CN117161193A - Component of non-cutting processing spinning machine - Google Patents
Component of non-cutting processing spinning machine Download PDFInfo
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- CN117161193A CN117161193A CN202311192210.0A CN202311192210A CN117161193A CN 117161193 A CN117161193 A CN 117161193A CN 202311192210 A CN202311192210 A CN 202311192210A CN 117161193 A CN117161193 A CN 117161193A
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- 238000009987 spinning Methods 0.000 title claims abstract description 153
- 238000005520 cutting process Methods 0.000 title description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 description 7
- 238000005457 optimization Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 239000007769 metal material Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The application relates to the technical field of a cutting-free processing device, in particular to a component of a cutting-free processing spinning machine, which comprises the following components: the device comprises a central shaft, a spinning arm, a spinning roller and a linear driving mechanism; two spinning arms are arranged in the circumferential direction of the central shaft; the bottoms of the two spinning arms are respectively provided with a spinning roller in a sliding way; the side part of the central shaft is provided with a linear driving mechanism, and two ends of the linear driving mechanism are rotationally connected with the two spinning arms; the output end of the linear driving mechanism is fixedly connected with the spinning rollers, and the linear driving mechanism is used for driving the two spinning rollers to synchronously slide along a first preset direction.
Description
Technical Field
The application relates to the technical field of non-cutting machining devices, in particular to a component of a non-cutting machining spinning machine.
Background
The metal spinning forming technology is to form a certain shape by rotating the metal material to make the stress point from point to line from line to surface and giving a certain pressure in a certain direction to deform and flow the metal material along the certain direction. The metal material must have plastic deformation or flow property, and the spinning forming is different from plastic deformation, and is a complex process integrating plastic deformation and flow deformation, and it is especially pointed out that the spinning forming technology is not a single powerful spinning technology and a common spinning technology, and is a combined technology, and the powerful spinning technology is used for the spinning forming shell of various cylinders and cone abnormal shapes, and is a relatively old mature method and process, namely a rolling method, the spinning machine is divided into two large types of powerful spinning machines and a common spinning machine, and the powerful spinning machine is divided into double spinning wheels and triple spinning wheels.
The spinning machine is characterized in that a spinning roller is arranged at the bottom of the main spinning component of the spinning machine, a workpiece is arranged on a spinning platform during spinning, the spinning machine is driven by a motor to rotate, the workpiece slowly falls into the inner side of the workpiece in the rotating process, and the spinning is started at the inner side edge of the workpiece in a rotating mode in the descending process, so that the inner side of the workpiece is formed into a shape on the product requirement from the edge to the required position.
The spinning machine is characterized in that two spinning rollers are arranged at the bottom of the spinning machine, the distance between the two spinning rollers is adjustable to adapt to spinning of products with different apertures, the distance is required to be carefully adjusted in precision during adjustment, and a slight gap is left, so that eccentricity is easy to occur during molding of the products, the quality of the products is affected, and the aim of solving the problems is achieved by the technology.
Disclosure of Invention
The present application aims to provide a component of a non-cutting processing spinning machine, which solves the problems and the shortcomings in the prior art.
In order to achieve the above purpose, the application provides a component of a non-cutting processing spinning machine, which is achieved by the following specific technical means:
a component of a skinless process spinning machine, comprising: the device comprises a central shaft, a spinning arm, a spinning roller and a linear driving mechanism; two spinning arms are arranged in the circumferential direction of the central shaft, and the two spinning arms are in central symmetry; one end of the spinning arm is fixedly arranged on the side part of the central shaft, and the other end of the spinning arm extends along a first preset direction which is the normal direction of the central shaft; the bottoms of the two spinning arms are respectively provided with a spinning roller in a sliding way, and the two spinning rollers are symmetrically arranged at two sides of the central shaft; the side part of the central shaft is provided with a linear driving mechanism, and two ends of the linear driving mechanism are rotationally connected with the two spinning arms; the output end of the linear driving mechanism is fixedly connected with the spinning rollers, and the linear driving mechanism is used for driving the two spinning rollers to synchronously slide along a first preset direction.
