CN113814905A - Self-adaptive bench vice jaw structure for special-shaped workpiece and clamping method - Google Patents
Self-adaptive bench vice jaw structure for special-shaped workpiece and clamping method Download PDFInfo
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- CN113814905A CN113814905A CN202111230751.9A CN202111230751A CN113814905A CN 113814905 A CN113814905 A CN 113814905A CN 202111230751 A CN202111230751 A CN 202111230751A CN 113814905 A CN113814905 A CN 113814905A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 4
- 230000003321 amplification Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 230000003044 adaptive effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000677 High-carbon steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B1/00—Vices
- B25B1/24—Details, e.g. jaws of special shape, slideways
- B25B1/2405—Construction of the jaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B1/00—Vices
- B25B1/24—Details, e.g. jaws of special shape, slideways
- B25B1/2405—Construction of the jaws
- B25B1/2457—Construction of the jaws with auxiliary attachments
Abstract
The invention relates to a self-adaptive bench vice jaw structure for special-shaped workpieces and a clamping method, and the self-adaptive bench vice jaw structure comprises a vice body and a jaw seat, wherein the jaw seat is provided with a third rotating block, a second rotating block and a first rotating block; the number of the third rotating blocks, the number of the second rotating blocks and the number of the first rotating blocks are arranged in an increasing mode. The first rotating block is a semi-cylinder, and a first boss is arranged on one side of the arc surface of the first rotating block; the first boss is embedded in the second rotating block. Through mutual rotation and revolution cooperation of the first clamping block, the second rotating block, the third rotating block and the jaw seat, the first rotating block can effectively clamp the special-shaped part.
Description
Technical Field
The invention relates to the technical field of mechanical tool fixtures, in particular to a vice jaw structure and a clamping method of a self-adaptive special-shaped workpiece.
Background
Traditional bench vice fixed mounting is convenient for carry out manual or machining such as file, saw to the work piece on the workstation.
The main structure of the existing bench vice comprises a vice body, a base, a guide nut, a lead screw and a vice jaw body. The clamp body is divided into a movable clamp and a fixed clamp, and the movable clamp is in sliding fit with a guide rail of the fixed clamp through the guide rail; the lead screw drives the movable clamp to move, and when the lead screw rotates, the movable clamp moves relative to the fixed clamp body in an axial line manner; steel jaws are respectively arranged on the fixed pincers and the movable pincers and are fixed by screws; the working surface of the jaw is provided with crossed reticulate patterns for gripping workpieces.
The working face of the jaw is a plane, so that in the operation of a bench worker, the workpieces of the regular body are relatively few, and the jaw is particularly suitable for the non-standard processing field. Due to the special outline of the workpiece, the traditional flat jaw cannot adjust the fitting degree with the surface of the workpiece according to the actual condition, so that the clamping is not firm. If the workpiece is forcibly clamped, the surface or the body of the workpiece is easily damaged, and the surface accuracy of the finished product is affected.
Disclosure of Invention
The applicant aims at the defects in the prior art and provides a reasonable-structure self-adaptive bench vice jaw structure for special-shaped workpieces and a clamping method, and the relative position relationship between the working surface of the jaw and the workpiece is adjusted by using the rotation action of a rotating clamping block through setting a multiple-movable structure, so that the degree of fit between the working surface of the jaw and the surface contour of the non-standard workpiece is improved.
The technical scheme adopted by the invention is as follows:
a self-adaptive bench vice jaw structure for special-shaped workpieces comprises a vice body, jaw seats are rotatably mounted at the top of the vice body and provided with a group of jaw seats, each group of jaw seats is provided with a movable clamping assembly, each movable clamping assembly comprises a third rotating block rotatably connected with the jaw seat, a second rotating block rotatably connected with one side of the third rotating block, which is far away from the jaw seats, and a first rotating block rotatably connected with one side of the second rotating block, which is far away from the third rotating block, wherein the first rotating block is contacted with the workpieces,
the first rotating block is embedded into the second rotating block, the second rotating block is embedded into the third rotating block, the third rotating block is embedded into the jaw seat,
one side of the first rotating block, which is far away from the second rotating block, is used for clamping a workpiece; the number of the third rotating blocks, the number of the second rotating blocks and the number of the first rotating blocks are arranged in an increasing mode.
The first rotating block is a semi-cylinder, and a first boss is arranged on one side of the arc surface of the first rotating block; the first boss is embedded in the second rotating block.
