CN207723911U - A kind of inclined hole drilling-hole positioning device - Google Patents
A kind of inclined hole drilling-hole positioning device Download PDFInfo
- Publication number
- CN207723911U CN207723911U CN201721649801.6U CN201721649801U CN207723911U CN 207723911 U CN207723911 U CN 207723911U CN 201721649801 U CN201721649801 U CN 201721649801U CN 207723911 U CN207723911 U CN 207723911U
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- plate
- movable plate
- hole
- bar
- clamping jaw
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Abstract
The utility model is related to a kind of inclined hole drilling-hole positioning device, including movable table, sliding feed drilling machine and locating rack.Locating rack is made of movable plate component, foreboard, back plate, left plate, right panel, connecting plate and positioning clamping jaw.On the upside of foreboard left locating piece is equipped with by the left side, on the upside of foreboard right locating piece is equipped with by the right, the trailing flank center of back plate is set there are one shaft, on shaft one end is vertically fixed on rear side of back plate, the other end penetrates in the circular through hole being arranged in the middle part of positioning clamping jaw, and riveted with positioning clamping jaw, positioning clamping jaw can rotate upwardly and downwardly around the shaft.Movable plate component includes movable plate, pre-positioning block, upper casting die, side clamping plate and rotating bar.The tail portion of movable plate is left and right to be respectively equipped with a convex section, and convex section cooperation positioning clamping jaw carries out positioning action.Movable plate can carry out left-right rotation by rotating bar.Using this positioning device, it is ensured that the location accuracy of rat holing, and consistency is good, unqualified phenomenon caused by avoiding inaccurately improves production efficiency.
Description
Technical field
The utility model is related to wooden handle manufacture field more particularly to a kind of inclined hole drilling-hole positioning devices.
Background technology
Many small-sized wooden handle processing factories, it is that hole is vertical with surface to need the converted products majority to drill, if necessary to beat
If inclined hole, simple method is often taken, the wooden handle of rat holing will be needed to clamp with pliers, be placed on one and set angle in advance
Wooden unit locating piece in, carry out drilling operation, this mode positions very inaccurate, and consistency is poor.Especially when needs are same
It when boring two inclined holes on a wooden handle converted products, is just more difficult to accomplish to be accurately positioned, substandard product usually occurs, processed to wooden handle
Factory brings prodigious loss.
Therefore it needs to create a kind of rat holing positioning device ensuring that rat holing registration, consistency are good.It avoids the occurrence of
The inaccurate and unqualified phenomenon of rat holing generates, and improves production efficiency.
Utility model content
The goal of the invention of the utility model is to solve the problems, such as that above-mentioned rat holing is inaccurate and causes product underproof, have
Body solution is as follows：
A kind of inclined hole drilling-hole positioning device, including movable table, sliding feed drilling machine and locating rack.The locating rack,
Generally rectangle is made of movable plate component, foreboard, back plate, left plate, right panel, connecting plate and positioning clamping jaw.
The foreboard, back plate, left plate, right panel are bar shaped, the foreboard and the back plate equal length, the left plate and institute
State right panel equal length, the front end of the left plate and the right panel is fixedly connected with the both ends of the foreboard respectively；The left plate
It is fixedly connected respectively with the both ends of the back plate with the rear end of the right panel.The left plate and the right panel are fixed logical to having
Hole.The connecting plate is bar shaped, and both ends are fixedly connected in the middle part of the foreboard and in the middle part of the back plate respectively, the connecting plate
Positioned at the top side position of the foreboard and the back plate, and it is parallel to the table top of the movable table, the connecting plate
Mediad is divided into there are one circular hole, and the circular hole is through-hole.It is equipped with left locating piece by the left side on the upside of the foreboard, for limiting
State the position that movable plate component front end is rotated toward the left side.It is equipped with right locating piece by the right on the upside of the foreboard, it is described for limiting
The position that movable plate component front end is rotated toward the right.The trailing flank center of the back plate is set there are one shaft, described shaft one end
On being vertically fixed on rear side of the back plate, the other end penetrates in the circular through hole being arranged in the middle part of the positioning clamping jaw, and with it is described
Clamping jaw riveting is positioned, the positioning clamping jaw can be rotated upwardly and downwardly around the shaft.