As a further optimization of the technical scheme, the component of the non-cutting processing spinning machine is characterized in that a plurality of assembly holes are formed in the central shaft in a penetrating mode along a second preset direction, the assembly holes are used for installing bolts, and the second preset direction is the axis direction of the central shaft.
As a further optimization of the technical scheme, the component of the non-cutting processing spinning machine is characterized in that a first guide hole is formed in the spinning arm in a penetrating manner along a second preset direction, and one end of the spinning roller is arranged in the first guide hole in a sliding manner along the first preset direction; the end, close to the linear driving mechanism, of the spinning arm is provided with a second guide hole, and the second guide hole is communicated with the first guide hole; one end of the spinning roller, which is close to the linear driving mechanism, is arranged in the first guide hole in a sliding mode along a first preset direction.
As a further optimization of the technical scheme, the component of the cutting-free processing spinning machine comprises a roller seat, a connecting block and a roller, wherein one end of the roller seat is arranged in a first guide hole in a sliding manner along a first preset direction; the connecting block is arranged in the second guide hole in a sliding manner along the first preset direction, one end of the connecting block is fixedly connected with the roller seat, and the other end of the connecting block is fixedly connected with the output end of the linear driving mechanism; the roller is detachably arranged at one end of the roller seat far away from the first guide hole.
As a further optimization of the technical scheme, the component of the non-cutting processing spinning roller further comprises a top plate and a bottom plate, wherein the top plate is detachably arranged at one end of the roller seat far away from the roller, and the top plate is arranged at one end of the spinning arm far away from the roller through a bolt; the bottom plate is fixedly arranged at one end of the roller seat, which is close to the roller; the roller seat is clamped between the bottom plate and the top plate.
As a further optimization of the technical scheme, the component of the non-cutting processing spinning machine comprises a rotating shaft and a spinning head, wherein one end of the rotating shaft is provided with a jack, the jack is spliced with one end of a roller seat far away from a first guide hole, and the rotating shaft is spliced with the roller seat through a bolt; the spinning head is rotatably arranged at one end of the rotating shaft far away from the jack.
As a further optimization of the technical scheme, the component of the non-cutting processing spinning machine comprises a linear driving mechanism, a linear driving mechanism and a rotary mechanism, wherein the linear driving mechanism comprises a double-screw, a rotary seat, two screw nuts and nut seats, and the central axis of the double-screw is parallel to a first preset direction; the rotary seat is rotatably arranged at two ends of the double-screw rod, and the rotary seat is fixedly connected with the spinning arm; the two screw nuts are sleeved on the double screw, one screw nut is meshed with the left-handed threads of the double screw, and the other screw nut is meshed with the right-handed threads of the double screw; the nut seat is arranged between the connecting block and the screw nut, one end of the nut seat is fixedly connected with the connecting block, and the other end of the nut seat is fixedly connected with the screw nut.
Due to the application of the technical scheme, compared with the prior art, the application has the following advantages:
1. according to the application, the linear driving mechanism is arranged for driving the two spinning rollers to synchronously slide along the first preset direction, so that the interval between the two spinning rollers can be conveniently and synchronously adjusted, time and labor are saved, eccentricity is avoided, and the follow-up spinning quality is guaranteed.
2. According to the application, the rollers are detachably arranged at one end of the roller seat far away from the first guide hole, so that the proper rotating roller can be conveniently replaced according to the requirement of a product.
3. According to the application, the roller seat is clamped between the bottom plate and the top plate, and after the interval between the spinning rollers is adjusted, the position of the spinning rollers is positioned by clamping the bottom plate and the top plate, so that the spinning quality is improved.
