CN109623246A - A kind of welding fixture easy to operate - Google Patents

A kind of welding fixture easy to operate Download PDF

Info

Publication number
CN109623246A
CN109623246A CN201910070847.XA CN201910070847A CN109623246A CN 109623246 A CN109623246 A CN 109623246A CN 201910070847 A CN201910070847 A CN 201910070847A CN 109623246 A CN109623246 A CN 109623246A
Authority
CN
China
Prior art keywords
strut
gear
holder
traveller
oil cylinder
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.)
Pending
Application number
CN201910070847.XA
Other languages
Chinese (zh)
Inventor
石勤志
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.)
Changshu Chuangxin Welding Equipment Co Ltd
Original Assignee
Changshu Chuangxin Welding Equipment 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 Changshu Chuangxin Welding Equipment Co Ltd filed Critical Changshu Chuangxin Welding Equipment Co Ltd
Priority to CN201910070847.XA priority Critical patent/CN109623246A/en
Publication of CN109623246A publication Critical patent/CN109623246A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426Fixtures for other work
    • B23K37/0435Clamps
    • B23K37/0443Jigs

Abstract

The invention discloses a kind of welding fixtures easy to operate, including pedestal and it is arranged in the side frame at pedestal both ends, sliding chamber is offered on the side wall of both ends side frame, traveller is slidably fitted in sliding chamber, the connecting screw through traveller is disposed in sliding chamber vertically, the inside of pedestal is equipped with the third motor for being drivingly connected screw rod rotation;The side of traveller is equipped with rotatable first strut, first strut and the second strut are slidably connected, link block is installed above the end of second strut, oil cylinder is installed above first strut, the output rod of oil cylinder is connected on link block, and the second strut is connected with clamp device far from one end of oil cylinder.The present invention can adjust the height of strut and the elongation of strut, can drive rotation in the welding process according to the habit of user and the size of workpiece, reach multi-angle welding, reinstall without disassembly.

