CN208323630U - Wood drilling machine - Google Patents

Wood drilling machine Download PDF

Info

Publication number
CN208323630U
CN208323630U CN201820939601.2U CN201820939601U CN208323630U CN 208323630 U CN208323630 U CN 208323630U CN 201820939601 U CN201820939601 U CN 201820939601U CN 208323630 U CN208323630 U CN 208323630U
Authority
CN
China
Prior art keywords
piston
spline
rack
slide plate
driving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201820939601.2U
Other languages
Chinese (zh)
Inventor
朱培钢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Grass Clothing Culture Communication Co Ltd
Original Assignee
Chongqing Grass Clothing Culture Communication Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Grass Clothing Culture Communication Co Ltd filed Critical Chongqing Grass Clothing Culture Communication Co Ltd
Priority to CN201820939601.2U priority Critical patent/CN208323630U/en
Application granted granted Critical
Publication of CN208323630U publication Critical patent/CN208323630U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model belongs to wood processing field, relate to a kind of wood drilling machine, rack is equipped with driving unit, units and support unit, units include the first support shaft, first spline segment upper spline is connected with the first spline housing, the first nut is threaded on first thread segment, drilling section lower end is fixed with drill bit;Support unit includes the second support shaft, and the second spline segment upper spline is connected with the second spline housing, the second nut is threaded on the second thread segment, and supporting section upper end is fixed with workbench, slides laterally on workbench and be connected with slide plate, and slide plate two sides are equipped with gripping block;Driving unit includes the first driving portion for driving the first spline housing to rotate, the second driving portion for driving slide plate transverse reciprocating to slide and the third driving portion for driving the second nut to rotate set gradually from top to bottom.Using the embodiment of the utility model, solves the problems, such as processing strip-shaped hole.

