CN219465364U - Multi-working-procedure processing equipment for lower shaft front sleeve - Google Patents
Multi-working-procedure processing equipment for lower shaft front sleeve Download PDFInfo
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- CN219465364U CN219465364U CN202320844424.0U CN202320844424U CN219465364U CN 219465364 U CN219465364 U CN 219465364U CN 202320844424 U CN202320844424 U CN 202320844424U CN 219465364 U CN219465364 U CN 219465364U
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- lower shaft
- front sleeve
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- shaft front
- cylinder
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model belongs to the technical field of machining, in particular to multi-working equipment for a lower shaft front sleeve, which comprises a workbench and a turning device, wherein a feeding working position, a milling working position, a drilling working position, a tapping working position and a discharging working position are circumferentially distributed on the workbench, the turning device comprises a turntable which is driven to rotate by a power device, a plurality of clamps for fixing the lower shaft front sleeve to be machined are arranged on the turntable, each clamp sequentially enters the milling working position, the drilling working position, the tapping working position and the discharging working position along with the rotation of the turntable from the feeding working position, the clamps comprise a placing plate arranged on the turntable and a rotary pressing cylinder for pressing the lower shaft front sleeve on the placing plate, and the lower shaft front sleeve is arranged between a rocker arm of the rotary pressing cylinder and the placing plate and the axis of the lower shaft front sleeve is distributed along the vertical direction. The utility model only needs one clamping, and has high production efficiency; and the clamping is firm, the front sleeve of the lower shaft is not easy to shake, and the machining precision is high.
Description
Technical field:
the utility model belongs to the technical field of machining, and particularly relates to multi-working equipment for a lower shaft front sleeve.
The background technology is as follows:
the lower shaft of the sewing machine is usually required to be sleeved with a shaft sleeve, and a notch 11 and a mounting hole 12 are arranged on the side wall of the front sleeve 1 of the lower shaft. When the lower shaft front sleeve 1 is processed in the prior art, three procedures and three clamping steps are generally needed, firstly, a milling machine is used for milling a gap 11, then a drilling machine is used for drilling a mounting hole 12, finally, a tapping machine is used for tapping the mounting hole 12, and a three-jaw chuck is generally used for clamping one end, far away from the gap 11, of the lower shaft front sleeve 1.
The processing of the lower shaft front sleeve is characterized in that: 1. the production efficiency is low due to the fact that the three times of clamping are carried out; 2. the three-jaw chuck clamps one end of the lower shaft front sleeve, when a gap is milled, holes are drilled and tapped, the other end of the lower shaft front sleeve is easy to shake, machining deviation is caused, and machining precision is low.
The utility model comprises the following steps:
the utility model aims to provide multi-working equipment with a lower shaft front sleeve, which only needs one clamping and has high production efficiency; and the clamping is firm, the front sleeve of the lower shaft is not easy to shake, and the machining precision is high.
The utility model is realized in the following way:
the utility model provides a multi-working equipment of cover before lower axle, includes the workstation and sets up the slewer on the workstation, circumference distributes on the workstation has material loading station, mills station, drilling station, tapping station, unloading station, be equipped with milling device on the milling station, be equipped with drilling device on the drilling station, be equipped with tapping device on the tapping station, slewer includes the carousel that is driven rotatory by power device one, be equipped with a plurality of anchor clamps that are used for fixed cover before the lower axle to wait to process on the carousel, each anchor clamps along with the rotation of carousel by material loading station gets into milling station, drilling station, tapping station and unloading station in proper order, anchor clamps are including setting up on the carousel place the board and with the lower axle front cover press establish the rotatory cylinder that pushes down on placing the board, lower axle front cover sets up between rotatory rocker arm and place the board, and its axis distributes along vertical direction.
In the multi-working-position machining device for the lower shaft front sleeve, the rotary lower pressing cylinder is a double-pressing rotary lower pressing cylinder, a balance block is arranged on one side, opposite to the lower shaft front sleeve, of the double-pressing rotary lower pressing cylinder, one end of the rocker arm is pressed on the lower shaft front sleeve, and the other end of the rocker arm is pressed on the balance block.
