CN204234546U - A kind of rotary pressing moulding device of metal thin-wall tubular workpiece - Google Patents
A kind of rotary pressing moulding device of metal thin-wall tubular workpiece Download PDFInfo
- Publication number
- CN204234546U CN204234546U CN201420354440.2U CN201420354440U CN204234546U CN 204234546 U CN204234546 U CN 204234546U CN 201420354440 U CN201420354440 U CN 201420354440U CN 204234546 U CN204234546 U CN 204234546U
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- mandrel
- finishing die
- axial
- beading
- rotary pressing
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Abstract
The utility model provides a kind of rotary pressing moulding device of metal thin-wall tubular workpiece, its can solve adopt tradition one by one spin-on process cannot ensure the problem that work machining accuracy heart working (machining) efficiency is low, simultaneously its rotary pressing processing complete after workpiece unloading convenient.It comprises mandrel and spinning mold, spinning mold comprises finishing die and beading roller, the axis hole of mandrel hole formed therethrough mould, finishing die is anchored on mandrel by positioning and fastening arrangement, mandrel and machine tool chief axis are in transmission connection, during rotary pressing processing, finishing die rotates under the drive of machine tool chief axis with mandrel, finishing die periphery is provided with forming face, it is characterized in that: beading roller is installed on the knife rest of lathe by beading wheel support, the outer peripheral face of beading roller is the beading profile of mating with whole forming face, and beading roller is axially parallel and just right with finishing die.
Description
Technical field
The utility model relates to spinning mold construction applications, especially relates to the mould pressing field of metal thin-wall tubular work, is specially a kind of mould pressing mould structure of metal thin-wall tubular workpiece.
Background technology
Spinning is fixed on the mould of spinning machine by dull and stereotyped or hollow blank, while blank is with lathe main axis, with spinning roller or catch up with rod to stress on blank, makes it the plastic deformation producing local.Under the feed motion of spinning roller and the rotary motion acting in conjunction of blank, make the plastic deformation of local expand to all surfaces of blank step by step, and be close to mould, the spinning process carried out under normal temperature condition is called cold spinning.Spinning product design is of all kinds, and can be completed the various work such as shaping, undergauge, closing in, back cover, flange, crimping, beading by spinning, its product is widely used in all trades and professions.Such as process a kind of corrugated stainless steel tubing 70, structure is shown in Fig. 1, its tube wall has some arc grooves 71, and add and be placed on by blank on finishing die 80 man-hour, spinning roller 90 is loaded on lathe saddle 94, press rolling spin with finishing die 80, hand feed extrudes the arc groove 71 of bellows one by one, sees Fig. 2, and its shortcoming is that the some arc grooves of bellows are by regulating knife rest to move by spinning roller mould pressing one by one, thus cannot ensure that the degree of depth of each arc groove is consistent, affect product quality, and adopt the mode working (machining) efficiency of spinning one by one low, in addition, its finishing die adopts the form of radial distinguish split, as shown in Figure 3, its finishing die is radially divided into five pieces of shaping lobe moulds to be respectively 81, 82, 83, 84 and 85, the split of five pieces of shaping lobe moulds is in mandrel periphery, mandrel 93 is lock onto by locking nut 92 after being compressed by both ends cone lid 91, blank is placed on the shaping mould after split 80 periphery during spinning, to be pressed rolling spin by the spinning roller 90 be installed on lathe saddle and finishing die thus extrude each arc groove one by one, the first unload lock jack panel 92 of needs after spinning completes, extract mandrel 93 out, just workpiece can be taken off after detaching each shaping lobe mould more respectively, thus there is the shortcoming of inloading part inconvenience in it.
Summary of the invention
For the problems referred to above, the utility model provides a kind of rotary pressing moulding device structure of metal thin-wall tubular workpiece, its can solve adopt tradition one by one spin-on process cannot ensure the problem that work machining accuracy, working (machining) efficiency are low, simultaneously its rotary pressing processing complete after workpiece unloading convenient.