Description

Wood drilling machine
Technical field
The utility model belongs to wood processing field, and in particular to a kind of wood drilling machine.
Background technique
Timber processes (wood processing), refers to using timber as raw material, is added using what is mechanically or chemically carried out Work, the product processed still keep the fundamental characteristics of timber.Wherein, timber drilling is relatively conventional timber processing technology, one A little timber processing need to open up strip-shaped hole on plank, biggish strip-shaped hole are required for size, generally using saw blade in plank Upper fluting, then reaming is carried out to the slot opened.And strip-shaped hole lesser for size, two are generally bored on plank first with drilling machine A hole, then polish again after the part among two holes is cut away with cutter.
Existing wood drilling machine is usually provided only with a drill bit, by placing on the table plank, controls drill bit It is mobile relative to plank, to drill in timber designated position, require to position bore position when drilling every time, and In the lesser strip-shaped hole of processing dimension, drill two holes just need to be positioned twice, and positioning all inevitably exists centainly accidentally every time Difference, often, then error is bigger for positioning.And also need to process the part among two holes after being drilled hole, it is more numb It is tired.
Utility model content
The purpose of this utility model is to provide a kind of wood drilling machines, and strip-shaped hole is directly processed on plank to meet Requirement.
In order to achieve the above objectives, the base case of the utility model are as follows: wood drilling machine, including rack, rack are equipped with Driving unit, units and support unit, units include the first support shaft, the first support shaft include from top to bottom according to First spline segment of secondary setting, the first thread segment and drilling section, the first spline segment upper spline are connected with the first spline housing, and first Spline housing is rotatablely connected on the rack;The first nut is threaded on first thread segment, the first nut is fixed on the rack, and is bored Hole section lower end is fixed with drill bit;Support unit includes the second support shaft, and the second support shaft includes the set gradually from bottom to up Two spline segments, the second thread segment and supporting section, the second spline segment upper spline are connected with the second spline housing, and the second spline housing is fixed On the rack;The second nut is threaded on second thread segment, the second nut is rotatablely connected on the rack;Supporting section upper end is solid Surely there is workbench, slid laterally on workbench and be connected with slide plate, slide plate two sides are equipped with gripping block;Driving unit include from up to Under set gradually for drive the first spline housing rotate the first driving portion, for drive slide plate transverse reciprocating sliding second Driving portion and for drive the second nut rotate third driving portion.
The working principle of this base case is:
Slide plate is used to clamp the both ends of plank for placing plank hole to be drilled, gripping block, avoids plank sliding on slide plate It is dynamic.
First driving portion drives the rotation of the first spline housing, and the first support shaft rotate with the first spline housing, the first thread segment with First nut forms screw thread auxiliary structure, and the first nut is fixed on the rack, and the first thread segment moves downward while rotation, and first Support shaft moves downward while driving drill bit rotation.
Third driving portion drives the second nut to rotate, the second nut and the second thread segment composition screw thread auxiliary structure, and second Support axis can not be rotated by the second spline housing position-limiting action, according to the architectural characteristic of screw thread pair, the second support shaft drive workbench to Upper movement.Slide plate drive plank moved upwards with workbench, plank and drill bit move toward one another, at the same drill bit rotate, to plank into Row drilling.
Second driving portion drive slide plate transverse reciprocating sliding, plank with slide plate transverse reciprocating slide and drill bit in transverse direction Upper relative movement, the shearing force of drill bit drill out strip-shaped hole on plank, and since plank reciprocatingly slides, and drill bit is rotated to strip-shaped hole Inner wall have certain burnishing action, reduce the burr of strip-shaped hole inner wall.
The beneficial effect of this base case is:
1, when drilling, drill bit and plank are vertically moved toward one another, and improve penetration rate.
2, slide plate drives plank to exist during traverse motion with drill bit reciprocating friction, the shearing force of one side drill bit Strip-shaped hole is drilled out on plank;On the other hand due to plank and drill bit reciprocating friction, the rotation of drill bit has centainly strip-shaped hole inner wall Burnishing action reduces the burr of strip-shaped hole inner wall.
3, using plank transverse shifting, time processing can directly drill out strip-shaped hole, it is only necessary to which primary positioning simplifies and adds Work step is rapid, reduces the error generated in repeatedly processing.
Further, the second driving portion includes the push plate slid laterally Lian Jie on the rack, and slide plate slides vertically to be connected to and push away On plate, workbench is equipped with the strip through-hole passed through for push plate, strip through-hole and push plate clearance fit, is fixed with guiding in push plate Block;Second driving portion further includes the cam of rotation connection on the rack, guide pad and cam slide cooperation.
The utility model has the advantages that cam and guide pad form cam structure, with the rotation of cam, guide pad drives push plate to do back and forth Linear motion, push plate drive slide plate to do linear reciprocating motion.And be connected in push plate since slide plate slides vertically, slide plate is transported upwards Along push plate upward sliding when dynamic, slide plate reciprocating motion has no effect on slide plate and moves upwards with workbench.