In the multi-working-position machining device for the lower shaft front sleeve, the two ends of the rocker arm are respectively provided with the pressing rods, one end of the rocker arm is pressed on the lower shaft front sleeve through the pressing rods, and the other end of the rocker arm is pressed on the balance block through the pressing rods.
In the multi-working-position machining device for the lower shaft front sleeve, the placing plate is provided with the cushion block, the lower shaft front sleeve is placed on the cushion block and is pressed between the rocker arm and the cushion block, and the cushion block is provided with the avoidance groove.
In the multi-working-position machining equipment with the lower shaft sleeved in front, the rotary lower pressing cylinder, the balance block and the cushion block are all arranged on the placing plate.
In the multi-working-position machining device for the lower shaft front sleeve, the cushion block is provided with two positioning pins which are respectively matched with the two axial holes of the lower shaft front sleeve.
In the multi-working-position machining device with the lower shaft and the front sleeve, the milling device comprises a first guide rail vertically arranged on the workbench, a first power head slidably arranged on the first guide rail and a milling cutter arranged on the first power head, wherein the milling cutter is driven by the first power head to rotate and horizontally move, and the milling cutter is fed along the horizontal direction; the drilling device comprises a second power head arranged on the workbench and a drill bit arranged on the second power head, the drill bit is driven by the second power head to rotate and horizontally move, and the drill bit is fed along the horizontal direction; the tapping device comprises a third power head arranged on the workbench and a tap arranged on the third power head, wherein the tap is driven by the third power head to rotate and horizontally move, and the tap is fed along the horizontal direction.
In the multi-working-position machining equipment with the lower shaft front sleeve, a chamfering station is further arranged between the drilling station and the tapping station, a chamfering device is arranged on the chamfering station, the chamfering device comprises a power head IV arranged on the workbench and a chamfering cutter arranged on the power head IV, the chamfering cutter is driven by the power head IV to rotate and horizontally move, and the chamfering cutter is fed along the horizontal direction.
In the multi-working-position machining equipment with the lower shaft front sleeve, the feeding device is arranged on the feeding station and comprises a second guide rail arranged on the workbench along the horizontal direction, a feeding cylinder driven by a third power device to slide on the second guide rail, and a feeding finger cylinder arranged on a piston rod of the feeding cylinder and used for clamping and taking down the lower shaft front sleeve, wherein the feeding cylinder drives the feeding finger cylinder to move up and down.
In the multi-station processing equipment with the lower shaft front sleeve, two feeding cylinders and two feeding finger cylinders are arranged on the rotating disc, and the rotating disc is driven to rotate by the power device.
In the multi-working-position machining device with the lower shaft sleeved in front, the feeding device further comprises a feeding disc which is driven by the power device to horizontally move.
In the multi-working-position machining equipment for the lower shaft front sleeve, the blanking device is arranged on the blanking station and comprises a guide rail III arranged on the workbench along the horizontal direction, a blanking cylinder which is slidably arranged on the guide rail III and is driven by a power device six, and a blanking finger cylinder which is arranged on a piston rod of the blanking cylinder and clamps the lower shaft front sleeve, wherein the blanking cylinder drives the blanking finger cylinder to move up and down.
In the multi-working-position machining device with the lower shaft and the front sleeve, the first power device is a rotary motor or a hydraulic motor, the second power device, the third power device, the fifth power device and the sixth power device are linear motors, cylinders or linear modules, and the fourth power device is a rotary cylinder, a servo motor or a hydraulic motor.
In the multi-working-position machining device with the lower shaft front sleeve, the workbench outer cover is provided with the protective cover.