4. The spinning machine has the advantages of reasonable structure, synchronous adjustment of the two spinning rollers, time and labor saving, no eccentricity and higher spinning quality through improvement of the spinning machine, thereby effectively solving the problems and defects in the prior device.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a perspective view of a component of a skinless spinning machine of the present application;
FIG. 2 is a perspective view of another view of a component of a non-cutting process flow spinner of the present application;
fig. 3 is a partial exploded view of the present application.
In the figure: center shaft 1, spinning arm 2, spinning roller 3, linear driving mechanism 4, assembly hole 11, first guide hole 21, second guide hole 22, roller seat 31, connection block 32, roller 33, top plate 34, bottom plate 35, double screw 41, swivel mount 42, screw nut 43, nut seat 44, rotation shaft 331, spinning head 332, insertion hole 333.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments.
Referring to fig. 1 to 3, the present application provides a specific technical embodiment of a component of a non-cutting spinning machine:
a component of a skinless process spinning machine, comprising: a central shaft 1, a spinning arm 2, a spinning roller 3 and a linear driving mechanism 4; two spinning arms 2 are arranged in the circumferential direction of the central shaft 1, and the two spinning arms 2 are in central symmetry; one end of the spinning arm 2 is fixedly arranged on the side part of the central shaft 1, and the other end of the spinning arm extends along a first preset direction which is the normal direction of the central shaft 1; the bottoms of the two spinning arms 2 are respectively provided with a spinning roller 3 in a sliding way, and the two spinning rollers 3 are symmetrically arranged at two sides of the central shaft 1; the side part of the central shaft 1 is provided with a linear driving mechanism 4, and two ends of the linear driving mechanism 4 are rotationally connected with the two spinning arms 2; the output end of the linear driving mechanism 4 is fixedly connected with the spinning rollers 3, and the linear driving mechanism 4 is used for driving the two spinning rollers 3 to synchronously slide along a first preset direction.
Specifically, the center shaft 1 is used for connecting the output end (not shown in the illustration) of the spinning machine, and when the linear driving mechanism 4 works, the two spinning rollers 3 are driven to synchronously slide along the first preset direction, so that the adjustment of the distance between the two spinning rollers 3 is realized.
The center shaft 1 is provided with a plurality of assembly holes 11 in a penetrating mode along a second preset direction, the assembly holes 11 are used for installing bolts, the second preset direction is the axis direction of the center shaft 1, the assembly holes 11 are arranged in a penetrating mode, long bolts are convenient to install, and the firmness of connection between the center shaft 1 and the output end of the spinning machine is improved.
A first guide hole 21 is formed in the spinning arm 2 in a penetrating manner along a second preset direction, and one end of the spinning roller 3 is arranged in the first guide hole 21 in a sliding manner along the first preset direction; the spinning arm 2 is provided with a second guide hole 22 at one end close to the linear driving mechanism 4, and the second guide hole 22 is communicated with the first guide hole 21; one end of the rotating roller 3, which is close to the linear driving mechanism 4, is slidably arranged in a first guide hole 21 in a first preset direction, and the first guide hole 21 and a second guide hole 22 are used for sliding the rotating roller 3.
The rotary press roller 3 comprises a roller seat 31, a connecting block 32 and a roller 33, wherein one end of the roller seat 31 is arranged in the first guide hole 21 in a sliding way along a first preset direction; the connecting block 32 is arranged in the second guide hole 22 in a sliding manner along the first preset direction, one end of the connecting block 32 is fixedly connected with the roller seat 31, and the other end of the connecting block 32 is fixedly connected with the output end of the linear driving mechanism 4; the roller 33 is detachably mounted at an end of the roller seat 31 remote from the first guide hole 21.
Specifically, the output end of the linear driving mechanism 4 drives the connecting block 32 to slide in the second guide hole 22 and drives the roller seat 31 to slide in the first guide hole 21, so that the whole rotating roller 3 is moved; the roller 33 is detachably mounted on the roller seat 31, so that the spinning roller 33 can be replaced appropriately according to the requirement of the product.