Its technical scheme is, it comprises mandrel and spinning mold, described spinning mold comprises finishing die and beading roller, described mandrel runs through the axis hole of described finishing die, described finishing die is anchored on described mandrel by positioning and fastening arrangement, described mandrel and machine tool chief axis are in transmission connection, during rotary pressing processing, described finishing die rotates under the drive of machine tool chief axis with described mandrel, described finishing die periphery is provided with forming face, it is characterized in that: described beading roller is installed on by beading wheel support on the knife rest of described lathe, the outer peripheral face of described beading roller is the beading profile of mating with whole described forming face, described beading roller is axially parallel and just right with described finishing die.
It is further characterized in that:
Described beading wheel support comprises feet and Hough fixed block, described feet is installed on the knife rest of described lathe along the axis of described beading roller, the upper end of the axial both sides of described feet is separately installed with a described Hough fixed block, and described beading roller shaft is installed in described Hough fixed block to the external part of both sides respectively by fixed cover;
Described beading roller shaft between the external part and described fixed cover at two ends for being slidably matched;
Described Hough fixed block comprises bottom fixed block and top compact heap, described bottom fixed block and top compact heap have the semicircle holding tank mated to external part outer peripheral face with described beading roller shaft, described bottom fixed block is fixedly installed in described feet, described fixed cover is pressed in described bottom fixed block by described top compact heap, is locked between described top compact heap and bottom fixed block by clamping screw.
Its further feature is also:
Described finishing die is splitted structure, described finishing die at least comprises two shaping lobe moulds, described at least two shaping lobe moulds radially piece together entirety and are placed on described mandrel periphery, after the split of described at least two shaping lobe moulds, its axial both ends are anchored on described mandrel by described positioning and fastening arrangement, cone match between the inner circumferential surrounded after the split of described at least two shaping lobe moulds and described mandrel periphery;
Described positioning and fastening arrangement comprises end cap, pad, locking nut and extension spring, described end cap is set on described mandrel, axis two outboard ends of described finishing die are respectively by described end cap axial grip, and the axis of end cap described in two ends outside respectively by pad, locking nut axial locking on described mandrel, to lock radial for described at least two shaping lobe moulds in the outer peripheral groove of the axial end portion after at least two shaping lobe moulds split described in described extension spring hoop is loaded on;
Described end cap comprises positioning end cover and compresses end cap, described mandrel is provided with positioning table terrace near described machine tool chief axis link side, described positioning end cover is set on described mandrel and by described positioning step face axial location, described compression end cap is set in described mandrel one end away from described machine tool chief axis link;
Described positioning end cover and compression end cap are the circulus having axial Baltimore groove, the axial end portion of described finishing die stretches in described Baltimore groove, the axial end of described finishing die contacts with described Baltimore groove bottom surface the axial location realized finishing die, it is spacing that described finishing die faced by described Baltimore groove internal circle groove carries out radial direction, and the notch end face of described Baltimore groove contacts with the axial end of workpiece blank the axial location realized workpiece blank;
Described positioning and fastening arrangement is also provided with automatic discharging structure, described automatic discharging structure comprises top board, supporting plate and Compress Spring, described supporting plate and top board are all set on described mandrel, and described supporting plate is positioned at the axially outside of described positioning end cover, described top board is positioned at the axially inner side of described positioning end cover, by described locking nut between described supporting plate and positioning end cover, pad axial locking, described positioning end cover has axially extending bore, described supporting plate has the counterbore with described axially extending bore UNICOM, in described axially extending bore, described Compress Spring is installed, described Compress Spring one end is spacing by the step surface of described counterbore, the other end is by described top board axial compression, described finishing die is near the axial end of lathe link and described top board axial compression,
By pin axial locking between described supporting plate, positioning end cover, top board.