Compared with the prior art, the utility model has the outstanding advantages that:
1. when the notch and the mounting hole of the lower shaft front sleeve are machined, only one clamping is needed, and the production efficiency is high; the lower shaft front sleeve is pressed on the placing plate through the rotary lower pressing cylinder, so that the clamping is firm, the lower shaft front sleeve is not easy to shake, and the machining precision is high;
2. the rotary pressing cylinder is a double-pressure rotary pressing cylinder, one side of the double-pressure rotary pressing cylinder, which is opposite to the front sleeve of the lower shaft, is provided with the balance weight, one end of the rocker arm is pressed on the front sleeve of the lower shaft, and the other end of the rocker arm is pressed on the balance weight, so that the pressing effect is good;
3. the cushion block is arranged on the placing plate, the lower shaft front sleeve is placed on the cushion block and is pressed between the rocker arm and the cushion block, and the lower shaft front sleeve with different sizes can be adapted, so that the adaptability is high.
Description of the drawings:
FIG. 1 is a perspective view of the lower shaft front sleeve of the present utility model;
FIG. 2 is a perspective view of the utility model without the shield;
FIG. 3 is a perspective view of the front sleeve of the clamp clamping lower shaft of the present utility model;
FIG. 4 is a perspective view of the clamp of the present utility model;
fig. 5 is a perspective view of the present utility model.
Reference numerals: 1. a lower shaft front sleeve; 11. a notch; 12. a mounting hole; 13. an axial bore; 21. a work table; 22. a first power device; 23. a turntable; 24. placing a plate; 25. a rotary pressing cylinder; 25a, rocker arms; 25b, a pressing rod; 26. a balance weight; 27. a cushion block; 27a, avoiding grooves; 28. a positioning pin; 29. a first guide rail; 30. a first power head; 31. a second power head; 32. a drill bit; 33. a third power head; 34. tapping; 35. a power head IV; 36. chamfering tool; 37. a second guide rail; 38. a feeding cylinder; 39. a feeding finger cylinder; 40. a fifth power device; 41. a discharging disc; 42. a guide rail III; 43. a blanking cylinder; 44. a discharging finger cylinder; 45. and a protective cover.
The specific embodiment is as follows:
the utility model is further described below with reference to the specific examples, see fig. 1-5:
the utility model provides a multi-working equipment of lower front axle cover, includes workstation 21 and the rotary device of setting on workstation 21, circumference distributes on the workstation 21 has material loading station, mills station, drilling station, tapping station, unloading station, be equipped with milling device on the milling station, be equipped with drilling device on the drilling station, be equipped with tapping device on the tapping station, rotary device includes by power device one 22 rotatory carousel 23 of drive, be equipped with a plurality of anchor clamps that are used for fixed lower front axle cover 1 to be processed on the carousel 23, each anchor clamps follow the rotation of carousel 23 by material loading station gets into milling station, drilling station, tapping station and unloading station in proper order, anchor clamps are including setting up place board 24 on carousel 23 and with lower front axle cover 1 press the rotatory lower pressure cylinder 25 on place board 24, lower front axle cover 1 sets up between the rocking arm 25a of rotatory lower pressure cylinder 25 and place board 24, and its axis distributes along vertical direction.
The clamping mode of the utility model comprises the following steps: the rocker arm 25a of the rotary pressing cylinder 25 is moved up and rotated by 90 °, the lower shaft front cover 1 is placed on the placing plate 24, and the rocker arm 25 is rotated by 90 ° and is moved down and pressed against the lower shaft front cover 1.
The working principle of the utility model is as follows: as shown in fig. 1-3, the lower shaft front sleeve 1 is clamped on a clamp, a first power device 22 drives a rotary table 23 to rotate, the clamp provided with the lower shaft front sleeve 1 enters a milling station from a feeding station, and a milling device mills a notch 11 of the lower shaft front sleeve 1; the first power device 22 drives the turntable 23 to rotate, the clamp provided with the lower shaft front sleeve 1 enters a drilling station from a milling station, and the drilling device processes and drills the mounting hole 12 of the lower shaft front sleeve 1; the first power device 22 drives the turntable 23 to rotate, the clamp with the lower shaft front sleeve 1 rotates to enter a tapping station from a drilling station, and the tapping device taps the mounting hole 12; the first power device 22 drives the turntable 23 to rotate, and the clamp rotated with the lower shaft front sleeve 1 enters the blanking station from the tapping station, and the lower shaft front sleeve 1 is taken down. The utility model only needs one clamping, and has high production efficiency; the lower shaft front sleeve 1 is pressed on the placing plate 24 through the rotary lower pressing cylinder 25, the clamping is firm, the lower shaft front sleeve 1 is not easy to shake, and the machining precision is high.
