CN213737795U - Tensioning and releasing device for winding machine - Google Patents
Tensioning and releasing device for winding machine Download PDFInfo
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- CN213737795U CN213737795U CN202022763338.6U CN202022763338U CN213737795U CN 213737795 U CN213737795 U CN 213737795U CN 202022763338 U CN202022763338 U CN 202022763338U CN 213737795 U CN213737795 U CN 213737795U
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Abstract
The utility model provides a tight release that rises for rolling machine includes: a shaft portion that can be driven to rotate; a positioning part fixed at a first position of the shaft part; a fixing part fixed at a second position of the shaft part; the sliding block is sleeved on the shaft part and can slide along the shaft part; the wedge block component is sleeved on the shaft part, arranged between the fixing part and the sliding block, and abutted against the fixing part at a first end and the sliding block at a second end; the tensioning assembly is clamped by the wedge block assembly; when the sliding block is stressed, the sliding block and the fixing portion extrude the wedge block assembly, the wedge block assembly extrudes the tensioning assembly, and the tensioning assembly moves along the radial direction of the shaft portion, so that the supporting pipe sleeved on the tensioning and loosening device for the winding machine is tensioned.
Description
Technical Field
The utility model belongs to the technical field of the automatic rolling of meshbelt, the disclosure especially relates to a tight release that rises for rolling machine.
Background
At present, the traditional narrow-width woven belt automatic winding in the industry mostly adopts a plastic pan head to wind, or a tube core is locked from the side to wind.
When the woven belt is wound, the locking devices on the machine table are required to be detached from the machine table one by one, then the pan head or the tube core is mounted, and then the detached locking devices are mounted and locked one by one.
When the weaving reel needs to be disassembled, the locking devices need to be disassembled from the machine table one by one, and then the reel head or the reel core which is coiled into a large coil can be taken down. Because the number of the woven tapes to be rolled is large, a large amount of time and labor are consumed for loading and unloading the coiled heads or the tube cores once, and the labor cost is high.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one of the above-mentioned technical problem, the present disclosure provides a tight release device that rises for rolling machine, includes:
a shaft portion that is drivable to rotate;
a positioning portion fixed at a first position of the shaft portion;
a fixing portion fixed at a second position of the shaft portion;
the sliding block is sleeved on the shaft part and can slide along the shaft part;
the wedge block component is sleeved on the shaft part, arranged between the fixing part and the sliding block, and abutted against the fixing part at a first end and the sliding block at a second end; and
the tensioning assembly is clamped by the wedge block assembly;
when the sliding block is exerted with pressure, the sliding block and the fixing part are right the wedge block assembly is extruded, the wedge block assembly is right the tensioning assembly is extruded, the tensioning assembly is along the radial direction of the shaft part, so that the supporting pipe on the tensioning and loosening device for the winding machine is tensioned.
According to at least one embodiment of the present disclosure, the tensioning and loosening device for the winding machine further comprises a locking nut, the locking nut is sleeved on the shaft portion, and a pressure of a predetermined magnitude is applied to the sliding block through the locking nut.
The tensioning and loosening device for the winding machine further comprises an annular elastic part, and the annular elastic part penetrates through the tensioning assembly along the circumferential direction of the tensioning assembly;
when the pressure applied to the sliding block is cancelled, the annular elastic part enables the tensioning assembly to reset from a tensioning state, so that the supporting tube sleeved on the tensioning and loosening device for the winding machine is loosened.
According to at least one embodiment of the present disclosure, the tension releasing device for the winding machine, the positioning portion includes a positioning portion fixing bolt, and the positioning portion is fixed to the first position of the shaft portion by the positioning portion fixing bolt.
According to at least one embodiment of this disclosure's tight release device that rises for rolling machine, the fixed part includes fixed part fixing bolt, through fixed part fixing bolt, the fixed part is fixed to the second position of axial part.
According to the tensioning and loosening device for the winding machine in at least one embodiment of the disclosure, the positioning portion is provided with a positioning step portion, and the first end of the supporting pipe is propped through the positioning step portion, so that the supporting pipe is positioned.
According to the tensioning and loosening device for the winding machine, the wedge block assembly comprises a first wedge block and a second wedge block, the first wedge block and the second wedge block are of a separated structure, the first wedge block and the second wedge block are respectively provided with a plurality of convex parts, and a groove part is formed between two adjacent convex parts of each wedge block;
the tensioning assembly comprises a plurality of tensioning blocks, and each tensioning block is arranged in two opposite groove parts of the first wedge block and the second wedge block.