The movable plate component includes movable plate, pre-positioning block, upper casting die, side clamping plate and rotating bar.The movable plate is
Bar shaped, front end is left and right to be respectively equipped with chamfering, and the chamfering can be bonded with the left locating piece and the right locating piece.It is described
The tail portion of movable plate is left and right to be respectively equipped with a convex section, and the convex section coordinates the positioning clamping jaw to carry out positioning action.Before described
Locating piece is fixed on the movable plate front center, and the wooden handle front end for pending drilling processing positions.The upper casting die is solid
The upper surface of in the middle part of the movable plate, two fixed point is used for close to two sides of the movable plate, the upper casting die
The upside of the wooden handle is fixed.The side clamping plate is two pieces, is respectively perpendicular and is fixed on the latter half of close to described of the movable plate
The upper surface of two sides of movable plate, both sides of the side clamping plate for the wooden handle are fixed.The rotating bar is located at the work
The upper end of central part below movable plate, rotating bar is fixedly connected with movable plate plane perpendicular, and the lower end of rotating bar passes through the company
The circular hole in fishplate bar center, into the movable table table top be arranged corresponding shrinkage pool in, the diameter of rotating bar with it is described
The circular hole in connecting plate center matches, and the movable plate can carry out left-right rotation by the rotating bar.
The locating rack penetrates the fixed hole of the left plate and the right panel by fastener, is fixed on the activity work
Make on platform table top.
It is preferred that the positioning clamping jaw includes clamping jaw and handle；The clamping jaw is arc, and the arc both ends are each
If there are one grooves；The groove is matched with the convex section of the movable plate tail portion；The handle is set to the one of the arc
End, and one end of the handle is vertical with the cambered surface of the arc fixes.
It is preferred that the upper casting die includes cross bar, compression bar, pressing plate and holder；The cross bar is cylindrical, and two
End is respectively provided with an outwardly projecting small column in an axial direction, and the small column is inserted in the small of two frame uppers settings respectively
In circular hole, the lower end of two holders is respectively described two fixed points of the upper casting die；The compression bar is cylinder, should
One end of compression bar is upturned to form bevel edge, and the end of the bevel edge is vertical with the crossbar center to be fixedly connected, the compression bar
The other end is free end；The pressing plate is tablet, and length is shorter than the compression bar, and width is slightly less than thicker in the middle part of the cross bar
Partial body length；One end of the pressing plate is bent upwards, and the end of this bending and the cylinder of the cross bar thicker part point are solid
Fixed connection, the other end of the pressing plate is fixedly connected along the compression bar length direction with the compression bar, and the compression bar is located at institute
It states above the center line of pressing plate；The pressing plate and the compression bar can be rotated upwardly and downwardly around the cross bar.
The foreboard, back plate, left plate, right panel are angle plate or square bar.The connecting plate is tablet or square bar.
The movable plate is tablet.The left locating piece, right locating piece and pre-positioning block are rectangular or bar shaped.The wooden handle is circle
Or it is rectangular.
What specific inclined hole boring positioning process was realized in：
The right hand lifts the compression bar of casting die, and the wooden handle of hole machined to be drilled is put into movable plate by left hand, wooden handle front end abutment
Pre-positioning block, wooden handle both sides are clamped by two pieces of side clamping plates of movable plate both sides, and the compression bar of upper casting die is pressed downwardly onto bottom by the right hand again,
It holds wooden handle (if wooden handle is longer) simultaneously not unclamp, be pressed stightly on the upside of wooden handle, the right hand continues to hold compression bar, makes
Movable plate component goes to bottom to the right, and the front end left side chamfering of movable plate reclines left locating piece at this time, and left hand holds positioning clamping jaw
Handle rotate down so that the right groove on positioning clamping jaw blocks convex section on the right of movable plate tail portion, and have thus determined wooden handles
An angle, then control sliding feed drilling machine, the top for being directed at wooden handle drills out first inclined hole.After being drilled, similarly, left hand
The handle for holding positioning clamping jaw is rotated up, and so that the groove on positioning clamping jaw is disengaged convex section, the right hand continues to hold compression bar, makes movable plate
Component goes to bottom to the left side, and chamfering reclines right locating piece on the right of the front end of movable plate at this time, and left hand holds the handle of positioning clamping jaw
It is rotated up so that the left side groove on positioning clamping jaw blocks the convex section in the movable plate tail portion left side, determines other the one of wooden handle in this way
A angle, left hand shake the turning handle on movable table, locating rack are made to move forward, cooperation control sliding feed drilling machine, alignment
The lower part of wooden handle drills out second inclined hole.So, the course of work of entire inclined hole drilling is completed.