In order to better compress the lower shaft front sleeve 1, as shown in fig. 3 and 4, the rotary pressing cylinder 25 is a double-pressure rotary pressing cylinder, one side of the double-pressure rotary pressing cylinder opposite to the lower shaft front sleeve 1 is provided with a balance block 26, and one end of the rocker arm 25a is arranged on the lower shaft front sleeve 1 in a pressing manner, and the other end of the rocker arm is arranged on the balance block 26 in a pressing manner.
Further, two ends of the rocker arm 25a are respectively provided with a pressing rod 25b, one end of the rocker arm 25a is pressed on the lower shaft front sleeve 1 through the pressing rod 25b, and the other end of the rocker arm 25a is pressed on the balance weight 26 through the pressing rod 25 b.
In order to adapt to the lower shaft front sleeve 1 with different sizes, as shown in fig. 3 and 4, a cushion block 27 is arranged on the placing plate 24, the lower shaft front sleeve 1 is placed on the cushion block 27 and pressed between the rocker arm 25a and the cushion block 27, and an avoidance groove 27a is arranged on the cushion block 27 to prevent the milling cutter from touching the cushion block 27 during milling. When the lower shaft front sleeve 1 with different sizes is replaced, only the corresponding cushion blocks 27 are required to be replaced, so that the adaptability is high.
To integrate the clamp for easy mounting to the turntable 23, the rotary hold-down cylinder 25, the counter weight 26 and the spacer 27 are all provided on the placement plate 24.
In order to position the lower shaft front sleeve 1, as shown in fig. 1 and 4, two positioning pins 28 are arranged on the cushion block 27, and the two positioning pins 28 are respectively matched with the two axial holes 13 of the lower shaft front sleeve 1.
The milling device has the structure that: as shown in fig. 2, the milling device comprises a first guide rail 29 vertically arranged on the workbench 21, a first power head 30 slidably arranged on the first guide rail 29 and driven by a second power device, and a milling cutter arranged on the first power head 30, wherein the milling cutter is driven by the first power head 30 to rotate and horizontally move, and the milling cutter is fed in the horizontal direction. The power device II drives the power head I30 to move vertically, and the milling cutter is driven by the power head I30 to rotate and move horizontally to mill the notch 11 of the lower shaft front sleeve 1.
The structure of the drilling device: as shown in fig. 2, the drilling device comprises a second power head 31 arranged on the workbench 21 and a drill bit 32 arranged on the second power head 31, the drill bit 32 is driven to rotate and horizontally move by the second power head 31, and the drill bit 32 is fed in the horizontal direction.
The structure of the tapping device: as shown in fig. 2, the tapping device comprises a third power head 33 arranged on the workbench 21 and a tap 34 arranged on the third power head 33, the tap 34 is driven by the third power head 33 to rotate and horizontally move, and the tap 34 is fed in the horizontal direction.
In order to chamfer the mounting hole 12, as shown in fig. 2, a chamfering station is further arranged between the drilling station and the tapping station, a chamfering device is arranged on the chamfering station, the chamfering device comprises a power head four 35 arranged on the workbench 21 and a chamfering cutter 36 arranged on the power head four 35, the chamfering cutter 36 is driven to rotate and horizontally move by the power head four 35, and the chamfering cutter 36 is fed along the horizontal direction.