The beneficial effect of the utility model mould pressing mould is:
(1) its beading roller is installed on lathe cutter saddle by beading wheel support, the outer peripheral face of beading roller is beading face, the outer peripheral face of beading roller is the beading profile of mating with the whole forming face of finishing die periphery, and beading roller is axially parallel and just right with finishing die, add man-hour workpiece blank and be set in the periphery of finishing die, machine tool chief axis band moving mandrel and the finishing die synchronous rotary being installed on mandrel, finishing die and beading pair of rollers are rolled spin and are pressed, carried out into the spinning operation of workpiece by the amount of feeding controlling beading roller while workpiece blank rotates along with finishing die, thus reach a spinning and can complete the once-forming of workpiece configurations multiple muscle groove, ensure the forming quality of workpiece and effectively improve working (machining) efficiency,
(2) beading wheel support have employed Hough fixed block and beading roller is installed on feet, and the assembling of beading roller is convenient, and can ensure that axial, the radial location of beading roller are stablized; And the external part at the axial two ends of beading roller is installed in Hough fixed block by fixed cover, is slidably matched between beading roller and fixed cover, ensure that beading roller can reliably rotate, thus ensure the precision of rotary pressing processing;
(3) finishing die is the splitted structure of radial split, at least two radial splits of shaping lobe mould also axially fasten in mandrel periphery by positioning and fastening arrangement, at least two shaping lobe moulds just can be detached mandrel one segment distance by the positioning and fastening arrangement that only need unclamp finishing die one end when carrying out discharging after rotary pressing processing completes like a cork, because the outer peripheral face of the inner peripheral surface after the split of at least two shaping lobe moulds and mandrel is cone match, so time finishing die split after external diameter be less than the internal diameter of workpiece, workpiece can be taken off smoothly, it does not need shaping lobe mould to extract out from mandrel completely, discharging is convenient, also greatly working (machining) efficiency can be improved,
(4) end cap in positioning and fastening arrangement is the circulus having axial Baltimore groove, the axial end portion of finishing die stretches in the Baltimore groove of end cap, the axial end of finishing die contacts with the Baltimore groove bottom surface of end cap the axial location realized finishing die, and the Baltimore groove internal circle groove of end cap is in the face of that finishing die carries out radial direction is spacing, thus ensure that finishing die axis, radial location and spacing; And the notch end face of the Baltimore groove of end cap contacts the axial location realized workpiece stock with the axial end of workpiece blank, prevent workpiece blank in spinning process from axial play occurring, guarantee the quality of rotary pressing processing further;
(5) positioning and fastening arrangement is also provided with automatic discharging structure, the supporting plate being positioned at the axial outside of positioning end cover is wherein by locking nut and pad and positioning end cover axial locking, this positioning end cover has axially extending bore, supporting plate has the counterbore with this axially extending bore UNICOM, in counterbore, Compress Spring is installed, Compress Spring is positioned at the top board of the axial inner side of positioning end cover through holding out against after the axially extending bore of positioning end cover, after spinning completes, unclamp the locking nut away from the side of machine tool chief axis link on mandrel, top board, and at least two shaping valves move horizontally under the effect of Compress Spring screen resilience, at least two shaping lobe moulds can move along the conical surface of mandrel thus realize the reduced diameter of at least two shaping lobe moulds all the time under the effect of the extension spring of periphery simultaneously, be convenient to unloading from finishing die of workpiece, its discharging is convenient, further can improve working (machining) efficiency.
Accompanying drawing explanation
Fig. 1 is the bellows schematic diagram adopting rotary pressing processing to be shaped;
Fig. 2 is the structural representation of the mould pressing mould adopting bellows in spinning processing method manuscript 1;
Fig. 3 is the left TV structure schematic diagram of Fig. 2;
Fig. 4 is the schematic diagram of bellows in rotary pressing processing Fig. 1;
Fig. 5 is the structural representation of the utility model rotary pressing moulding device;
Fig. 6 is the left TV structure schematic diagram of Fig. 5;
Fig. 7 is the structure for amplifying schematic diagram of mandrel 10 in Fig. 5;
Fig. 8 is the structure for amplifying schematic diagram of finishing die 20 in Fig. 5;
Fig. 9 is the splitted structure schematic diagram of finishing die 20 in the utility model embodiment;
Figure 10 is the structure for amplifying schematic diagram of beading roller 40 in Fig. 5;
Figure 11 is the structure for amplifying schematic diagram of positioning end cover 31-1 in Fig. 5;
Figure 12 is the structure for amplifying schematic diagram of supporting plate 62 in Fig. 5.
