Air nozzle of coating machine for new energy lithium battery production

Abstract

The utility model discloses a tuyere of a coating machine for new energy lithium battery production, which comprises a tuyere main body, the tuyere main body is provided with an inner cavity, an air inlet and an air outlet, and the air outlet and the air inlet are respectively communicated with the upper side and the lower side of the inner cavity; an inner cavity is formed in the inner side wall of the tuyere body, an air deflector assembly is arranged on the inner upper side of the inner cavity and comprises a supporting plate and an air deflector fixed to the upper end of the supporting plate, an air guiding cavity is defined by the supporting plate and the air deflector, a ventilation part communicated with the air guiding cavity is arranged on the air deflector, and the supporting plate is fixedly connected to the inner side wall of the tuyere body; an inclined air outlet gap is formed between the outer side wall of the air guide plate and the inner side wall of the tuyere body, the air outlet is formed, a plurality of ventilation holes are formed in the supporting plate at intervals, and the two ends of each ventilation hole communicate with the inner cavity and the air outlet correspondingly. Therefore, the structure is simple, the air outlet speed is uniform, and the drying quality is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field technology of lithium battery coating machine especially is a kind of air nozzle for coating machine of new energy lithium battery production. BACKGROUND

[0002] With the increasingly serious problem of energy shortage, lithium ion battery is more and more widely used, coating machine is needed in the production process of new energy lithium battery, so-called coating is to refer to paste polymer, molten polymer or polymer solution coating on film to obtain composite film method, for lithium ion battery, coating substrate film is metal foil, generally copper foil or aluminum foil.And coating operation is an important process in lithium ion battery manufacturing process, the quality of coating has direct influence on the performance of finished product battery.

[0003] Coating processing is a very important production process in lithium battery production process, which is mainly to uniformly and continuously or intermittently coat the mixed slurry on the substrate (aluminum foil or copper foil), and then dry.The drying part is one of the most important steps of coating, and the air nozzle used for coating drying is the main factor directly affecting the drying effect of oven.The existing air nozzle is generally complex in structure, the air outlet speed is uneven, the air duct is partially blocked, and the coated substrate is prone to local dry cracking and uneven drying, which affects the drying quality.

[0004] Therefore, it is necessary to develop a new technology to solve the above problems. INVENTION CONTENTS

[0005] Therefore, the utility model provides a kind of air nozzle for coating machine of new energy lithium battery production, its structure is simple, air outlet speed is uniform, guarantees drying quality.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] An air nozzle for coating machine of new energy lithium battery production, comprising a nozzle body, the nozzle body has an inner cavity, an air inlet and an air outlet, the air outlet and the air inlet are respectively communicated with the upper and lower sides of the inner cavity;The inner upper side of the inner cavity is provided with a wind deflector assembly, the wind deflector assembly comprises a supporting plate and a wind deflector fixed to the upper end of the supporting plate, a wind deflector cavity is formed between the supporting plate and the wind deflector, the wind deflector is provided with a ventilation part communicated with the wind deflector cavity, the supporting plate is fixedly connected to the inner side wall of the nozzle body, the outer side wall of the wind deflector and the inner side wall of the nozzle body have an inclined air outlet gap and form the air outlet, the supporting plate is provided with a plurality of air-permeable holes arranged at intervals, and the two ends of the air-permeable holes are respectively communicated with the inner cavity and the air outlet.

[0008] As a preferred solution, the air venting part comprises a plurality of air venting holes which are in communication with the air guiding cavity and are arranged in a matrix.

[0009] As a preferred solution, the air guiding plate comprises a transverse plate part, two folded plate parts and two connecting plate parts, the two folded plate parts are integrally connected to the front and rear ends of the transverse plate part respectively, the folded plate parts are folded downward and outward, the connecting plate parts are integrally connected to the lower ends of the corresponding folded plate parts, the connecting plate parts extend inward and horizontally, the outer side walls of the folded plate parts and the inner side walls of the air nozzle main body are provided with the air outlet gaps and form the air outlets, and the connecting plate parts are fixedly connected to the upper ends of the support plate.

