CN109940077A - A kind of high velocity ram machine of the automobile parts production with buffer unit - Google Patents
A kind of high velocity ram machine of the automobile parts production with buffer unit Download PDFInfo
- Publication number
- CN109940077A CN109940077A CN201910206520.0A CN201910206520A CN109940077A CN 109940077 A CN109940077 A CN 109940077A CN 201910206520 A CN201910206520 A CN 201910206520A CN 109940077 A CN109940077 A CN 109940077A
- Authority
- CN
- China
- Prior art keywords
- tooth plate
- wall
- sliding
- punching press
- adjustment seat
- 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.)
- Withdrawn
Links
Landscapes
- Automatic Assembly (AREA)
Abstract
The invention discloses a kind of automobile parts to produce the high velocity ram machine with buffer unit, including pedestal, the top installation organic frame and controller of the pedestal, the rack is located at the side of controller, and rack is by chassis, pillar and upper frame collectively constitute, the pillar is welded between chassis and upper frame, the top of the chassis is equipped with part mould, the top of the upper frame is equipped with motor, one end of the motor is rotatablely connected crank link mechanism by shaft, the crank link mechanism is by runner, crank connecting link, sliding sleeve and slide bar collectively constitute, the both ends of the crank connecting link are connect with runner and sliding sleeve respectively, the sliding sleeve is sheathed on slide bar, and the bottom end of sliding sleeve is welded with punching press column, the present invention is provided with adjustment seat, sliding slot, sliding block, first tooth plate and the second tooth plate, buffer gear in the punching machine carry out using The effect that its position is adjusted can be realized by adjustment seat in the process.
Description
Technical field
The invention belongs to technical field of automobile accessories, and in particular to a kind of height of the automobile parts production with buffer unit
Fast punching machine.
Background technique
Automobile parts be constitute each unit of automobile entirety and serve the device product of automobile, and automobile parts into
Miscellaneous machining tool is used in row plus man-hour requirement, and which includes the high velocity ram machines for stamped.
In the Chinese utility model patent of Patent No. CN206263051U, a kind of automobile parts production band is proposed
There is the high velocity ram machine of buffer unit, enables punching machine effectively to realize material when carrying out punching press by the way that corresponding buffer unit is arranged
Fixation, to effectively improve the precision of forming part, and realize by the spring in buffer unit buffering when punching press, but
Be that above-mentioned punching machine needs to carry out in the actual production process the processing of various parts, and for different processing parts and
It says that the position of its punching press is also different, and is formed and fixed between above-mentioned buffer unit and punching press column, be neither convenient for buffering
Position between device and punching press column is adjusted, and is not easy to realize the replacement of buffer unit, so that above-mentioned buffer unit is difficult
To be suitable for the processing of different parts, causes the use scope of the punching machine to reduce, indirectly increase overall processing cost.
Summary of the invention
The purpose of the present invention is to provide a kind of automobile parts to produce the high velocity ram machine with buffer unit, existing to solve
Some punching machines are not easy to realize the adjusting and replacement of buffer unit during use, so as to cause whole punching machine applicability drop
Low problem.
To achieve the above object, the invention provides the following technical scheme: a kind of production of automobile parts is with buffer unit
High velocity ram machine, including pedestal, the top installation organic frame and controller, the rack of the pedestal be located at the one of controller
Side, and rack is collectively constituted by chassis, pillar and upper frame, the pillar is welded between chassis and upper frame, the top of the chassis
End is equipped with part mould, and the top of the upper frame is equipped with motor, and one end of the motor is rotatablely connected crank by shaft
Link mechanism, the crank link mechanism are collectively constituted by runner, crank connecting link, sliding sleeve and slide bar, and the two of the crank connecting link
End is connect with runner and sliding sleeve respectively, and the sliding sleeve is sheathed on slide bar, and the bottom end of sliding sleeve is welded with punching press column, the slide bar
It is welded in the bottom end of upper frame, and slide bar, through the inside of punching press column, one end of the punching press column is welded with staking punch, and punching press
Be provided with buffer gear on the outer wall of column, the motor and controller are electrically connected, the buffer gear by fixed ring, spring,
Adjustment seat and fixation clip collectively constitute, and the fixed ring, spring and adjustment seat are sheathed on punching press column, and fixed ring and tune
Section seat is respectively welded in the both ends of spring, and the adjustment seat is connect far from the side of spring with fixation clip, and adjustment seat is interior
Portion is opened up there are two sliding slot, and two sliding slots are located at the two sides of punching press column, and the inside of two sliding slots is slidably connected
There is sliding block, the first tooth plate is embedded on the side outer wall of the sliding block, the adjustment seat is internally located at the position of sliding slot side
It is equipped with and adjusts bolt and the second tooth plate, second tooth plate is installed on the one end for adjusting bolt, and the second tooth plate and the first tooth
Plate engagement connection.