It further, further include debris removal unit, debris removal unit includes the piston bucket being fixed on the rack, and piston bucket both ends are close It seals, slidably connects piston in piston bucket, piston rod is fixed on piston, the one end of piston rod far from piston is through piston bucket End face and with cam slide cooperate;Piston bucket one end is equipped with the first venthole and the first air inlet, and the piston bucket other end is equipped with the Two ventholes and the second air inlet, the first venthole is interior to be equipped with the first outgassing nonreturn valve, is equipped with the first air inlet in the first air inlet Check valve, the first air inlet position are connected with the first sweep-up pipe, and opening of first sweep-up pipe far from piston bucket one end is towards slide plate;The It is equipped with the second outgassing nonreturn valve in two ventholes, the second breather check valve, the connection of the second air inlet position are equipped in the second air inlet There is the second sweep-up pipe, the second sweep-up pipe is far from the open at one end towards slide plate of piston bucket.
The utility model has the advantages that cam and piston rod form cam structure, with the rotation of cam, piston rod band piston is done back and forth Linear motion.Piston and piston bucket form piston structure, and piston does linear reciprocating motion, realize air inlet, the outlet of piston bucket.It is living When filling in bucket air inlet, gas enters in piston bucket by the first sweep-up pipe, the second sweep-up pipe, and the sawdust for the generation that drills is wrapped up in by gas It holds under the arm and enters in piston bucket, realize the collection to sawdust, sawdust is avoided to fly upward, further avoid influencing processing environment.
Further, gauze is respectively and fixedly provided in the first venthole and the second venthole.
The utility model has the advantages that setting gauze, can stop sawdust to be discharged by the first venthole, the second venthole.
Further, gripping block is slidably connected on slide plate, and slide plate is equipped with the sliding slot slided for gripping block, gripping block two sides It is hinged with fixture block, fixture block lower end is fixed with protrusion, and spring is fixedly connected between fixture block and gripping block, and sliding slot inner wall is equipped with Several card slots being caught in for fixture block.
The utility model has the advantages that squeezing fixture block, spring contraction, protrusion and card slot are detached from, and gripping block can slide in sliding slot, can be with The distance between two gripping blocks are adjusted, the clamping to different size planks is adapted to.Fixture block is unclamped, fixture block relies on the reset of spring Effect resets, and protrusion is caught in card slot, realizes the fixation to gripping block.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model embodiment;
Fig. 2 is the connection schematic diagram of gripping block and sliding slot in the utility model.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: shaft 1, the first driving gear 2, cam 3, the second driving gear 4, One support shaft 5, the first spline housing 6, the first driven gear 7, the first nut 8, drill bit 9, slide plate 10, workbench 11, second support Axis 12, the second driven gear 13, the second nut 14, the second spline housing 15, strip through-hole 16, push plate 17, guide pad 18, piston bucket 19, piston rod 20, the first sweep-up pipe 21, the second sweep-up pipe 22, sliding slot 23, gripping block 24, fixture block 25, spring 26, card slot 27, convex Play 28.
As shown in Figure 1, wood drilling machine, including rack, rack be equipped with units, support unit, debris removal unit with And driving unit.Units are located above support unit, and units include the first support shaft 5, the first support shaft 5 include from The first spline segment, the first thread segment and drilling section, the first spline segment spline set gradually under is connected with the first spline Set 6, the first spline housing 6 are rotatablely connected on the rack, and the first thread segment is threaded with the first nut 8, and the first nut 8 is fixed on In rack, drilling section lower end is fixed with drill bit 9.
Support unit includes the second support shaft 12, and the second support shaft 12 includes the second spline set gradually from bottom to up Section, the second thread segment and supporting section, the second spline segment spline are connected with the second spline housing 15, and the second spline housing 15 is fixed on machine On frame, the second thread segment is threaded with the second nut 14, and the second nut 14 is rotatablely connected on the rack, and supporting section upper end is fixed There is workbench 11, is slid laterally on workbench 11 and be connected with slide plate 10.As shown in connection with fig. 2, cunning is equipped at left and right sides of slide plate 10 Slot 23 slidably connects gripping block 24 in sliding slot 23, and 24 two sides of gripping block are hinged with fixture block 25, and 25 lower end of fixture block is fixed with convex 28 are played, spring 26 is fixed between fixture block 25 and gripping block 24,23 inner wall of sliding slot is equipped with several card slots 27, card slot 27 and protrusion 28 clearance fits.
Driving unit includes the first driving portion for driving the first spline housing 6 to rotate set gradually from top to bottom, uses In driving 10 transverse reciprocating of slide plate sliding the second driving portion and for drive the second nut 14 rotation third driving portion.It drives Moving cell further includes the shaft 1 of rotation connection on the rack, and motor is fixed in rack, and motor output shaft and 1 upper end of shaft are solid Fixed connection.
First driving portion includes the first driving gear 2 being fixed in shaft 1, is fixed on the first spline housing 6 and first The first driven gear 7 that driving gear 2 engages.Second driving portion includes the push plate 17 slid laterally Lian Jie on the rack, slide plate 10 slide vertically and are connected to the right side of push plate 17, and workbench 11 is equipped with the strip through-hole 16 passed through for push plate 17, strip through-hole 16 With 17 clearance fit of push plate.17 left side upper end of push plate is fixed with guide pad 18.Cam 3,18 He of guide pad are fixed in the middle part of shaft 1 3 outer wall of cam is slidably matched.Third driving portion includes the second driving gear 4 for being fixed on 1 lower part of shaft, is consolidated on the second nut 14 Surely there is the second driven gear 13 engaged with the second driving gear 4.
