CN218480882U - Lithium battery pole piece oven - Google Patents

Abstract

The utility model discloses a lithium battery pole piece drying oven, which comprises a box body, a plurality of conveying rollers, a plurality of infrared drying mechanisms and a plurality of infrared drying switch covers, wherein each conveying roller is arranged in the box body in parallel, each infrared drying mechanism and each conveying roller are arranged above the conveying roller in a staggered manner, and each infrared drying switch cover can be arranged at the periphery of each infrared drying mechanism in an opening and closing manner; the infrared drying switch cover comprises a first cover body, a second cover body and a switch driving mechanism, wherein the first cover body and the second cover body are respectively arranged in the box body in a rotating mode through rotating shafts, and the switch driving mechanism drives the first cover body and the second cover body to be closed in a rotating mode or opened in a rotating mode. The utility model is used for lithium-ion battery pole piece's stoving.

Description

Lithium battery pole piece oven

Technical Field

The utility model relates to a lithium cell production facility technical field, concretely relates to lithium battery pole piece oven.

Background

The storage battery is a device for supplying power to mobile equipment or equipment which cannot be electrically connected to a power grid, the lithium battery is a commonly used storage battery, and the lithium battery comprises a positive pole piece, a negative pole piece, electrolyte and the like. The production of the positive and negative pole pieces requires coating slurry on the strip material and drying, so as to form the positive pole piece and the negative pole piece of the lithium battery. Because of the strong penetrating ability of infrared rays, the pole pieces can penetrate into the slurry to dry the slurry when being dried, so that the positive and negative pole pieces are dried more uniformly, and the infrared irradiation drying is commonly used for drying the positive and negative pole pieces. However, the infrared lamp emitting infrared light cannot be extinguished immediately after the power supply is cut off under program control, which easily causes the pole piece baking time to be too long, and abnormal phenomena such as pole piece oxidation, baking cracking and the like occur; and when the infrared lamp just turned on, the emitted infrared light is not stable enough, and the drying effect of the lithium battery pole piece is also influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem is, when the infrared light to utilizing the infrared lamp transmission dries lithium battery pole piece, the infrared light that the infrared lamp sent when just having switched on is not stable enough, and the off-line infrared lamp can not extinguish immediately, influences the technical problem of lithium battery pole piece's stoving effect, provides a lithium battery pole piece oven that can solve.

In order to solve the technical problem, the technical scheme of the utility model is that: a lithium battery pole piece drying oven comprises a box body, a plurality of conveying rollers, a plurality of infrared drying mechanisms and a plurality of infrared drying switch covers, wherein the conveying rollers are arranged in the box body in parallel, the infrared drying mechanisms and the conveying rollers are arranged above the conveying rollers in a staggered mode, and the infrared drying switch covers are arranged on the periphery of the infrared drying mechanisms in an openable mode; the infrared drying switch cover comprises a first cover body, a second cover body and a switch driving mechanism, wherein the first cover body and the second cover body are respectively arranged in the box body in a rotating mode through rotating shafts, and the switch driving mechanism drives the first cover body and the second cover body to be closed in a rotating mode or opened in a rotating mode.

Furthermore, each switch driving mechanism all includes flexible actuating lever and slider, be provided with first slot hole on the first cover body, be provided with the second slot hole on the second cover body, the slider is fixed in the one end of flexible actuating lever, and the slider slides and sets up in first slot hole and second slot hole, the flexible first cover body of drive of flexible actuating lever and the second cover body are opened or are closed.

Furthermore, an inserting part is arranged on the outer side of the tail end of the second cover body, and the inserting part is inserted into the inner side of the tail end of the first cover body when the second cover body and the first cover body are closed.

Furthermore, the plug part is of a plate-shaped structure, a plug groove is arranged in the first cover body, and the plug part can be inserted into the plug groove.

Further, be equipped with switch cover actuating mechanism on the box, switch cover actuating mechanism includes connecting rod and lift driving piece, the connecting rod is used for connecting each flexible actuating lever, lift driving piece drive connecting rod elevating movement, the connecting rod goes up and down to drive each flexible actuating lever motion to the first cover body and the second cover body of drive infrared drying switch cover are opened or are closed.

Furthermore, each flexible actuating lever alternates to the box outside from the box, the connecting rod transversely sets up on box outside upper portion, the lifting drive spare sets up in the box outside.