Preferably, the sliding block is adjacent to offering link slot on the side outer wall of the first tooth plate, the fixation clip
Middle position offers shifting chute, and the staking punch is located at the inside of shifting chute, and the side outer wall of the fixation clip is upper
It is provided with link block at the position of shifting chute two sides, connects between the link block and link slot by the way that connection bolt is fixed
It connects.
Preferably, it is respectively arranged with guide block on the two sides inner wall of the punching press column and on the two sides inner wall of adjustment seat and leads
Slot, two guide blocks are slidably connected with guide groove, and two guide grooves are respectively positioned between two sliding slots.
Preferably, on the side inner wall of the sliding slot and it is respectively arranged with slot rolling and ball on the side outer wall of sliding block, institute
Stating slot rolling is arcuate structure, and slot rolling is slidably connected with ball.
Preferably, second tooth plate is T convex structure, and adjusts and be connected with rotating plate between bolt and the second tooth plate,
The rotating plate and the second tooth plate are rotatablely connected by shaft.
Preferably, it is embedded with ball on the two sides inner wall of the shifting chute, the ball is provided with ten altogether, and
Ten ball First Five-Year Plans are evenly distributed on the two sides inner wall of shifting chute for one group.
Compared with the prior art, the present invention has the following beneficial effects:
(1) present invention is provided with adjustment seat, sliding slot, sliding block, the first tooth plate and the second tooth plate, the buffer gear in the punching machine
The effect that its position is adjusted can be realized by adjustment seat during carrying out use, and the adjustment effect of adjustment seat is then by sliding
Cooperation between the structures such as slot, sliding block, the first tooth plate and the second tooth plate realizes that wherein the sliding between sliding slot and sliding block can be effective
Change the position location of integrated buffer mechanism, and after engaging between the first tooth plate and the second tooth plate can effectively realize that position is adjusted
Positioning between structure to guarantee that the buffer gear can be carried out stable adjusting, and effectively reaches arbitrarily adjustment buffer gear
With the using effect of staking punch relative position, so that the punching machine be made to be effectively applicable to the punching press on same workpiece at different location,
Improve the applicability of the punching machine.
(2) present invention is provided with link slot, link block and connection bolt, in the buffer gear of the punching machine by link slot with
Engaging between link block effectively realizes the connection between fixation clip and adjustment seat, and between link slot and link block also
It is fixed with connection bolt, further improves the stabilization of fixation clip connection, not only by the mutual cooperation between above structure
The mobility of fixation clip has been effectively ensured, while also effectively ensure that the fixed stability of fixation clip, in addition the structure
Disassembly mode also very simple, the disassembly and replacement of fixation clip are easy to implement, to guarantee that corresponding buffer gear adapts to
In different parts, to further increase the applicability of the punching machine.
