranged at two sides of the drying box body, wherein a feeding roller is arranged in the drying box body, the pole pieces are flatly paved on the feeding roller so as to be conveyed from the feeding hole to the discharging hole, the front surface of the drying box body is hermetically provided with a box door, and the drying device is characterized in that,

a plurality of drying mechanisms are respectively arranged at the positions, located at the upper end and the lower end of the feeding roller, in the drying box body and are used for drying the upper end face and the lower end face of the pole piece;

the drying mechanism comprises a fixed seat, a transverse plate, a connecting plate and a drying lamp, the fixed seat is arranged in the drying box body, the transverse plate is arranged on the fixed seat in a direction perpendicular to the conveying direction of the pole pieces, the connecting plate is in transmission connection with a driving device arranged on the transverse plate, and the drying lamp is assembled on the connecting plate and moves up and down along with the connecting plate; the height of the drying lamp from the pole piece is gradually increased from the feed inlet to the discharge outlet to form step-by-step drying by adjusting the position of the connecting plate.

2. The drying device for the coating pole piece of the lithium battery as claimed in claim 1, wherein a guide rod is arranged between the transverse plate and the connecting plate, one end of the guide rod is fixedly connected with the transverse plate, and the other end of the guide rod penetrates through the connecting plate.

3. The coated pole piece drying device for lithium batteries of claim 1, wherein the fixing base is vertically assembled and connected with the transverse plate and a reinforcing rib is arranged between the fixing base and the transverse plate.

4. The drying device for the coated pole piece of the lithium battery as claimed in claim 1, wherein the driving device is a lifting cylinder, the driving device is assembled on the transverse plate by bolts, and a positioning groove is formed at a position of the transverse plate where the driving device is assembled.

5. The lithium battery coating pole piece drying device of claim 1, wherein the connecting plate comprises a connecting end and an assembling end, the connecting end is fixedly connected with the output shaft of the driving device, the assembling end is arranged on one side of the connecting end, which is far away from the driving device, and forms a T shape, clamping blocks are arranged on two sides of the assembling end in an extending manner, the drying lamp is arranged across the pole piece, and two ends of the drying lamp are detachably assembled on the clamping blocks.