Debris removal unit includes the piston bucket 19 being fixed on the rack, and piston bucket 19 is located at 3 left of cam.19 both ends of piston bucket It seals, piston is slidably connected in piston bucket 19, piston rod 20 is fixed on the right side of piston, 20 right end of piston rod runs through piston bucket 19 right side simultaneously extends to outside piston bucket 19, and 20 right end of piston rod and 3 outer wall of cam are slidably matched.19 left end of piston bucket is equipped with First venthole and the first air inlet, the first venthole is interior to be equipped with the first outgassing nonreturn valve, when the air pressure in piston bucket 19 is higher than When ambient pressure, the gas in piston bucket 19 is discharged by the first outgassing nonreturn valve;The first air inlet list is equipped in first air inlet To valve, when the air pressure in piston bucket 19 is lower than ambient pressure, outside air is supplemented to piston bucket by the first breather check valve In 19.First air inlet position is fixedly connected with the first sweep-up pipe 21, and 21 right-end openings of the first sweep-up pipe are towards slide plate 10.
19 right end of piston bucket is equipped with the second venthole and the second air inlet, and it is unidirectional to be equipped with the second outlet in the second venthole Valve, the second air inlet is interior to be equipped with the second breather check valve, and the setting of the second outgassing nonreturn valve is consistent with the first outgassing nonreturn valve, the The setting of two breather check valves is consistent with the first breather check valve.Second air inlet position is fixedly connected with the second sweep-up pipe 22, the Two sweep-up pipes, 22 right-end openings are towards slide plate 10.
It is each attached in push plate 17 in the middle part of first sweep-up pipe 21 and the second sweep-up pipe 22, the first venthole and the second venthole Inside it is respectively and fixedly provided with gauze.
When specific works, plank is placed on slide plate 10, squeezes 25 surface of fixture block, spring 26 is shunk, and gripping block 24 can To slide in sliding slot 23, when the end of gripping block 24 and plank offsets, fixture block 25 is unclamped, protrusion 28 is caught in card slot 27, real The fixation of existing gripping block 24, two gripping blocks 24 clamp the left and right both ends of plank, avoid plank in the course of work mobile.
Start motor, motor-driven rotatable shaft 1 rotates, and the first driving gear 2, cam 3 and the second driving gear 4 are with shaft 1 rotates synchronously.First driving gear 2 drives the rotation of the first driven gear 7, and the first spline housing 6 is rotated with the first driven gear 7, First support shaft 5 is rotated with the first spline housing 6.First thread segment and the first nut 8 form screw thread auxiliary structure, and the first nut 8 is solid Fixed rack limits the first nut 8, and the first nut 8 can not rotate on the rack, and the first thread segment is downward while rotation Movement, therefore the first support shaft 5 drives drill bit 9 to move downward while rotation.
Second driving gear 4 drives the rotation of the second driven gear 13, and the second nut 14 is rotated with the second driven gear 13, the Two nuts 14 and the second thread segment form screw thread auxiliary structure, and the second support shaft 12 can not be turned by 15 position-limiting action of the second spline housing Dynamic, i.e., the second thread segment can not rotate, and therefore, the second thread segment drives the second support shaft 12 to be axially moved, the second support shaft 12 Workbench 11 is driven to move upwards.Slide plate 10 drives plank to move upwards with workbench 11, and plank and drill bit 9 move toward one another, together When drill bit 9 rotate, drill.
Along 17 upward sliding of push plate when slide plate 10 moves upwards.Cam 3 and guide pad 18 form cam structure, cam 3 Cam structure is also formed with piston rod 20.When the high spot of cam 3 turns to right, guide pad 18 is pushed to slide to the right, is oriented to Block 18 drives push plate 17 to move right in strip through-hole 16, and push plate 17 pushes slide plate 10 to slide to the right on workbench 11, wood Plate slides to the right with slide plate 10, and relative motion horizontally occurs for plank and drill bit 9, drills out strip-shaped hole.
Meanwhile cam 3 drives piston rod 20 to move right, piston and piston bucket 19 form piston structure, and piston is with piston Bar 20 moves right, 19 left end air-breathing of piston bucket, and gas is by entering work by the first breather check valve after the first sweep-up pipe 21 19 left part of bucket is filled in, the sawdust for the generation that drills is swept along by gas to be entered in piston bucket 19 together.19 right end outlet of piston bucket, gas It is discharged by the second outgassing nonreturn valve.
When the high spot of cam 3 turns to left, guide pad 18 and piston rod 20 move downward simultaneously, and guide pad 18 drives Push plate 17 moves downward, and slide plate 10 drives plank to move downward with push plate 17.Piston is moved downward with piston rod 20, piston bucket 19 Left end outlet, right end air-breathing, gas sweep along sawdust to enter in piston bucket 19 by the second sweep-up pipe 22.
In the above process, cam 3 is rotated so that guide pad 18 and piston rod 20 do linear reciprocating motion, then 10 band of slide plate For dynamic plank in reciprocatory movement and 9 reciprocating friction of drill bit, the shearing force of drill bit 9 drills out strip-shaped hole on plank, while by There is certain burnishing action to strip-shaped hole inner wall in the rotation of 9 reciprocating friction of plank and drill bit, drill bit 9, reduces on strip-shaped hole inner wall Burr.While drilling, piston rod 20 drives reciprocating motion of the pistons, and piston bucket 19 is continued working to absorb and be produced in boring procedure It is equipped with gauze in raw sawdust, the first venthole and the second venthole, sawdust can be prevented to be discharged.
Above-described is only the embodiments of the present invention, and the common sense such as well known specific structure and characteristic are herein in scheme It does not describe excessively.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure Under, several modifications and improvements can also be made, these also should be considered as the protection scope of the utility model, these all will not influence The effect and patent practicability that the utility model is implemented.