Detailed description of the invention
Fig. 1 is front view of the invention;
Fig. 2 is enlarged drawing at A of the invention;
Fig. 3 is the connection schematic diagram of adjustment seat of the present invention and fixation clip;
Fig. 4 is enlarged drawing at B of the invention;
Fig. 5 is the bottom view of adjustment seat of the present invention;
Fig. 6 is the bottom view of fixation clip of the present invention;
In figure: 1- pedestal, 2- rack, 21- chassis, 22- pillar, 23- upper frame, 3- controller, 4- part mould, 5- electricity
Machine, 6- crank link mechanism, 61- runner, 62- crank connecting link, 63- sliding sleeve, 64- slide bar, 7- punching press column, 8- staking punch, 9- are slow
Punch mechanism, 91- fixed ring, 92- spring, 93- adjustment seat, 931- sliding slot, 9311- slot rolling, 932- sliding block, 9321- link slot,
9322- ball, the first tooth plate of 933-, 934- adjust bolt, the second tooth plate of 935-, 936- rotating plate, 94- fixation clip, 941- and move
Dynamic slot, 942- link block, 943- connection bolt, 944- ball, 95- guide groove.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It please refers to shown in Fig. 1-Fig. 6, the invention provides the following technical scheme: a kind of production of automobile parts is filled with buffering
The high velocity ram machine set, including pedestal 1, the top installation organic frame 2 and controller 3, rack 2 of pedestal 1 are located at the one of controller 3
Side, controller 3 uses PLC programmable controller, and rack 2 is collectively constituted by chassis 21, pillar 22 and upper frame 23, pillar 22
It being welded between chassis 21 and upper frame 23, the top of chassis 21 is equipped with part mould 4, and the top of upper frame 23 is equipped with motor 5,
One end of motor 5CB-B80 driving motor, voltage rating 380V, rated power 1750W, rated speed 1800rpm, motor 5 is logical
Shaft rotation connection crank link mechanism 6 is crossed, crank link mechanism 6 is by runner 61, crank connecting link 62, sliding sleeve 63 and slide bar 64
It collectively constitutes, the both ends of crank connecting link 62 are connect with runner 61 and sliding sleeve 63 respectively, and sliding sleeve 63 is sheathed on slide bar 64, are passed through
The fitting of sliding sleeve 63 and slide bar 64 enables sliding sleeve 63 effectively to keep reciprocal and moves up and down, to guarantee that punching press column 7 can be real
Now stable and accurate reciprocal punching press, and the bottom end of sliding sleeve 63 is welded with punching press column 7, slide bar 64 is welded in the bottom end of upper frame 23,
And slide bar 64, through the inside of punching press column 7, one end of punching press column 7 is welded with staking punch 8, and is arranged on the outer wall of punching press column 7
There is buffer gear 9, motor 5 and controller 3 are electrically connected, and buffer gear 9 is by fixed ring 91, spring 92, adjustment seat 93 and fixes
Pressing plate 94 collectively constitutes, and fixed ring 91, spring 92 and adjustment seat 93 are sheathed on punching press column 7, passes through fixed ring 91 and spring
On the one hand 92 restriction can form relative movement between guarantee adjustment seat 93 and punching press column 7, on the other hand pass through the pressure of spring 92
Contracting can also effectively realize buffering when punching press column 7 pushes, so that stability of the punching machine in punching press is effectively ensured, and fixed ring
91 and adjustment seat 93 be respectively welded in the both ends of spring 92, side of the adjustment seat 93 far from spring 92 is connect with fixation clip 94,
And the inside of adjustment seat 93 is opened up there are two sliding slot 931, two sliding slots 931 are located at the two sides of punching press column 7, and two cunnings
The inside of slot 931 slidably connects sliding block 932, and the first tooth plate 933, adjustment seat 93 are embedded on the side outer wall of sliding block 932
It is internally located at the position of 931 side of sliding slot to be equipped with and adjusts bolt 934 and the second tooth plate 935, the second tooth plate 935 and be installed on tune
The one end for saving bolt 934, the restriction by adjusting bolt 934 can be realized effectively between the first tooth plate 933 and the second tooth plate 935
Separation with engage, to enable sliding block 932 to generate effective mobile and positioning, to reach stable slow-readjustment section punch mechanism 9
Purpose, and the second tooth plate 935 engages connection with the first tooth plate 933.