Detailed description of the invention
See Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 and Figure 10, the utility model rotary pressing moulding device comprises mandrel 10 and spinning mold, spinning mold comprises finishing die 20 and beading roller 40, the axis hole 210 of mandrel 10 hole formed therethrough mould 20, finishing die 20 is anchored on mandrel 10 by positioning and fastening arrangement 30, mandrel 10 and machine tool chief axis are in transmission connection, during rotary pressing processing, finishing die 20 rotates under the drive of machine tool chief axis with mandrel, the outer peripheral face of finishing die 20 is provided with forming face 25, beading roller 40 is installed on the knife rest of lathe by beading wheel support 50, the outer peripheral face of beading roller 40 is the beading profile 43 of mating with whole forming face, beading roller 40 is axially parallel and just right with finishing die 20.
Beading wheel support 50 comprises feet 51 and Hough fixed block 52, feet 51 is installed on the knife rest of lathe along the axis of beading roller 40, the upper end of the axial both sides of feet 51 is separately installed with a Hough fixed block 52, and the external part 42 of the axial both sides of beading roller 40 is installed in Hough fixed block 52 respectively by fixed cover 41;
For being slidably matched between the external part at the axial two ends of beading roller 40 and fixed cover 41;
Hough fixed block 52 comprises bottom fixed block 52-1 and top compact heap 52-2, bottom fixed block 52-1 and top compact heap 52-2 has the semicircle holding tank mated with beading roller 40 axial external part outer peripheral face, bottom fixed block 52-1 is fixedly installed in feet 501, fixed cover 41 is pressed in the semicircle holding tank of bottom fixed block 52-2 by top compact heap 52-2, is locked between top compact heap 52-2 and bottom fixed block 52-1 by clamping screw 53.
Finishing die 20 is splitted structure, finishing die at least comprises two shaping lobe moulds, in the present embodiment, finishing die is radially put together by four shaping lobe moulds 21,22,23,24, see Fig. 7, four shaping lobe moulds radially piece together entirety and are placed on mandrel 10 periphery, after the split of four shaping lobe moulds 21,22,23,24, its axial both ends lock onto on mandrel 10 by positioning and fastening arrangement 30, cone match between the inner circumferential 26 surrounded after the split of four shaping lobe moulds 21,22,23,24 and mandrel 10 periphery 12;
Positioning and fastening arrangement 30 comprises end cap 31, pad 32, locking nut 33 and extension spring 34, end cap 31 is set on mandrel 10, axis two outboard ends of finishing die 20 are respectively by end cap 31 axial grip, and the axis of two ends end cap 31 outside respectively by pad 32, locking nut 33 axial locking on mandrel 10, extension spring 34 hoop is loaded in the ring-shaped groove 29 of the periphery of the axial end portion 27 of the finishing die 20 that four shaping lobe moulds 21,22,23,24 piece together, thus by the locking of four shaping lobe mould 21,22,23,24 radial directions; End cap 31 comprises positioning end cover 31-1 and compresses end cap 31-2, mandrel 10 is provided with positioning table terrace 11 near machine tool chief axis link side, positioning end cover 31-1 to be set on mandrel 10 and by positioning table terrace 11 axial location, to compress end cap 31-2 and be set in mandrel one end away from machine tool chief axis link;
Positioning end cover 31-1 and compression end cap 31-2 is the circulus having axial Baltimore groove 35, the structure of positioning end cover 31-1 is shown in Figure 11, the axial end portion 27 of finishing die 20 stretches in the Baltimore groove 35 of end cap, the axial end 28 of finishing die 20 contacts with the Baltimore groove bottom surface 35-1 of end cap 31 axial location realized finishing die 20, it is spacing that the Baltimore groove 35 inner circumferential groove face 35-2 of end cap carries out radial direction to finishing die 20, and the notch end face of the Baltimore groove 35 of end cap contacts with the axial end of workpiece blank the axial location realized workpiece blank;
Positioning and fastening arrangement 30 is also provided with automatic discharging structure 60, automatic discharging structure comprises top board 61, supporting plate 62 and Compress Spring 63, supporting plate 62 and top board 61 are all set on mandrel 10, and supporting plate 62 is positioned at the axially outside of positioning end cover 31-1, top board 61 is positioned at the axially inner side of positioning end cover 31-1, by locking nut 33 between supporting plate 62 and positioning end cover 31-1, pad 32 axial locking, positioning end cover 31-1 has axially extending bore 65, supporting plate 62 has the counterbore 66 with axially extending bore 65 UNICOM, see Figure 12, Compress Spring 63 is installed in axially extending bore 65, Compress Spring 63 one end is spacing by the step surface 66-1 of counterbore 66, the other end is by top board 61 axial compression, described finishing die is near the axial end of lathe link and described top board axial compression, by pin 64 axial locking between supporting plate 62, positioning end cover 31-1, top board 61.
