CN220719541U - Film slitting and soot blowing mechanism - Google Patents
Film slitting and soot blowing mechanism Download PDFInfo
- Publication number
- CN220719541U CN220719541U CN202321823631.4U CN202321823631U CN220719541U CN 220719541 U CN220719541 U CN 220719541U CN 202321823631 U CN202321823631 U CN 202321823631U CN 220719541 U CN220719541 U CN 220719541U
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- CN
- China
- Prior art keywords
- adjusting
- dust
- seat
- film
- soot blowing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007664 blowing Methods 0.000 title claims abstract description 48
- 230000007246 mechanism Effects 0.000 title claims abstract description 21
- 239000004071 soot Substances 0.000 title claims description 36
- 239000000428 dust Substances 0.000 claims abstract description 122
- 238000009434 installation Methods 0.000 claims description 11
- 238000000605 extraction Methods 0.000 claims 2
- 238000005520 cutting process Methods 0.000 abstract description 19
- 230000007547 defect Effects 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model discloses a film slitting and blowing mechanism in the field of conductive film slitting accessories, which comprises a mounting seat and a blowing part, wherein the mounting seat and the blowing part are arranged on a cutter shaft on one side of a passing roller, a film bypasses the passing roller and is slit on the passing roller, the blowing part comprises an air outlet pipe and an air tap positioned at the front end of the air outlet pipe, the air tap is positioned on one side of a slitting position of the film, the air tap faces the outer side of the width of the film, and the air outlet pipe is connected with the mounting seat through a blowing adjusting component. The utility model overcomes the defect that the existing dust removing device can not remove dust on dust at the cutting position of the conductive film and dust on the cutting knife, ensures that dust blowing is more targeted through the arrangement of the air hose and the air nozzle mounting position, reduces the contact between the cutting knife and the dust, prevents the cutting knife from being scratched by the dust, prolongs the service life of the cutting knife, simultaneously can avoid the dust from being adsorbed on the conductive film, and improves the cost and quality of the film.
Description
Technical Field
The utility model relates to the field of conductive film slitting accessories, in particular to a film slitting and soot blowing mechanism.
Background
The conductive film is a high polymer material with a metal plated on the surface, and is widely applied to lithium ion batteries, wherein the conductive film is mainly used as a battery current collector. After the production of the conductive film is completed, the edge part can be cut off due to low evaporation quality, more dust is adsorbed on the conductive film and even the cutting knife in the cutting process, the quality of the conductive film is influenced, and the service life of the cutting knife is also influenced.
In order to avoid dust influence, the existing dust removing device which can be applied to slitting equipment, for example, the patent of the utility model of the patent publication No. CN 203245926U discloses a dust removing device of a slitting machine, wherein a fan is connected to a supporting shaft between a flattening roller and a cutting mechanism, the supporting shaft is arranged in a hollow mode, in the using process, the fan is started, dust is sucked to a film through the hollow supporting shaft and a roller, and the dust is sucked into a small hole of the roller, so that the dust is discharged by the fan.
The structure is used for carrying out dust removal treatment on the whole film, however, the conductive film mainly generates dust at the slitting position during slitting, and the dust is mainly adsorbed on the slitting knife or the edge position of the conductive film and does not influence the middle part of the conductive film. Therefore, the dust removing device has no pertinence, and dust at the parting knife and the parting position cannot be removed, so that the dust adsorbed on the parting knife affects the service life of the parting knife, and meanwhile, affects the quality of a finished product of the conductive film.
The defects are worth improving.
Disclosure of Invention
The utility model provides a film slitting and soot blowing mechanism, which overcomes the defect that the conventional dust removing device cannot remove dust at a slitting position of a conductive film and dust on a slitting knife in a targeted manner, so that the service life of the slitting knife is influenced, and the quality of a finished conductive film product is influenced, so that the dust removal is more targeted.
The technical scheme of the utility model is as follows:
the utility model provides a soot blowing mechanism is cut to film which characterized in that includes:
the mounting seat is arranged on the cutter shaft at one side of the passing roller, and the film bypasses the passing roller and is cut on the passing roller;
the soot blowing part comprises an air outlet pipe and an air tap positioned at the front end of the air outlet pipe, the air tap is positioned at one side of the slitting position of the film, the air tap faces the outer side of the breadth of the film, and the air outlet pipe is connected with the mounting seat through a soot blowing adjusting component.
The utility model according to the scheme is characterized in that the mounting seat comprises a mounting clamping seat and a locking bolt, and the mounting clamping seat is locked and mounted on the cutter shaft through the locking bolt.