Further, sliding block 932 fixes pressure adjacent to link slot 9321 is offered on the side outer wall of the first tooth plate 933
The middle position of plate 94 offers shifting chute 941, and staking punch 8 is located at the inside of shifting chute 941, the side of fixation clip 94
It is provided with link block 942 at the position of 941 two sides of shifting chute on outer wall, is led between link block 942 and link slot 9321
It crosses connection bolt 943 to be fixedly connected, being fixed for workpiece can effectively be realized by the setting of fixation clip 94, and fixation clip
94 carry out using when both can produce adjusting, effective progress quick-replaceable, to reach the dual raising punching machine scope of application
Effect.
Further, on the two sides inner wall of punching press column 7 and guide block 71 is respectively arranged on the two sides inner wall of adjustment seat 93
With guide groove 95, two guide blocks 71 are slidably connected with guide groove 95, and two guide grooves 95 are respectively positioned between two sliding slots 931.
Specifically, slot rolling 9311 and rolling are respectively arranged on the side inner wall of sliding slot 931 and on the side outer wall of sliding block 932
Pearl 9322, slot rolling 9311 is arcuate structure, and slot rolling 9311 is slidably connected with ball 9322.
It is worth noting that the second tooth plate 935 is T convex structure, and adjust between bolt 934 and the second tooth plate 935
Rotating plate 936, rotating plate 936 and the second tooth plate 935 is connected with to be rotatablely connected by shaft.
Preferably, it being embedded with ball 944 on the two sides inner wall of shifting chute 941, ball 944 is provided with ten altogether,
And ten 944 First Five-Year Plans of ball are evenly distributed on the two sides inner wall of shifting chute 941 for one group.
The working principle of the invention and process for using: when using the invention, part to be punched is placed in work first
Then the top of part mold 4 carries out the adjustment of buffer gear 9, according to the position that part is placed to guarantee fixation clip 94 under
It is formed and is fixed just between part after pressure, and when being adjusted firstly the need of the adjusting spiral shell for unclamping 93 side of adjustment seat
Bolt 934, so that the first tooth plate 933 inside adjustment seat 93 is separated with the formation of the second tooth plate 935, sliding block 932 is in sliding slot at this time
931 inside form removable state, pass through the i.e. changeable fixation clip 94 of the relative movement between sliding block 932 and sliding slot 931
Position is achieved the purpose that adjust buffer gear 9 with this, offers shifting chute 941 on fixation clip 94 in the process, can be effective
Fixation clip 94 is avoided to impact when moving to the position of staking punch 8, it in addition can also be effectively real for above structure
The replacement of existing fixation clip 94, to make the adjustability of buffer gear 9 further increase, in the replacement that pressing plate 94 is fixed
When, fixation clip 94 and sliding block 932 are dismantled, wherein pass through link slot between sliding block 932 and fixation clip 94
9321, the structures such as link block 942 and connection bolt 943 are fixed, and bolt 943 will be connected by, which only needing in disassembly, disassembles,
And extract link block 942 out of link slot 9321 out, the structure of adjustment seat 93 itself is neither influenced in overall process, is made
Fixation clip 94 after must replacing also can be carried out effective adjusting, and can quickly finish the disassembly of fixation clip 94, to reach
The effect of the dual raising punching machine use scope, starts the external power supply of the punching machine after completing integral replacing or adjusting, and
Motor 5 is driven to start under the driving of controller 3, motor 5 drives runner 61 to rotate by shaft, and runner 61 is in the course of rotation
Crank connecting link 62 is driven to generate corresponding movement, to move back and forth rotary action variation using solid crank link mechanism 6
Effect, thus realize the reciprocating movement of punching press column 7 and staking punch 8, to reach the using effect of punching press and the reset of the punching machine,
Middle punching press column 7 drives buffer gear 9 is synchronous to push during being pushed so that fixation clip 94 one step ahead with workpiece
Form contact, to realize fixation to workpiece, then due to the restriction of part mould 4 so that the positioning of fixation clip 94 with it is current
