CN221077101U

CN221077101U - Wind nozzle structure with roller and lithium battery pole piece oven

Info

Publication number: CN221077101U
Application number: CN202323046441.9U
Authority: CN
Inventors: 顾继康; 张旭; 华勇
Original assignee: Gotion High Tech Co Ltd
Current assignee: Gotion High Tech Co Ltd
Priority date: 2023-11-08
Filing date: 2023-11-08
Publication date: 2024-06-04
Anticipated expiration: 2033-11-08

Abstract

The utility model relates to a wind nozzle structure with a roller and a lithium battery pole piece oven, which comprises the roller and a shell; the casing has the installation cavity and installation cavity top has the opening, crosses the roller rotate and install in the installation cavity and its top protrusion in the opening, the casing top is located and crosses roller axial both sides position and all offered the tuyere of arranging along crossing roller axial and the casing be provided with the air inlet passageway with two tuyere intercommunication. According to the utility model, the shell is arranged, the passing roller is arranged in the mounting cavity of the shell, the air nozzles are arranged at two sides of the axial direction of the passing roller, the pole piece is dried by the air sprayed by the two air nozzles, and the two symmetrical air nozzles can enable the pole piece to be subjected to uniform air flow, so that shaking is reduced in the running process of the pole piece, the running is more stable, the consistency of air pressure of the air received by the pole piece in the transverse direction is ensured, and the problems of received baking force of the pole piece in the drying process and shaking in the drying process are well solved.

Description

Wind nozzle structure with roller and lithium battery pole piece oven

Technical Field

The utility model relates to the technical field of air nozzles, in particular to an air nozzle structure with a roller and a lithium battery pole piece oven.

Background

In order to improve the energy density and performance of the lithium battery, thinner aluminum foils and copper foils are used as lithium battery pole pieces, which is a future trend of the lithium battery, the lithium battery pole pieces in the current industry mainly comprise aluminum foils with the thickness of 12 mu m and copper foils with the thickness of 6 mu m, and thinner foil materials are the main stream in the future. However, thinner foil is lighter in weight, is more stressed in the drying process in the oven, and the phenomena of wrinkling, curling, cracking and the like are more likely to occur in the operation process of the pole piece due to the structure of the upper and lower tuyeres of the conventional oven, namely the upper and lower tuyeres and 4 full-active roller passing and motor driving. The total roller number of passing below the pole piece can be increased, the baking force born by the pole piece can be improved, the pole piece operation state is more stable, but the conventional lower tuyere installation space can be occupied by increasing the total active roller, a large amount of energy consumption is increased, and the drying effect of the pole piece can be influenced by reducing the lower tuyere number.

Disclosure of utility model

Based on this, it is necessary to increase the total number of rollers below the pole piece in order to improve the baking force to which the pole piece is subjected in the current lithium battery pole piece oven, and increasing the total number of rollers can occupy the conventional lower tuyere installation space, increase a large amount of energy consumption, reduce the technical problem that the lower tuyere number can also influence the pole piece drying effect, and provide a tuyere structure with rollers and a lithium battery pole piece oven.

The utility model provides a tuyere structure with a roller, which comprises the roller and a shell; the casing has the installation cavity and installation cavity top has the opening, crosses the roller rotate and install in the installation cavity and its top protrusion in the opening, the casing top is located and crosses roller axial both sides position and all offered the tuyere of arranging along crossing roller axial and the casing be provided with the air inlet passageway with two tuyere intercommunication.

According to the utility model, the shell is arranged, the passing roller is arranged in the mounting cavity of the shell, the air nozzles are arranged at two sides of the axial direction of the passing roller, the pole piece is dried by the air sprayed by the two air nozzles, and the two symmetrical air nozzles can enable the pole piece to be subjected to uniform air flow, so that shaking is reduced in the running process of the pole piece, the running is more stable, the consistency of air pressure of the air received by the pole piece in the transverse direction is ensured, and the problems of received baking force of the pole piece in the drying process and shaking in the drying process are well solved.

As a further improvement of the above scheme of the utility model, the shell comprises an outer shell, an inner shell and two side plates, wherein the inner shell is arranged in the outer shell, and both ends of the inner shell and the outer shell are respectively connected with the two side plates; the inside installation cavity that forms of inner shell, cross roller axial both ends are connected with two curb plates normal running fit respectively, leave the clearance in order to form the air inlet passageway between inner shell and the shell, and inner shell, shell top are all opened in order to form two tuyere between inner shell, shell top, and two tuyere cross-sectional areas are the same.