Description

A kind of welding fixture easy to operate
Technical field
The invention belongs to welding fixture technical fields, and in particular to a kind of welding fixture easy to operate.
Background technique
With the quickening of process of industrialization, automatic welding machinery hand is in auto parts and components, electronic box electric cabinet and other relatively large Product in equipment using very extensive.And production efficiency how is improved, the potentiality of automatic welding machinery hand are given full play to, are It is each to introduce the mechanical lacking practice and skill important topic for producing enterprise and facing of automatic welding;
Existing welding fixture fixed form is single, when 360 degree of welding of needs, needs to reinstall after repeatedly dismantling, To change the angle of workpiece, multiple faces are successively welded, are wasted time, cannot be according to the size of workpiece and operator when welding Level of comfort adjusts the height of workpiece, inconvenient, for this purpose, being badly in need of a kind of welding fixture for being able to solve the above problem.
Summary of the invention
In view of the above existing problems in the prior art, the present invention provides a kind of welding fixtures easy to operate, it can be achieved that just The rotatable welding fixture in adjusting, welding process.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of welding fixture easy to operate including pedestal and is arranged in the side frame at pedestal both ends, the side of both ends side frame Sliding chamber is offered on wall, and traveller is slidably fitted in the sliding chamber, is disposed with the connection through traveller in the sliding chamber vertically Screw rod, the inside of the pedestal are equipped with the third motor for being drivingly connected screw rod rotation;
The side of the traveller is equipped with rotatable first strut, and first strut is equipped with grafting far from one end of traveller One end of slot, inserting groove and the second strut is slidably connected, and is equipped with link block, first strut above the end of the second strut Top oil cylinder is installed, the output rod of the oil cylinder is connected on link block, and second strut is in one end of oil cylinder Portion is equipped with first motor, and the side of the first motor is connected with second gear, and connection is engaged in the bottom of the second gear There is first gear, the first gear is connected to one end of connecting shaft, and the connecting shaft is arranged in the inside of the second strut, described Connecting shaft is equipped with hexagon prism far from one end of first gear and extends to outside across the second strut, and second strut is far from oil cylinder One end be connected with clamp device.
Preferably, the inner rotation of the traveller is equipped with support column, and is connected by support column with the first strut, described Support column is connected with third gear far from the side of the first strut, and the inside of the traveller is equipped with the second motor and its driving turns The 4th dynamic gear, third gear are meshed with the 4th gear.
Preferably, the clamp device includes: that the first holder, slide plate, tooth set and clamping plate, first holder pass through bolt It is movably connected on the second strut, symmetrically there are two slide plate, the slide plate slides are mounted on the inside center of first holder In first holder, rack gear is respectively equipped on the inside of two slide plates, and be meshed and be driven by intermediate tooth set, two cunnings Front edge of board passes through the first holder and is connected separately with clamping plate, and the setting direction of clamping plate is vertical with the setting direction of slide plate upper rack, Hexagon ring is equipped with inside one end of the tooth set, the hexagon ring and hexagon prism activity are clamped.
Preferably, the clamp device includes: the second holder, wrom tooth disk, sliding slot and claw, and second holder passes through spiral shell Bolt is movably connected on the second strut, and the inner rotation of second holder is equipped with wrom tooth disk, on the end face of the wrom tooth disk Equipped with snail shape tooth, multiple sliding slots circumferentially, the internal slide peace of the sliding slot are offered on the outer wall of second holder Equipped with claw, the snail shape tooth engagement that the claw and wrom tooth disk are equipped with, side side wall of the wrom tooth disk far from snail shape tooth Hexagon ring is offered at center, and hexagon ring and hexagon prism activity are clamped.
Preferably, the bottom four corners of the pedestal are mounted on the universal wheel for driving brake gear.
Compared with prior art, the invention has the benefit that
It is (1), of the invention by being slidably fitted with strut that is extending, shortening on the both ends of pedestal installation side frame, side frame, The height of strut and the elongation of strut can be adjusted according to the habit of user and the size of workpiece by realizing the present apparatus;
(2), the present invention on strut by installing the first holder or the second holder, it can be achieved that the present apparatus both can be with clamping plate Material can be welded again with the cylindric workpiece of clamping.
(3), the present invention can be rotated by the first strut on traveller, and rotation can be driven in the welding process by realizing, and be reached It welds to multi-angle, is reinstalled without disassembly.
Detailed description of the invention
Fig. 1 is the structural schematic diagram in the embodiment of the present invention 1;
Fig. 2 is the structural schematic diagram in the embodiment of the present invention 2;
Fig. 3 is the part connection cross-sectional view of pedestal of the present invention, side frame and strut;
Fig. 4 is the overhead sectional view of side frame of the present invention, traveller;
Fig. 5 is the internal view of the first holder of the invention;
Fig. 6 is the schematic diagram of internal structure of the second holder of the invention.
Description of symbols:
1, pedestal, 2, side frame, 21, sliding chamber, 3, traveller, 4, oil cylinder, 5, link block, the 6, first strut, the 7, second strut, 8, First holder, 81, slide plate, 82, tooth set, 83, clamping plate, the 9, second holder, 91, wrom tooth disk, 92, sliding slot, 93, claw, 10, first Gear, 11, second gear, 12, first motor, 13, connecting shaft, 14, connecting screw, 15, third gear, the 16, the 4th gear, 17, the second motor, 18, support column, 19, third motor.
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.
Embodiment 1:
As shown in Fig. 1 and Fig. 3 to Fig. 5, a kind of welding fixture easy to operate, including pedestal 1 and it is arranged in 1 liang of pedestal The side frame 2 at end offers sliding chamber 21 on the side wall of both ends side frame 2, is slidably fitted with traveller 3, the cunning in the sliding chamber 21 The connecting screw 14 through traveller 3 is disposed in chamber 21 vertically, the inside of the pedestal 1 is equipped with for being drivingly connected screw rod 14 The third motor 19 of rotation, third motor 19 drive connecting screw 14 to rotate, and connecting screw 14 is threadedly coupled with traveller 3, passes through Connecting screw 14, which rotates, can drive traveller 3 intracavitary to slide up and down in the cunning of side frame 2;
The inner rotation of the traveller 3 is equipped with support column 18, and is connected by support column 18 with the first strut 6, described Support column 18 is connected with third gear 15 far from the side of the first strut 6, the inside of the traveller 3 be equipped with the second motor 17 and It drives the 4th gear 16 of rotation, and third gear 15 is meshed with the 4th gear 16, and the second motor 17 can pass through the 4th gear 16 and third gear 15 drive the first strut 6 with respect to the rotation of traveller 3, realizing the present apparatus can turning of work piece during the welding process When operator being facilitated to weld, it need to only start the rotation of any one second motor 17, workpiece rotational angle can be driven;Described first Strut 6 is equipped with inserting groove far from one end of traveller 3, and 7 one end of the second strut can be free to slide in the plug slot, the second strut 7 The end above link block 5 is installed, the top of first strut 6 is equipped with oil cylinder 4, the output rod connection of the oil cylinder 4 On link block 5, the elongation of 4 output rod of oil cylinder with shorten, it can be achieved that the second strut 7 slides on the first strut 6, adjust two The distance between workpiece guarantees that two workpiece are close in welding, second strut 7 installation inside one end of oil cylinder 4 There is first motor 12, the side of the first motor 12 is connected with second gear 11, and the bottom of the second gear 11, which is engaged, to be connected It is connected to first gear 10, the first gear 10 is connected to one end of connecting shaft 13, and the connecting shaft 13 is arranged in the second strut 7 Inside, the connecting shaft 13 far from first gear 10 one end be equipped with hexagon prism pass through the second strut 7 extend to outside, it is described Second strut 7 is connected with clamp device far from one end of oil cylinder 4, the clamp device include: the first holder 8, slide plate 81, Tooth set 82 and clamping plate 83, first holder 8 are movably connected on the second strut 7 by bolt, the inside of first holder 8 There are two slide plate 81, the slide plates 81 to be slidably mounted in the first holder 8 for central symmetry, is respectively equipped with tooth on the inside of two slide plates 81 Item, and be meshed and be driven by intermediate tooth set 82, the front end of two slide plates 81 passes through the first holder 8 and connects respectively It is connected to clamping plate 83, the setting direction of clamping plate 83 and the setting direction of 81 upper rack of slide plate are perpendicular, so that two slide plates 81 are opposite When sliding, corresponding two clamping plates 83 carry out clamping and discharge operation.It is equipped with hexagon ring inside one end of the tooth set 82, it is described Hexagon ring and hexagon prism activity are clamped, and the hexagon ring inside tooth set 82 is socketed in the hexagon prism of 13 one end of connecting shaft, connecting shaft 13 in rotation, and 82 rotations can be covered with movable tooth, and 82 rotation of tooth set can drive two slide plates 81 to slide towards opposite direction, slide plate 81 drive the clamping of clamping plate 83 or release workpiece, clamp device to be mounted on the second strut 7 by bolt, and first motor 12 passes through First gear 10 and second gear 11 drive connecting shaft 13 to rotate, and the rotation of connecting shaft 13 can be achieved the clamping of clamp device and release It puts.The bottom four corners of the pedestal 1 are mounted on the universal wheel for driving brake gear, are moved easily and fix.
Embodiment 2
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 6, the present embodiment is the difference from embodiment 1 is that for clamp device structure Substitution, the clamp device are the second holder 9, wrom tooth disk 91, sliding slot 92 and claw 93, and second holder 9 is living by bolt Dynamic to be connected on the second strut 7, the inner rotation of second holder 9 is equipped with wrom tooth disk 91, the end face of the wrom tooth disk 91 It is equipped with snail shape tooth, offers multiple sliding slots 92 circumferentially, the inside of the sliding slot 92 on the outer wall of second holder 9 It is slidably fitted with claw 93, the snail shape tooth engagement that the claw 93 is equipped with wrom tooth disk 91, the wrom tooth disk 91 is far from snail shape Hexagon ring is offered at the center of the side side wall of tooth, and hexagon ring and hexagon prism activity are clamped, the hexagonal inside wrom tooth disk 91 Hole is socketed in the hexagon prism of 13 one end of connecting shaft, and connecting shaft 13 can drive wrom tooth disk 91 to rotate in rotation, and 91 turns of wrom tooth disk It is dynamic that multiple claws 93 can be driven to slide in sliding slot 92 simultaneously, it can clamp or discharge axial workpiece.
In use, the present apparatus is fixed, when needing to weld together two plates, respectively by two the first holders 8 It is fixedly mounted on two the second struts 7, then two plates are separately fixed on two the first holders 8, by traveller 3 in side It is slided on frame 2, adjusts the height of two the first struts 6, slided on the first strut 6 by the second strut 7, two works are adjusted The distance between part welds for convenience, when turning of work piece, discharges the first holder 8 of any side, by the first folder still clamped Seat 8 drives workpiece rotation, is welded;
When needing to weld together two columned workpiece, the height adjustment of two the first struts 6 to identical height Two the second holders 9, are fixedly mounted on two the second struts 7 by degree respectively, carry out welding, weld for convenience, turn Start building part when, discharge the second holder 9 of any side, workpiece rotation driven by the second holder 9 for still clamping;
When needing for a plate and a cylinder to be welded and fixed, first holder 8 and second holder 9 are divided It is not fixed on two the second struts 7 and carries out welding.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to include these modifications and variations.