According to the tensioning and loosening device for the winding machine, each tensioning block is provided with two opposite inclined surface portions, and the tensioning blocks can be extruded by the wedge block assemblies through the two inclined surface portions, so that the tensioning blocks can move in the radial direction of the shaft portion.
According to the tensioning and loosening device for the winding machine, each tensioning block is provided with a tensioning block through hole which can be penetrated by the annular elastic part.
According to the tensioning and loosening device for the winding machine, each tensioning block is provided with a tensioning block step, and the second end of the supporting pipe is supported through the tensioning block steps.
According to at least one embodiment of this disclosure's tight release device that rises for rolling machine, still include at least one bearing portion, the bearing portion cover is established on the axial region, through the bearing portion, a tight release device that rises for rolling machine is installed to the rolling machine on.
According to the tensioning and loosening device for the winding machine in at least one embodiment of the disclosure, the tensioning assembly is an elastic body.
According to at least one embodiment of the present disclosure, the tensioning and loosening device for the winding machine is provided with a hollowed-out structure.
According to the tensioning and loosening device for the winding machine in at least one embodiment of the disclosure, the annular elastic part is an annular tension spring.
According to the tensioning and loosening device for the winding machine in at least one embodiment of the disclosure, the shaft part is a cylindrical shaft.
According to the tensioning and loosening device for the winding machine in at least one embodiment of the disclosure, the supporting pipe is a paper pipe.
According to the tensioning and loosening device for the winding machine in at least one embodiment of the disclosure, the bearing portion is a bearing with a seat.
According to the tensioning and loosening device for the winding machine in at least one embodiment of the disclosure, the tensioning assembly comprises four tensioning blocks.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.
Fig. 1 is a schematic structural view of a tension releasing device for a winding machine in a released state according to an embodiment of the disclosure.
Fig. 2 is a schematic structural view of a tension releasing device for a winding machine in a tension state according to an embodiment of the disclosure.
Fig. 3 is a partial structural schematic view of a tension and relaxation device for a winding machine according to an embodiment of the disclosure.
Fig. 4 and 5 are schematic structural diagrams of a tensioning block of a tensioning and loosening device for a winding machine according to an embodiment of the disclosure.
Description of the reference numerals
100 tensioning and releasing device
101 shaft part
102 positioning part
103 fixed part
104 slider
105 wedge block assembly
106 annular elastic part
107 tensioning block
108 lock nut
109 bearing part
200 support tube
1021 positioning part fixing bolt
1022 stepped part of positioning part
1031 fixing part fixing bolt
1051 groove part
1052 convex part
1071 tension block step
1072 tension block through hole
1073 bevel part
1074 it has hollow structure.
Detailed Description
The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. Technical solutions of the present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Unless otherwise indicated, the illustrated exemplary embodiments/examples are to be understood as providing exemplary features of various details of some ways in which the technical concepts of the present disclosure may be practiced. Accordingly, unless otherwise indicated, features of the various embodiments may be additionally combined, separated, interchanged, and/or rearranged without departing from the technical concept of the present disclosure.
The use of cross-hatching and/or shading in the drawings is generally used to clarify the boundaries between adjacent components. As such, unless otherwise noted, the presence or absence of cross-hatching or shading does not convey or indicate any preference or requirement for a particular material, material property, size, proportion, commonality between the illustrated components and/or any other characteristic, attribute, property, etc., of a component. Further, in the drawings, the size and relative sizes of components may be exaggerated for clarity and/or descriptive purposes. While example embodiments may be practiced differently, the specific process sequence may be performed in a different order than that described. For example, two processes described consecutively may be performed substantially simultaneously or in reverse order to that described. In addition, like reference numerals denote like parts.
When an element is referred to as being "on" or "on," "connected to" or "coupled to" another element, it can be directly on, connected or coupled to the other element or intervening elements may be present. However, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element, there are no intervening elements present. For purposes of this disclosure, the term "connected" may refer to physically, electrically, etc., and may or may not have intermediate components.
For descriptive purposes, the present disclosure may use spatially relative terms such as "below … …," below … …, "" below … …, "" below, "" above … …, "" above, "" … …, "" higher, "and" side (e.g., "in the sidewall") to describe one component's relationship to another (other) component as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use, operation, and/or manufacture in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below … …" can encompass both an orientation of "above" and "below". Further, the devices may be otherwise positioned (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The terminology used herein is for the purpose of describing particular embodiments and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Furthermore, when the terms "comprises" and/or "comprising" and variations thereof are used in this specification, the presence of stated features, integers, steps, operations, elements, components and/or groups thereof are stated but does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and/or groups thereof. It is also noted that, as used herein, the terms "substantially," "about," and other similar terms are used as approximate terms and not as degree terms, and as such, are used to interpret inherent deviations in measured values, calculated values, and/or provided values that would be recognized by one of ordinary skill in the art.