[0010] As a preferred solution, a plurality of first connecting holes are arranged on the connecting plate parts, a connecting hole group is arranged on each of the front and rear sides of the support plate, the connecting hole group comprises a plurality of second connecting holes, and the first connecting holes and the second connecting holes are connected through connecting screws.

[0011] As a preferred solution, a plurality of air permeable holes are arranged on the outer side of the connecting hole group on the support plate.

[0012] As a preferred solution, a positioning plate part is integrally extended downward from each of the front and rear ends of the support plate, a plurality of first positioning holes are arranged on the positioning plate part, a plurality of second positioning holes are arranged on the front and rear side walls of the air nozzle main body, and the first positioning holes and the second positioning holes are connected through locking screws.

[0013] As a preferred solution, a plurality of positioning recesses are concavely arranged upward on the lower end of the positioning plate part, a plurality of positioning bolts are arranged on the front and rear side walls of the air nozzle main body, and the positioning recesses are positioned on the corresponding positioning bolts from top to bottom.

[0014] As a preferred solution, the air nozzle main body comprises a main body part, a left side plate and a right side plate, the left side plate is arranged on the left side opening of the main body part, the right side plate is arranged on the right side opening of the main body part, the inner cavity is formed between the main body part, the left side plate and the right side plate, the front and rear ends of the support plate are fixedly connected to the front and rear inner side walls of the main body part respectively, the air guiding plate is exposed to the upper opening of the main body part, the air inlets are arranged on the bottom plate of the main body part, and the air outlets are formed between the front outer side wall of the air guiding plate and the front inner side wall of the main body part and between the rear outer side wall of the air guiding plate and the rear inner side wall of the main body part.

[0015] As a preferred solution, a plurality of through holes which are in communication with the air guiding cavity are arranged on the left side plate and the right side plate.

[0016] As a preferred solution, a positioning buckle is arranged on the outer side wall of the left side plate, and a positioning needle is arranged on the outer side wall of the right side plate.

[0017] The utility model discloses an air outlet structure of air nozzle has the advantages of the prior art, and beneficial effects are obvious, and specifically speaking, the main technology scheme can know, it is mainly through setting up the air deflector assembly on the inner upper side of the inner chamber, makes the air deflector assembly include the support plate and the air deflector, fixes the support plate and connects on the inner side wall of the air nozzle main body, and has the inclined setting air gap between the outer side wall of the air deflector and the inner side wall of the air nozzle main body and forms the air outlet, is provided with a plurality of interval arrangement's air hole on the support plate, makes the both ends of air hole communicate in the inner chamber, air outlet respectively, in this way, can make it can pass through the support plate and divide the inner chamber into upper and lower side chamber department, like this, the airflow that enters the inner chamber from the air inlet first enters the chamber department in the lower side, carries out a certain degree's buffering and uniformity in this chamber department, then enters the upper side chamber department after buffering and dispersing of the support plate, like this, can realize the uniformity of airflow on a certain degree, and then the airflow passes through the air outlet that the air gap is formed and blows the air nozzle, because the air gap is inclined setting, can avoid the airflow and blows directly along the original direction, but will be affected by the air gap and the flow disturbance effect, carries out the dispersion uniformity of the airflow at the air gap again, thereby makes the air nozzle's air outlet speed uniform, and simple structure can guarantee the drying quality.

[0018] In order to more clearly set forth the structural features, technical means and the concrete purpose and function reached of the utility model, below combining with the specific embodiment to the utility model make further detailed explanation. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the whole structure stereogram of embodiment of the utility model,

[0020] Figure 2 It is another angle whole structure stereogram of embodiment of the utility model,

[0021] Figure 3 It is the exploded view of embodiment of the utility model,

[0022] Figure 4 It is another exploded view of embodiment of the utility model,

[0023] Figure 5 It is Figure 4 Another angle schematic view of the structure shown,

[0024] Figure 6 It is still another exploded view of embodiment of the utility model,

[0025] Figure 7 It is another angle schematic view of the structure shown, Figure 6