Claims (5)

1. a kind of welding fixture easy to operate, including pedestal (1) and it is arranged in the side frame (2) at pedestal (1) both ends, feature It is: is offered on the side wall of both ends side frame (2) sliding chamber (21), is slidably fitted with traveller (3) in the sliding chamber (21), it is described The connecting screw (14) through traveller (3) is disposed in sliding chamber (21) vertically, the inside of the pedestal (1) is equipped with for driving The third motor (19) of connecting screw (14) rotation;
The side of the traveller (3) is equipped with rotatable first strut (6), the one end of first strut (6) far from traveller (3) Equipped with inserting groove, one end of inserting groove and the second strut (7) is slidably connected, and is equipped with connection above the end of the second strut (7) Block (5) is equipped with oil cylinder (4) above first strut (6), and the output rod of the oil cylinder (4) is connected to link block (5) On, second strut (7) is equipped with first motor (12) inside the one end of oil cylinder (4), the first motor (12) Side is connected with second gear (11), and the bottom engagement of the second gear (11) is connected with first gear (10), and described first Gear (10) is connected to one end of connecting shaft (13), and the connecting shaft (13) is arranged in the inside of the second strut (7), the connection Axis (13) is equipped with hexagon prism far from the one end of first gear (10) and extends to outside, second strut across the second strut (7) (7) one end far from oil cylinder (4) is connected with clamp device.
2. one kind according to claim 1 welding fixture easy to operate, which is characterized in that the inside of the traveller (3) It is rotatably equipped with support column (18), and is connected by support column (18) with the first strut (6), the support column (18) is far from first The side of strut (6) is connected with third gear (15), and the inside of the traveller (3) is equipped with the second motor (17) and its driving turns The 4th dynamic gear (16), third gear (15) are meshed with the 4th gear (16).
3. one kind according to claim 1 welding fixture easy to operate, which is characterized in that the clamp device includes: First holder (8), slide plate (81), tooth set (82) and clamping plate (83), first holder (8) are movably connected in second by bolt On strut (7), symmetrically there are two slide plate (81), the slide plate (81) is slidably mounted on the inside center of first holder (8) In first holder (8), rack gear is respectively equipped on the inside of two slide plates (81), and be meshed and passed by intermediate tooth set (82) Dynamic, two slide plate (81) front ends pass through the first holder (8) and are connected separately with clamping plate (83), the setting direction of clamping plate (83) It is vertical with the setting direction of slide plate (81) upper rack, be equipped with hexagon ring inside one end of the tooth set (82), the hexagon ring with Hexagon prism activity clamping.
4. one kind according to claim 1 welding fixture easy to operate, which is characterized in that the clamp device includes: Second holder (9), wrom tooth disk (91), sliding slot (92) and claw (93), second holder (9) are movably connected in by bolt On two struts (7), the inner rotation of second holder (9) is equipped with wrom tooth disk (91), on the end face of the wrom tooth disk (91) Equipped with snail shape tooth, multiple sliding slots (92) circumferentially are offered on the outer wall of second holder (9), the sliding slot (92) Internal slide is equipped with claw (93), the snail shape tooth engagement that the claw (93) is equipped with wrom tooth disk (91), the wrom tooth disk (91) hexagon ring is offered at the center of the side side wall far from snail shape tooth, and hexagon ring and hexagon prism activity are clamped.
5. one kind according to claim 1 welding fixture easy to operate, which is characterized in that the bottom of the pedestal (1) Quadrangle is mounted on the universal wheel for driving brake gear.
CN201910070847.XA 2019-01-25 2019-01-25 A kind of welding fixture easy to operate Pending CN109623246A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910070847.XA CN109623246A (en) 2019-01-25 2019-01-25 A kind of welding fixture easy to operate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910070847.XA CN109623246A (en) 2019-01-25 2019-01-25 A kind of welding fixture easy to operate

Publications (1)

Publication Number Publication Date
CN109623246A true CN109623246A (en) 2019-04-16

Family

ID=66063566

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910070847.XA Pending CN109623246A (en) 2019-01-25 2019-01-25 A kind of welding fixture easy to operate

Country Status (1)

Country Link
CN (1) CN109623246A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110666385A (en) * 2019-11-01 2020-01-10 温金建 Automatic steel bottle girth welding device

