CN106624967A - Spindle feeding device of headstock moving type CNC automatic lathe - Google Patents
Spindle feeding device of headstock moving type CNC automatic lathe Download PDFInfo
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- CN106624967A CN106624967A CN201710073138.8A CN201710073138A CN106624967A CN 106624967 A CN106624967 A CN 106624967A CN 201710073138 A CN201710073138 A CN 201710073138A CN 106624967 A CN106624967 A CN 106624967A
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- feeding
- main shaft
- rail
- feeding device
- folder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/12—Sorting arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Specific Conveyance Elements (AREA)
- Intermediate Stations On Conveyors (AREA)
Abstract
The invention provides a spindle feeding device of a headstock moving type CNC automatic lathe, belongs to the technical field of machinery and solves the problem of low machining efficiency of the conventional headstock moving type CNC automatic lathe due to manual feeding. The headstock moving type CNC automatic lathe comprises a machine tool and a chuck for clamping a spindle. The spindle feeding device comprises a feeding slide rail mechanism and a spindle transfer mechanism which are arranged on the machine tool, wherein the feeding slide rail mechanism comprises a conveying track for conveying the spindle; the spindle transfer mechanism comprises a vertical transfer structure and a horizontal transfer structure which are located at one end of the conveying track, the horizontal transfer structure is located between the vertical transfer structure and the conveying track and comprises a rotating platform and a horizontal transfer clamp for transferring the spindle falling off the conveying track to the vertical transfer structure, the rotating platform is located between the conveying track and the vertical transfer structure, and the horizontal transfer clamp is horizontally and rotationally connected onto the rotating platform. The automated spindle feeding device is adopted to replace manual feeding, so that the working efficiency of the headstock moving type CNC automatic lathe is increased.
Description
Technical field
The invention belongs to field of mechanical technique, be related to one kind and walk scheming, particularly it is a kind of walk scheming main shaft feeding device.
Background technology
Scheming is walked, full name is to walk core type numerically controlled lathe, alternatively referred to as main spindle box mobile model CNC automatic turning machine, economy car
Milling compounding machine bed or longitudinal cutting lathe.Belong to precise machining equipment, Che ﹑ Xi ﹑ Zuan ﹑ Tang ﹑ can be once completed simultaneously attack, carve etc. to answer
Processing is closed, is mainly used in accurate five metals, the batch machining of axle class abnormal shape non-standard.It is existing walk scheming axis products are being carried out
Plus man-hour, generally by the way of artificial loading, i.e. the hand-held axis products of operative employee are placed into away on the chuck of scheming, but should
Plant working method dangerous higher and less efficient, it is impossible to meet the demand of industrialization high-speed production.
The content of the invention
The purpose of the present invention is there are the problems referred to above for existing technology, it is proposed that it is a kind of walk scheming main shaft feeding dress
Put, its technical problem to be solved is how to replace manually carrying out feeding using automation equipment, and then improves scheming
Operating efficiency.
The purpose of the present invention can be realized by following technical proposal：It is a kind of walk scheming main shaft feeding device, walk scheming
Including lathe and the chuck for gripper spindle, it is characterised in that the main shaft feeding device is upper on lathe including being arranged on
Material sliding track mechanism and main shaft transfer device, the feeding sliding track mechanism includes the feeding rail for conveying main spindle, and the main shaft turns
Send mechanism include being located at feeding rail one end vertically transfer structure and level transfers structure, level transfers structure and is located at and vertically transfers
Between structure and feeding rail, the level transfers structure including rotatable platform and perpendicular for the main shaft that feeding rail falls to be transferred to
The level for directly transferring structure transfers folder, and the rotatable platform is located at feeding rail and vertically transfers between structure, and the level transfers
Press from both sides to horizontally rotate and be connected on rotatable platform.