In conclusion being had the advantages that using the technical solution of the utility model：
Since wooden handle is directly or indirectly by the pre-positioning block on above-mentioned locating rack, left locating piece, right locating piece, upper pressure
Part, side clamping plate and the positioning action for positioning clamping jaw, it is ensured that the registration of rat holing, and consistency is good, avoids and bores
Unqualified phenomenon, improves production efficiency caused by inclined hole is inaccurate.
Description of the drawings
It, below will be to the utility model embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing needed in description is briefly described.It should be evident that the accompanying drawings in the following description is only that this practicality is new
A part of the embodiment of type without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of inclined hole drilling-hole positioning device structural upright schematic diagram of the utility model；
Fig. 2 is a kind of 1 schematic diagram of inclined hole drilling-hole positioning device rat holing of the utility model；
Fig. 3 is a kind of 2 schematic diagram of inclined hole drilling-hole positioning device rat holing of the utility model；
Fig. 4 is diameter horizontal profile schematic diagram of the utility model wooden handle rat holing 1 along wooden handle；
Fig. 5 is diameter horizontal profile schematic diagram of the utility model wooden handle rat holing 2 along wooden handle.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figures 1 to 5, a kind of inclined hole drilling-hole positioning device, including movable table 1, sliding feed drilling machine 2 and fixed
Position frame 3.
The locating rack 3, generally rectangle, by movable plate component 4, foreboard 5, back plate 6, left plate 7, right panel 8, connecting plate 9
It is constituted with positioning clamping jaw 10.
The foreboard 5, back plate 6, left plate 7, right panel 8 are bar shaped, and the foreboard 5 and 6 equal length of the back plate are described
Both ends of the front end of left plate 7 and 8 equal length of the right panel, the left plate 7 and the right panel 8 respectively with the foreboard 5 are fixed
Connection；The rear end of the left plate 7 and the right panel 8 is fixedly connected with the both ends of the back plate 6 respectively.The left plate 7 and described
Right panel 8 is to having fixed hole 11.The connecting plate 9 is bar shaped, both ends respectively with the middle part of the foreboard 5 and the back plate
6 middle parts are fixedly connected, and the connecting plate 9 is located at the top side position of the foreboard 5 and the back plate 6, and is parallel to the work
The mediad of the table top of dynamic workbench 1, the connecting plate 9 is divided into there are one circular hole 12, and the circular hole is through-hole.The foreboard 5
Upside is equipped with left locating piece 13, the position rotated toward the left side for limiting 4 front end of movable plate component by the left side.The foreboard
Upside is equipped with right locating piece 14, the position rotated toward the right for limiting 4 front end of movable plate component by the right.The back plate
6 trailing flank center is set there are one shaft 15, and 15 one end of the shaft is vertically fixed on 6 rear side of the back plate, and the other end is worn
Enter in the circular through hole that 10 middle part of positioning clamping jaw is arranged, and is riveted with the positioning clamping jaw 10,10 energy of positioning clamping jaw
It is enough to be rotated upwardly and downwardly around the shaft 15.
The movable plate component 4 includes movable plate 16, pre-positioning block 17, upper casting die 18, side clamping plate 19 and rotating bar 20.