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103949841A (en) * 2014-05-21 2014-07-30 中国十九冶集团有限公司 Multifunctional welding station platform
CN203765017U (en) * 2013-11-22 2014-08-13 天津天铁冶金集团有限公司 High-accuracy three-jaw self-centering chuck
CN104551061A (en) * 2015-01-07 2015-04-29 池州共康汽车零部件有限公司 Floating clamping three-jaw chuck for automobile
CN104690474A (en) * 2015-03-31 2015-06-10 陈巧兰 Method for welding rear bumper of vehicle body
KR20160037513A (en) * 2014-09-29 2016-04-06 (주)토탈소프트뱅크 Specimen holder for virtual welding
CN205254409U (en) * 2015-12-05 2016-05-25 杭州至广锯业有限公司 Saw blade clamping and centering device
CN205496875U (en) * 2016-04-11 2016-08-24 南京德丰机械有限公司 Welding fixture
CN206028779U (en) * 2016-09-13 2017-03-22 杨珺 Can dismantle anti -skidding three -jaw chuck
CN206170020U (en) * 2016-11-21 2017-05-17 湖北合强机械发展股份有限公司 Automatic it is quick -witted to go up and down, overturn
CN107470837A (en) * 2017-10-13 2017-12-15 贾恒宏 A kind of fixture for being easy to two-sided welding
CN207326302U (en) * 2017-10-29 2018-05-08 苏州肯美特设备集成有限公司 A kind of adjustable precise welding support
CN207447638U (en) * 2017-09-30 2018-06-05 佛山市宏石激光技术有限公司 A kind of pipe cutting machine tubing pilot centering structure and the pipe cutting machine including the adjective-centre structure

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203765017U (en) * 2013-11-22 2014-08-13 天津天铁冶金集团有限公司 High-accuracy three-jaw self-centering chuck
CN103949841A (en) * 2014-05-21 2014-07-30 中国十九冶集团有限公司 Multifunctional welding station platform
KR20160037513A (en) * 2014-09-29 2016-04-06 (주)토탈소프트뱅크 Specimen holder for virtual welding
CN104551061A (en) * 2015-01-07 2015-04-29 池州共康汽车零部件有限公司 Floating clamping three-jaw chuck for automobile
CN104690474A (en) * 2015-03-31 2015-06-10 陈巧兰 Method for welding rear bumper of vehicle body
CN205254409U (en) * 2015-12-05 2016-05-25 杭州至广锯业有限公司 Saw blade clamping and centering device
CN205496875U (en) * 2016-04-11 2016-08-24 南京德丰机械有限公司 Welding fixture
CN206028779U (en) * 2016-09-13 2017-03-22 杨珺 Can dismantle anti -skidding three -jaw chuck
CN206170020U (en) * 2016-11-21 2017-05-17 湖北合强机械发展股份有限公司 Automatic it is quick -witted to go up and down, overturn
CN207447638U (en) * 2017-09-30 2018-06-05 佛山市宏石激光技术有限公司 A kind of pipe cutting machine tubing pilot centering structure and the pipe cutting machine including the adjective-centre structure
CN107470837A (en) * 2017-10-13 2017-12-15 贾恒宏 A kind of fixture for being easy to two-sided welding
CN207326302U (en) * 2017-10-29 2018-05-08 苏州肯美特设备集成有限公司 A kind of adjustable precise welding support

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110666385A (en) * 2019-11-01 2020-01-10 温金建 Automatic steel bottle girth welding device

Similar Documents

Publication Publication Date Title
CN109158908A (en) The milling clamper of positioning is uniformly adjusted in a kind of clamping force
CN108857358B (en) Automobile part production is with supplementary device of screwing up
CN107350690B (en) A kind of automobile door protection panel welding tooling
CN109304567A (en) A kind of flexible frock for ring-shaped work pieces welding
CN109623246A (en) A kind of welding fixture easy to operate
CN210462294U (en) Adjustable computer base
CN109482928A (en) A kind of puncher for auto-parts
CN208614329U (en) A kind of numerically controlled lathe Quick-positioning clamp
CN109108679A (en) A kind of gear rotation clamping tooling
CN104043862B (en) Graphite heater process equipment
CN208374554U (en) A kind of hardware workpiece semi-automatic welding machine
CN209424702U (en) A kind of spark machine for die punching
CN208587482U (en) A kind of ring gear holder combination
CN208408650U (en) A kind of precision horizontal milling machine
CN207615688U (en) The fixture of hexagonal prisms class workpiece easy to process
CN214134110U (en) Adjusting and fixing device for machining energy-saving valve
CN106908629B (en) A kind of barrel support tooling
CN110509087A (en) A kind of collet fixture
CN207387385U (en) Fixture and the application fixture clear off machine
CN108748744A (en) A kind of crystal machine processing unit (plant)
CN109249456A (en) A kind of sugarcane cutting push-off device
CN212384952U (en) Fixing device for electric power transmission pipeline
CN108621083A (en) A kind of convenient type rotary connector attaching/detaching apparatus
CN215233387U (en) Pharmacy mixer rabbling mechanism
CN209109175U (en) A kind of reaction kettle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190416