Further, be equipped with hot-air drying mechanism in the box, hot-air drying mechanism blows hot-air drying and carries the lithium-ion battery pole piece that the roller was carried.

Further, hot air drying mechanism includes hot air drying mechanism and lower hot air drying mechanism, go up hot air drying mechanism and infrared drying mechanism crisscross setting, hot air drying mechanism sets up with infrared drying mechanism relatively down.

Furthermore, the refrigerator also comprises a plurality of access doors, and each access door is arranged on the side surface of the refrigerator body.

Furthermore, the access door is provided with a transparent observation window.

The utility model discloses the beneficial effect who realizes mainly has: the lithium battery pole piece drying oven comprises infrared drying mechanisms and infrared drying switch covers, and the infrared drying switch covers are arranged on the periphery of each infrared drying mechanism, so that after the lithium battery pole pieces are dried, the infrared drying mechanisms can be immediately covered by closing the infrared drying switch covers to stop the infrared drying mechanisms from irradiating the lithium battery pole pieces with infrared rays, and abnormal phenomena of pole piece oxidation, drying cracking and the like caused by overlong drying time of the lithium battery pole pieces are avoided; when the lithium battery pole piece begins to be dried, the infrared drying switch cover can be opened after the infrared drying mechanism emits light stably, so that the drying effect of the lithium battery pole piece is ensured.

Drawings

Fig. 1 is a schematic structural diagram of the exterior of a lithium battery pole piece oven in an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structure diagram of a lithium battery pole piece oven in the embodiment of the present invention;

fig. 3 is a schematic structural diagram of the first cover body and the second cover body of the infrared drying switch cover of the lithium battery pole piece oven in the embodiment of the present invention, which are closed together;

fig. 4 is the embodiment of the utility model provides an in the embodiment of the utility model embodiment the first cover body and the second cover open schematic structure of the infrared stoving switch cover of lithium-ion battery pole piece oven.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the present embodiments, certain elements of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and should not be construed as limiting the patent.

Detailed Description

To facilitate understanding for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples.

Example one

Referring to fig. 1 to 4, a lithium battery pole piece drying oven is used for drying a lithium battery pole piece, and can dry the pole piece by stable infrared light, so as to ensure the drying effect of the lithium battery pole piece; and the infrared light drying of the pole piece is stopped immediately after the drying of the lithium battery pole piece is finished, so that abnormal phenomena such as oxidation, drying cracking and the like are avoided when the lithium battery pole piece is dried. The lithium battery pole piece oven comprises a box body 1, a plurality of conveying rollers 2, a plurality of infrared drying mechanisms 3 and a plurality of infrared drying switch covers 4, wherein the box body 1 is provided with the conveying rollers 2, the infrared drying mechanisms 3 and the infrared drying switch covers 4, and all parts are arranged together through the box body 1, so that the integral lithium battery pole piece oven is formed; box 1 generally sets up to tunnel type structure, and lithium-ion battery pole piece is in the entry entering box of 1 one end of box of tunnel type structure, and the export output from the box 1 other end after drying in the box 1 of tunnel type structure is accomplished. The infrared drying mechanism 3 may employ an infrared lamp. Each of the conveying rollers 2 is arranged in the box body 1 in parallel, so that the lithium battery pole pieces 8 (positive plates or negative plates, the same applies below) can be supported by each conveying roller 2, and the lithium battery pole pieces 8 are conveyed from the inlet of the box body 1 to the outlet of the box body 1, so that the lithium battery pole pieces 8 move and are dried in the box body 1. Each infrared drying mechanism 3 is uniformly arranged above the conveying roller 2 and is arranged in a staggered manner with the conveying roller 2; when the lithium battery pole piece 8 is conveyed through the roller 2 through the lower part, the lithium battery pole piece 8 is dried through the infrared drying mechanism 3. The switches of the infrared drying switch covers 4 are arranged at the periphery of the infrared drying mechanisms 3, so that after the lithium battery pole pieces 8 are dried, the infrared drying mechanisms 3 can be immediately covered by the infrared drying switch covers 4 in a closing way to stop the infrared drying mechanisms 3 from irradiating the lithium battery pole pieces 8 with infrared rays, and abnormal phenomena of pole piece oxidation, drying cracking and the like caused by overlong drying time of the lithium battery pole pieces 8 are avoided; when lithium battery pole piece 8 begins to dry, can wait that infrared drying mechanism 3 gives out light after stable turn on infrared drying switch cover 4 again to guarantee lithium battery pole piece 8's stoving effect.

