CN115991405A - Winding device of diaphragm dividing and cutting machine and dividing and cutting machine - Google Patents
Winding device of diaphragm dividing and cutting machine and dividing and cutting machine Download PDFInfo
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- CN115991405A CN115991405A CN202310218792.9A CN202310218792A CN115991405A CN 115991405 A CN115991405 A CN 115991405A CN 202310218792 A CN202310218792 A CN 202310218792A CN 115991405 A CN115991405 A CN 115991405A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 30
- 238000004804 winding Methods 0.000 title claims abstract description 26
- 239000000428 dust Substances 0.000 claims description 92
- 239000002390 adhesive tape Substances 0.000 claims description 18
- 238000003825 pressing Methods 0.000 claims description 16
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 238000010073 coating (rubber) Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 9
- 239000010935 stainless steel Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013072 incoming material Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- 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
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Abstract
The invention aims to disclose a winding device of a diaphragm dividing and cutting machine and the dividing and cutting machine, which comprise a first rubber covered roller and a second rubber covered roller which are symmetrically arranged, wherein the first rubber covered roller is driven by a first servo motor, and the second rubber covered roller is driven by a second servo motor; the linear speed of the diaphragm dividing and cutting machine is v, the linear speed of the first servo motor driving the first rubber covered roller is (0.99-1.01) v, the linear speed of the second servo motor driving the second rubber covered roller is (0.99-1.01) v, compared with the prior art, the invention has the following technical effects: the first rubber covered roller and the second rubber covered roller which are symmetrically arranged replace the existing stainless steel roller, so that the hardness of the surface of the roller is reduced, when the two ends of the single-roll diaphragm are not flush, different pressures are applied to the two ends of the single-roll diaphragm, the surface size of the rubber covered roller is changed, the tension applied to the two sides of the diaphragm is changed, and the two ends of the diaphragm are ensured to be flush.
Description
Technical Field
The invention relates to the technical field of battery diaphragm manufacturing, in particular to a diaphragm dividing and cutting machine winding device and a dividing and cutting machine.
Background
The separator slitting machine for the small-width battery is suitable for slitting a separator roll with the incoming material width exceeding 1000mm into a separator roll with the width of 40-300 mm. When small and wide slitting is performed, the end faces of the slit single-roll diaphragm materials need to be flush, concave collapse edges do not occur on the diaphragm faces, and therefore the precision of the slitting machine is very high.
At present, a winding roller adopted by a winding part of a small-width battery diaphragm dividing and cutting machine is a stainless steel roller, and the main problems of the winding roller are that the surface precision and parallelism of the stainless steel roller are very high, the processing difficulty is high and the cost is high; in addition, when the end face of the diaphragm roll is irregular, the surface flatness of the stainless steel roller, the parallelism with other rollers and the like cannot be adjusted, and the slitting of the diaphragm with high precision and small width cannot be adapted.
In view of the foregoing, there is a need for a winding device of a diaphragm dividing and cutting machine and a dividing and cutting machine that overcome the above-mentioned drawbacks.
Disclosure of Invention
In order to solve the technical problems, the invention aims to disclose a winding device of a diaphragm dividing and cutting machine and aims to ensure that two ends of a diaphragm coil with small width are level by replacing an existing stainless steel roller with a rubber covered roller and independently arranging a servo motor for the rubber covered roller and then adjusting the linear speed of the rubber covered roller through pressure adjustment of a pinch roller and the servo motor.
The first invention aims to develop a winding device of a diaphragm cutting machine.
The second invention aims to develop a small-width battery diaphragm dividing and cutting machine.
In order to achieve the first aim, the invention provides a winding device of a diaphragm dividing and cutting machine, which comprises a first rubber covered roller and a second rubber covered roller which are symmetrically arranged, wherein the first rubber covered roller is driven by a first servo motor, and the second rubber covered roller is driven by a second servo motor;
the linear speed of the diaphragm dividing and cutting machine is v, the linear speed of the first servo motor driving the first rubber covered roller is (0.99-1.01) v, and the linear speed of the second servo motor driving the second rubber covered roller is (0.99-1.01) v.
Preferably, the device further comprises a rolling unit, wherein the rolling unit comprises a first pressing wheel, a second pressing wheel and a diaphragm coil clamped between the first pressing wheel and the second pressing wheel;
the first pinch roller is arranged on a first swing arm, the first swing arm is hinged to the first sliding seat, a first air cylinder is arranged on the first sliding seat, and the first air cylinder drives a protruding part of the first swing arm by taking the first sliding seat as a fulcrum;
the second pressing wheel is arranged on a second swinging arm, the second swinging arm is hinged to the second sliding seat, a second air cylinder is arranged on the second sliding seat, and the second air cylinder drives a protruding part of the second swinging arm by taking the second sliding seat as a fulcrum;
the first sliding seat and the second sliding seat are arranged on the sliding table.