The second rotating block is a semi-cylinder and comprises an outer convex surface and an inner concave surface, and the first rotating block is movably embedded in the inner concave surface of the second rotating block.
And one side of the second rotating block, which faces the first rotating block, is provided with a first groove, and the first boss falls in the first groove and reciprocates along the first groove.
The third rotating block is a second rotating block geometric magnification structure.
And a second boss is arranged on the outer convex surface of the second rotating block, a second groove is arranged on one side of the third rotating block facing the second rotating block, and the second boss falls in the second groove and reciprocates along the second groove.
A third boss is arranged on one side, facing the jaw seat, of the third rotating block, an inner concave surface is arranged on one side, facing the third rotating block, of the jaw seat, and a third groove is formed in the inner concave surface; the third boss falls in the third groove and reciprocates along the third groove.
The number of the third rotating blocks, the second rotating blocks and the first rotating blocks is increased in a progression mode.
One side of each first rotating block, which faces the workpiece, is a vertical plane, and the rotating blocks rotate independently between the adjacent first rotating blocks and between the adjacent second rotating blocks; the bottom of the jaw seat is provided with a rotating shaft connected with the forceps body.
A clamping method of a vice jaw structure by utilizing a self-adaptive special-shaped workpiece comprises the following steps:
in an initial state, a workpiece placing space is reserved between the jaw seats on the two sides; after the workpiece is placed between the jaw seats at the two sides, the jaw seats at the two sides approach to each other; after the first rotating block is contacted with the workpiece, in the process that the jaw seats are continuously close to each other, the working surface of the first rotating block is contacted with the workpiece, and then the first rotating block and the second rotating block rotate relatively under the reaction force of the workpiece; at the moment, the jaw seats are continuously close to each other, the reaction force is transmitted to the second rotating block and the third rotating block, and the first rotating block, the second rotating block, the third rotating block and the jaw seats are relatively rotated until the working surface of the first rotating block is completely attached to the outer contour of the workpiece, so that the workpiece is completely limited.
The invention has the following beneficial effects:
the special-shaped part clamping device is compact and reasonable in structure and convenient to operate, and the first rotating block can effectively clamp the special-shaped part through mutual rotation and revolution matching of the first clamping block, the second rotating block, the third rotating block and the jaw seat.
The vice head pliers are greatly improved in installation efficiency and installation portability compared with the traditional vice head pliers, and have wide application prospect.
Drawings
Fig. 1 is a schematic view of an initial state of the bench vice of the present invention.
FIG. 2 is a schematic view of a vise for clamping a workpiece according to the present invention.
FIG. 3 is a view showing a structure of a single side of the vise in the present invention.
Fig. 4 is a schematic view of a third rotating block structure in the present invention.
Fig. 5 is a schematic structural view of a second rotating block according to the present invention.
Fig. 6 is a schematic structural diagram of the first rotating block in the present invention.
Wherein: 1. a clamp body; 2. a jaw seat; 3. a third turning block; 4. a second turning block; 5. a first rotating block; 6. a first boss; 7. a first groove; 8. a second boss; 9. a second groove; 10. a third boss; 11. and a third groove.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1-6, the vise jaw structure for self-adapting special-shaped workpieces of the present embodiment includes a vise body 1, a vise seat 2 is rotatably installed on the top of the vise body 1, a set of vise seats 2 is provided, each set of vise seats 2 is provided with a movable clamping assembly, the movable clamping assembly includes a third rotating block 3 rotatably connected with the vise seats 2, a second rotating block 4 rotatably connected with one side of the third rotating block 3 departing from the vise seat 2, and a first rotating block 5 rotatably connected with one side of the second rotating block 4 departing from the third rotating block 3, the first rotating block 5 contacts with the workpiece,
the first turning block 5 is embedded in the second turning block 4, the second turning block 4 is embedded in the third turning block 3, the third turning block 3 is embedded in the jaw seat 2,
the side, departing from the second rotating block 4, of the first rotating block 5 is used for clamping a workpiece; the number of the third rotating blocks 3, the number of the second rotating blocks 4 and the number of the first rotating blocks 5 are arranged in an increasing mode.
The first rotating block 5 is a semi-cylinder, and a first boss 6 is arranged on one side of the arc surface of the first rotating block 5; the first boss 6 is embedded in the second turning block 4.
The second rotating block 4 is a semi-cylinder, the second rotating block 4 comprises an outer convex surface and an inner concave surface, and the first rotating block 5 is movably embedded in the inner concave surface of the second rotating block 4.