Self-feeding is carried out to main shaft by feeding rail for this main shaft feeding device and so that main shaft drops into level and transfers folder
On, level transfers to press from both sides to be transferred on main shaft and vertically transfer structure, vertically transfers structure main shaft is transferred on chuck again, this main shaft
Feeding device realizes machinery and replaces people's work, can effectively improve away the operating efficiency of scheming.
In the above-mentioned main shaft feeding device for walking scheming, transfer assembly, the biography are provided with below the feeding rail
Sending component includes feeding motor, belt pulley one, belt pulley two and conveyer belt, and the feeding motor is arranged on one end of feeding rail,
The belt pulley one is connected in the rotating shaft of feeding motor, and the belt pulley two is arranged on the other end of feeding rail, and belt pulley
It is connected by conveyer belt between two and belt pulley one, the feeding rail has the groove through bottom surface, the groove is along sending
The length direction of material rail is arranged, and the conveyer belt is located in groove.When main shaft carries out feeding on feeding rail, conveyer belt can be adjusted
The feeding speed of whole main shaft, it is ensured that main shaft is transmitted in place.
In the above-mentioned main shaft feeding device for walking scheming, the feeding flange of rail portion is provided with upper and lower for reducing conveyer belt
The conversioning wheel of interlamellar spacing, the conversioning wheel is located between belt pulley one and belt pulley two.Conversioning wheel is located at the bottom of lower floor's conveyer belt
Portion, and the size for being smaller in size than belt pulley one and belt pulley two of conversioning wheel, by conversioning wheel the upper and lower interlamellar spacing of conveyer belt is reduced,
On the premise of transmission efficiency is ensured, the job stability of conveyer belt can be both improved, lower floor's conveyer belt can be avoided to expose again,
Improve production security.
In the above-mentioned main shaft feeding device for walking scheming, one end end of nearly main shaft transfer device sets on the feeding rail
Be equipped with carries out one by one the postive stop baffle of feeding for controlling main shaft.Postive stop baffle can cause the main shaft on feeding rail to drop into one by one
Level is transferred on folder, it is ensured that feeding is in order carried out.
In the above-mentioned main shaft feeding device for walking scheming, the postive stop baffle is two pieces, on the end of the feeding rail
Side sets up two cylinders, and the postive stop baffle is two pieces, and two pieces of postive stop baffles are corresponded with cylinder and arranged, and two pieces spacing
Baffle plate is respectively connected on the piston rod of corresponding cylinder.The size of a main shaft, two limits are spaced between two pieces of postive stop baffles
Position baffle plate is alternately lifted, and the blanking one by one of main shaft can be better achieved.
In the above-mentioned main shaft feeding device for walking scheming, the structure that vertically transfers is including bearing, sliding seat and vertical
Folder is transferred, the sliding seat level is slidably connected on bearing, the folder that vertically transfers vertically is rotatably connected on sliding seat.It is perpendicular
The main shaft that folder transfer comes is transferred to clamping connection receipts level is transferred, then is transferred on chuck, vertically transferred folder and be connected on sliding seat,
And can rotate on perpendicular, vertically transfer folder and be slidably connected on bearing by sliding seat, so as to ensure vertically to transfer folder
After rotateing in place main shaft is transferred on chuck again, it is to avoid vertically transfer to be clipped in rotation process cause chuck and collide with, carry
High process safety.
In the above-mentioned main shaft feeding device for walking scheming, vertical rotating motor is fixed with the sliding seat, it is described perpendicular
Being connected in the rotating shaft of vertical rotating motor to folder is transferred, and vertically transfer folder can switch shape in vertical and horizontal two positions
State.The switching that folder realizes vertical and horizontal two positions by vertical rotating motor positive and inverse is vertically transferred, is operated more accurate.
In the above-mentioned main shaft feeding device for walking scheming, the bearing sliding is connected on lathe, and bearing and lathe
Between be provided with buffer spring.Transferred due to vertically transferring folder and hold main shaft, when chuck receives master from clamping connection is vertically transferred
During axle, can impact to vertically transferring folder, after buffer spring is arranged, can avoid vertically transferring folder, sliding seat and bearing
It is impaired.