Fig. 1 is a schematic structural view of a tension and relaxation device 100 for a winding machine in a relaxed state according to an embodiment of the present disclosure.
Fig. 2 is a schematic structural view of a tension releasing device 100 for a winding machine in a tension state according to an embodiment of the disclosure.
Fig. 3 is a partial structural schematic view of a tension and relaxation device 100 for a winding machine according to an embodiment of the present disclosure.
Fig. 4 and 5 are schematic structural views of a tensioning block 107 of the tensioning and loosening device 100 for the winding machine according to one embodiment of the disclosure.
The structure and the working principle of the tensioning and loosening device for the winding machine of the present disclosure are explained in detail with reference to fig. 1 to 5.
The tension and relaxation device 100 for the winding machine according to one embodiment of the present disclosure, as shown in fig. 1 and 2, includes:
a shaft portion 101, the shaft portion 101 being drivable to rotate;
a positioning part 102, the positioning part 102 being fixed at a first position of the shaft part 101;
a fixing portion 103, the fixing portion 103 being fixed to a second position of the shaft portion 101;
the sliding block 104 is sleeved on the shaft part 101 and can slide along the shaft part 101;
the wedge block assembly 105 is sleeved on the shaft part 101, the wedge block assembly 105 is arranged between the fixing part 103 and the sliding block 104, a first end of the wedge block assembly 105 abuts against the fixing part 103, and a second end of the wedge block assembly 105 abuts against the sliding block 104; and
the tensioning assembly is clamped by the wedge block assembly 105;
when the sliding block 104 is pressed, the sliding block 104 and the fixing portion 103 extrude the wedge assembly 105, the wedge assembly 105 extrudes the tensioning assembly, and the tensioning assembly moves along the radial direction of the shaft portion 101, so that the supporting tube 200 sleeved on the tensioning and releasing device 100 for the winding machine is tensioned.
Preferably, the tensioning assembly of the tensioning and loosening device 100 for the winding machine is an elastic body.
Preferably, the tensioning assembly of the tensioning and loosening device 100 for the winding machine has a hollowed-out structure 1074.
A tension and relaxation device 100 for a winding machine according to another embodiment of the present disclosure, as shown in fig. 1 and 2, includes:
a shaft portion 101, the shaft portion 101 being drivable to rotate;
a positioning part 102, the positioning part 102 being fixed at a first position of the shaft part 101;
a fixing portion 103, the fixing portion 103 being fixed to a second position of the shaft portion 101;
the sliding block 104 is sleeved on the shaft part 101 and can slide along the shaft part 101;
the wedge block assembly 105 is sleeved on the shaft part 101, the wedge block assembly 105 is arranged between the fixing part 103 and the sliding block 104, a first end of the wedge block assembly 105 abuts against the fixing part 103, and a second end of the wedge block assembly 105 abuts against the sliding block 104;
the tensioning assembly is clamped by the wedge block assembly 105; and
the annular elastic part 106 penetrates through the tensioning assembly along the circumferential direction of the tensioning assembly;
when the sliding block 104 is pressed, the sliding block 104 and the fixing portion 103 extrude the wedge block assembly 105, the wedge block assembly 105 extrudes the tensioning assembly, and the tensioning assembly moves along the radial direction of the shaft portion 101, so that the supporting tube 200 sleeved on the tensioning and releasing device 100 for the winding machine is tensioned; when the pressure applied to the sliding block 104 is removed, the annular elastic portion 106 enables the tensioning assembly to be reset from the tensioning state, so that the supporting tube 200 sleeved on the tensioning and releasing device 100 for the winding machine is released.
In each of the above embodiments, preferably, the tightening and loosening device 100 for a winding machine further includes a lock nut 108, the lock nut 108 is sleeved on the shaft portion 101, and a predetermined amount of pressure is applied to the sliding block through the lock nut 108.
It will be appreciated by those skilled in the art that the shaft portion 101 is provided with a thread that mates with the locking nut 108.
In each of the above embodiments, preferably, the positioning portion 102 of the tension releasing device 100 for the winding machine includes a positioning portion fixing bolt 1021, and the positioning portion 102 is fixed to the first position of the shaft portion 101 by the positioning portion fixing bolt 1021.