One side of the second rotating block 4 facing the first rotating block 5 is provided with a first groove 7, and the first boss 6 falls in the first groove 7 and reciprocates along the first groove 7.
The third rotating block 3 is of an isometric amplification structure of the second rotating block 4.
The outer convex surface of the second rotating block 4 is provided with a second boss 8, one side of the third rotating block 3 facing the second rotating block 4 is provided with a second groove 9, and the second boss 8 falls in the second groove 9 and reciprocates along the second groove 9.
A third boss 10 is arranged on one side of the third rotating block 3 facing the jaw seat 2, one side of the jaw seat 2 facing the third rotating block 3 is an inward concave surface, and a third groove 11 is arranged on the inward concave surface; the third boss 10 is seated in the third groove 11 and reciprocates along the third groove 11.
The number of the third rotating blocks 3, the second rotating blocks 4 and the first rotating blocks 5 is increased in a progression mode.
One side of each first rotating block 5, which faces the workpiece, is a vertical plane, and the rotating blocks rotate independently between the adjacent first rotating blocks 5 and between the adjacent second rotating blocks 4; the bottom of the jaw seat 2 is provided with a rotating shaft 12 connected with the jaw body 1.
The clamping method of the vice jaw structure by utilizing the self-adaptive special-shaped workpiece comprises the following steps:
in the initial state, a workpiece placing space is reserved between the jaw seats 22 on the two sides; after the workpiece is placed between the jaw seats 22 at the two sides, the jaw seats 22 at the two sides approach to each other; after the first rotating block 55 contacts with the workpiece, in the process that the jaw seats 22 are continuously close to each other, the working surface of the first rotating block 55 contacts with the workpiece, and then rotates relative to the second rotating block 44 under the reaction force of the workpiece; at this time, the jaw seats 22 are continuously close to each other, the reaction force is transmitted to the second rotating block 44 and the third rotating block 33, the first rotating block 55, the second rotating block 44, the third rotating block 33 and the jaw seats 22 are relatively rotated until the working surface of the first rotating block 55 is completely attached to the outer contour of the workpiece, and the workpiece is completely limited.
The specific structure and working process of the embodiment are as follows:
the clamping structure of the bench vice in the invention is as shown in fig. 1 and fig. 2, the distance in fig. 2 is a shape of a non-standard part, and the first rotating block 5 with a smaller unit length can be arranged along the outline of a workpiece through the relative rotation among the first rotating block 5, the second rotating block 4, the third rotating block 3 and the jaw seat 2, thereby increasing the contact area with the workpiece and improving the clamping reliability.
As shown in fig. 4-6, fig. 6 is a structure of the first rotating block 5, the first rotating block 5 is a semi-cylindrical structure, a vertical plane of the first rotating block 5 is a working surface contacting with a workpiece, a semi-annular first boss 6 is arranged in the middle of an arc surface of the first rotating block 5, and a cross section of the first boss 6 is T-shaped. The semi-annular T-shaped boss surrounds along the axis of the cylindrical surface on the back of the clamping block.
As shown in fig. 5, the second rotating block 4 is of a special-shaped structure, and the side of the second rotating block 4 facing the workpiece is a front side. The front surface of the second rotating block 4 is provided with two groups of semicircular concave surfaces, and the inner diameter of each concave surface is equal to the outer diameter of the first rotating block 5; a semicircular T-shaped groove is formed in each group of semicircular concave surfaces, namely the first groove 7, and the first groove 7 surrounds along the axis of the semicircular concave surface and is matched with the first boss 6. The center of the convex arc surface of the second rotating block 4 is provided with a second boss 8, all the bosses in the embodiment are T-shaped bosses, and all the grooves are T-shaped grooves.
The structure of the third rotating block 3 is the same as that of the second rotating block 4, the size of the third rotating block is twice as large as that of the second rotating block 4, two semicircular concave surfaces are arranged on one side, facing a workpiece, of the third rotating block 3, the inner diameter of each concave surface is the outer diameter of the second rotating block 4, and a second groove 9 is formed in the concave surface of the third rotating block 3 and matched with the second boss 8.
And a third boss 10 is arranged on the convex arc surface of the third rotating block 3, and the third boss 10 falls in the T-shaped groove on the jaw seat 2.
The jaw seat 2 has the same structure as the third turning block 3 and is twice as large as the third turning block 3. The jaw seat 2 is provided with two semicircular depressions on one surface facing the workpiece, and each depression corresponds to one third boss 10.