In the above-mentioned main shaft feeding device for walking scheming, guide rail is provided with the lathe, bearing is towards feeding rail
Side is connected with the sliding panel being slidably connected on guide rail, and the lathe has one from lower to upper through the connecting seat of sliding panel,
The end hook of the buffer spring one is connected on connecting seat, and another end hook is connected on bearing.Sliding panel may also be arranged on bearing and dorsad send
The side of material rail, buffer spring adopts stage clip.
In the above-mentioned main shaft feeding device for walking scheming, the rotatable platform is provided with and horizontally rotates motor, the water
Flat turn send folder to be connected in the rotating shaft for horizontally rotating motor.
Compared with prior art, the present invention has the following advantages that：
1st, this main shaft feeding device transfers folder and vertically transfers folder and main shaft is transferred to away into scheming by feeding rail, level
On chuck, the automatically working that machinery replaces people is realized, improve away the operating efficiency of scheming；
2nd, this main shaft feeding device arranges conveyer belt on feeding rail, is vertically transferring setting between the bearing of folder and lathe
Buffer spring, it is possible to increase the safety in utilization of this main shaft feeding device, increases the service life.
Description of the drawings
Fig. 1 is the structural representation for walking scheming with this main shaft feeding device.
Fig. 2 is the structural representation of this main shaft feeding device.
Fig. 3 is the structural representation of feeding sliding track mechanism in this main shaft feeding device.
Fig. 4 is the profile of feeding sliding track mechanism in this main shaft feeding device.
Fig. 5 is the dimensional structure diagram of main shaft transfer device in this main shaft feeding device.
Fig. 6 is the side structure schematic view of main shaft transfer device in this main shaft feeding device.
In figure, 1, lathe；2nd, chuck；3rd, feeding sliding track mechanism；4th, main shaft transfer device；5th, feeding rail；51st, groove；6、
Feeding motor；7th, belt pulley one；8th, belt pulley two；9th, conveyer belt；10th, conversioning wheel；11st, postive stop baffle；12nd, cylinder；13rd, prop up
Seat；14th, sliding seat；15th, folder is vertically transferred；16th, vertical rotating motor；17th, buffer spring；18th, guide rail；19th, connecting seat；20、
Horizontally rotate motor；21st, level transfers folder；22nd, rotatable platform；23rd, chute；24th, sliding panel.
Specific embodiment
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
With reference to Fig. 1, the present embodiment be it is a kind of walk scheming main shaft feeding device, walk scheming including lathe 1 and for clamping
The chuck 2 of main shaft, main shaft feeding device is arranged on lathe 1, and positioned at the sidepiece of chuck 2.
Concrete structure is as follows, and with reference to Fig. 2, main shaft feeding device includes the feeding sliding track mechanism 3 being arranged on lathe 1 and master
Axle transfer device 4, feeding sliding track mechanism 3 includes the feeding rail 5 for conveying main spindle, and main shaft transfer device 4 includes being located at feeding
One end of rail 5 vertically transfer structure and level transfers structure, level transfer structure be located at vertically transfer structure and feeding rail 5 it
Between, level transfers structure including rotatable platform 22 and for the main shaft that feeding rail 5 falls to be transferred to the water for vertically transferring structure
Folder 21 is sent in flat turn, and rotatable platform 22 is located at feeding rail 5 and vertically transfers between structure, and level transfers folder 21 and horizontally rotates and is connected to
On rotatable platform 22.