The spinning roller 3 further comprises a top plate 34 and a bottom plate 35, wherein the top plate 34 is detachably arranged at one end of the roller seat 31 far away from the roller 33, and the top plate 34 is arranged at one end of the spinning arm 2 far away from the roller 33 through bolts; the bottom plate 35 is fixedly arranged at one end of the roller seat 31 close to the roller 33; the roller housing 31 is clamped between the bottom plate 35 and the top plate 34.
Specifically, the top plate 34 is mounted on the roller seat 31 through a bolt, when the bolt is loosened, the roller seat 31 can slide in the first guide hole 21, after the bolt is screwed, the bolt tightens the roller seat 31, so that the bottom plate 35 is abutted against the spinning arm 2, the roller seat 31 is clamped between the bottom plate 35 and the top plate 34, the position of the spinning roller 3 is positioned, and the spinning quality is improved.
The roller 33 comprises a rotating shaft 331 and a spinning head 332, one end of the rotating shaft 331 is provided with a jack 333, the jack 333 is spliced with one end of the roller seat 31 far away from the first guide hole 21, and the rotating shaft 331 and the roller seat 31 are spliced and then are in pin joint through bolts; the rotating head 332 is rotatably disposed at one end of the rotating shaft 331 away from the insertion hole 333.
Specifically, the sides of the rotating shaft 331 and the roller seat 31 are provided with pin holes, after the rotating shaft 331 and the roller seat 31 are inserted, bolts are inserted into the pin holes, nuts are installed at two ends of the bolts and screwed, the rotating shaft 331 and the roller seat 31 are fixedly connected, when the rotating shaft 331 and the roller seat 31 are required to be replaced, the bolts are detached, the rotating shaft 331 and the roller seat 31 are separated, the roller seat 31 of the new spinning roller 3 is inserted into the insertion holes 333, and then the bolts are used for fixedly connecting the roller seat 31 and the rotating shaft 331.
The linear driving mechanism 4 comprises a double screw 41, a swivel mount 42, two screw nuts 43 and a nut seat 44, and the central axis of the double screw 41 is parallel to a first preset direction; the rotary seat 42 is rotatably arranged at two ends of the double-screw 41, and the rotary seat 42 is fixedly connected with the spinning arm 2; two screw nuts 43 are sleeved on the double screw 41, one screw nut 43 is meshed with the left-hand threads of the double screw 41, and the other screw nut 43 is meshed with the right-hand threads of the double screw 41; the nut seat 44 is disposed between the connection block 32 and the screw nut 43, one end of the nut seat 44 is fixedly connected with the connection block 32, and the other end of the nut seat 44 is fixedly connected with the screw nut 43.
Specifically, the double screw 41 is rotated to rotate, the nut holder 44 is moved by the engagement of the double screw 41 with the two screw nuts 43, and then the rotation roller 3 is driven to move by the nut holder 44.
It should be noted that, the hexagonal handles are provided at both ends of the double screw 41 (this feature is not the inventive feature of this patent), and the rotation of the double screw 41 is facilitated by the hexagonal handles.
Working principle:
firstly, the double screw 41 is rotated to drive the two spinning rollers 3 to synchronously move, so that the distance adjustment is realized, when the spinning rollers 3 need to be replaced, the connecting bolts of the rotating shaft 331 and the roller seat 31 are detached, then the rotating shaft 331 and the roller seat 31 are separated, the roller seat 31 of the new spinning roller 3 is inserted into the insertion hole 333, and then the roller seat 31 and the rotating shaft 331 are fixedly connected by using the bolts.