Preferably, the first cylinder is controlled by a first solenoid valve and the second cylinder is controlled by a second solenoid valve.
Preferably, the first servo motor drives the first rubber covered roller through a first harmonic speed reducer; the second servo motor drives the second rubber coating roller through a second harmonic speed reducer.
Preferably, the first rubber covered roller is provided with a first dust-binding component, and the second rubber covered roller is provided with a second dust-binding component.
Preferably, the first dust-binding component comprises a first dust-binding roller and a second dust-binding roller, the surface of the second dust-binding roller is wrapped with dust-binding adhesive tapes which are arranged in a stacked mode, and the dust-binding adhesive tapes are connected through point tangent lines.
Preferably, the second dust-binding component comprises a third dust-binding roller and a fourth dust-binding roller, the surface of the fourth dust-binding roller is wrapped with dust-binding adhesive tapes which are arranged in a stacked mode, and the dust-binding adhesive tapes are connected through point tangent lines.
Preferably, the surface shore hardness of the first rubber covered roller and the second rubber covered roller is 50-65.
Preferably, air cylinders are respectively arranged at two ends of the second dust-binding roller, and the air cylinders drive the second dust-binding roller to contact or separate from the first dust-binding roller.
Based on the same principle of the invention, in order to achieve the second object, the invention provides a small-width battery diaphragm dividing and cutting machine, which comprises a diaphragm dividing and cutting machine winding device.
Compared with the prior art, the invention has the following technical effects:
(1) The first rubber covered roller and the second rubber covered roller which are symmetrically arranged replace the existing stainless steel roller, so that the hardness of the surface of the roller is reduced, when the two ends of the single-roll diaphragm are not flush, different pressures are applied to the two ends of the single-roll diaphragm, the surface size of the rubber covered roller is changed, the tension applied to the two sides of the diaphragm is changed, the two ends of the diaphragm are ensured to be flush, and the surface hardness of the rubber covered roller is lower, so that a foundation is provided for adjusting the surface size of the single-roll diaphragm through the pressure.
(2) The first rubber covered roller and the second rubber covered roller are driven by the first servo motor and the second servo motor respectively, so that the linear speeds of the first rubber covered roller and the second rubber covered roller can be finely adjusted, and the adjustment range is 0.99-1.01 times of the slitting linear speed, namely the linear speeds of the first rubber covered roller and the second rubber covered roller are used for finely adjusting the tension of a diaphragm, and the arrangement provides a basis for guaranteeing the appearance end surface of the diaphragm coil to be flush by finely adjusting the linear speeds of the first rubber covered roller and the second rubber covered roller.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a winding device of the present invention.
Fig. 2 is a schematic diagram of the driving principle of the winding device of the present invention.
FIG. 3 is a schematic perspective view of the dust-sticking roller and the cylinder of the invention.
Fig. 4 is a schematic perspective view of a winding unit of the winding device of the present invention.
Wherein, 1, a first rubber covered roller; 11. a first dust-binding component; 111. a first dust-sticking roller; 112. a second dust-sticking roller; 113. a cylinder; 2. a second rubber coating roller; 21. a second dust-binding component; 211. a third dust-sticking roller; 212. a fourth dust-sticking roller; 3. a first servo motor; 31. a first harmonic reducer; 4. a second servo motor; 41. a second harmonic reducer; 5. a first pinch roller; 51. a first swing arm; 511. a protruding portion; 52. a first slider; 53. a first cylinder; 6. a second pinch roller; 61. a second swing arm; 611. a protruding portion; 62. a second slider; 63. a second cylinder; 7. a sliding table.
Detailed Description
The present invention will be described in detail below with reference to the embodiments shown in the drawings, but it should be understood that the embodiments are not limited to the present invention, and functional, method, or structural equivalents and alternatives according to the embodiments are within the scope of protection of the present invention by those skilled in the art.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1
Referring to fig. 1 to 4, this embodiment discloses a specific embodiment of a winding device of a diaphragm dividing and cutting machine.
The winding device of the diaphragm dividing and cutting machine is shown with reference to fig. 1 to 4 and comprises a first rubber covered roller 1 and a second rubber covered roller 2 which are symmetrically arranged, wherein the first rubber covered roller 1 is driven by a first servo motor 3, and the second rubber covered roller 2 is driven by a second servo motor 4; the linear speed of the diaphragm dividing and cutting machine is v, the linear speed of the first servo motor 3 driving the first rubber covered roller 1 is (0.99-1.01) v, and the linear speed of the second servo motor 4 driving the second rubber covered roller 2 is (0.99-1.01) v.