With reference to Fig. 3 and Fig. 4, the lower section of feeding rail 5 is provided with transfer assembly, and transfer assembly includes feeding motor 6, belt pulley
One 7, belt pulley 28 and conveyer belt 9, feeding motor 6 is arranged on one end of feeding rail 5, and belt pulley 1 is connected to feeding motor 6
Rotating shaft on, belt pulley 28 be arranged between the other end of feeding rail 5, and belt pulley 28 and belt pulley 1 pass through conveyer belt 9
It is connected, feeding rail 5 has the groove 51 through bottom surface, groove 51 is arranged along the length direction of feeding rail 5, conveyer belt 9
In groove 51.When main shaft is transmitted on feeding rail 5, orderly feeding can be carried out in the case where conveyer belt 9 drives.The bottom of feeding rail 5 sets
Two conversioning wheels 10 for reducing conveyer belt interlamellar spacing about 9 are equipped with, two conversioning wheels 10 are located at belt pulley 1 and belt pulley
Between 28.Two conversioning wheels 10 are respectively positioned on the bottom of lower floor's conveyer belt 9, and conversioning wheel 10 is smaller in size than belt pulley 1 and skin
The size of belt wheel 28, by conversioning wheel 10 conveyer belt interlamellar spacing about 9 is reduced, on the premise of transmission efficiency is ensured, both can be with
The job stability of conveyer belt 9 is improved, the lower floor of conveyer belt 9 can be avoided to expose again, improve production security.In the present embodiment
Feeding rail 5 be obliquely installed, one end of the nearly main shaft connecting gear of feeding rail 5 less than the remote main shaft connecting gear of feeding rail 5 one end,
One end end top of the nearly main shaft transfer device 4 of feeding rail 5 sets up two cylinders 12, is respectively connected with the piston rod of cylinder 12
The postive stop baffle 11 of one energy oscilaltion.The size of a main shaft, two postive stop baffles 11 are spaced between two pieces of postive stop baffles 11
Alternately lift, the blanking one by one of main shaft can be better achieved.
With reference to Fig. 5 and Fig. 6, rotatable platform 22 is provided with and horizontally rotates motor 20, and level transfers folder 21 and is connected to level turn
In the rotating shaft of dynamic motor 20.Structure vertically being transferred including bearing 13, sliding seat 14 and vertically transferring folder 15, the level of sliding seat 14 is slided
It is dynamic to be connected on bearing 13, and vertical rotating motor 16 is fixed with sliding seat 14, vertically transfer folder 15 and be connected to vertical rotating
In the rotating shaft of motor 16, and vertically transfer folder 15 can vertical on perpendicular and horizontal two positions carry out state switching, this
In embodiment vertically transferring folder 15 for can in oscilaltion under cylinder action and automatic open-close manipulator mechanism.
Guide rail 18 is provided with the present embodiment on lathe 1, bearing 13 is fixed with towards the side of feeding rail 5 and is slidably connected at
Sliding panel 24 on guide rail 18, sliding panel 24 has the chute 23 arranged along the length direction of guide rail 18, and lathe 1 has one by under
Up through the connecting seat 19 of chute 23, buffer spring 17, the one end of buffer spring 17 are provided between connecting seat 19 and bearing 13
Hook is connected on connecting seat 19, and another end hook is connected on bearing 13.After buffer spring 17 is set, can avoid vertically transferring folder 15,
Sliding seat 14 and bearing 13 are clashed into when main shaft is transferred to into chuck 2 and are damaged.
Originally the operation principle for walking the main shaft feeding device of scheming is as follows：Main shaft is the cylindrical shaft class zero that middle part has axle bumper
Part, its axle bumper clan enters in the groove 51 of feeding rail 5, and is sent to from one end of feeding rail 5 automatically in the case where acting in conveyer belt 9
The other end, after main shaft reaches the end of feeding rail 5 and departs from conveyer belt 9, main shaft drops into postive stop baffle under self gravitation
On 11, two postive stop baffles 11 are alternately lifted, and so as to main shaft blanking can be transferred on folder 21 one by one to level, level transfers folder
21 rotate 90 °, realize the commutation of main shaft, vertically transfer folder 15 after vertical position gripping main shaft, then are rocked to horizontal level, sliding
Dynamic seat 14 drives and vertically transfer folder 15 to move horizontally, and causes vertically to transfer the main axle moving of the clamping of folder 15 to the front end of chuck 2, folder
It is processed after 2 reaches and gripper spindle.