As a further improvement of the scheme of the utility model, the central axis of the roller coincides with the horizontal central line of the inner shell, and the vertical central line of the outer shell coincides with the vertical central line of the inner shell.

As a further improvement of the scheme, the shell further comprises an air inlet box, the air inlet box is arranged at the bottom end of the shell, and a plurality of air inlet holes which are uniformly distributed and are communicated with the air inlet box and the air inlet channel are formed in the bottom end of the shell.

As a further improvement of the above-mentioned scheme of the utility model, the upper end of the inner shell is uniformly formed with a first bending plate which extends to the inside of the upper end of the inner shell at two axial sides of the passing roller.

As a further improvement of the scheme, the two ends of the shell in the axial direction of the passing roller are connected with side supporting plates which are horizontally arranged, the top surface of each side supporting plate and the top surface of the shell are in the same horizontal plane, one end, far away from the shell, of each side supporting plate is connected with a bending plate II which extends upwards, and two sides of each side supporting plate are connected with a bending plate III which extends downwards in a tilting mode.

As a further improvement of the above-mentioned solution of the utility model, the tuyere further comprises an adjusting mechanism mounted in the mounting chamber and adapted to adjust the height of the passing roller.

As a further improvement of the above-described aspect of the utility model, the adjusting mechanism includes two adjusting members provided at both axial ends of the passing roller and respectively for adjusting the heights of both ends of the passing roller.

As a further improvement of the scheme, the adjusting piece comprises two sliding rails, an adjusting seat, an adjusting screw and a connecting seat, wherein the two sliding rails are arranged on the inner wall of the mounting cavity, the adjusting seat is slidably arranged on the two sliding rails, the end part of the roller passing through is provided with a fixed shaft which is rotatably arranged on the adjusting seat through a bearing, the top end of the adjusting screw is in rotary fit connection with the adjusting seat, the bottom end of the adjusting screw penetrates through the connecting seat and then extends out of the shell, and the connecting seat is fixed at the bottom of the mounting cavity and is in threaded fit connection with the adjusting screw.

The utility model also provides a lithium battery pole piece oven which comprises the wind nozzle structure with the roller.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the utility model, the shell is arranged, the passing roller is arranged in the mounting cavity of the shell, the air nozzles are arranged at two sides of the axial direction of the passing roller, the pole piece is dried by the air sprayed by the two air nozzles, and the two symmetrical air nozzles can enable the pole piece to be subjected to uniform air flow, so that shaking is reduced in the running process of the pole piece, the running is more stable, the consistency of air pressure of the air received by the pole piece in the transverse direction is ensured, and the problems of received baking force of the pole piece in the drying process and shaking in the drying process are well solved.

2. The utility model also provides an adjusting mechanism for adjusting the height of the passing roller, and the supporting force of the pole piece can be changed by adjusting the height of the passing roller, so that the stability of the pole piece is improved.

3. The utility model arranges the passing roller in the air nozzle shell, which greatly reduces the occupied space, and the same space can increase the number of the air nozzle and the passing roller more, thereby effectively improving the supporting force and stability born by the thin pole piece and improving the quality of the pole piece after drying.

Drawings

Fig. 1 is a schematic structural view of a tuyere structure with a passing roller according to an embodiment of the present utility model;

FIG. 2 is a top view of a tuyere structure with a passing roller according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a tuyere structure with a passing roller according to an embodiment of the present utility model;

fig. 4 is a schematic diagram of the operation of a tuyere structure with a passing roller according to an embodiment of the present utility model.

Reference numerals: 110. a housing; 111. an air inlet hole; 120. an inner case; 121. bending the first plate; 130. a side plate; 140. a tuyere; 150. an air inlet box; 160. a side support plate; 161. a second bending plate; 162. bending the third plate; 170. an air inlet channel; 200. passing through a roller; 210. a fixed shaft; 310. a slide rail; 320. an adjusting seat; 330. adjusting a screw; 340. and a connecting seat.

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.

Examples

Referring to fig. 1 and 2, the present embodiment provides a tuyere structure with a passing roller, which includes a passing roller 200 and a housing, and may further include an adjusting mechanism.