The utility model according to the above scheme is characterized in that the soot blowing adjusting assembly comprises a first adjusting seat, a second adjusting seat and an adjusting bolt:
the first adjusting seat is fastened on the mounting seat through a first adjusting locking piece, and the first adjusting locking piece is used for adjusting the mounting angle of the first adjusting seat on the mounting seat;
the second adjusting seat is fastened on the second adjusting seat through a second adjusting locking piece, and the second adjusting locking piece is used for adjusting the installation angle of the second adjusting seat on the first adjusting seat;
the air outlet pipe is fastened on the second adjusting seat through the adjusting bolt, and the adjusting bolt is used for adjusting the extension length of the air outlet pipe on the second adjusting seat.
Further, the first adjusting locking piece comprises a first adjusting nut and a first adjusting column protruding out of the mounting seat, and the end part of the first adjusting column penetrates through the first adjusting seat and then is in spiral connection with the first adjusting nut.
Further, the second adjusting locking piece comprises a second adjusting nut and a second adjusting column protruding out of the first adjusting seat, and the end part of the second adjusting column penetrates through the second adjusting seat and is in spiral connection with the second adjusting nut.
The utility model according to the scheme is characterized in that one side of the air tap is provided with a static eliminating rod.
The utility model according to the above scheme is characterized by further comprising a dust collection part, wherein the dust collection part comprises a dust collection box, the dust collection box is positioned at the outer side of the film slitting position, and the dust collection side of the dust collection box faces the film.
Further, a collection cavity is arranged on one dust collection side of the dust collection box, a dust collection cavity is arranged in the dust collection box, the dust collection cavity is communicated with the collection cavity, and the dust collection cavity is connected with a negative pressure air suction device.
Further, the dust collection part further comprises a third adjusting seat, and the dust collection box is installed on the installation seat through the third adjusting seat.
Furthermore, one end of the third adjusting seat is connected with the dust collection box and locked, and the other end of the third adjusting seat is hinged with the mounting seat.
According to the scheme, the air outlet pipe and the air nozzle are arranged at the side of the cutting position of the conductive film through the mounting seat, and the air nozzle faces the outer side of the width of the film, so that dust generated during cutting of the conductive film can be blown to the outer side of the conductive film, dust blowing is more targeted, contact between the cutting knife and the dust is reduced, the cutting knife is prevented from being scratched by the dust, the service life of the cutting knife is prolonged, dust can be prevented from being adsorbed on the conductive film, and the cost and quality of the film are improved.
The utility model is also provided with the dust suction part which is used for sucking the dust blown to the outer side of the film, so that the effective collection of the dust is realized, and the influence on the film production environment due to the fact that the dust is scattered everywhere is avoided. Meanwhile, the setting position of the dust collection part can effectively fit with the turning shape of the slitting position of the film, so that dust at the slitting position can be better collected.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is an exploded view of the connection of the soot blower and dust collector to the arbor and roller;
FIG. 4 is an exploded view of the connection of the sootblower and suction sections of the present utility model;
FIG. 5 is a schematic diagram of the connection of the soot blower with the arbor and roller;
fig. 6 is a schematic view of the connection of the dust suction part and the cutter shaft and the roller.
In the drawings, the respective reference numerals are:
10. a mounting base;
11. a locking bolt; 12. a rotating shaft;
20. a soot blowing part;
21. an air tap; 211. a static removing rod; 212. an air outlet hole; 22. an air outlet pipe; 23. a first adjustment seat; 231. a first adjustment column; 232. a first adjustment nut; 24. a second adjusting seat; 241. a second adjustment column; 242. a second adjustment nut; 243. an adjusting bolt;
30. a dust collection part;
31. a dust collection box; 311. an arc-shaped groove; 312. a collection chamber; 313. a partition plate; 314. a communication groove; 315. a connection port; 32. a third adjusting seat; 321. a third adjustment column; 322. a third adjustment nut; 323. a turning hole; 33. a support plate;
40. a cutter shaft;
50. passing through a roller;
60. a film.
Detailed Description
The utility model is further described below with reference to the drawings and embodiments:
as shown in fig. 1 to 6, the utility model aims to overcome the defect that the existing dust removing device cannot remove dust at the cutting position of the conductive film and dust on the cutting knife in a targeted manner, so that the service life of the cutting knife is further influenced, and the quality of a finished product of the conductive film is influenced, so that the dust removal is more targeted, and therefore, the film cutting and soot blowing mechanism is provided.