The movable plate 16 is bar shaped, and front end is left and right to be respectively equipped with chamfering, and the chamfering can be with the left locating piece 13 and the right side
Locating piece 14 is bonded.The tail portion of the movable plate 16 is left and right to be respectively equipped with a convex section A and convex section B (as shown in Figure 3), described
Convex section A and convex section B coordinates the positioning clamping jaw 10 to carry out positioning action.Before the pre-positioning block 17 is fixed on the movable plate 16
End middle part, 21 front end of the wooden handle positioning (as shown in Figure 2) for pending drilling processing.The upper casting die 18 is fixed on described
The upper surface of 16 middle part of movable plate, two fixed point is used for institute close to two sides of the movable plate 16, the upper casting die 18
The upside for stating wooden handle 21 is fixed.The side clamping plate 19 is two pieces, is respectively perpendicular and is fixed on the latter half of close of the movable plate 16
The upper surface of two sides of the movable plate 16, both sides of the side clamping plate 19 for the wooden handle 21 are fixed.The rotating bar
20 are located at the movable plate 16, and central part, the upper end of rotating bar 20 are fixedly connected with 16 plane perpendicular of movable plate below, are rotated
The lower end of bar 20 passes through the circular hole 12 in 9 center of the connecting plate, is arranged into 1 table top of the movable table corresponding
In shrinkage pool, the diameter of rotating bar 20 is matched with the circular hole 12 in 9 center of the connecting plate, and the movable plate 16 can pass through
The rotating bar 20 carries out left-right rotation.
The locating rack 3 penetrates the fixed hole 11 of the left plate 7 and the right panel 8 by fastener 22, is fixed on institute
It states on 1 table top of movable table.
It is preferred that the positioning clamping jaw 10 includes clamping jaw and handle 23；The clamping jaw is arc, the arc two
End is respectively provided with a groove C and groove D (as shown in Figure 3)；The groove C and groove D is described with 16 tail portion of the movable plate
Convex section A and convex section B matchings；The handle 23 is set to one end of the arc, and one end of the handle 23 and the arc
Cambered surface is vertically fixed.
It is preferred that the upper casting die 18 includes cross bar 24, compression bar 25, pressing plate 26 and holder 27；The cross bar 24
For cylinder, both ends are respectively provided with an outwardly projecting small column in an axial direction, and the small column is inserted in two branch respectively
In the small sircle hole of 27 top of frame setting, the lower end of two holders 27 is respectively described two fixations of the upper casting die 18
Point；The compression bar 25 is cylinder, and one end of the compression bar 25 is upturned to form bevel edge, the end of the bevel edge and the cross bar 24
Central vertical is fixedly connected, and the other end of the compression bar 25 is free end；The pressing plate 26 is tablet, and length is than the compression bar
25 is short, and width is slightly less than the body length of 24 middle part thicker part of the cross bar point；One end of the pressing plate 26 is bent upwards, this
The end of bending is fixedly connected with the cylinder of 24 thicker part of the cross bar point, and the other end of the pressing plate 26 is along the compression bar 25
Length direction is fixedly connected with the compression bar 25, and the compression bar 25 is located above the center line of the pressing plate 26；26 He of the pressing plate
The compression bar 25 can be rotated upwardly and downwardly around the cross bar 24.
The foreboard 5, back plate 6, left plate 7, right panel 8 are angle plate or square bar.The connecting plate 9 be tablet or
Square bar.The movable plate 16 is tablet.The left locating piece 13, right locating piece 14 and pre-positioning block 17 are rectangular or item
Shape.The wooden handle 21 is round or rectangular.