A rotating shaft 12 is arranged below the jaw seat 2, a hole is arranged at the top of the jaw body 1, and the rotating shaft 12 penetrates into the hole of the jaw body 1 and rotates relative to the jaw seat 2.
The length of all the bosses and the grooves is equal to half of the section perimeter of the rotating block where the bosses and the grooves are located, so that the rotating stroke which is as long as possible can be provided, and the adaptation degree of the rotating block to various workpieces is improved.
The number of the first rotating block 5, the second rotating block 4 and the third rotating block 3 can be selected, and only the progression increasing is required. For example, the above example is 2n, or 3n, 4n, when 3n is selected as the formula for increasing the number of steps, three semicircular concave surfaces are arranged on the jaw base 2, one third rotating block 3 is arranged in each semicircular concave surface, and a total of nine third rotating blocks 3 are provided; the front surface of each third rotating block 3 is provided with three semicircular concave surfaces, and each semicircular concave surface is provided with three second rotating blocks 4, so that twenty-seven second rotating blocks 4 are formed; the front surface of each second rotating block 4 is provided with three semicircular concave surfaces, and each semicircular concave surface is provided with three first rotating blocks 5, so that the total number of eighty first rotating blocks 5 is eight. In consideration of practical conditions and cost, the 2n series increasing structure can already meet the clamping requirements of most workpieces, so the 2n series increasing structure is a preferable structure.
The first rotating block 5, the second rotating block 4, and the third rotating block 3 may all adopt corresponding materials, such as high carbon steel, for parameters such as material of the workpiece in actual working conditions, and the like, which is not described in detail herein.
The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.
Claims (10)
1. The utility model provides a self-adaptation heterotypic work piece's bench vice structure of keeping silent, includes pincers body (1), pincers body (1) top is rotated and is installed jaw seat (2), its characterized in that: the jaw seats (2) are provided with a group, each group of jaw seats (2) is provided with a movable clamping assembly, the movable clamping assembly comprises a third rotating block (3) rotatably connected with the jaw seats (2), a second rotating block (4) rotatably connected with one side of the third rotating block (3) departing from the jaw seats (2), and a first rotating block (5) rotatably connected with one side of the second rotating block (4) departing from the third rotating block (3), the first rotating block (5) is contacted with a workpiece,
the first rotating block (5) is embedded into the second rotating block (4), the second rotating block (4) is embedded into the third rotating block (3), the third rotating block (3) is embedded into the jaw seat (2),
one side of the first rotating block (5) departing from the second rotating block (4) is used for clamping a workpiece; the number of the third rotating blocks (3), the number of the second rotating blocks (4) and the number of the first rotating blocks (5) are arranged in an increasing mode.
2. The vise jaw structure for adapting to a profiled workpiece of claim 1, wherein: the first rotating block (5) is a semi-cylinder, and a first boss (6) is arranged on one side of the arc surface of the first rotating block (5); the first lug boss (6) is embedded in the second rotating block (4).
3. The vise jaw structure for adapting to a profiled workpiece of claim 2, wherein: the second rotating block (4) is arranged to be a semi-cylinder, the second rotating block (4) comprises an outer convex surface and an inner concave surface, and the first rotating block (5) is movably embedded in the inner concave surface of the second rotating block (4).
4. The vise jaw structure for adapting to a profiled workpiece of claim 3, wherein: one side, facing the first rotating block (5), of the second rotating block (4) is provided with a first groove (7), and the first boss (6) falls into the first groove (7) and reciprocates along the first groove (7).
5. The vise jaw structure for adapting to a profiled workpiece of claim 1, wherein: the third rotating block (3) is of an equal-ratio amplification structure of the second rotating block (4).
6. The vise jaw structure for adapting to a profiled workpiece of claim 5, wherein: and a second boss (8) is arranged on the outer convex surface of the second rotating block (4), a second groove (9) is arranged on one side, facing the second rotating block (4), of the third rotating block (3), and the second boss (8) falls in the second groove (9) and reciprocates along the second groove (9).
7. The vise jaw structure for adapting to a profiled workpiece of claim 1, wherein: a third boss (10) is arranged on one side of the third rotating block (3) facing the jaw seat (2), an inner concave surface is arranged on one side of the jaw seat (2) facing the third rotating block (3), and a third groove (11) is arranged on the inner concave surface; the third boss (10) is dropped in the third groove (11) and reciprocates along the third groove (11).
8. The vise jaw structure for adapting to a contoured workpiece of claim 1, wherein: the number of the third rotating blocks (3), the second rotating blocks (4) and the first rotating blocks (5) is increased in a series manner.