Referring to fig. 3 and 4, the infrared drying switch cover 4 may have the following structure: including first cover body 41, the second cover body 42 and switch actuating mechanism 43, first cover body 41 and the second cover body 42 rotate respectively through the pivot and set up in box 1, switch actuating mechanism 43 drives first cover body 41 and the second cover body 42 and rotates closed or rotate and open, can realize that infrared stoving switch cover 4 opens or close the cover in infrared stoving mechanism 3 periphery from this.

Referring to fig. 3 and 4, each of the switch driving mechanisms 43 includes a telescopic driving rod 431 and a slider 432, the first cover 41 is provided with a first long hole 411, the second cover 42 is provided with a second long hole 421, the slider 432 is fixed at one end of the telescopic driving rod 431, the slider 432 is slidably disposed in the first long hole 411 and the second long hole 421, and the telescopic driving rod 431 telescopically drives the first cover 41 and the second cover 42 to open or close, so that the first cover 41 and the second cover 42 can be opened or closed by a simple telescopic structure, and the infrared drying switch cover 4 is more conveniently opened or closed and is more stable in use.

Referring to fig. 3 and 4, in order to make the infrared drying switch cover 4 have a better light-shielding and sealing effect, the end of the second cover body 42 is provided with the insertion part 422, the insertion part 422 is arranged at the outer side of the end of the second cover body 42, and when the second cover body 42 and the first cover body 41 are closed, the insertion part 422 is inserted into the inner side of the end of the first cover body 41, so that a gap at the abutting part of the first cover body 41 and the second cover body 42 can be completely sealed by the insertion part 422, and infrared light emitted by the infrared drying mechanism 3 is prevented from leaking from the gap at the abutting part of the first cover body 41 and the second cover body 42, thereby the infrared drying switch cover 4 can more completely seal the infrared light emitted by the infrared drying mechanism 3 in the infrared drying switch cover, and abnormal phenomena such as pole piece oxidation, drying cracking and the like can be better avoided when the drying time of the lithium battery pole piece 8 is too long. The inserting portion 422 is preferably an opaque plate-shaped structure, an inserting groove is disposed in the first cover 41, and the inserting portion 422 can be inserted into the inserting groove to close a gap at the opening when the first cover 41 and the second cover 42 are closed.

Referring to fig. 2 to 4, the opening and closing driving of the first cover 41 and the second cover 42 adopts the following structure: and a switch cover driving mechanism 5 is arranged, and the switch cover driving mechanism 5 drives the first cover body 41 and the second cover body 42 of the infrared drying switch cover 4 to be opened or closed. The switch cover driving mechanism 5 includes a connecting rod 51 and a lifting driving member 52, the connecting rod 51 is connected to the other end of each telescopic driving rod 431 opposite to the sliding block 432, the lifting driving member 52 drives the connecting rod 51 to move up and down, and thus the opening and closing of the first cover 41 and the second cover 42 can be realized by the lifting driving member 52 driving the connecting rod 51 to move up and down. Each flexible actuating lever 431 alternates to the box 1 outside from in the box 1, connecting rod 51 transversely sets up on box 1 outside upper portion, lift driving piece 52 sets up in the box 1 outside, can set up lift driving piece 52 at box 1 outside top, lift driving piece 52 drive connecting rod 51 is at box 1 outside upper portion elevating movement, sets up connecting rod 51 and lift driving piece 52 outside box 1 from this, avoids connecting rod 51 and lift driving piece 52 to influence the lithium battery pole piece in the box 1 and dries. The lifting driving member 52 is provided in two, and two sides of the connecting rod 51 are respectively provided with one, so that the lifting action of the connecting rod 51 is more stable, and the opening and closing of the first cover 41 and the second cover 42 are more stable. The elevation driving member 52 may employ a telescopic cylinder.