To sum up: according to the component of the non-cutting processing spinning machine, the linear driving mechanism is arranged for driving the two spinning rollers to synchronously slide along the first preset direction, so that the space between the two spinning rollers can be conveniently and synchronously adjusted, time and labor are saved, eccentricity is avoided, and the follow-up spinning quality is guaranteed; the roller is detachably arranged at one end of the roller seat far away from the first guide hole, so that a proper spinning roller can be conveniently replaced according to the requirement of a product; the roller seat is clamped between the bottom plate and the top plate, and after the interval between the spinning rollers is adjusted, the position of the spinning rollers is positioned by the clamping of the bottom plate and the top plate, so that the spinning quality is improved; the spinning machine has the advantages of reasonable structure, synchronous adjustment of the two spinning rollers, time and labor saving, no eccentricity and higher spinning quality through improvement of the spinning machine, and solves the problems that the two spinning rollers of the existing spinning machine need to be independently adjusted when the distance is adjusted, time and labor are wasted, the eccentricity easily occurs, and the spinning quality is affected.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. A component of a skinless process spinning machine, comprising: a central shaft (1), a spinning arm (2), a spinning roller (3) and a linear driving mechanism (4); the method is characterized in that:
two spinning arms (2) are arranged in the circumferential direction of the central shaft (1), and the two spinning arms (2) are in central symmetry; one end of the spinning arm (2) is fixedly arranged on the side part of the central shaft (1), and the other end of the spinning arm extends along a first preset direction which is the normal direction of the central shaft (1); the bottoms of the two spinning arms (2) are respectively provided with a spinning roller (3) in a sliding manner, and the two spinning rollers (3) are symmetrically arranged at two sides of the central shaft (1);
the side part of the central shaft (1) is provided with a linear driving mechanism (4), and two ends of the linear driving mechanism (4) are rotationally connected with the two spinning arms (2); a plurality of assembly holes (11) are formed in the central shaft (1) in a penetrating manner along a second preset direction, the assembly holes (11) are used for installing bolts, and the second preset direction is the axis direction of the central shaft (1); a first guide hole (21) is formed in the spinning arm (2) in a penetrating manner along a second preset direction, and one end of the spinning roller (3) is arranged in the first guide hole (21) in a sliding manner along the first preset direction;
a second guide hole (22) is formed in one end, close to the linear driving mechanism (4), of the spinning arm (2), and the second guide hole (22) is communicated with the first guide hole (21); one end, close to the linear driving mechanism (4), of the spinning roller (3) is arranged in the first guide hole (21) in a sliding mode along a first preset direction; the spinning roller (3) comprises a roller seat (31), a connecting block (32) and a roller (33), wherein one end of the roller seat (31) is arranged in a first guide hole (21) in a sliding manner along a first preset direction; the connecting block (32) is arranged in the second guide hole (22) in a sliding manner along the first preset direction, one end of the connecting block (32) is fixedly connected with the roller seat (31), and the other end of the connecting block is fixedly connected with the output end of the linear driving mechanism (4); the roller (33) is arranged at one end of the roller seat (31) far away from the first guide hole (21);
the spinning roller (3) further comprises a top plate (34) and a bottom plate (35), wherein the top plate (34) is arranged at one end of the roller seat (31) far away from the roller (33), and the top plate (34) is arranged at one end of the spinning arm (2) far away from the roller (33) through a bolt; the bottom plate (35) is fixedly arranged at one end of the roller seat (31) close to the roller (33); the roller seat (31) is clamped between the bottom plate (35) and the top plate (34);
the output end of the linear driving mechanism (4) is fixedly connected with the spinning rollers (3), and the linear driving mechanism (4) is used for driving the two spinning rollers (3) to synchronously slide along a first preset direction; the linear driving mechanism (4) comprises a double-screw (41), a swivel mount (42), two screw nuts (43) and a nut seat (44), and the central axis of the double-screw (41) is parallel to a first preset direction; the rotary seat (42) is rotatably arranged at two ends of the double-screw (41), and hexagonal handles are arranged at two ends of the double-screw (41); the rotary seat (42) is fixedly connected with the spinning arm (2); the two screw nuts (43) are sleeved on the double screw (41), one screw nut (43) is meshed with left-handed threads of the double screw (41), and the other screw nut (43) is meshed with right-handed threads of the double screw (41); the nut seat (44) is arranged between the connecting block (32) and the screw nut (43), one end of the nut seat (44) is fixedly connected with the connecting block (32), and the other end of the nut seat (44) is fixedly connected with the screw nut (43).