When the film is slit, the film passes around the passing roller 50 and is slit on the passing roller 50. Based on the above, the film slitting and soot blowing mechanism comprises a mounting seat 10 and a soot blowing part 20 which are arranged on a cutter shaft 40 at one side of a roller 50; in addition, in order to collect dust after soot blowing, the film slitting soot blowing mechanism of the utility model can also comprise a dust suction part 30, and whether the dust suction part 30 is installed or not can be selected according to requirements. The cutters during slitting of the film are also mounted on the cutter shafts 40 so that the cutters can be accurately aligned with the slitting locations of the film 60.
As shown in fig. 1, since the edges on the left and right sides of the film feeding direction need to be cut during film slitting, the film slitting and blowing mechanisms in the present utility model are respectively located on the left and right sides of the film feeding direction of the film 60.
1. Mounting base 10
The mounting seat 10 comprises a mounting clamping seat and a locking bolt 11, and the mounting clamping seat is locked and mounted on the cutter shaft 40 through the locking bolt 11.
The mounting seat 10 is slidably arranged on the cutter shaft 40, and the locking bolt 11 is screwed down after the mounting position of the mounting seat 10 is determined, so that the mounting seat 10 is fastened at a required position.
2. Soot blowing section 20
The soot blowing part 20 comprises an air outlet pipe 22 and an air tap 21 positioned at the front end of the air outlet pipe 22. In order to prevent the blown gas from affecting the film 60 and the cutter, dried nitrogen gas may be selected as the gas blown out from the gas outlet pipe 22 and the gas nozzle 21. In order to avoid electrostatic adsorption of dust at the film slitting position, one side of the air tap 21 in the utility model is provided with an electrostatic removing rod 211, and the electrostatic removing rod 211 faces the film slitting position.
Preferably, the tail end of the air outlet pipe 22 is connected with an air supply device through a hose, and the air supply device sequentially blows air to the slitting position of the film 60 through the hose, the air outlet pipe 22 and the air tap 21 so as to realize the soot blowing function. In addition, the front end of the air tap 21 is provided with an air outlet hole 212, the air outlet hole 212 is a strip-shaped air groove, and the length direction of the air outlet hole 212 extends along the radian direction of the passing roller 50, so that the air blown out from the air outlet hole 212 is more uniformly blown to the surface of the passing roller 50.
According to the utility model, the air tap 21 is positioned at one side of the slitting position of the film 60, and the air tap 21 faces the width outside of the film 60, so that dust generated at the slitting position of the film 60 can be blown away to the width outside of the film 60 when the air tap 21 blows, and the influence of the dust on the film quality is avoided.
In order to adapt to the installation position of the roller 50 and the cutter shaft 40, the air outlet pipe 22 is connected with the installation seat 10 through a soot blowing adjusting assembly, and the blowing direction and the blowing distance of the air nozzle 21 can be adjusted through the soot blowing adjusting assembly. In a specific implementation process, the soot blowing adjusting assembly comprises a first adjusting seat 23, a second adjusting seat 24 and an adjusting bolt 243, and the position and the distance of the air tap 21 in different directions are respectively adjusted.
Specific: the first adjusting seat 23 is fastened on the mounting seat 10 through a first adjusting locking member, and the first adjusting locking member is used for adjusting the mounting angle of the first adjusting seat 23 on the mounting seat 10; the second adjusting seat 24 is fastened to the second adjusting seat 24 through a second adjusting locking member, and the second adjusting locking member is used for adjusting the installation angle of the second adjusting seat 24 on the first adjusting seat 23; the air outlet pipe 22 is fastened to the second adjusting seat 24 by an adjusting bolt 243, and the adjusting bolt 243 is used for adjusting the extension length of the air outlet pipe 22 on the second adjusting seat 24.
In order to achieve the fastening connection of the first adjusting seat 23, the second adjusting seat 24 and the adjusting bolt 243 after adjusting the positions, the first adjusting and locking member in this embodiment includes a first adjusting nut 232 and a first adjusting post 231 protruding from the mounting seat 10, and the end portion of the first adjusting post 231 passes through the first adjusting seat 23 and is screwed with the first adjusting nut 232. The first adjusting post 231 protrudes from the top of the mounting base 10, and after the extending direction of the air outlet pipe 22 is adjusted, the first adjusting nut 232 is screwed, so that the first adjusting nut 232 fastens the first adjusting base 23 on the mounting base 10.