What specific inclined hole boring positioning process was realized in：
As shown in Fig. 2, the right hand lifts the compression bar 25 of casting die 18, the wooden handle 21 of hole machined to be drilled is put into activity by left hand
In plate 16,21 front end abutment pre-positioning block 17 of wooden handle, 21 both sides of wooden handle are clamped by two pieces of side clamping plates 19 of 16 both sides of movable plate,
The compression bar 25 of upper casting die 18 is pressed downwardly onto bottom by the right hand again, while being held wooden handle 21 (if wooden handle 21 is longer) and not unclamped,
The upside of wooden handle 21 is pressed stightly, and the right hand continues to hold compression bar 25, and movable plate component 4 is made to go to bottom to the right, movable at this time
The front end left side chamfering of plate 16 reclines left locating piece 13, and the handle 23 that left hand holds positioning clamping jaw 10 rotates down so that positioning
The right groove D on clamping jaw 10 blocks convex section B on the right of 16 tail portion of movable plate, and have thus determined an angles of wooden handle 21, then
Sliding feed drilling machine 2 is controlled, the top of alignment wooden handle 21 drills out first inclined hole 28 (as shown in Figure 4).After being drilled, similarly, such as
Shown in Fig. 3, the handle 23 that left hand holds positioning clamping jaw 10 is rotated up, and the groove D on positioning clamping jaw 10 is made to disengage convex section B, right
Hand continues to hold compression bar 25, and movable plate component 4 is made to go to bottom to the left side, and chamfering reclines right positioning on the right of the front end of movable plate 16 at this time
Block 14, the handle 23 that left hand holds positioning clamping jaw 10 are rotated up so that the left side groove C on positioning clamping jaw 10 blocks movable plate
The convex section A in the 16 tail portions left side determines that another angle of wooden handle 21, left hand shake the turning handle on movable table 1 in this way, and it is fixed to make
Position frame 3 moves forward, and cooperation control sliding feed drilling machine 2, the lower part of alignment wooden handle 21 drills out second inclined hole 29 (such as Fig. 5 institutes
Show).So, the course of work of entire inclined hole drilling is completed.
In conclusion being had the advantages that using the technical solution of the utility model：Due to wooden handle 21 directly or
Indirectly by pre-positioning block 17, left locating piece 13, right locating piece 14, upper casting die 18,19 and of side clamping plate on above-mentioned locating rack 3
Position the positioning action of clamping jaw 10, it is ensured that the registration of rat holing, and consistency is good avoids that rat holing occur inaccurate
Caused by unqualified phenomenon, improve production efficiency.
Embodiments described above does not constitute the restriction to the technical solution protection domain.It is any in above-mentioned implementation
Modifications, equivalent substitutions and improvements etc., should be included in the protection model of the technical solution made by within the spirit and principle of mode
Within enclosing.
Claims (8)
1. a kind of inclined hole drilling-hole positioning device, including movable table, sliding feed drilling machine and locating rack；
It is characterized in that：
The locating rack, generally rectangle, by movable plate component, foreboard, back plate, left plate, right panel, connecting plate and positioning clamping jaw structure
At；
The foreboard, back plate, left plate, right panel are bar shaped；The foreboard and the back plate equal length；The left plate and the right side
Plate equal length；The front end of the left plate and the right panel is fixedly connected with the both ends of the foreboard respectively；The left plate and institute
The rear end for stating right panel is fixedly connected with the both ends of the back plate respectively；The left plate and the right panel are to having fixed hole；
The connecting plate is bar shaped, and both ends are fixedly connected in the middle part of the foreboard and in the middle part of the back plate respectively, the connecting plate position
In the top side position of the foreboard and the back plate, and it is parallel to the table top of the movable table；In the connecting plate
It entreats to a circular hole is had, the circular hole is through-hole；
On the upside of the foreboard left locating piece, the position rotated toward the left side for limiting movable plate component front end are equipped with by the left side
It sets；On the upside of the foreboard right locating piece, the position rotated toward the right for limiting movable plate component front end are equipped with by the right；
The trailing flank center of the back plate is set there are one shaft, and described shaft one end is vertically fixed on the back plate rear side, separately
One end penetrates in the circular through hole being arranged in the middle part of the positioning clamping jaw, and is riveted with the positioning clamping jaw, the positioning clamping jaw energy
It is enough to be rotated upwardly and downwardly around the shaft；
The movable plate component includes movable plate, pre-positioning block, upper casting die, side clamping plate and rotating bar；The movable plate is bar shaped,
Its front end is left and right to be respectively equipped with chamfering, and the chamfering can be bonded with the left locating piece and the right locating piece；The movable plate
Tail portion left and right be respectively equipped with a convex section；The convex section coordinates the positioning clamping jaw to carry out positioning action；
The pre-positioning block is fixed on the movable plate front center, and the wooden handle front end for pending drilling processing positions；Institute
It states casting die and is fixed on the upper surface of described movable plate middle part, two fixed point is described close to two sides of the movable plate
Upside of the upper casting die for the wooden handle is fixed；The side clamping plate is two pieces, is respectively perpendicular and is fixed on the later half of the movable plate
Portion is close to the upper surface of two sides of the movable plate；Both sides of the side clamping plate for the wooden handle are fixed；The rotating bar
The central part below the movable plate, the upper end of the rotating bar is fixedly connected with the movable plate plane perpendicular, described
The lower end of rotating bar passes through the circular hole in connecting plate center, the corresponding shrinkage pool being arranged into the movable table table top
In；The diameter of the rotating bar is matched with the circular hole in connecting plate center；The movable plate can pass through the rotation
Bar carries out left-right rotation；
The locating rack penetrates the fixed hole of the left plate and the right panel by fastener, is fixed on the activity work
Make on platform table top.