Claims (5)

1. wood drilling machine, including rack, it is characterised in that: rack is equipped with driving unit, units and support unit, Units include the first support shaft, and the first support shaft includes the first spline segment set gradually from top to bottom, the first thread segment And drilling section, the first spline segment upper spline are connected with the first spline housing, the first spline housing is rotatablely connected on the rack;First spiral shell The first nut is threaded in line section, the first nut is fixed on the rack, and drilling section lower end is fixed with drill bit;
Support unit includes the second support shaft, and the second support shaft includes the second spline segment set gradually from bottom to up, the second spiral shell Line section and supporting section, the second spline segment upper spline are connected with the second spline housing, and the second spline housing is fixed on the rack;Second spiral shell The second nut is threaded in line section, the second nut is rotatablely connected on the rack;Supporting section upper end is fixed with workbench, work It is slid laterally on platform and is connected with slide plate, slide plate two sides are equipped with gripping block;
Driving unit includes the first driving portion for driving the first spline housing to rotate set gradually from top to bottom, for driving The second driving portion that slide plate transverse reciprocating slides and the third driving portion for driving the second nut to rotate.
2. wood drilling machine according to claim 1, it is characterised in that: second driving portion includes sliding laterally connection Push plate on the rack, slide plate, which slides vertically, to be connected in push plate, and workbench is equipped with the strip through-hole passed through for push plate, bar shaped Through-hole and push plate clearance fit are fixed with guide pad in push plate;Second driving portion further includes the cam of rotation connection on the rack, Guide pad and cam slide cooperation.
3. wood drilling machine according to claim 2, it is characterised in that: further include debris removal unit, debris removal unit includes solid Fixed piston bucket on the rack, piston bucket both ends seal, piston are slidably connected in piston bucket, is fixed with piston on piston Bar, piston rod run through the end face of piston bucket far from one end of piston and cooperate with cam slide;Piston bucket one end is equipped with first and goes out Stomata and the first air inlet, the piston bucket other end are equipped with the second venthole and the second air inlet, are equipped with first in the first venthole Outgassing nonreturn valve, the first air inlet is interior to be equipped with the first breather check valve, and the first air inlet position is connected with the first sweep-up pipe, and first inhales Opening of the dirt pipe far from piston bucket one end is towards slide plate;The second outgassing nonreturn valve is equipped in second venthole, in the second air inlet Equipped with the second breather check valve, the second air inlet position is connected with the second sweep-up pipe, and the second sweep-up pipe is opened far from one end of piston bucket Mouthful towards slide plate.
4. wood drilling machine according to claim 3, it is characterised in that: in first venthole and the second venthole It is fixed with gauze.
5. wood drilling machine according to claim 1, it is characterised in that: the gripping block is slidably connected on slide plate, sliding Plate is equipped with the sliding slot slided for gripping block, and gripping block two sides are hinged with fixture block, and fixture block lower end is fixed with protrusion, fixture block and folder Spring is fixedly connected between tight block, sliding slot inner wall is equipped with several card slots being caught in for fixture block.
CN201820939601.2U 2018-06-15 2018-06-15 Wood drilling machine Expired - Fee Related CN208323630U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820939601.2U CN208323630U (en) 2018-06-15 2018-06-15 Wood drilling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820939601.2U CN208323630U (en) 2018-06-15 2018-06-15 Wood drilling machine