Claims (10)
1. the rotary pressing moulding device of a metal thin-wall tubular workpiece, it comprises mandrel and spinning mold, described spinning mold comprises finishing die and beading roller, described mandrel runs through the axis hole of described finishing die, described finishing die is anchored on described mandrel by positioning and fastening arrangement, described mandrel and machine tool chief axis are in transmission connection, during rotary pressing processing, described finishing die rotates under the drive of machine tool chief axis with described mandrel, described finishing die periphery is provided with forming face, it is characterized in that: described beading roller is installed on by beading wheel support on the knife rest of described lathe, the outer peripheral face of described beading roller is the beading profile of mating with whole described forming face, described beading roller is axially parallel and just right with described finishing die.
2. the rotary pressing moulding device of a kind of metal thin-wall tubular workpiece according to claim 1, it is characterized in that: described beading wheel support comprises feet and Hough fixed block, described feet is installed on the knife rest of described lathe along the axis of described beading roller, the upper end of the axial both sides of described feet is separately installed with a described Hough fixed block, and described beading roller shaft is installed in described Hough fixed block to the external part of both sides respectively by fixed cover.
3. the rotary pressing moulding device of a kind of metal thin-wall tubular workpiece according to claim 2, is characterized in that: described beading roller shaft between the external part and described fixed cover at two ends for being slidably matched.
4. the rotary pressing moulding device of a kind of metal thin-wall tubular workpiece according to Claims 2 or 3, it is characterized in that: described Hough fixed block comprises bottom fixed block and top compact heap, described bottom fixed block and top compact heap have the semicircle holding tank mated to external part outer peripheral face with described beading roller shaft, described bottom fixed block is fixedly installed in described feet, described fixed cover is pressed in described bottom fixed block by described top compact heap, is locked between described top compact heap and bottom fixed block by clamping screw.
5. the rotary pressing moulding device of a kind of metal thin-wall tubular workpiece according to claim 1, it is characterized in that: described finishing die is splitted structure, described finishing die at least comprises two shaping lobe moulds, described at least two shaping lobe moulds radially piece together entirety and are placed on described mandrel periphery, after the split of described at least two shaping lobe moulds, its axial both ends are anchored on described mandrel by described positioning and fastening arrangement, cone match between the inner circumferential surrounded after the split of described at least two shaping lobe moulds and described mandrel periphery.
6. the rotary pressing moulding device of a kind of metal thin-wall tubular workpiece according to claim 5, it is characterized in that: described positioning and fastening arrangement comprises end cap, pad, locking nut and extension spring, described end cap is set on described mandrel, axis two outboard ends of described finishing die are respectively by described end cap axial grip, and the axis of end cap described in two ends outside is respectively by pad, locking nut axial locking is on described mandrel, to lock radial for described at least two shaping lobe moulds in the outer peripheral groove of the axial end portion after at least two shaping lobe moulds split described in described extension spring hoop is loaded on.
7. the rotary pressing moulding device of a kind of metal thin-wall tubular workpiece according to claim 6, it is characterized in that: described end cap comprises positioning end cover and compresses end cap, described mandrel is provided with positioning table terrace near described machine tool chief axis link side, described positioning end cover is set on described mandrel and by described positioning step face axial location, described compression end cap is set in described mandrel one end away from described machine tool chief axis link.
8. the rotary pressing moulding device of a kind of metal thin-wall tubular workpiece according to claim 7, it is characterized in that: described positioning end cover and compression end cap are the circulus having axial Baltimore groove, the axial end portion of described finishing die stretches in described Baltimore groove, the axial end of described finishing die contacts with described Baltimore groove bottom surface the axial location realized finishing die, it is spacing that described finishing die faced by described Baltimore groove internal circle groove carries out radial direction, and the notch end face of described Baltimore groove contacts with the axial end of workpiece blank the axial location realized workpiece blank.