Referring to fig. 3, the housing includes an outer housing 110, an inner housing 120, and two side plates 130, and may further include an air inlet box 150 and two side plates 160. The inner shell 120 is internally provided with an installation cavity, the inner shell 120 is arranged in the outer shell 110, the top surface of the inner shell 120 and the top surface of the outer shell 110 are positioned in the same horizontal plane, a gap is reserved between the inner shell 120 and the outer shell 110 to form a U-shaped air inlet channel 170, the vertical center line of the outer shell 110 coincides with the vertical center line of the inner shell 120, the two ends of the inner shell 120 and the outer shell 110 in the length direction are opened, and the two ends of the inner shell 120 and the two ends of the outer shell 110 in the length direction are respectively connected with the two side plates 130 in a sealing fit manner. The top ends of the inner and outer casings 120, 110 are opened to form two tuyeres 140 communicating with the air inlet channel 170 between the top ends of the inner and outer casings 120, 110, and the two tuyeres 140 have the same cross-sectional area. The top end of the inner case 120 is integrally formed with a first bending plate 121 extending horizontally toward the inside thereof. The air inlet box 150 is installed at the bottom end of the housing 110, and a plurality of air inlet holes 111 which are uniformly distributed and are communicated with the air inlet box 150 and the air inlet channel 170 are formed at the bottom end of the housing 110. The two side support plates 160 are respectively arranged at the outer sides of the two side plates 130, the two side support plates 160 are horizontally arranged, one ends of the two side support plates 160 are respectively connected with the top ends of the two side plates 130, the top surfaces of the side support plates 160, the inner shell 120 and the top surfaces of the outer shell 110 are in the same horizontal plane, one ends, far away from the side plates 130, of the side support plates 160 are connected with a second bending plate 161 which extends vertically upwards, and two sides of the side support plates 160 are respectively connected with a third bending plate 162 which extends obliquely downwards.

The roller 200 is horizontally arranged in the mounting cavity, the top ends of the roller 200 protrude out of the two bending plates 121, the roller 200 can rotate relative to the inner shell 120, and the central axis of the roller 200 coincides with the horizontal central axis of the inner shell 120. Fixed shafts 210 are connected to both axial ends of the passing roller 200. A fixed shaft 210 passing through one end of the roller 200 extends through one of the side plates 130 to the outside of the side plate 130 and is coupled to the side plate 130 by a bearing in a rotating fit.

The adjusting mechanism is used for adjusting the height of the roller 200, and comprises two adjusting pieces, wherein the two adjusting pieces are respectively arranged at two axial ends of the roller 200. The regulating part comprises two slide rails 310, a regulating seat 320, a regulating screw 330 and a connecting seat 340, wherein the two slide rails 310 are all installed on the inner wall of an installation cavity, the regulating seat 320 is slidably installed on the two slide rails 310, the end part of the roller 200 is provided with a fixed shaft 210, the fixed shaft 210 is rotatably installed on the regulating seat 320 through a bearing, the top end of the regulating screw 330 is connected with the regulating seat 320 in a rotating fit manner, the bottom end of the regulating screw 330 penetrates through the connecting seat 340 and then extends out of the shell, and the connecting seat 340 is fixed at the bottom of the installation cavity and is in threaded fit connection with the regulating screw 330.

The working principle of the present embodiment will be described next with reference to fig. 4.

A plurality of the windbreak structures with rollers of this embodiment are installed in a lithium battery pole piece oven, and the air inlet box 150 is communicated with the pipeline of the oven. The fixed shaft 210 extending out of the side plate 130 through the roller 200 is connected with the oven transmission mechanism, and the roller 200 is driven to rotate by the driving unit of the oven.

The pole piece is driven by a plurality of passing rollers 200, and the bent plate I121 integrally formed at the top end of the inner shell 120 can enable the pole piece to stably pass through the passing rollers 200, so that the pole piece is prevented from being clamped into a cavity; the two sides of the pole piece are supported by the side supporting plates 160 of the wind nozzle 140, the second bending plate 161 of the side supporting plates 160 can prevent the pole piece from deviating, and the third bending plate 162 of the side supporting plates 160 can prevent the pole piece from being scratched when entering the side supporting plates 160. Hot air enters the air inlet box 150 from the pipeline, then enters the air inlet channel 170 from the air inlet holes 111, the air inlet holes 111 can rectify the entering air, so that the flow rate of the entering air inlet channel 170 becomes uniform, and then the air is discharged to the pole piece at a uniform speed through the air nozzles 140 on the two axial sides of the roller 200, so that the pole piece is uniformly and rapidly dried, the two symmetrical air nozzles 140 can enable the pole piece to be subjected to uniform air flow, shaking is reduced in the running process of the pole piece, the running is more stable, the air pressure of the air received by the pole piece in the transverse direction is kept consistent, and the problem of shaking of the pole piece in the drying process and the drying process is well solved.