Specific embodiment described herein is only explanation for example spiritual to the present invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications to described specific embodiment or supplement or replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (10)
1. it is a kind of walk scheming main shaft feeding device, walk scheming including lathe (1) and the chuck (2) for gripper spindle, it is special
Levy and be, the main shaft feeding device includes the feeding sliding track mechanism (3) and main shaft transfer device (4) being arranged on lathe (1),
The feeding sliding track mechanism (3) includes the feeding rail (5) for conveying main spindle, and the main shaft transfer device (4) includes being located to be sent
Material rail (5) one end vertically transfer structure and level transfers structure, level transfers structure and is located at and vertically transfers structure and feeding rail
(5) between, the level transfers structure including rotatable platform (22) and for the main shaft that feeding rail (5) falls to be transferred to vertically
The level for transferring structure transfers folder (21), and the rotatable platform (22) is positioned at feeding rail (5) and vertically transfers between structure, described
Level transfers folder (21) and horizontally rotates and is connected on rotatable platform (22).
2. it is according to claim 1 walk scheming main shaft feeding device, it is characterised in that the lower section of the feeding rail (5)
Transfer assembly is provided with, the transfer assembly includes feeding motor (6), belt pulley one (7), belt pulley two (8) and conveyer belt
(9), the feeding motor (6) is arranged on one end of feeding rail (5), and the belt pulley one (7) is connected to turning for feeding motor (6)
On axle, the belt pulley two (8) is arranged between the other end of feeding rail (5), and belt pulley two (8) and belt pulley one (7) and leads to
Cross conveyer belt (9) to be connected, with the groove (51) through bottom surface, the groove (51) is along feeding rail for the feeding rail (5)
(5) length direction is arranged, and the conveyer belt (9) is in groove (51).
3. it is according to claim 2 walk scheming main shaft feeding device, it is characterised in that feeding rail (5) bottom sets
The conversioning wheel (10) for reducing the upper and lower interlamellar spacing of conveyer belt (9) is equipped with, the conversioning wheel (10) is positioned at belt pulley one (7) and skin
Between belt wheel two (8).
4. the main shaft feeding device for walking scheming according to claim 1 or 2 or 3, it is characterised in that the feeding rail (5)
One end end of upper nearly main shaft transfer device (4) is provided with and carries out the postive stop baffle (11) of feeding one by one for controlling main shaft.
5. it is according to claim 4 walk scheming main shaft feeding device, it is characterised in that the postive stop baffle (11) is two
Block, the end top of the feeding rail (5) sets up two cylinders (12), and the postive stop baffle (11) is two pieces, and two pieces spacing
Baffle plate (11) and cylinder (12) are corresponded and arranged, and two pieces of postive stop baffles (11) are respectively connected to the work of corresponding cylinder (12)
On stopper rod.
6. it is according to claim 1 walk scheming main shaft feeding device, it is characterised in that the structure that vertically transfers includes
Bearing (13), sliding seat (14) and folder (15) is vertically transferred, sliding seat (14) level is slidably connected on bearing (13), institute
State and vertically transfer folder (15) and be vertically rotatably connected on sliding seat (14).
7. it is according to claim 6 walk scheming main shaft feeding device, it is characterised in that on the sliding seat (14) be connected
There is vertical rotating motor (16), the folder (15) that vertically transfers is connected in the rotating shaft of vertical rotating motor (16), and vertical turn
Send the folder (15) can be in vertical and horizontal two position switching states.
8. the main shaft feeding device for walking scheming according to claim 1 or 6 or 7, it is characterised in that the bearing (13) is sliding
It is dynamic to be connected on lathe (1), and buffer spring (17) is provided between bearing (13) and lathe (1).
