Drying oven tuyere structure for coating machine

Abstract

The utility model discloses a drying oven tuyere structure for a coating machine. The drying oven tuyere structure comprises a tuyere mounting seat and a plurality of nozzle bodies which are arranged at the bottom of the tuyere mounting seat in the length direction, the nozzle body comprises a connecting seat arranged on the tuyere mounting seat, and the connecting seat is further provided with a driving part, a piston arranged at the output end of the driving part, an air inlet and an air outlet, wherein the air inlet and the air outlet are formed in the connecting seat; the air inlet and the air outlet extend into the connecting base and intersect to form a gas circulation channel, the piston is located in the circulation channel, and the size of an air outlet area of the air outlet is adjusted by adjusting the position of the piston. According to the device, the size of the air outlet area of the air outlet hole is specifically adjusted through the air cylinder, then the temperatures of different coating amplitudes of the pole piece are adjusted, and the temperature sensor is matched to detect the pole piece in real time, so that the temperature consistency of the pole piece is better realized, and the smooth production work of the pole piece is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of coating machine ovens, and in particular relates to an oven air nozzle structure for coating machines. Background Art

[0002] The coating process generally refers to a process of evenly coating the stirred slurry on the current collector and drying the solvent in the slurry. The coating effect has an important influence on the battery capacity, internal resistance, cycle life and safety.

[0003] The coating is usually equipped with a drying device, which mainly includes an oven and a nozzle; the oven is provided with an air duct for introducing hot air; the air duct is provided with an air outlet, and the nozzle is fixedly installed at the air outlet of the air duct, which is used to guide the hot air to the substrate to be dried, so as to use the hot air to dry the slurry on the body; the baking effect has a vital influence on the appearance of the electrode and the performance of the battery, and the air outlet area of ​​the air nozzle on the existing oven is fixed, and the air outlet speed of each nozzle is different according to its length from the oven outlet, which will lead to differences in temperature between the electrode areas, thereby reducing the quality of the electrode.

[0004] Therefore, how to ensure the consistency of the electrode temperature during drying is a problem that needs to be solved at present. Utility Model Content

[0005] The purpose of the utility model is to provide an oven air nozzle structure for a coating machine to solve the above-mentioned problems existing in the prior art.

[0006] Technical solution: An oven air nozzle structure for a coating machine, comprising:

[0007] A nozzle mounting seat, and a plurality of nozzle bodies arranged at the bottom and in the length direction of the nozzle mounting seat;

[0008] The nozzle body comprises a connecting seat arranged on the nozzle mounting seat, the connecting seat is also provided with a driving part, a piston arranged at the output end of the driving part, and an air inlet and an air outlet respectively arranged on the connecting seat;

[0009] The air inlet and the air outlet extend into the connection seat and intersect to form a gas circulation channel. The piston is located in the circulation channel. By adjusting the position of the piston, the size of the air outlet area of ​​the air outlet is adjusted;

[0010] The piston is an inverted T-shaped structure;

[0011] The air nozzle mounting seat is provided with a plurality of communicating cavities connected with the nozzle body.

[0012] In a further embodiment, the driving part includes two driving cylinders disposed on the connecting seat, and a driving seat connected to the output ends of the driving cylinders;

[0013] The driving seat is a U-shaped structure;

[0014] The piston is arranged at the bottom of the driving seat.

[0015] In a further embodiment, a mounting seat is further provided on the driving seat, the mounting seat and the piston are located on both sides of the driving seat, and the mounting seat is T-shaped.

[0016] In a further embodiment, an inverted U-shaped groove is provided on the connecting seat, and a spring is provided between the groove and the top of the mounting seat;

[0017] The diameter of the top of the T-mount is larger than the diameter of the spring and is used to deform the spring.

[0018] In a further embodiment, when the piston is away from the air outlet, the air outlet is at the maximum sieve hole;

[0019] When the piston is located in the air outlet, the gas flow direction is between the outer surface of the piston and the inner wall of the air outlet, and the air outlet is the smallest sieve hole at this time.

[0020] In a further embodiment, the connecting seat is detachably mounted on the nozzle mounting seat, and the two are fixed by bolts.

[0021] In a further embodiment, the other ends of the communication cavities in the nozzle mounting base are interconnected and connected to the air outlet of the oven.

[0022] In a further embodiment, a temperature sensor is further provided on the connection base for detecting the temperature of the electrode in the drying area.

[0023] Beneficial effect: The utility model relates to an oven nozzle structure for a coating machine. In order to ensure the consistency of the electrode temperature during drying, a temperature sensor is provided in the device, which can detect the electrode temperature in the detection area in real time. When the detected temperature is different from the preset value, that is, when the temperature difference of different coating widths of the electrode is detected to be greater than 2°C, the driving cylinder starts to work, and the moving driving cylinder can drive the driving seat to move, and the moving driving seat can drive the piston to move, so that the bottom of the piston can be located in the air outlet or away from the air outlet, so that the air outlet volume can be changed, so that the temperature of the electrode can be reduced or increased, and so that the temperature of the electrode can be adjusted, so that the adjustment is stopped when the temperature difference is less than 0.5°C; the device adjusts the size of the air outlet area of ​​the air outlet through the cylinder in a targeted manner, so as to adjust the temperature of different coating widths of the electrode, and is equipped with a temperature sensor to enable it to detect the electrode in real time, so as to better achieve the consistency of the electrode temperature and ensure the smooth progress of the electrode production work. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional diagram of the utility model.