2. A component of a skinless spinning machine as claimed in claim 1, wherein: the roller (33) comprises a rotating shaft (331) and a spinning head (332), one end of the rotating shaft (331) is provided with an inserting hole (333), the inserting hole (333) is inserted into one end, far away from the first guide hole (21), of the roller seat (31), and the rotating shaft (331) and the roller seat (31) are inserted into each other and then are connected with each other through bolts; the spinning head (332) is rotatably arranged at one end of the rotating shaft (331) far away from the jack (333).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311192210.0A CN117161193A (en) | 2023-09-15 | 2023-09-15 | Component of non-cutting processing spinning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311192210.0A CN117161193A (en) | 2023-09-15 | 2023-09-15 | Component of non-cutting processing spinning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117161193A true CN117161193A (en) | 2023-12-05 |
Family
ID=88933538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311192210.0A Pending CN117161193A (en) | 2023-09-15 | 2023-09-15 | Component of non-cutting processing spinning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117161193A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3871206A (en) * | 1972-08-29 | 1975-03-18 | Matsushita Electric Ind Co Ltd | Continuous rotary press |
| EP0754507A1 (en) * | 1995-07-20 | 1997-01-22 | Johan Massée | Method and apparatus for spinning a metal sheet |
| CN101380657A (en) * | 2007-09-07 | 2009-03-11 | 中国海洋石油总公司 | Pipe-end rotary extrusion expansion flanger |
| CN102601196A (en) * | 2011-01-21 | 2012-07-25 | 珠海格力电器股份有限公司 | Sheet metal part spinning forming equipment and forming method |
| CN102773323A (en) * | 2012-07-31 | 2012-11-14 | 华南理工大学 | Strong force rotary pressing molding method of nanocrystalline/superfine crystal carbon steel cylindrical piece |
| CN215614271U (en) * | 2021-08-12 | 2022-01-25 | 宁乡县利宏仪表螺丝厂 | Forming device is used in processing of U type bolt |
| CN218252357U (en) * | 2022-09-20 | 2023-01-10 | 河北云腾环保科技有限公司 | Stamping die with good tensile property |
-
2023
- 2023-09-15 CN CN202311192210.0A patent/CN117161193A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3871206A (en) * | 1972-08-29 | 1975-03-18 | Matsushita Electric Ind Co Ltd | Continuous rotary press |
| EP0754507A1 (en) * | 1995-07-20 | 1997-01-22 | Johan Massée | Method and apparatus for spinning a metal sheet |
| CN101380657A (en) * | 2007-09-07 | 2009-03-11 | 中国海洋石油总公司 | Pipe-end rotary extrusion expansion flanger |
| CN102601196A (en) * | 2011-01-21 | 2012-07-25 | 珠海格力电器股份有限公司 | Sheet metal part spinning forming equipment and forming method |
| CN102773323A (en) * | 2012-07-31 | 2012-11-14 | 华南理工大学 | Strong force rotary pressing molding method of nanocrystalline/superfine crystal carbon steel cylindrical piece |
| CN215614271U (en) * | 2021-08-12 | 2022-01-25 | 宁乡县利宏仪表螺丝厂 | Forming device is used in processing of U type bolt |
| CN218252357U (en) * | 2022-09-20 | 2023-01-10 | 河北云腾环保科技有限公司 | Stamping die with good tensile property |
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Application publication date: 20231205 |