In order to realize automatic feeding and reduce the labor intensity of operators, as shown in fig. 2, a feeding device is arranged on the feeding station and comprises a second guide rail 37 arranged on the workbench 21 along the horizontal direction, a feeding cylinder 38 which is driven by a third power device to slide on the second guide rail 37, and a feeding finger cylinder 39 which is arranged on a piston rod of the feeding cylinder 38 and clamps and removes the front shaft sleeve 1, wherein the feeding cylinder 38 drives the feeding finger cylinder 39 to move up and down. After the front shaft sleeve 1 is clamped and removed by the feeding finger cylinder 39, the feeding finger cylinder 39 is driven to move upwards by the feeding cylinder 38, the clamp is horizontally moved to the upper side by the feeding cylinder 38, the clamp is horizontally moved by the feeding finger cylinder 39, the lower shaft sleeve 1 is loosened by the feeding finger cylinder 39, the upper side by the feeding cylinder 38, and the clamp is horizontally moved by the feeding finger cylinder 38.
In order to improve efficiency, the front sleeve 1 of the lower shaft is clamped at a time, two feeding cylinders 38 and two feeding finger cylinders 39 are arranged, the two feeding cylinders 38 are arranged on a rotating disc, and the rotating disc is driven to rotate by a power device four. After the lower shaft front sleeve 1 clamped by one feeding finger cylinder 39 is placed on a clamp, the power device four drives the rotating disc to rotate 180 degrees, and the lower shaft front sleeve 1 clamped by the other feeding finger cylinder 39 is placed on the next clamp.
In order to facilitate feeding, the feeding device further comprises a feeding disc 41 which is driven by the power device five 40 to horizontally move.
In order to automatically discharge, the labor intensity of operators is reduced, as shown in fig. 2, a discharging device is arranged on the discharging station, the discharging device comprises a guide rail III 42 arranged on the workbench 21 along the horizontal direction, a discharging air cylinder 43 which is driven by a power device six to slide on the guide rail III 42, and a discharging finger air cylinder 44 which is arranged on a piston rod of the discharging air cylinder 43 and clamps and removes the front shaft sleeve 1, and the discharging air cylinder 43 drives the discharging finger air cylinder 44 to move up and down. The blanking cylinder 43 drives the blanking finger cylinder 44 to move downwards, the blanking finger cylinder 44 clamps the lower shaft front sleeve 1 on the clamp, the blanking cylinder 43 drives the blanking finger cylinder 44 to move upwards, and the power device six drives the blanking cylinder 43 to move horizontally away from the upper part of the clamp.
Preferably, the first power device 22 is a rotary motor or a hydraulic motor, the second power device, the third power device, the fifth power device 40 and the sixth power device are linear motors, cylinders or linear modules, and the fourth power device is a rotary cylinder, a servo motor or a hydraulic motor. In this embodiment, the first power unit 22 is a rotary motor, the second power unit, the third power unit, the fifth power unit 40 and the sixth power unit are linear modules, and the fourth power unit is a rotary cylinder.
In order to effectively protect the operator and prevent the sweeps from flying, the table 21 is provided with a protective cover 45 as shown in fig. 5.
The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model, therefore: all equivalent changes in shape, structure and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (9)
1. The utility model provides a multiplex processing equipment of lower axle front shroud which characterized in that: including workstation (21) and the slewer of setting on workstation (21), circumference distributes on workstation (21) has material loading station, mills station, drilling station, tapping station, unloading station, be equipped with milling device on the milling station, be equipped with drilling device on the drilling station, be equipped with tapping device on the tapping station, slewer includes by power device one (22) drive rotatory carousel (23), be equipped with a plurality of anchor clamps that are used for fixed lower axle front cover (1) of waiting to process on carousel (23), each anchor clamps follow the rotation of carousel (23) by material loading station gets into milling station, drilling station, tapping station and unloading station in proper order, anchor clamps are including setting up place board (24) on carousel (23) and with lower axle front cover (1) pressure and establish rotatory lower pressure cylinder (25) on place board (24), lower axle front cover (1) set up between rocking arm (25 a) and the place board (24) of rotatory lower pressure cylinder (25), and its axis distributes along vertical direction.