Through adjusting screw 330, make adjusting seat 320 follow the regulation and reciprocate to change the height of crossing roller 200, through adjusting the height of crossing roller 200, change the holding power of crossing roller 200 and pole piece, the higher the height of crossing roller 200, the greater the holding power to the pole piece, improve the tolerance of pole piece, make the more stable of pole piece operation.

According to the embodiment, through changing the structures of the passing roller 200 and the air nozzle 140, the number of the air nozzle 140 and the passing roller 200 is increased under the condition that the installation space is not increased, the effect of drying the pole piece is not influenced, and meanwhile, the supporting force on the pole piece is also increased, so that the pole piece is more stable in operation.

It is noted that when an element is referred to as being "mounted to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A wind nozzle structure with a passing roller, which is characterized by comprising a shell and a passing roller (200); the shell is provided with a mounting cavity, the top end of the mounting cavity is provided with an opening, the passing roller (200) is rotatably mounted in the mounting cavity, the top end of the passing roller protrudes out of the opening, the positions of the top end of the shell, which are positioned on the two axial sides of the passing roller (200), are provided with air nozzles (140) axially arranged along the passing roller (200), and the shell is provided with an air inlet channel (170) communicated with the two air nozzles (140); the shell is located the roller (200) axial both ends position and all is connected with side layer board (160) that the level was arranged, and side layer board (160) top surface and shell top surface are in same horizontal plane, and side layer board (160) keep away from shell one end and are connected with perpendicular upward extension's bending board two (161), and side layer board (160) both sides all are connected with downward sloping extension's bending board three (162).

2. The wind nozzle structure with the roller according to claim 1, wherein the shell comprises an outer shell (110), an inner shell (120) and two side plates (130), the inner shell (120) is arranged in the outer shell (110), and both ends of the inner shell (120) and the outer shell (110) are respectively connected with the two side plates (130); the inside installation cavity that forms of inner shell (120), roll (200) axial both ends are connected with two curb plates (130) normal running fit respectively, leave clearance in order to form air inlet channel (170) between inner shell (120) and shell (110), and inner shell (120), shell (110) top are all opened in order to form two tuyere (140) between inner shell (120), shell (110) top, and two tuyere (140) cross-sectional areas are the same.

3. The tuyere structure with the passing roller according to claim 2, wherein a central axis of the passing roller (200) coincides with a horizontal central axis of the inner case (120), and a vertical central axis of the outer case (110) coincides with a vertical central axis of the inner case (120).

4. The tuyere structure with the passing roller according to claim 2, wherein the housing further comprises an air inlet box (150), the air inlet box (150) is installed at the bottom end of the housing (110), and a plurality of air inlet holes (111) which are uniformly distributed and are communicated with the air inlet box (150) and the air inlet channel (170) are formed at the bottom end of the housing (110).

5. The tuyere structure with the passing roller according to claim 2, wherein the upper end of the inner case (120) is formed with a horizontally arranged bending plate (121) extending toward the inside thereof at both axial side positions of the passing roller (200) uniformly.

6. The over-roll tuyere structure according to any of the claims 1-5, characterized in that it further comprises an adjusting mechanism mounted in the mounting chamber and used for adjusting the height of the over-roll (200).

7. The tuyere structure with the passing roller according to claim 6, wherein the adjusting mechanism comprises two adjusting members which are provided at both axial ends of the passing roller (200) and respectively adjust heights of both ends of the passing roller (200).

8. The wind nozzle structure with the passing roller according to claim 7, wherein the adjusting piece comprises two sliding rails (310), an adjusting seat (320), an adjusting screw (330) and a connecting seat (340), the two sliding rails are all installed on the inner wall of the installation cavity, the adjusting seat (320) is slidably installed on the two sliding rails (310), the end part of the passing roller (200) is provided with a fixed shaft (210) and the fixed shaft (210) is rotatably installed on the adjusting seat (320) through a bearing, the top end of the adjusting screw (330) is connected with the adjusting seat (320) in a rotating fit manner, the bottom end of the adjusting screw penetrates through the connecting seat (340) and then extends out of the shell, and the connecting seat (340) is fixed at the bottom of the installation cavity and is in threaded fit connection with the adjusting screw (330).

9. A lithium battery pole piece oven, characterized in that it comprises a wind nozzle structure with a through roller according to any one of claims 1-8.