[0025] Figure 2 This is a cross-sectional view of the nozzle body in the utility model.

[0026] The reference numerals in the figure are: nozzle mounting seat 1, nozzle body 2, driving cylinder 21, driving seat 22, mounting seat 23, piston 24, spring 25, air outlet 26, maximum sieve hole 261, minimum sieve hole 262, air inlet 27, connecting seat 28. DETAILED DESCRIPTION

[0027] After the applicant's research and analysis, the reason for this problem (temperature differences between electrode areas) is that the air outlet area of ​​the existing oven is fixed, and the air outlet speeds of each nozzle are different according to the length from the oven outlet, which will lead to temperature differences between electrode areas, thereby reducing the quality of the electrode. In order to ensure the consistency of the electrode temperature during drying, the present invention is provided with a temperature sensor in the device, which can detect the electrode temperature in the detection area in real time. When the detected temperature is different from the preset value, that is, when the temperature difference between different electrode coating widths is detected to exceed 2°C, the driving cylinder starts to work. The moving driving cylinder can drive the driving seat to move, and then the moving driving seat can drive the piston to move, so that the bottom of the piston can be located in the air outlet or away from the air outlet, so that the air outlet volume can be changed, so that the temperature of the pole piece can be reduced or increased, and the temperature of the pole piece can be adjusted, so that the adjustment is stopped when the temperature difference is less than 0.5°C; the device adjusts the size of the air outlet area of ​​the air outlet through the cylinder, so as to adjust the temperature of different coating widths of the pole piece, and is equipped with a temperature sensor to perform real-time detection of the pole piece, so as to better achieve the temperature consistency of the pole piece and ensure the smooth progress of the pole piece production work.

[0028] An oven air nozzle structure for a coating machine includes: an air nozzle mounting seat 1, a nozzle body 2, a driving cylinder 21, a driving seat 22, a mounting seat 23, a piston 24, a spring 25, an air outlet 26, a maximum sieve hole 261, a minimum sieve hole 262, an air inlet 27, and a connecting seat 28.

[0029] The device comprises a nozzle mounting seat 1, and a plurality of nozzle bodies 2 arranged at the bottom and in the length direction of the nozzle mounting seat 1; the nozzle body 2 comprises a connecting seat 28 arranged on the nozzle mounting seat 1, the connecting seat 28 is also provided with a driving part, a piston 24 arranged at the output end of the driving part, and an air inlet 27 and an air outlet 26 respectively arranged on the connecting seat 28; the air inlet 27 and the air outlet 26 extend into the connecting seat 28 and intersect to form a gas circulation channel, and the piston 24 is located in the circulation channel. , by adjusting the position of the piston 24, the size of the air outlet area of ​​the air outlet 26 is adjusted; the piston 24 is an inverted T-shaped structure; the air nozzle mounting seat 1 is provided with a plurality of connecting cavities connected to the nozzle body 2; the driving part includes two driving cylinders 21 arranged on the connecting seat 28, and a driving seat 22 connected to the output end of the driving cylinder 21; the driving seat 22 is a U-shaped structure; the piston 24 is arranged at the bottom of the driving seat 22; when the detected temperature is different from the preset value, the temperature difference of the electrode with different coating width is detected When it exceeds 2°C, the driving cylinder 21 starts to work, and the moving driving cylinder 21 can drive the driving seat 22 to move, and then the moving driving seat 22 can drive the piston 24 to move, so that the bottom of the piston 24 can be located in the air outlet 26 or away from the air outlet 26, so that the air outlet volume of the air outlet 26 can be changed, so that the temperature of the electrode can be reduced or increased, and the temperature of the electrode can be adjusted, so that the adjustment is stopped when the temperature difference is less than 0.5°C; the device adjusts the size of the air outlet area of ​​the air outlet through the cylinder, so as to adjust the temperature of different coating widths of the electrode, and is equipped with a temperature sensor to perform real-time detection of the electrode, so as to better achieve the temperature consistency of the electrode and ensure the smooth progress of the electrode production; the gas passes through the connecting cavity from the air outlet of the oven and is distributed to the air inlet 27 of each nozzle, and then the data detected by the temperature sensor is used to adjust the size of the air outlet area of ​​the air outlet 26, so as to adjust the temperature on the electrode, ensure the consistency of the temperature of the electrode, and avoid the phenomenon of large temperature difference in some areas on the electrode.

[0030] The driving seat 22 is also provided with a mounting seat 23, and the mounting seat 23 and the piston 24 are located on both sides of the driving seat 22, and the mounting seat 23 is T-shaped; it is convenient to squeeze the spring 25, and then adjust the distance between the top of the mounting seat 23 and the bottom of the groove on the driving seat 22, so as to facilitate the adjustment of the position of the piston 24.