[0026] Figure 8 It is the sectional view of embodiment of the utility model. ​

[0027] The accompanying drawings are used to explain the present application:

[0028] 10, air nozzle body 11, inner cavity

[0029] 12, air inlet 13, air outlet

[0030] 14, second positioning hole 15, main body part

[0031] 16, left side plate 17, right side plate

[0032] 20, support plate 21, air hole

[0033] 22, second connecting hole 23, positioning plate part

[0034] 231, first positioning hole 232, positioning groove

[0035] 30, air deflector 31, air hole

[0036] 32, transverse plate part 33, folded plate part

[0037] 34, connecting plate part 341, first connecting hole

[0038] 40, air deflector cavity 50, connecting screw

[0039] 60, locking screw 70, positioning bolt

[0040] 80, through hole 90, positioning buckle

[0041] 101, positioning needle. DETAILED DESCRIPTION

[0042] In the description of the present application, it should be pointed out that if the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship of the product in use. It is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0043] Please refer to Figures 1 to 8As shown in the figure, the specific structure of the embodiment of the utility model is shown, and it is mainly applied to the coating machine of new energy lithium battery production. The air nozzle of the coating machine for new energy lithium battery production includes air nozzle main body 10, the air nozzle main body 10 has inner cavity 11, air inlet 12 and air outlet 13, the air outlet 13 and air inlet 12 are communicated with the upper and lower sides of inner cavity 11 respectively;The inner upper side of the inner cavity 11 is provided with a wind deflector assembly, the wind deflector assembly includes a support plate 20 and a wind deflector 30 fixed to the upper end of the support plate 20, a wind deflector cavity 40 is formed between the support plate 20 and the wind deflector 30, the wind deflector 30 is provided with a ventilation part communicated with the wind deflector cavity 40, the support plate 20 is fixedly connected to the inner side wall of the air nozzle main body 10, the outer side wall of the wind deflector 30 and the inner side wall of the air nozzle main body 10 have an inclined air outlet gap and form the air outlet 13, the support plate 20 is provided with a plurality of air-permeable holes 21 arranged at intervals, and the two ends of the air-permeable holes 21 are communicated with the inner cavity 11 and the air outlet 13 respectively.

[0044] As Figures 1 to 5 As shown in the figure, in the embodiment, the air nozzle main body 10 includes a main body part 15, a left side plate 16 and a right side plate 17, the left side plate 16 is covered on the left side opening of the main body part 15, the right side plate 17 is covered on the right side opening of the main body part 15, the left side plate 16 and the right side plate 17 are respectively locked and connected on the left and right sides of the main body part 15 through screws, the main body part 15, the left side plate 16 and the right side plate 17 form the inner cavity 11, the front and rear ends of the support plate 20 are respectively fixedly connected to the front and rear inner side walls of the main body part 15, the wind deflector 30 is exposed in the upper opening of the main body part 15, the air inlet 12 is arranged on the bottom plate of the main body part 15, the front outer side wall of the wind deflector 30 and the front inner side wall of the main body part 15, and the rear outer side wall of the wind deflector 30 and the rear inner side wall of the main body part 15 all form the air outlet 13, and the left and right sides of the support plate 20 and the wind deflector 30 are limited by the left side plate 16 and the right side plate 17 respectively. The left side plate 16 and the right side plate 17 are both provided with a through hole 80 communicated with the wind deflector cavity 40. Furthermore, the outer side wall of the left side plate 16 is provided with a positioning buckle 90, and the outer side wall of the right side plate 17 is provided with a positioning needle 101, so that the positioning buckle 90 and the positioning needle 101 can be combined to facilitate the positioning connection with the external structure.