Specifically, the wind-up roll of the existing small-width battery diaphragm dividing and cutting machine is made of stainless steel and cannot be independently regulated in speed, so that two ends of a rolled diaphragm are not flush, the appearance is not attractive, in order to achieve flush and attractive end faces of the diaphragm, the requirements on the machining precision and parallelism of the stainless steel roll of the existing small-width battery diaphragm dividing and cutting machine are very high, the cost of a single dividing and cutting machine is high, and in order to overcome the defects, the technical scheme adopted in the embodiment is as follows, as shown in fig. 1 and 2: the first rubber covered roller 1 and the second rubber covered roller 2 which are symmetrically arranged are adopted, so that the cut small-width diaphragms are wound at intervals in a crossed mode, the Shore hardness of the surfaces of the first rubber covered roller 1 and the second rubber covered roller 2 is 50-65, the texture is softer, and deformation is easy to generate under pressure; meanwhile, the first rubber covered roller 1 and the second rubber covered roller 2 are respectively driven by the first servo motor 3 and the second servo motor 4, so that the linear speed of the first rubber covered roller 1 is (0.99-1.01) times of the slitting linear speed, and the linear speed of the second rubber covered roller 2 is (0.99-1.01) times of the slitting linear speed, for example, when an operator finds that the end faces of the small and wide diaphragm rolls are not flush, the linear speed of the first servo motor 3 or the second servo motor 4 can be adjusted, for example, the slitting linear speed of 1.005 times is rolled, so that the linear speed of the first rubber covered roller 1 or the second rubber covered roller 2 is slightly greater than the slitting linear speed, and the end face flush degree and the attractive degree of the small and wide diaphragm rolls are improved.
Besides adopting the above-mentioned rubber covered roller and the technical scheme of adjustment linear velocity, this embodiment still adopts the applied pressure to change rubber covered roller surface shape and size, is equivalent to adjusting rubber covered roller's parallelism, and then changes the tension of diaphragm both sides, realizes the equal tension rolling in each point of diaphragm, prevents that the diaphragm from rolling up the both ends and appearing uneven phenomenon, and concrete technical scheme is as follows: referring to fig. 1 and 4, a winding unit is respectively arranged at one side of a first rubber covered roller 1 and one side of a second rubber covered roller 2, taking the winding unit at the side of the first rubber covered roller 1 as an example, the winding unit comprises a first pressing wheel 5, a second pressing wheel 6 and a diaphragm coil clamped between the first pressing wheel 5 and the second pressing wheel 6; the first pressing wheel 5 is disposed on the first swing arm 51, the first swing arm 51 is hinged to the first sliding seat 52, a first cylinder 53 is disposed on the first sliding seat 52, the first cylinder 53 drives the protrusion 511 of the first swing arm 51 with the first sliding seat 52 as a fulcrum, so that the first swing arm 51 contacts with or is far away from the first rubber covered roller 1, when an operator observes that the flatness of the end surface of the diaphragm is insufficient, for example, when the pressure of the first pressing wheel 5 to the first rubber covered roller 1 needs to be increased, the output force of the first cylinder 53 is adjusted, so that the local pressure of the first rubber covered roller 1 close to the first pressing wheel 5 is increased to deform, and the flatness of the end surface of the diaphragm coil is adjusted; the second pressing wheel 6 is disposed on the second swinging arm 61, the second swinging arm 61 is hinged to the second sliding seat 62, a second air cylinder 63 is disposed on the second sliding seat 62, the second air cylinder 63 drives a protrusion 611 of the second swinging arm 61 with the second sliding seat 62 as a fulcrum, so that the second swinging arm 61 contacts with or is far away from the second rubber covered roller 2, when an operator observes that the flatness of the end surface of the diaphragm is insufficient, for example, when the pressure of the second pressing wheel 6 to the second rubber covered roller 2 needs to be increased, the output force of the second air cylinder 63 is adjusted, so that the local pressure of the second rubber covered roller 2 close to the second pressing wheel 6 is increased to deform, and the flatness of the end surface of the diaphragm coil is adjusted; the first sliding seat 52 and the second sliding seat 63 are arranged on the sliding table 7; through this embodiment, the first air cylinder 53 is controlled by the first electromagnetic valve, the second air cylinder 63 is controlled by the second electromagnetic valve, that is, each air cylinder is controlled by an independent electromagnetic valve, different pressures are applied to the two ends of the diaphragm coil, and the diaphragm coil and the deformed rubber covered roller are kept parallel by changing the shape of the rubber covered roller, so that the end face of the diaphragm coil is flush and attractive.
Compared with the existing stainless steel wind-up roll with high processing requirements on processing precision and parallelism, the technical scheme of the embodiment can be flexibly adjusted according to actual conditions, and the manufacturing cost and the roller cost are greatly reduced; under the combined action of linear speed adjustment, rubber covered roller material and rubber covered roller deformation and mutual cooperation, the diaphragm coil is always wound under the condition of enough tension, and the diaphragm coil is parallel to the rubber covered roller, so that the outer end face of the diaphragm coil is flush and attractive.
It should be further noted that, referring to fig. 2, the first servomotor 3 drives the first rubber covered roller 1 through the first harmonic reducer 31; the second servo motor 4 drives the second rubber coating roller 2 through a second harmonic reducer 41, and the harmonic reducer has the characteristic of high transmission precision; the high-precision transmission of the first harmonic reducer 31 can realize that the linear speed of the first rubber covered roller 1 is (0.99-1.01) times of the slitting linear speed, namely, the high-precision fine adjustment of the linear speed is realized; the second harmonic reducer 41 can realize high-precision transmission, and the linear speed of the second rubber covered roller 2 is (0.99-1.01) times of the slitting linear speed, namely, the high-precision fine adjustment of the linear speed is realized.
Referring to fig. 1, in order to prevent adhesion of diaphragm fines, dust, etc. to the surfaces of a first rubber covered roller 1 and a second rubber covered roller 2 during winding, the first rubber covered roller 1 is provided with a first dust sticking component 11, and the second rubber covered roller 2 is provided with a second dust sticking component 21; the first dust-binding assembly 11 comprises a first dust-binding roller 111 and a second dust-binding roller 112, the surface of the second dust-binding roller 112 is wrapped by laminated dust-binding adhesive tapes, and the dust-binding adhesive tapes are connected through point tangent lines; the second dust-binding component 21 comprises a third dust-binding roller 211 and a fourth dust-binding roller 212, the surface of the fourth dust-binding roller 212 is wrapped by laminated dust-binding adhesive tapes, and the dust-binding adhesive tapes are connected through point tangent lines; the first dust-binding roller 111 is attached to the first rubber covered roller 1, and fine dust, dust and the like on the surface of the first rubber covered roller 1 are adhered to the surface of the first dust-binding roller 111 and then transferred to the second dust-binding roller 112, and the surface of the second dust-binding roller 112 is wrapped by the dust-binding adhesive tapes which are arranged in a stacked manner, and the dust-binding adhesive tapes are connected through point tangents, namely, when the dust-binding adhesive tapes work for a period of time, the dust-binding adhesive tape on the outermost surface is torn off, so that the replacement of the dust-binding roller or the cleaning of the dust-binding roller is avoided; similarly, the third dust-binding roller 211 is attached to the second dust-binding roller 2, and fine dust, dust and the like on the surface of the second dust-binding roller 2 are adhered to the surface of the third dust-binding roller 211 and transferred to the fourth dust-binding roller 212, the surface of the fourth dust-binding roller 212 is wrapped with the dust-binding adhesive tapes which are arranged in a laminated mode, and the dust-binding adhesive tapes are connected through point tangents, namely, after the dust-binding adhesive tapes work for a period of time, the dust-binding adhesive tapes on the outermost surface are torn off, so that the replacement of the dust-binding roller or the cleaning of the dust-binding roller is avoided.
It should be further noted that, referring to fig. 1, since the split small-width separator is rolled up by the first rubber covered roller 1 and the second rubber covered roller 2 which are symmetrically arranged in a crossed manner, the first dust-binding component 11 is disposed at the lower left side of the first rubber covered roller 1, and the second dust-binding component 21 is disposed at the upper left side of the second rubber covered roller 2 in view of space limitation.
Referring to fig. 1, two ends of the second dust-binding roller 112 are respectively provided with an air cylinder 113, the air cylinders 113 drive the second dust-binding roller 112 to contact or separate from the first dust-binding roller 111, the design can enable the second dust-binding roller 112 to lean against the first dust-binding roller 111 when needed, when the dust-binding tape on the outer ring of the second dust-binding roller 112 is used for a period of time, the second dust-binding roller 112 can be separated from the first dust-binding roller 111 through the air cylinders 113, and after the dust-binding tape on the outer ring is torn off, the second dust-binding roller 112 is close to the first dust-binding roller 111 through the air cylinders 113; similarly, air cylinders 113 are respectively provided at both ends of the fourth dust-binding roller 212.
Example 2
The embodiment provides a small-width battery diaphragm dividing and cutting machine, which comprises a winding device of the diaphragm dividing and cutting machine, wherein the winding device is used for enabling end faces of two ends of a battery diaphragm coil with small width to be flush and neat in appearance.
The technical scheme of the small-width battery diaphragm dividing and cutting machine disclosed in the present embodiment and the embodiment 1 having the same parts is described in the embodiment, and is not repeated here.
Claims (10)
1. The winding device of the diaphragm dividing and cutting machine is characterized by comprising a first rubber covered roller and a second rubber covered roller which are symmetrically arranged, wherein the first rubber covered roller is driven by a first servo motor, and the second rubber covered roller is driven by a second servo motor;
the linear speed of the diaphragm dividing and cutting machine is v, the linear speed of the first servo motor driving the first rubber covered roller is (0.99-1.01) v, and the linear speed of the second servo motor driving the second rubber covered roller is (0.99-1.01) v.
2. The separator slitter winder of claim 1, further comprising a winder unit comprising a first pinch roller, a second pinch roller, and a separator roll sandwiched between the first pinch roller and the second pinch roller;
the first pinch roller is arranged on a first swing arm, the first swing arm is hinged to the first sliding seat, a first air cylinder is arranged on the first sliding seat, and the first air cylinder drives a protruding part of the first swing arm by taking the first sliding seat as a fulcrum;
the second pressing wheel is arranged on a second swinging arm, the second swinging arm is hinged to the second sliding seat, a second air cylinder is arranged on the second sliding seat, and the second air cylinder drives a protruding part of the second swinging arm by taking the second sliding seat as a fulcrum;
the first sliding seat and the second sliding seat are arranged on the sliding table.
3. The separator slitter winder of claim 2, wherein the first cylinder is controlled by a first solenoid valve and the second cylinder is controlled by a second solenoid valve.
4. A diaphragm cutter wind-up apparatus as claimed in any one of claims 1 to 3, wherein said first servo motor drives a first rubber covered roller through a first harmonic speed reducer; the second servo motor drives the second rubber coating roller through a second harmonic speed reducer.
5. The separator slitter winder of claim 4, wherein the first rubber covered roller is provided with a first dust binding assembly and the second rubber covered roller is provided with a second dust binding assembly.
6. The separator slitter winder of claim 5, wherein the first dust-binding assembly comprises a first dust-binding roller and a second dust-binding roller, wherein the surface of the second dust-binding roller is wrapped with a laminated dust-binding tape, and the dust-binding tapes are connected through a point tangent line.
7. The separator slitter winder of claim 5, wherein the second dust assembly comprises a third dust roller and a fourth dust roller, the surfaces of the fourth dust roller are wrapped with dust adhesive tapes arranged in a stacked manner, and the dust adhesive tapes are connected through point tangents.
8. The separator slitter winder of claim 4, wherein the first rubber covered roller and the second rubber covered roller each have a surface shore hardness of 50-65.
9. The separator slitter winder of claim 6, wherein the second dust roller is provided with air cylinders at each end, the air cylinders driving the second dust roller to contact or separate from the first dust roller.
10. A separator slitter for small-width batteries, characterized by comprising a winding device for the separator slitter according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310218792.9A CN115991405A (en) | 2023-03-08 | 2023-03-08 | Winding device of diaphragm dividing and cutting machine and dividing and cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310218792.9A CN115991405A (en) | 2023-03-08 | 2023-03-08 | Winding device of diaphragm dividing and cutting machine and dividing and cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115991405A true CN115991405A (en) | 2023-04-21 |
Family
ID=85993640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310218792.9A Pending CN115991405A (en) | 2023-03-08 | 2023-03-08 | Winding device of diaphragm dividing and cutting machine and dividing and cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115991405A (en) |
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2023
- 2023-03-08 CN CN202310218792.9A patent/CN115991405A/en active Pending
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Effective date of registration: 20240327 Address after: No. 15 Jinzhou Road, Yushan High tech Industrial Development Zone, Suzhou City, Jiangsu Province, 215557 Applicant after: Changshu Juxing Machinery Co.,Ltd. Country or region after: China Address before: 215000 No.6, Jinwang Road, high tech Zone, Suzhou City, Jiangsu Province Applicant before: SUZHOU FUQIANG JIANENG PRECISION MACHINERY CO.,LTD. Country or region before: China |