[0031] An inverted U-shaped groove is provided on the connecting seat 28, and a spring 25 is provided between the groove and the top of the mounting seat 23; the diameter of the top of the T-shaped mounting seat 23 is larger than the diameter of the spring 25, which is used to deform the spring 25; the friction between the mounting seat 23 and the driving seat 22 is reduced, thereby avoiding damage to the device.

[0032] When the piston 24 is away from the air outlet 26, the air outlet 26 has the largest sieve hole 261; when the piston 24 is located in the air outlet 26, the gas flow direction is between the outer surface of the piston 24 and the inner wall of the air outlet 26, and the air outlet 26 has the smallest sieve hole 262; when the piston 24 is away from the air outlet 26, the air output is the largest, and when the piston 24 is located in the air outlet 26, the air output is the smallest. At this time, the piston 24 can also be set to the shape of a boss, and then with the push of the cylinder, the air outlet area of ​​the air outlet can be gradually adjusted, so that the air outlet area can be gradually reduced.

[0033] The connecting seat 28 is detachably mounted on the nozzle mounting seat 1, and the two are fixed by bolts.

[0034] The other ends of the communicating cavities in the nozzle mounting base 1 are communicated with each other and connected to the air outlet of the oven.

[0035] The connection base 28 is also provided with a temperature sensor for detecting the temperature of the electrode in the drying area.

[0036] Description of working principle: The temperature sensor can detect the temperature of the electrode in the detection area in real time. When the detected temperature is different from the preset value, that is, when the temperature difference of different coating widths of the electrode is detected to be greater than 2°C, the driving cylinder 21 starts to work, and the moving driving cylinder 21 can drive the driving seat 22 to move, and then the moving driving seat 22 can drive the piston 24 to move, so that the bottom of the piston 24 can be located in the air outlet 26 or away from the air outlet 26, so that the air outlet volume of the air outlet 26 can be changed, so that the temperature of the electrode can be reduced or increased, and then the temperature of the electrode can be adjusted, so that the adjustment is stopped when the temperature difference is less than 0.5°C; the device adjusts the size of the air outlet area of ​​the air outlet through the cylinder, so as to adjust the temperature of different coating widths of the electrode, and is equipped with a temperature sensor to enable it to detect the electrode in real time, so as to better achieve the temperature consistency of the electrode and ensure the smooth progress of the electrode production work.

[0037] As described above, although the present invention has been shown and described with reference to specific preferred embodiments, it should not be interpreted as limiting the present invention itself. Various changes can be made to it in form and detail without departing from the spirit and scope of the present invention defined in the appended claims.

Claims

1. An oven air nozzle structure for a coating machine, characterized in that: include: A nozzle mounting seat, and a plurality of nozzle bodies arranged at the bottom and in the length direction of the nozzle mounting seat; The nozzle body comprises a connecting seat arranged on the nozzle mounting seat, the connecting seat is also provided with a driving part, a piston arranged at the output end of the driving part, and an air inlet and an air outlet respectively arranged on the connecting seat; The air inlet and the air outlet extend into the connection seat and intersect to form a gas circulation channel. The piston is located in the circulation channel. By adjusting the position of the piston, the size of the air outlet area of ​​the air outlet is adjusted; The piston is an inverted T-shaped structure; The air nozzle mounting seat is provided with a plurality of communicating cavities connected with the nozzle body.

2. The oven air nozzle structure for a coating machine according to claim 1, characterized in that: The driving part includes two driving cylinders arranged on the connecting seat, and a driving seat connected to the output end of the driving cylinder; The driving seat is a U-shaped structure; The piston is arranged at the bottom of the driving seat.

3. The oven air nozzle structure for a coating machine according to claim 2, characterized in that: A mounting seat is also provided on the driving seat. The mounting seat and the piston are located on both sides of the driving seat. The mounting seat is T-shaped.

4. The oven air nozzle structure for a coating machine according to claim 3, characterized in that: The connecting seat is provided with an inverted U-shaped groove, and a spring is provided between the groove and the top of the mounting seat; The diameter of the top of the T-mount is larger than the diameter of the spring and is used to deform the spring.

5. The oven air nozzle structure for a coating machine according to claim 4, characterized in that: When the piston is away from the air outlet, the air outlet has the largest sieve hole; When the piston is located in the air outlet, the gas flow direction is between the outer surface of the piston and the inner wall of the air outlet, and the air outlet is the smallest sieve hole at this time.

6. The oven air nozzle structure for a coating machine according to claim 1, characterized in that: The connecting seat is detachably mounted on the air nozzle mounting seat, and the two are fixed by bolts.

7. The oven air nozzle structure for a coating machine according to claim 1, characterized in that: The other end of the communicating cavity in the air nozzle mounting seat is communicated with each other and connected to the air outlet of the oven.

8. The oven air nozzle structure for a coating machine according to claim 1, characterized in that: The connection base is also provided with a temperature sensor for detecting the temperature of the pole piece in the drying area.

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