Referring to fig. 1 to 4, when the lithium battery pole piece oven of the embodiment works, the infrared drying mechanism 3 is firstly turned on (at this time, the infrared drying switch cover 4 is covered outside the infrared drying mechanism 3), and the infrared drying switch cover 4 is turned on after the infrared drying mechanism 3 stably emits light; then treat that the lithium-ion battery pole piece 8 of drying continuously enters into inside box 1 from box 1 entry, through each carry roller 2 drive lithium-ion battery pole piece 8 to the export of box 1 and remove, lithium-ion battery pole piece 8 removes in the in-process that box 1 removed, each infrared drying mechanism 3 sends the lithium-ion battery pole piece 8 of infrared light irradiation stoving below in lithium-ion battery pole piece 8 top, lithium-ion battery pole piece 8 exports the output from box 1 after each infrared drying mechanism 3 dries. After the lithium battery pole piece 8 is dried, the infrared drying mechanism 3 is immediately closed and covered by the infrared drying switch cover 4, so that the abnormal phenomena of pole piece oxidation, drying cracking and the like caused by overlong drying time of the lithium battery pole piece 8 are avoided.

Example two

Referring to fig. 1 to 4, the whole lithium battery pole piece oven of the present embodiment is the same as that of the first embodiment, and a hot air drying mechanism 6 is further added on the basis of the first embodiment to optimize the drying effect of the lithium battery pole piece oven. The hot air drying mechanism 6 is arranged in the box body 1, and the hot air drying mechanism 6 blows hot air to dry the lithium battery pole pieces conveyed by the conveying roller 2. When lithium battery pole piece 8 is dried in the lithium battery pole piece oven from this, the infrared light that sends through infrared drying mechanism 3 and the hot-blast dual function that hot-blast drying mechanism 6 blew out dry, and the stoving effect is better. The infrared drying mechanism 3 adopts an infrared lamp; the hot air drying mechanism 6 adopts an electric heating wire to heat air and blows hot air out of the air blower.

Referring to fig. 2, the hot air drying mechanism 6 includes an upper hot air drying mechanism and a lower hot air drying mechanism, the upper hot air drying mechanism is disposed between the adjacent infrared drying mechanisms 3, and the lower hot air drying mechanism is disposed below the infrared drying mechanisms 3. From this, when lithium-ion battery pole piece 8 was dried in lithium-ion battery pole piece oven, go up hot-air drying mechanism and blow hot-air drying simultaneously in both sides about lithium-ion battery pole piece 8 with hot-air drying mechanism down, the stoving effect is better.

Referring to fig. 1 to 4, when the lithium battery pole piece oven of the embodiment works, the infrared drying mechanism 3 is firstly turned on (at this time, the infrared drying switch cover 4 is covered outside the infrared drying mechanism 3), and the infrared drying switch cover 4 is turned on after the infrared drying mechanism 3 stably emits light; then treat that the lithium-ion battery pole piece 8 of drying continuously enters into inside box 1 from box 1 entry, carry roller 2 drive lithium-ion battery pole piece 8 through each and remove to box 1 export, lithium-ion battery pole piece 8 removes in the in-process that box 1 removed, each infrared drying mechanism 3 sends lithium-ion battery pole piece 8 of infrared irradiation stoving below in lithium-ion battery pole piece 8 top, go up hot-blast drying mechanism and blow hot-blast drying simultaneously with hot-blast drying mechanism down both sides about lithium-ion battery pole piece 8 simultaneously, lithium-ion battery pole piece 8 exports from box 1 after infrared drying mechanism 3 and hot-blast drying mechanism 6 are dried. After the lithium battery pole piece 8 is dried, the infrared drying mechanism 3 is immediately closed and covered by the infrared drying switch cover 4, so that the abnormal phenomena of pole piece oxidation, drying cracking and the like caused by overlong drying time of the lithium battery pole piece 8 are avoided.

EXAMPLE III

Referring to fig. 1 to 4, the whole lithium battery pole piece oven of the embodiment is the same as that of the second embodiment, and the structure of the box body 1 is further improved on the basis of the second embodiment, so that the lithium battery pole piece oven is convenient to overhaul and monitor. The present embodiment is the same as the second embodiment, and further modifications will be described below with reference to the second embodiment.

Referring to fig. 1, the box body further comprises a plurality of access doors 7, and each access door 7 is uniformly arranged on the side surface of the box body 1. Therefore, when the lithium battery pole piece drying oven needs to be overhauled, the access door 7 can be opened to enter the box body 1 for overhauling; when the lithium battery pole piece drying oven is normally used, each access door 7 is closed. Set up a plurality of access doors 7 at box 1, conveniently overhaul lithium battery pole piece oven different positions.