[0045] As Figures 3 to 8As shown, in the embodiment, the air deflector 30 comprises a transverse plate portion 32, two folded plate portions 33, and two connecting plate portions 34. The two folded plate portions 33 are integrally connected to the front and rear ends of the transverse plate portion 32 respectively. The folded plate portions 33 are folded downward and outward. The connecting plate portions 34 are integrally connected to the lower ends of the corresponding folded plate portions 33. The connecting plate portions 34 extend inward and transversely. The outer side walls of the folded plate portions 33 and the inner side walls of the main body portion 15 of the air nozzle main body 10 are provided with the air outlet gaps and form the air outlets 13. The connecting plate portions 34 are fixedly connected to the upper end of the support plate 20. Here, the folded plate portions 33 can make the air outlet gaps be provided obliquely. Since the air outlet gaps are provided obliquely, the airflow can be prevented from being blown out directly along the original direction, but can be disturbed by the air outlet gaps to be dispersed and uniformized again, so that the air outlet speed of the air nozzle is uniform, and the drying quality of the diaphragm is ensured.

[0046] As shown in the drawings, Figures 3 to 8 In the embodiment, a plurality of first connecting holes 341 are arranged on the connecting plate portions 34. A plurality of connecting hole groups are arranged on the front and rear sides of the support plate 20. Each connecting hole group comprises a plurality of second connecting holes 22. The first connecting holes 341 and the second connecting holes 22 are connected by connecting screws 50 to realize the positioning and connection between the air deflector 30 and the support plate 20, and facilitate the disassembly and assembly between the air deflector 30 and the support plate 20.

[0047] As shown in the drawings, Figures 3 to 8 In the embodiment, the ventilation portion is arranged on the transverse plate portion 32 and extends along the left-right direction. The ventilation portion comprises a plurality of ventilation holes 31 which are communicated with the air deflector cavity 40. The plurality of ventilation holes 31 extend along the left-right direction and are arranged in a matrix mode.

[0048] As shown in the drawings, Figures 3 to 8 In the embodiment, the support plate 20 integrally extends downward at the front and rear ends to form positioning plate portions 23. A plurality of first positioning holes 231 are arranged on the positioning plate portions 23. A plurality of second positioning holes 14 are arranged on the front and rear side walls of the main body portion 15 of the air nozzle main body 10. The first positioning holes 231 and the second positioning holes 14 are connected by locking screws 60 to realize the positioning and connection between the support plate 20 and the main body portion 15 of the air nozzle main body 10, and facilitate the disassembly and assembly between the support plate 20 and the main body portion 15 of the air nozzle main body 10.

[0049] As shown in the drawings, Figures 3 to 8As shown, in the embodiment, the lower end of the positioning plate part 23 is concavely provided with a plurality of positioning recesses 232 upward, the front and rear sidewalls of the tuyere main body 10 are both provided with a plurality of positioning bolts 70, and the positioning recesses 232 are positioned on the corresponding positioning bolts 70 from top to bottom, so that when the support plate 20 is assembled on the main body part 15 of the tuyere main body 10, the support plate 20 can be first positioned by the combination of the positioning recesses 232 and the positioning bolts 70, and then be stably positioned on the positioning bolts 70, and then the first positioning hole 231 and the second positioning hole 14 can be connected by the locking screw 60.

[0050] In summary, the design focus of the utility model lies in that the inner upper side of the inner cavity is provided with the air guide plate assembly, the air guide plate assembly comprises a support plate and an air guide plate, the support plate is fixedly connected to the inner sidewall of the tuyere main body, the air guide plate has an inclined air outlet gap and forms an air outlet between the outer sidewall of the air guide plate and the inner sidewall of the tuyere main body, a plurality of air permeable holes are arranged on the support plate and are in communication with the inner cavity and the air outlet respectively, so that the inner cavity can be divided into upper and lower cavity parts by the support plate, the airflow entering the inner cavity from the air inlet first enters the lower cavity part, is buffered and uniformly distributed in the cavity part, and then enters the upper cavity part after being buffered and dispersed by the support plate, so that the airflow is uniformly distributed to a certain extent, and then the airflow is blown out of the tuyere through the air outlet formed by the inclined air outlet gap, the airflow is disturbed by the air outlet gap and is uniformly distributed again, so that the airflow is uniformly distributed, the structure is simple, and the drying quality can be ensured.

[0051] The above is only a preferred embodiment of the utility model, and does not limit the technical range of the utility model, so any slight modification, equivalent change and modification made according to the technical essence of the utility model are still within the technical range of the utility model.