9. the rotary pressing moulding device of a kind of metal thin-wall tubular workpiece according to claim 8, it is characterized in that: described positioning and fastening arrangement is also provided with automatic discharging structure, described automatic discharging structure comprises top board, supporting plate and Compress Spring, described supporting plate and top board are all set on described mandrel, and described supporting plate is positioned at the axially outside of described positioning end cover, described top board is positioned at the axially inner side of described positioning end cover, by described locking nut between described supporting plate and positioning end cover, pad axial locking, described positioning end cover has axially extending bore, described supporting plate has the counterbore with described axially extending bore UNICOM, in described axially extending bore, described Compress Spring is installed, described Compress Spring one end is spacing by the step surface of described counterbore, the other end is by described top board axial compression, described finishing die is near the axial end of lathe link and described top board axial compression.
10. the rotary pressing moulding device of a kind of metal thin-wall tubular workpiece according to claim 9, is characterized in that: by pin axial locking between described supporting plate, positioning end cover, top board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420354440.2U CN204234546U (en) | 2014-06-30 | 2014-06-30 | A kind of rotary pressing moulding device of metal thin-wall tubular workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420354440.2U CN204234546U (en) | 2014-06-30 | 2014-06-30 | A kind of rotary pressing moulding device of metal thin-wall tubular workpiece |
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| CN204234546U true CN204234546U (en) | 2015-04-01 |
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| CN201420354440.2U Withdrawn - After Issue CN204234546U (en) | 2014-06-30 | 2014-06-30 | A kind of rotary pressing moulding device of metal thin-wall tubular workpiece |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104107853A (en) * | 2014-06-30 | 2014-10-22 | 无锡曙光模具有限公司 | Spinning forming device of metal thin-walled cylindrical work piece |
| CN108838278A (en) * | 2018-07-23 | 2018-11-20 | 太原科技大学 | It is a kind of for forming the vertical punching mould of motor casing label |
| CN109201833A (en) * | 2018-08-14 | 2019-01-15 | 贵州永红航空机械有限责任公司 | A kind of device and method of metal thin-wall shield reinforcing rib spinning |
| CN109396262A (en) * | 2018-10-12 | 2019-03-01 | 西北工业大学 | One kind is for rib spinning core die and release method in band spiral |
| CN110281696A (en) * | 2019-08-07 | 2019-09-27 | 广州市中立智能装备科技有限公司 | One kind carrying greatly easy-to-dismount universal caster wheel |
| CN111266475A (en) * | 2020-03-16 | 2020-06-12 | 南昌航空大学 | Discharging mechanism of thermal-strength spinning machine |
-
2014
- 2014-06-30 CN CN201420354440.2U patent/CN204234546U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104107853A (en) * | 2014-06-30 | 2014-10-22 | 无锡曙光模具有限公司 | Spinning forming device of metal thin-walled cylindrical work piece |
| CN104107853B (en) * | 2014-06-30 | 2016-08-24 | 无锡曙光模具有限公司 | The rotary pressing moulding device of metal thin-wall tubular workpiece |
| CN108838278A (en) * | 2018-07-23 | 2018-11-20 | 太原科技大学 | It is a kind of for forming the vertical punching mould of motor casing label |
| CN109201833A (en) * | 2018-08-14 | 2019-01-15 | 贵州永红航空机械有限责任公司 | A kind of device and method of metal thin-wall shield reinforcing rib spinning |
| CN109396262A (en) * | 2018-10-12 | 2019-03-01 | 西北工业大学 | One kind is for rib spinning core die and release method in band spiral |
| CN110281696A (en) * | 2019-08-07 | 2019-09-27 | 广州市中立智能装备科技有限公司 | One kind carrying greatly easy-to-dismount universal caster wheel |
| CN111266475A (en) * | 2020-03-16 | 2020-06-12 | 南昌航空大学 | Discharging mechanism of thermal-strength spinning machine |
| CN111266475B (en) * | 2020-03-16 | 2021-08-17 | 南昌航空大学 | Discharging mechanism of thermal-strength spinning machine |
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Granted publication date: 20150401 Effective date of abandoning: 20160824 |
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