Referring to fig. 1, the access door 7 is provided with a transparent observation window 71, and the internal condition of the lithium battery pole piece drying oven can be observed through the transparent observation window 71, so that a worker can observe the drying condition of the lithium battery pole piece 8 through the transparent observation window 71 when the lithium battery pole piece drying oven works, and the work of the lithium battery pole piece drying oven is conveniently monitored.

Referring to fig. 1 to 4, the process of drying the lithium battery pole piece 8 by the lithium battery pole piece oven of the embodiment is the same as that of the first embodiment, and the drying operation of the lithium battery pole piece 8 can be observed and monitored through the transparent observation window 71 when the lithium battery pole piece 8 is dried. And opening the access door 7 to access the interior for maintenance when the lithium battery pole piece drying oven needs to be maintained.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a lithium battery pole piece oven which characterized in that: the device comprises a box body (1), a plurality of conveying rollers (2), a plurality of infrared drying mechanisms (3) and a plurality of infrared drying switch covers (4), wherein the conveying rollers (2) are arranged in the box body (1) in parallel, the infrared drying mechanisms (3) and the conveying rollers (2) are arranged above the conveying rollers (2) in a staggered mode, and the infrared drying switch covers (4) are arranged on the periphery of the infrared drying mechanisms (3) in an openable mode; infrared drying switch cover (4) include the first cover body (41), the second cover body (42) and switch actuating mechanism (43), the first cover body (41) and the second cover body (42) rotate the setting in box (1) through the pivot respectively, switch actuating mechanism (43) drive the first cover body (41) and the second cover body (42) rotate closed or rotate and open.

2. The lithium battery pole piece oven of claim 1, characterized in that: each switch driving mechanism (43) comprises a telescopic driving rod (431) and a sliding block (432), a first long hole (411) is formed in a first cover body (41), a second long hole (421) is formed in a second cover body (42), the sliding block (432) is fixed at one end of the telescopic driving rod (431), the sliding block (432) is arranged in the first long hole (411) and the second long hole (421) in a sliding mode, and the telescopic driving rod (431) drives the first cover body (41) and the second cover body (42) to be opened or closed in a telescopic mode.

3. The lithium battery pole piece oven of claim 2, characterized in that: the outer side of the tail end of the second cover body (42) is provided with an insertion part (422), and the insertion part (422) is inserted into the inner side of the tail end of the first cover body (41) when the second cover body (42) and the first cover body (41) are closed.

4. The lithium battery pole piece oven of claim 3, characterized in that: the insertion part (422) is of a plate-shaped structure, an insertion groove is formed in the first cover body (41), and the insertion part (422) can be inserted into the insertion groove.

5. The lithium battery pole piece oven of any one of claims 2 to 4, characterized in that: be equipped with switch cover actuating mechanism (5) on box (1), switch cover actuating mechanism (5) include connecting rod (51) and lift driving piece (52), connecting rod (51) are used for connecting each flexible actuating lever (431), lift driving piece (52) drive connecting rod (51) elevating movement, connecting rod (51) go up and down to drive each flexible actuating lever (431) motion to the first cover body (41) and the second cover body (42) of drive infrared drying switch cover (4) are opened or are closed.

6. The lithium battery pole piece oven of claim 5, characterized in that: each telescopic driving rod (431) penetrates to the outside of the box body (1) from the inside of the box body (1), the connecting rod (51) is transversely arranged on the upper part of the outer side of the box body (1), and the lifting driving piece (52) is arranged on the outer side of the box body (1).

7. The lithium battery pole piece oven of claim 6, characterized in that: the lithium battery pole piece conveying device is characterized in that a hot air drying mechanism (6) is arranged in the box body (1), and the hot air drying mechanism (6) blows hot air to dry and convey lithium battery pole pieces conveyed by the roller (2).

8. The lithium battery pole piece oven of claim 7, characterized in that: the hot air drying mechanism (6) comprises an upper hot air drying mechanism and a lower hot air drying mechanism, the upper hot air drying mechanism and the infrared drying mechanism (3) are arranged in a staggered mode, and the lower hot air drying mechanism and the infrared drying mechanism (3) are arranged oppositely.

9. The lithium battery pole piece oven of claim 8, characterized in that: the box body is characterized by further comprising a plurality of access doors (7), wherein each access door (7) is arranged on the side face of the box body (1).

10. The lithium battery pole piece oven of claim 9, wherein: the access door (7) is provided with a transparent observation window (71).

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