Position, and punching press column 7 drives staking punch 8 to continue to push, so that extruding is generated to fixed ring 91 and spring 92, on the one hand realization pair
On the other hand the buffering of punching course guarantees that staking punch 8 can continue to be formed between workpiece to contact, to realize complete punching press behaviour
Make.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of automobile parts produce the high velocity ram machine with buffer unit, including pedestal (1), the top of the pedestal (1)
Organic frame (2) and controller (3) be installed, the rack (2) is located at the side of controller (3), and rack (2) by chassis (21),
Pillar (22) and upper frame (23) collectively constitute, and the pillar (22) is welded between chassis (21) and upper frame (23), the chassis
(21) top is equipped with part mould (4), and the top of the upper frame (23) is equipped with motor (5), one end of the motor (5)
Crank link mechanism (6) are rotatablely connected by shaft, the crank link mechanism (6) is by runner (61), crank connecting link (62), cunning
Set (63) and slide bar (64) collectively constitute, and the both ends of the crank connecting link (62) are connect with runner (61) and sliding sleeve (63) respectively,
The sliding sleeve (63) is sheathed on slide bar (64), and the bottom end of sliding sleeve (63) is welded with punching press column (7), slide bar (64) welding
In the bottom end of upper frame (23), and slide bar (64), through the inside of punching press column (7), one end of the punching press column (7) is welded with punching
Pressure head (8), and buffer gear (9) are provided on the outer wall of punching press column (7), the motor (5) and controller (3) are electrically connected,
It is characterized by: the buffer gear (9) is common by fixed ring (91), spring (92), adjustment seat (93) and fixation clip (94)
Composition, the fixed ring (91), spring (92) and adjustment seat (93) are sheathed on punching press column (7), and fixed ring (91) and tune
Section seat (93) is respectively welded in the both ends of spring (92), side and fixation clip of the adjustment seat (93) far from spring (92)
(94) it connects, and the inside of adjustment seat (93) is opened up there are two sliding slot (931), two sliding slots (931) are located at punching press
The two sides of column (7), and the inside of two sliding slots (931) slidably connects sliding block (932), outside the side of the sliding block (932)
It is embedded on wall the first tooth plate (933), the adjustment seat (93) is internally located at the position of sliding slot (931) side and is equipped with adjusting
Bolt (934) and the second tooth plate (935), second tooth plate (935) are installed on the one end for adjusting bolt (934), and the second tooth
Plate (935) engages connection with the first tooth plate (933).
2. a kind of automobile parts according to claim 1 produce the high velocity ram machine with buffer unit, it is characterised in that:
The sliding block (932) is adjacent to offering link slot (9321), the fixation clip on the side outer wall of the first tooth plate (933)
(94) middle position offers shifting chute (941), and the staking punch (8) is located at the inside of shifting chute (941), the fixation
Link block (942), the link block are provided at the position of shifting chute (941) two sides on the side outer wall of pressing plate (94)
(942) it is fixedly connected between link slot (9321) by connecting bolt (943).
3. a kind of automobile parts according to claim 1 produce the high velocity ram machine with buffer unit, it is characterised in that:
On the two sides inner wall of the punching press column (7) and guide block (71) and guide groove are respectively arranged on the two sides inner wall of adjustment seat (93)
(95), two guide blocks (71) are slidably connected with guide groove (95), and two guide grooves (95) be respectively positioned on two sliding slots (931) it
Between.
4. a kind of automobile parts according to claim 1 produce the high velocity ram machine with buffer unit, it is characterised in that:
On the side inner wall of the sliding slot (931) and slot rolling (9311) and ball are respectively arranged on the side outer wall of sliding block (932)
(9322), the slot rolling (9311) is arcuate structure, and slot rolling (9311) is slidably connected with ball (9322).
5. a kind of automobile parts according to claim 1 produce the high velocity ram machine with buffer unit, it is characterised in that:
Second tooth plate (935) is T convex structure, and adjusts and be connected with rotating plate between bolt (934) and the second tooth plate (935)
(936), the rotating plate (936) and the second tooth plate (935) are rotatablely connected by shaft.