Claims

1. A nozzle for a coating machine used in new energy lithium battery production, comprising a nozzle body having an inner cavity, an air inlet and an air outlet, the air outlet and the air inlet being respectively communicated with the upper and lower sides of the inner cavity; characterized in that: The inner upper side of the inner cavity is provided with a baffle assembly, the baffle assembly comprises a support plate and a baffle fixed to the upper end of the support plate, a baffle cavity is formed between the support plate and the baffle, the baffle is provided with a ventilation part communicating with the baffle cavity, the support plate is fixedly connected to the inner side wall of the nozzle body, the outer side wall of the baffle and the inner side wall of the nozzle body have an inclined air outlet gap and form the air outlet, the support plate is provided with a plurality of air-permeable holes arranged at intervals, and the two ends of the air-permeable holes respectively communicate with the inner cavity and the air outlet.

2. The air nozzle of the coating machine for new energy lithium battery production according to claim 1, characterized in that: The ventilation part comprises a plurality of ventilation holes communicating with the baffle cavity, and the plurality of ventilation holes are arranged in a matrix at intervals.

3. The air nozzle of the coating machine for new energy lithium battery production according to claim 1, characterized in that: The baffle comprises a transverse plate portion, two folded plate portions and two connecting plate portions, the two folded plate portions are integrally connected to the front and rear ends of the transverse plate portion respectively, the folded plate portions are bent downward and outward, the connecting plate portions are integrally connected to the lower ends of the corresponding folded plate portions, the connecting plate portions extend inward and transversely, the outer side wall of the folded plate portion and the inner side wall of the nozzle body are provided with the air outlet gap and form the air outlet, and the connecting plate portions are fixedly connected to the upper end of the support plate.

4. The air nozzle of the coating machine for new energy lithium battery production according to claim 3, characterized in that: The connecting plate portions are provided with a plurality of first connecting holes, the front and rear sides of the support plate are both provided with a connecting hole group, the connecting hole group comprises a plurality of second connecting holes, and the first connecting holes and the second connecting holes are connected through connecting screws.

5. The air nozzle of the coating machine for new energy lithium battery production according to claim 4, characterized in that: The outer side of the connecting hole group is provided with a plurality of air-permeable holes on the support plate.

6. The air nozzle of the coating machine for new energy lithium battery production according to claim 1, characterized in that: The front and rear ends of the support plate are both integrally extended downward with positioning plate portions, the positioning plate portions are provided with a plurality of first positioning holes, the front and rear side walls of the nozzle body are both provided with a plurality of second positioning holes, and the first positioning holes and the second positioning holes are connected through locking screws.

7. The air nozzle of the coating machine for new energy lithium battery production according to claim 6, characterized in that: The lower end of the positioning plate portion is concavely provided with a plurality of positioning grooves upward, and the front and rear side walls of the nozzle body are both provided with a plurality of positioning bolts, and the positioning grooves are positioned on the corresponding positioning bolts from top to bottom. 8.The air nozzle of the coating machine for new energy lithium battery production according to claim 1, characterized in that: The nozzle body comprises a body portion, a left side plate and a right side plate, the left side plate is arranged on the left side opening of the body portion, the right side plate is arranged on the right side opening of the body portion, the body portion, the left side plate and the right side plate form the inner cavity, the front and rear ends of the support plate are fixedly connected to the front and rear inner side walls of the body portion respectively, the baffle is exposed to the upper opening of the body portion, the air inlet is arranged on the bottom plate of the body portion, and the front outer side wall of the baffle and the front inner side wall of the body portion and the rear outer side wall of the baffle and the rear inner side wall of the body portion form the air outlet. 9.The air nozzle of the coating machine for new energy lithium battery production according to claim 8, characterized in that: The left side plate and the right side plate are both provided with through holes communicating with the baffle cavity.

10. The air nozzle of the coating machine for new energy lithium battery production according to claim 8, characterized in that: The outer side wall of the left side plate is provided with a positioning buckle, and the outer side wall of the right side plate is provided with a positioning needle.

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