2. The multi-working apparatus of the lower shaft front sleeve of claim 1, wherein: the rotary pressing cylinder (25) is a double-pressure rotary pressing cylinder, one side of the double-pressure rotary pressing cylinder, which is opposite to the lower shaft front sleeve (1), is provided with a balance block (26), one end of the rocker arm (25 a) is pressed on the lower shaft front sleeve (1), and the other end of the rocker arm is pressed on the balance block (26).
3. The multi-working apparatus of the lower shaft front sleeve of claim 1, wherein: the lower shaft front sleeve (1) is placed on the cushion block (27) and is pressed between the rocker arm (25 a) and the cushion block (27), and the cushion block (27) is provided with an avoidance groove (27 a).
4. A multi-process tool for a lower shaft front sleeve as defined in claim 3, wherein: two locating pins (28) are arranged on the cushion block (27), and the two locating pins (28) are respectively matched with the two axial holes (13) of the lower shaft front sleeve (1).
5. The multi-working apparatus of the lower shaft front sleeve of claim 1, wherein: the milling device comprises a first guide rail (29) vertically arranged on the workbench (21), a first power head (30) which is driven by a second power device and is arranged on the first guide rail (29) in a sliding manner, and a milling cutter which is arranged on the first power head (30), wherein the milling cutter is driven by the first power head (30) to rotate and horizontally move, and the milling cutter is fed in the horizontal direction; the drilling device comprises a second power head (31) arranged on the workbench (21) and a drill bit (32) arranged on the second power head (31), the drill bit (32) is driven by the second power head (31) to rotate and horizontally move, and the drill bit (32) is fed along the horizontal direction; the tapping device comprises a power head III (33) arranged on the workbench (21) and a tap (34) arranged on the power head III (33), wherein the tap (34) is driven by the power head III (33) to rotate and horizontally move, and the tap (34) is fed along the horizontal direction.
6. The multi-working apparatus of the lower shaft front sleeve of claim 1, wherein: the chamfering device comprises a power head IV (35) arranged on the workbench (21) and a chamfering cutter (36) arranged on the power head IV (35), the chamfering cutter (36) is driven by the power head IV (35) to rotate and horizontally move, and the chamfering cutter (36) is fed along the horizontal direction.
7. The multi-working apparatus of the lower shaft front sleeve of claim 1, wherein: the feeding device is arranged on the feeding station and comprises a second guide rail (37) arranged on the workbench (21) along the horizontal direction, a feeding air cylinder (38) which is slidably arranged on the second guide rail (37) and driven by a third power device, and a feeding finger air cylinder (39) which is arranged on a piston rod of the feeding air cylinder (38) and clamps the front shaft sleeve (1), wherein the feeding air cylinder (38) drives the feeding finger air cylinder (39) to move up and down.
8. The multi-station tooling apparatus for a lower shaft front sleeve of claim 7, wherein: the feeding device further comprises a discharging disc (41) which is driven by the power device five (40) to move horizontally.
9. The multi-working apparatus of the lower shaft front sleeve of claim 1, wherein: the blanking device is arranged on the blanking station and comprises a guide rail III (42) arranged on the workbench (21) along the horizontal direction, a blanking cylinder (43) which is slidably arranged on the guide rail III (42) by six driving of the power device, and a blanking finger cylinder (44) which is arranged on a piston rod of the blanking cylinder (43) and clamps the front sleeve (1) of the lower shaft, wherein the blanking cylinder (43) drives the blanking finger cylinder (44) to move up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320844424.0U CN219465364U (en) | 2023-04-11 | 2023-04-11 | Multi-working-procedure processing equipment for lower shaft front sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320844424.0U CN219465364U (en) | 2023-04-11 | 2023-04-11 | Multi-working-procedure processing equipment for lower shaft front sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219465364U true CN219465364U (en) | 2023-08-04 |
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ID=87440232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320844424.0U Active CN219465364U (en) | 2023-04-11 | 2023-04-11 | Multi-working-procedure processing equipment for lower shaft front sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219465364U (en) |
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2023
- 2023-04-11 CN CN202320844424.0U patent/CN219465364U/en active Active
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