6. a kind of automobile parts according to claim 2 produce the high velocity ram machine with buffer unit, it is characterised in that:
It being embedded with ball (944) on the two sides inner wall of the shifting chute (941), the ball (944) is provided with ten altogether, and
Ten balls (944) are evenly distributed on the two sides inner wall of shifting chute (941) with five for one group.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910206520.0A CN109940077A (en) | 2019-03-19 | 2019-03-19 | A kind of high velocity ram machine of the automobile parts production with buffer unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910206520.0A CN109940077A (en) | 2019-03-19 | 2019-03-19 | A kind of high velocity ram machine of the automobile parts production with buffer unit |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109940077A true CN109940077A (en) | 2019-06-28 |
Family
ID=67009049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910206520.0A Withdrawn CN109940077A (en) | 2019-03-19 | 2019-03-19 | A kind of high velocity ram machine of the automobile parts production with buffer unit |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109940077A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111702893A (en) * | 2020-07-14 | 2020-09-25 | 东莞市俊鑫五金制品有限公司 | Binding device of photo frame backboard fixing piece |
CN112207174A (en) * | 2020-08-12 | 2021-01-12 | 常德鑫盛机械有限公司 | High-speed punch press for machining and using method thereof |
CN113231531A (en) * | 2021-06-03 | 2021-08-10 | 安庆牛力模具股份有限公司 | Impact-resistant deburring type bolt trimming die |
-
2019
- 2019-03-19 CN CN201910206520.0A patent/CN109940077A/en not_active Withdrawn
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111702893A (en) * | 2020-07-14 | 2020-09-25 | 东莞市俊鑫五金制品有限公司 | Binding device of photo frame backboard fixing piece |
CN112207174A (en) * | 2020-08-12 | 2021-01-12 | 常德鑫盛机械有限公司 | High-speed punch press for machining and using method thereof |
CN112207174B (en) * | 2020-08-12 | 2022-12-23 | 常德鑫盛机械有限公司 | High-speed punch press for machining and using method thereof |
CN113231531A (en) * | 2021-06-03 | 2021-08-10 | 安庆牛力模具股份有限公司 | Impact-resistant deburring type bolt trimming die |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109940077A (en) | A kind of high velocity ram machine of the automobile parts production with buffer unit | |
CN111215535A (en) | Stamping die | |
CN113909529A (en) | Copper sheathing perforating device of waste material recoverable formula | |
CN205255573U (en) | Manual regulation tapered wedge formula mould close height adjustment | |
CN110883215A (en) | Bolt stamping die | |
CN106141243B (en) | Automatic punch | |
CN212238823U (en) | Die for side punching of three-way catalyst heat shield | |
CN102847806A (en) | Twisting forming die for gear shift and selection wiredrawing support | |
CN203293288U (en) | Horizontal edge shearing machine | |
CN104014691A (en) | Pea holder forming device | |
CN116618655A (en) | Manufacturing method of powder metallurgy forming inductance stamping die and die | |
CN203752547U (en) | Press machine | |
CN211071994U (en) | Noise-reducing and energy-saving high-speed plate shearing machine | |
CN114570823A (en) | Hot stamping die for restraining flash and burr of part | |
CN210026061U (en) | Positioning device for plastic mold frame | |
CN204868299U (en) | Bands for band feeding device | |
CN208759664U (en) | A kind of shield molding machine | |
CN208759760U (en) | Shaping mechanism inside 2 axis rail ceramic blank of one kind | |
CN210458231U (en) | Pressing tool for leather impression | |
CN219746131U (en) | Automatic material receiving device of punch press | |
CN209052875U (en) | A kind of tabouret X of computerized emboridering machine is to double-drive device | |
CN108422622B (en) | Three-section type mechanical arm of injection molding machine | |
CN207770817U (en) | A kind of bimetal composite casting automobile die | |
CN220298180U (en) | Embossing die | |
CN220612537U (en) | Gear hobbing machine cutter rest angle adjustment mechanism |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190628 |
|
WW01 | Invention patent application withdrawn after publication |