9. The vise jaw structure for adapting to a profiled workpiece of claim 1, wherein: one side of each first rotating block (5) facing the workpiece is a vertical plane, and the rotating blocks rotate independently between the adjacent first rotating blocks (5) and between the adjacent second rotating blocks (4); the bottom of the jaw seat (2) is provided with a rotating shaft (12) connected with the jaw body (1).
10. A method of clamping a vise jaw structure using the adaptive profiled workpiece of claim 1, comprising the steps of:
in an initial state, a workpiece placing space is reserved between the jaw seats (2) at the two sides; after the workpiece is placed between the jaw seats (2) at the two sides, the jaw seats (2) at the two sides approach to each other; after the first rotating block (5) is contacted with the workpiece, in the process that the jaw seat (2) is continuously close to each other in opposite directions, the working surface of the first rotating block (5) is contacted with the workpiece, and then the first rotating block and the second rotating block (4) rotate relatively under the reaction force of the workpiece; at the moment, the jaw seats (2) are continuously close to each other in opposite directions, the reaction force is transmitted to the second rotating block (4) and the third rotating block (3), and the first rotating block (5), the second rotating block (4), the third rotating block (3) and the jaw seats (2) are relatively rotated until the working faces of the first rotating block (5) are completely attached to the outer contour of the workpiece, so that the workpiece is completely limited.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111230751.9A CN113814905A (en) | 2021-10-22 | 2021-10-22 | Self-adaptive bench vice jaw structure for special-shaped workpiece and clamping method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111230751.9A CN113814905A (en) | 2021-10-22 | 2021-10-22 | Self-adaptive bench vice jaw structure for special-shaped workpiece and clamping method |
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| Publication Number | Publication Date |
|---|---|
| CN113814905A true CN113814905A (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111230751.9A Pending CN113814905A (en) | 2021-10-22 | 2021-10-22 | Self-adaptive bench vice jaw structure for special-shaped workpiece and clamping method |
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| CN (1) | CN113814905A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113878382A (en) * | 2021-11-01 | 2022-01-04 | 重庆大学 | Fractal fixture unit, fractal fixture and fractal fixture device |
| CN114227324A (en) * | 2022-01-12 | 2022-03-25 | 三峡大学 | Wrapped type tool clamp for special-shaped parts and using method |
| CN114633156A (en) * | 2022-03-22 | 2022-06-17 | 青岛宏泰铜业有限公司 | Copper pipe turning joint processing equipment |
| CN115055996A (en) * | 2022-07-13 | 2022-09-16 | 江苏珀然股份有限公司 | A anchor clamps for drilling of lightweight forging aluminum alloy wheel |
| CN115493470A (en) * | 2022-11-16 | 2022-12-20 | 保定利道交通设施工程有限公司 | Quick measuring device of afforestation trees girth |
| CN116566141A (en) * | 2023-07-11 | 2023-08-08 | 无锡新大力电机有限公司 | Fixing device for assembling compact explosion-proof motor |
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| EP0104286A1 (en) * | 1982-09-28 | 1984-04-04 | Tai-Her Yang | Clamping devices |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113878382A (en) * | 2021-11-01 | 2022-01-04 | 重庆大学 | Fractal fixture unit, fractal fixture and fractal fixture device |
| CN114227324A (en) * | 2022-01-12 | 2022-03-25 | 三峡大学 | Wrapped type tool clamp for special-shaped parts and using method |
| CN114633156A (en) * | 2022-03-22 | 2022-06-17 | 青岛宏泰铜业有限公司 | Copper pipe turning joint processing equipment |
| CN115055996A (en) * | 2022-07-13 | 2022-09-16 | 江苏珀然股份有限公司 | A anchor clamps for drilling of lightweight forging aluminum alloy wheel |
| CN115493470A (en) * | 2022-11-16 | 2022-12-20 | 保定利道交通设施工程有限公司 | Quick measuring device of afforestation trees girth |
| CN115493470B (en) * | 2022-11-16 | 2023-03-03 | 保定利道交通设施工程有限公司 | Quick measuring device of afforestation trees girth |
| CN116566141A (en) * | 2023-07-11 | 2023-08-08 | 无锡新大力电机有限公司 | Fixing device for assembling compact explosion-proof motor |
| CN116566141B (en) * | 2023-07-11 | 2023-09-12 | 无锡新大力电机有限公司 | Fixing device for assembling compact explosion-proof motor |
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Application publication date: 20211221 |