Similar to this structure, the second adjusting and locking member includes a second adjusting nut 242 and a second adjusting post 241 protruding from the first adjusting seat 23, and an end portion of the second adjusting post 241 passes through the second adjusting seat 24 and is screwed with the second adjusting nut 242. The second adjusting post 241 protrudes from the side of the first adjusting seat 23, and after the pitch angle of the air outlet pipe 22 is adjusted, the second adjusting nut 242 is screwed, so that the second adjusting nut 242 fastens the second adjusting seat 24 on the first adjusting seat 23.
In addition, the inner end of the adjusting bolt 243 passes through the second adjusting seat 24 and abuts against the air outlet pipe 22, and after the extension length of the air outlet pipe 22 is adjusted, the adjusting bolt 243 is screwed, so that the adjusting bolt 243 fastens the air outlet pipe 22 to the second adjusting seat 24.
Based on the above structure, the extension direction, the pitching angle and the extension length of the air outlet pipe 22 can be respectively adjusted by the first adjusting seat 23, the second adjusting seat 24 and the adjusting bolt 243 so as to adapt to cutter shafts 40 and passing rollers 50 with different mounting distances.
3. Dust suction part 30
The dust blowing part 20 is arranged at the position of the film 60 to blow away dust, and the dust sucking part 30 is arranged at the side of the position of the film 60 to prevent the blown dust from affecting the whole environment of the film.
The dust suction part 30 includes a dust suction box 31, the dust suction box 31 is located at the outer side of the slitting position of the film 60, and the dust suction side of the dust suction box 31 faces the film 60. The dust absorption side of dust absorption box 31 is equipped with collection chamber 312, and the inside of dust absorption box 31 is equipped with the dust absorption chamber, and the dust absorption chamber communicates with collection chamber 312, and the dust absorption chamber is connected with negative pressure getter device. When the negative pressure suction device sucks air, the collection cavity 312 forms a negative pressure state so as to suck dust in the collection cavity 312 into the collection cavity 312. Preferably, a connection port 315 is arranged on one side of the dust collection box 31 away from dust collection, the dust collection cavity is connected with the negative pressure suction device through the connection port 315, and the position of the connection port 315 does not influence the dust collection effect of the collection cavity 312.
In this embodiment, a plurality of separators 313 are disposed between the dust collection chamber and the collection chamber 312, and two adjacent separators 313 are spaced apart from each other to form a communication slot 314, so that the dust collection chamber is communicated with the collection chamber 312 through the communication slot 314. Preferably, each communicating groove 314 is in a fan-shaped distribution, so that the suction force is more uniform, and the uniform stress of dust is facilitated.
Preferably, the underside of the suction box 31 is provided with an arc-shaped groove 311, and the arc-shaped groove 311 is matched with the surface of the passing roller 50, so that the suction box 31 is placed on the surface of the passing roller 50 through the arc-shaped groove 311.
In order to realize the matched installation between the dust collection part 30 and the soot blowing part 20, the dust collection part 30 in the utility model further comprises a third adjusting seat 32, and the dust collection box 31 is installed on the installation seat 10 through the third adjusting seat 32, so that the dust collection part 30 and the soot blowing part 20 are both installed on the installation seat 10. Specifically, one end of the third adjusting seat 32 is connected with the dust collection box 31 and locked, and the other end is hinged with the mounting seat 10, so as to realize adjustment of the mounting angle of the dust collection box 31.
Specifically, one end of the third adjusting seat 32 is provided with a third adjusting post 321 protruding, and the third adjusting post 321 is connected with a third adjusting nut 322 after passing through the dust collection box 31 and is used for locking and connecting the dust collection box 31 with the third adjusting seat 32, and when the installation angle of the dust collection box 31 is adjusted, the third adjusting nut 322 is screwed down, so that the third adjusting box 31 is locked on the third adjusting seat 32. Preferably, one end of the third adjusting seat 32 is provided with a supporting disc 33, the dust collection box 31 is arranged on the supporting disc 33 and is in locking connection with the supporting disc 33, and the third adjusting seat 32 is supported by the supporting disc 33, so that stable installation of the dust collection box 31 is facilitated.
In addition, the other end of the third adjusting seat 32 is provided with a rotating hole 323, the mounting seat 10 is provided with a rotating shaft 12 corresponding to the position of the rotating hole 323, and the rotating shaft 12 passes through the rotating hole 323 and is connected with the third adjusting seat 32, so that the angle rotation of the rotating shaft 12 and the angle rotation of the third adjusting post 321 can realize the determination of the mounting angle of the dust collection box 31 and the adjustment of the distance between the dust collection box 31 and the mounting seat 10.