2. a kind of inclined hole drilling-hole positioning device according to claim 1, it is characterised in that：The positioning clamping jaw include clamping jaw and
Handle；The clamping jaw is arc, and the arc both ends are respectively provided with a groove；The groove is described with the movable plate tail portion
Convex section matching；The handle is set to one end of the arc, and one end of the handle is vertical with the cambered surface of the arc fixes.
3. a kind of inclined hole drilling-hole positioning device according to claim 1, it is characterised in that：The upper casting die includes cross bar, pressure
Bar, pressing plate and holder；The cross bar is cylinder, and both ends are respectively provided with an outwardly projecting small column in an axial direction, described small
Cylinder is inserted in respectively in the small sircle hole of two frame upper settings, and the lower end of two holders is respectively the upper casting die
Described two fixed points；The compression bar is cylinder, and one end of the compression bar is upturned to form bevel edge, the end of the bevel edge with
The crossbar center is vertically fixedly connected, and the other end of the compression bar is free end；The pressing plate is tablet, described in length ratio
Compression bar is short, and width is slightly less than the body length of thicker part point in the middle part of the cross bar；One end of the pressing plate is bent upwards, this is curved
Bent end is fixedly connected with the cylinder that the cross bar thicker part divides, the other end of the pressing plate along the compression bar length direction,
It is fixedly connected with the compression bar, and the compression bar is located above the center line of the pressing plate；The pressing plate and the compression bar can be around
The cross bar is rotated upwardly and downwardly.
4. a kind of inclined hole drilling-hole positioning device according to claim 1, it is characterised in that：The foreboard, back plate, left plate, the right side
Plate is angle plate or square bar.
5. a kind of inclined hole drilling-hole positioning device according to claim 1, it is characterised in that：The connecting plate is tablet or side
Bar shaped.
6. a kind of inclined hole drilling-hole positioning device according to claim 1, it is characterised in that：The movable plate is tablet.
7. a kind of inclined hole drilling-hole positioning device according to claim 1, it is characterised in that：The left locating piece, right locating piece
It is rectangular or bar shaped with pre-positioning block.
8. a kind of inclined hole drilling-hole positioning device according to claim 1, it is characterised in that：The wooden handle is round or side
Shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721649801.6U CN207723911U (en) | 2017-11-30 | 2017-11-30 | A kind of inclined hole drilling-hole positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721649801.6U CN207723911U (en) | 2017-11-30 | 2017-11-30 | A kind of inclined hole drilling-hole positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207723911U true CN207723911U (en) | 2018-08-14 |
Family
ID=63088877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721649801.6U Expired - Fee Related CN207723911U (en) | 2017-11-30 | 2017-11-30 | A kind of inclined hole drilling-hole positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207723911U (en) |
-
2017
- 2017-11-30 CN CN201721649801.6U patent/CN207723911U/en not_active Expired - Fee Related
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| 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: 20180814 Termination date: 20181130 |