9. it is according to claim 8 walk scheming main shaft feeding device, it is characterised in that be provided with the lathe (1)
Guide rail (18), bearing (13) is connected with the sliding panel (24) being slidably connected on guide rail (18), institute towards the side of feeding rail (5)
Lathe (1) is stated with one from lower to upper through the connecting seat (19) of sliding panel (24), the end hook of the buffer spring (17) is connected in
On connecting seat (19), another end hook is connected on bearing (13).
10. the main shaft feeding device for walking scheming according to claim 1 or 6 or 7, it is characterised in that the rotatable platform
(22) it is provided with and horizontally rotates motor (20), the level transfers folder (21) and is connected in the rotating shaft for horizontally rotating motor (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710073138.8A CN106624967B (en) | 2017-02-10 | 2017-02-10 | It is a kind of walk scheming main shaft feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710073138.8A CN106624967B (en) | 2017-02-10 | 2017-02-10 | It is a kind of walk scheming main shaft feeding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106624967A true CN106624967A (en) | 2017-05-10 |
| CN106624967B CN106624967B (en) | 2018-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710073138.8A Active CN106624967B (en) | 2017-02-10 | 2017-02-10 | It is a kind of walk scheming main shaft feeding device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106624967B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI717966B (en) * | 2020-01-08 | 2021-02-01 | 冠宬精密機械股份有限公司 | Inclined feeding device of swiss-type lathes |
| CN113681336A (en) * | 2021-07-23 | 2021-11-23 | 嘉兴晟友机械科技有限公司 | Bidirectional material feeding device of machine tool |
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| US20090116915A1 (en) * | 2007-11-05 | 2009-05-07 | Star Micronics Co., Ltd. | Machine tool |
| CN102689303A (en) * | 2012-06-12 | 2012-09-26 | 宁波市鄞州壹发机床有限公司 | Servo manipulator |
| CN203541544U (en) * | 2013-11-08 | 2014-04-16 | 武汉凡谷自动化有限公司 | Automatic feeding unit for numerically controlled lathe |
| CN204094550U (en) * | 2014-09-25 | 2015-01-14 | 浙江迎泰机床有限公司 | A kind of machining tool of material of automatically keeping forging ahead |
| CN104526444A (en) * | 2014-12-24 | 2015-04-22 | 宁波沃特美逊机器人科技有限公司 | Intermittent chain wheel conveyor line |
| CN205928069U (en) * | 2016-07-27 | 2017-02-08 | 深圳市今日标准精密机器有限公司 | Scheming receiving device is walked in numerical control and scheming is walked in numerical control |
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2017
- 2017-02-10 CN CN201710073138.8A patent/CN106624967B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090116915A1 (en) * | 2007-11-05 | 2009-05-07 | Star Micronics Co., Ltd. | Machine tool |
| CN102689303A (en) * | 2012-06-12 | 2012-09-26 | 宁波市鄞州壹发机床有限公司 | Servo manipulator |
| CN203541544U (en) * | 2013-11-08 | 2014-04-16 | 武汉凡谷自动化有限公司 | Automatic feeding unit for numerically controlled lathe |
| CN204094550U (en) * | 2014-09-25 | 2015-01-14 | 浙江迎泰机床有限公司 | A kind of machining tool of material of automatically keeping forging ahead |
| CN104526444A (en) * | 2014-12-24 | 2015-04-22 | 宁波沃特美逊机器人科技有限公司 | Intermittent chain wheel conveyor line |
| CN205928069U (en) * | 2016-07-27 | 2017-02-08 | 深圳市今日标准精密机器有限公司 | Scheming receiving device is walked in numerical control and scheming is walked in numerical control |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI717966B (en) * | 2020-01-08 | 2021-02-01 | 冠宬精密機械股份有限公司 | Inclined feeding device of swiss-type lathes |
| CN113681336A (en) * | 2021-07-23 | 2021-11-23 | 嘉兴晟友机械科技有限公司 | Bidirectional material feeding device of machine tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106624967B (en) | 2018-11-06 |
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