In each of the above embodiments, preferably, the fixing portion 103 of the tension releasing device 100 for the winding machine includes a fixing portion fixing bolt 1031, and the fixing portion 103 is fixed to the second position of the shaft portion 101 by the fixing portion fixing bolt 1031.
In each of the above embodiments, preferably, the positioning portion 102 of the tension releasing device 100 for a winding machine has a positioning step part 1022, and the first end of the support tube 200 is abutted by the positioning step part 1022, so as to position the support tube 200.
As shown in FIG. 3, the wedge assembly 105 of the tension and relaxation device 100 for a winding machine in the above embodiments preferably comprises a first wedge and a second wedge, the first wedge and the second wedge are in a separated structure, each of the first wedge and the second wedge has a plurality of convex portions 1052, and a groove portion 1051 is formed between two adjacent convex portions 1052 of each wedge.
As shown in fig. 3, preferably, the tensioning assembly of the tensioning and loosening device 100 for a winding machine in each of the above embodiments includes a plurality of tensioning blocks 107, and each tensioning block 107 is disposed in two opposite slot portions 1051 of the first wedge block and the second wedge block.
In each of the above embodiments, as shown in fig. 4 and 5, each of the tensioning blocks 107 of the tensioning and loosening device 100 for a winding machine preferably has two opposite inclined surface portions 1073, and the tensioning blocks 107 can be pressed by the wedge block assemblies 105 through the two inclined surface portions 1073, so that the tensioning blocks 107 can move in the radial direction of the shaft portion 101.
In each of the above embodiments, preferably, each of the tension blocks 107 has a tension block through hole 1072, and the tension block through hole 1072 can be penetrated by the annular elastic part 106.
In the above embodiments, each of the tension blocks preferably has a tension block step 1071, and the second end of the support tube 200 is supported by the tension block step 1071.
According to a preferred embodiment of the present disclosure, the tension relief device 100 for a winder further comprises at least one bearing portion 109, the bearing portion 109 is sleeved on the shaft portion 101, and the tension relief device 100 for a winder can be mounted on the winder (not shown) through the bearing portion 109.
In each of the above embodiments, preferably, the annular elastic portion 106 of the tension releasing device 100 for the winding machine is an annular tension spring.
In each of the above embodiments, the shaft portion 101 is a cylindrical shaft.
In each of the above embodiments, the support pipe 200 is a paper pipe.
In each of the above embodiments, the bearing portion 109 is a pedestal bearing.
In each of the above embodiments, the tensioning assembly includes four tensioning blocks 107.
The working principle of the tension and relaxation device 100 for a winding machine of the present disclosure is described with reference to fig. 1 and fig. 2 again.
The positioning portion 102 provides left side support to the support tube 200 (e.g., a paper tube for supporting webbing) and limits its left side position.
The securing portion 103 is secured to the shaft 101 and secures the left wedge of the wedge assembly 105.
The slide block 104 secures the right wedge of the wedge assembly 105, and the slide block 104 is axially slidable on the shaft 101.
Illustratively, four tensioning blocks 107 are mounted in opposing slot portions 1051 of the left and right wedges.
The annular elastic part 106 passes through the tension block through holes 1072 of the four tension blocks 107 to tension the four tension blocks 107. The wedge assembly, the tensioning assembly, and the sliding block 104 together form a right support for the support tube 200.
The lock nut 108 is attached to the slide block 104 and mounted on the shaft 101 having a threaded end. When the shaft 101 is driven to rotate, the webbing will be wound around the support tube 200 as a webbing coil.
When the support tube 200 is installed, the left end of the support tube 200 is inserted in the axial direction (as shown by the arrow in fig. 3), the left end abuts against the step 1022 of the positioning portion 102, the locking nut 108 is tightened, the sliding block 104 is pushed to slide leftward (as shown by the arrow in fig. 3), the four tensioning blocks 107 outwards tension the support tube 200 from the radial direction along the inclined surfaces of the left wedge block and the right wedge block (the inclined surface between the two convex portions 1052), and meanwhile, the step 1071 of the tensioning block 107 serves as the right side of the support tube 200 to be positioned, so as to prevent the support tube 200 from moving axially.