Publications (1)

Publication Number Publication Date
CN208323630U true CN208323630U (en) 2019-01-04

Family

ID=64771440

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820939601.2U Expired - Fee Related CN208323630U (en) 2018-06-15 2018-06-15 Wood drilling machine

Country Status (1)

Country Link
CN (1) CN208323630U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108839124A (en) * 2018-06-15 2018-11-20 重庆草衣木食文化传播有限公司 Wood drilling machine
CN115741902A (en) * 2022-12-21 2023-03-07 江苏刘一刀精密机械有限公司 Multifunctional wood lathe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108839124A (en) * 2018-06-15 2018-11-20 重庆草衣木食文化传播有限公司 Wood drilling machine
CN115741902A (en) * 2022-12-21 2023-03-07 江苏刘一刀精密机械有限公司 Multifunctional wood lathe
CN115741902B (en) * 2022-12-21 2023-12-22 江苏刘一刀精密机械有限公司 Multifunctional wood working lathe

Similar Documents

Publication Publication Date Title
CN108839124A (en) Wood drilling machine
CN208323630U (en) Wood drilling machine
CN205291154U (en) Safety timber saw
CN110842630B (en) Self-cleaning device for workpiece punching
CN207224170U (en) A kind of construction timber drilling equipment that there is porous company and rush
CN108544580A (en) Drilling device for plank
CN109551571A (en) Ecological plate moulding perforating device
CN209335117U (en) A kind of accurate parts drilling machine of height convenient for quickly positioning
CN206415692U (en) Surface trimming sawing machine
CN208277067U (en) Drilling device for plank
CN210336260U (en) High-precision wood cutting machine
CN209110308U (en) A kind of beveling chamfering band saw device
CN215319241U (en) A milling flutes chasing bar that punches for wood working
CN204262461U (en) A kind of double crank type slotting machine main motion device
CN206578935U (en) A kind of multi-purpose wood working machine tool
CN217514063U (en) Numerical control drilling machine for furniture wood
CN210023943U (en) Automatic cutting angle positioning device and sawing machine with same
CN208277063U (en) Timber material cutting device
CN108501120A (en) The wooden skill processing drilling equipment
CN211758907U (en) Clamping device of horizontal sawing machine
CN213732187U (en) Wood cutting bench saw
CN108145797A (en) A kind of Hinge for cupboard door machine
CN104400106A (en) Double-crank type slotting machine main movement device
CN213320581U (en) Planing and sawing all-in-one machine convenient to adjust
CN209335794U (en) Plank puncher

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190104

Termination date: 20190615