Preferably, the third adjusting seat 32 in this embodiment is L-shaped, and its tail end extends upward and is connected to the supporting plate 33.
Before the film is rolled after being cut, the blowing pipe is used for obliquely blowing air to the outer side of the width of the film, and the dust collection box is used for timely collecting the dust, so that dust generated in cutting is blown away, dust mixed in the end face of the film rolled up is reduced, the quality of the film is improved, dust on a cutter is timely blown away, the cutter is prevented from being scraped by the dust, and the service life of the cutter is prolonged.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the implementation of the utility model is not limited by the above manner, and it is within the scope of the utility model to apply the inventive concept and technical solution to other situations as long as various improvements made by the inventive concept and technical solution are adopted, or without any improvement.
Claims (10)
1. The utility model provides a soot blowing mechanism is cut to film which characterized in that includes:
the mounting seat is arranged on the cutter shaft at one side of the passing roller, and the film bypasses the passing roller and is cut on the passing roller;
the soot blowing part comprises an air outlet pipe and an air tap positioned at the front end of the air outlet pipe, the air tap is positioned at one side of the slitting position of the film, the air tap faces the outer side of the breadth of the film, and the air outlet pipe is connected with the mounting seat through a soot blowing adjusting component.
2. The film slitting and soot blowing mechanism of claim 1, wherein the mounting base comprises a mounting clamping base and a locking bolt, and the mounting clamping base is locked and mounted on the cutter shaft through the locking bolt.
3. The film slitting soot blowing mechanism of claim 1, wherein the soot blowing adjustment assembly comprises a first adjustment seat, a second adjustment seat, an adjustment bolt:
the first adjusting seat is fastened on the mounting seat through a first adjusting locking piece, and the first adjusting locking piece is used for adjusting the mounting angle of the first adjusting seat on the mounting seat;
the second adjusting seat is fastened on the second adjusting seat through a second adjusting locking piece, and the second adjusting locking piece is used for adjusting the installation angle of the second adjusting seat on the first adjusting seat;
the air outlet pipe is fastened on the second adjusting seat through the adjusting bolt, and the adjusting bolt is used for adjusting the extension length of the air outlet pipe on the second adjusting seat.
4. The film slitting and soot blowing mechanism according to claim 3, wherein the first adjusting and locking member comprises a first adjusting nut and a first adjusting column protruding from the mounting seat, and an end portion of the first adjusting column passes through the first adjusting seat and is in screw connection with the first adjusting nut.
5. The film slitting and soot blowing mechanism according to claim 3, wherein the second adjusting locking member comprises a second adjusting nut and a second adjusting column protruding from the first adjusting seat, and an end portion of the second adjusting column passes through the second adjusting seat and is in screw connection with the second adjusting nut.
6. The film slitting and soot blowing mechanism of claim 1, wherein one side of the air tap is provided with a static-removing rod.
7. The film slitting and blowing mechanism according to claim 1, further comprising a dust suction portion including a dust suction box, the dust suction box being located outside the film slitting location with a dust suction side of the dust suction box facing the film.
8. The film slitting and soot blowing mechanism according to claim 7, wherein a collecting cavity is arranged on the dust collecting side of the dust collecting box, a dust collecting cavity is arranged in the dust collecting box, the dust collecting cavity is communicated with the collecting cavity, and the dust collecting cavity is connected with a negative pressure air suction device.
9. The film slitting soot blowing mechanism of claim 7, wherein the dust extraction section further comprises a third adjustment seat, the dust extraction cartridge being mounted on the mounting seat by the third adjustment seat.
10. The film slitting soot blowing mechanism of claim 9, wherein one end of the third adjusting seat is connected and locked with the dust collection box and the other end thereof is hinged with the mounting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321823631.4U CN220719541U (en) | 2023-07-11 | 2023-07-11 | Film slitting and soot blowing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321823631.4U CN220719541U (en) | 2023-07-11 | 2023-07-11 | Film slitting and soot blowing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220719541U true CN220719541U (en) | 2024-04-05 |
Family
ID=90494311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321823631.4U Active CN220719541U (en) | 2023-07-11 | 2023-07-11 | Film slitting and soot blowing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220719541U (en) |
-
2023
- 2023-07-11 CN CN202321823631.4U patent/CN220719541U/en active Active
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