When the webbing roll is disassembled, the locking nut 108 is unscrewed for a plurality of rings, the four tensioning blocks 107 contract inwards under the action of the tensile force of the annular elastic part 106 to push the right wedge block to move rightwards, when the tensioning block steps 1071 of the tensioning blocks 107 are lower than the diameter of the right wedge block, the webbing roll and the supporting tube 200 can be easily extracted from the shaft part 101, any part does not need to be detached from the shaft part 101, and the supporting tube (paper tube) and the webbing roll can be quickly and easily disassembled.
As shown in fig. 4 and 5, the ring-shaped tension spring passes through the four tension block through holes 1072, and the inclined surface portion 1073 of the tension block 107 slides in cooperation with the inclined surface of the wedge block to realize tension and relaxation.
The tensioning and loosening device for the winding machine can realize quick detachment and installation of a paper tube and a braid roll on the braid winding machine, reduces the downtime and improves the production efficiency.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present disclosure, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.
Claims (10)
1. A tight release that rises for rolling machine, its characterized in that includes:
a shaft portion that is drivable to rotate;
a positioning portion fixed at a first position of the shaft portion;
a fixing portion fixed at a second position of the shaft portion;
the sliding block is sleeved on the shaft part and can slide along the shaft part;
the wedge block component is sleeved on the shaft part, arranged between the fixing part and the sliding block, and abutted against the fixing part at a first end and the sliding block at a second end; and
the tensioning assembly is clamped by the wedge block assembly;
when the sliding block is exerted with pressure, the sliding block and the fixing part are right the wedge block assembly is extruded, the wedge block assembly is right the tensioning assembly is extruded, the tensioning assembly is along the radial direction of the shaft part, so that the supporting pipe on the tensioning and loosening device for the winding machine is tensioned.
2. The tension and loosening device for the winding machine as claimed in claim 1, further comprising a locking nut sleeved on the shaft, wherein the locking nut applies a predetermined amount of pressure to the sliding block.
3. The tension and relaxation device for the winding machine as claimed in claim 1 or 2, further comprising an annular elastic part, wherein the annular elastic part penetrates through the tension assembly along the circumferential direction of the tension assembly;
when the pressure applied to the sliding block is cancelled, the annular elastic part enables the tensioning assembly to reset from a tensioning state, so that the supporting tube sleeved on the tensioning and loosening device for the winding machine is loosened.
4. The tension relief device for a winder according to claim 1, wherein the detent comprises a detent fixing bolt by which the detent is fixed to the first position of the shaft portion.
5. The tension relief device for a winder of claim 1, wherein the fixing portion comprises a fixing portion fixing bolt by which the fixing portion is fixed to the second position of the shaft portion.
6. The tension relief device for a winder according to claim 1, wherein the positioning portion has a positioning step portion by which the first end of the support tube is abutted to position the support tube.
7. The tension releasing device for the winding machine according to claim 1, wherein the wedge assembly comprises a first wedge and a second wedge, the first wedge and the second wedge are of a separated structure, each of the first wedge and the second wedge has a plurality of convex parts, and a groove part is formed between two adjacent convex parts of each wedge;
the tensioning assembly comprises a plurality of tensioning blocks, and each tensioning block is arranged in two opposite groove parts of the first wedge block and the second wedge block.
8. The tension releasing device for the winding machine as claimed in claim 7, wherein each of the tension blocks has two opposite inclined surface portions, and the tension block can be pressed by the wedge block assembly through the two inclined surface portions, so that the tension block can move in a radial direction of the shaft portion.
9. The tension releasing device for the winding machine as claimed in claim 7, wherein each of the tension blocks has a tension block step, and the second end of the supporting tube is supported by the tension block step.
10. The tension relief device for a winder according to claim 1, further comprising at least one bearing portion, said bearing portion fitting over said shaft portion, through which said tension relief device for a winder is mounted to a winder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022763338.6U CN213737795U (en) | 2020-11-25 | 2020-11-25 | Tensioning and releasing device for winding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022763338.6U CN213737795U (en) | 2020-11-25 | 2020-11-25 | Tensioning and releasing device for winding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213737795U true CN213737795U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022763338.6U Active CN213737795U (en) | 2020-11-25 | 2020-11-25 | Tensioning and releasing device for winding machine |
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| Country | Link |
|---|---|
| CN (1) | CN213737795U (en) |
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2020
- 2020-11-25 CN CN202022763338.6U patent/CN213737795U/en active Active
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Tensioning and loosening device for winding machine Effective date of registration: 20230815 Granted publication date: 20210720 Pledgee: China Everbright Bank Limited by Share Ltd. Xiamen branch Pledgor: XIAMEN YAMA RIBBONS & BOWS Co.,Ltd. Registration number: Y2023980052129 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |