CN110238686B - Overturning clamp for machining intake manifold - Google Patents
Overturning clamp for machining intake manifold Download PDFInfo
- Publication number
- CN110238686B CN110238686B CN201910544138.0A CN201910544138A CN110238686B CN 110238686 B CN110238686 B CN 110238686B CN 201910544138 A CN201910544138 A CN 201910544138A CN 110238686 B CN110238686 B CN 110238686B
- Authority
- CN
- China
- Prior art keywords
- fixed
- plate
- intake manifold
- shaft
- positioning
- 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.)
- Active
Links
- 238000003754 machining Methods 0.000 title claims abstract description 7
- 230000000875 corresponding Effects 0.000 claims description 6
- 230000002146 bilateral Effects 0.000 claims description 4
- 230000000149 penetrating Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
Abstract
The invention discloses a turning clamp for machining an intake manifold, which comprises a bottom plate, wherein a pair of left and right symmetrically arranged support lugs is fixed on the bottom plate, a turning shaft is hinged between the two support lugs, a clamp base for positioning the intake manifold is fixed on the turning shaft, a pair of left and right pressing mechanisms are arranged on the clamp base, and the intake manifold is clamped between the two pressing mechanisms and the clamp base; and the bottom plate is provided with a driving mechanism for driving the turnover shaft to turn over. The invention can also turn over on the premise of fixing the intake manifold, can finish the cylinder cover combining flange surface and the throttle valve body combining flange surface of the intake manifold by one-time processing, avoids the time wasted by two-time clamping and transferring, and effectively improves the processing efficiency of the intake manifold.
Description
Technical Field
The invention relates to the technical field of intake manifolds, in particular to an overturning clamp for processing an intake manifold.
Background
The intake manifold has the function that when air and fuel mixture is distributed to each cylinder of an intake engine from a carburetor or a throttle body to work, the air pressure fluctuation of the intake manifold is large, the requirement on the sealing performance of the intake manifold is provided, the requirements on the flatness and the smoothness of a cylinder cover combination flange surface connected with a cylinder cover and a throttle body combination flange surface combined with a throttle body are high, two procedures are generally needed when the existing surface milling processing is carried out on the cylinder cover combination flange surface and the throttle body combination flange surface, the clamping and the transferring are needed twice, and the processing efficiency of the intake manifold is low.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a turnover clamp for processing an intake manifold, which can turn over on the premise of fixing the intake manifold, can finish the processing of a cylinder cover combination flange surface and a throttle valve combination flange surface of the intake manifold at one time, avoids the time wasted by twice clamping and transferring, and effectively improves the processing efficiency of the intake manifold.
The scheme for solving the technical problems is as follows:
a pair of support lugs which are arranged in a bilateral symmetry mode is fixed on the bottom plate, a turnover shaft is hinged between the two support lugs, a clamp base used for positioning an air inlet manifold is fixed on the turnover shaft, a pair of pressing mechanisms arranged in the left and right mode are arranged on the clamp base, and the air inlet manifold is clamped between the two pressing mechanisms and the clamp base; and the bottom plate is provided with a driving mechanism for driving the turnover shaft to turn over.
The intake manifold comprises a cylinder cover combination flange surface, a plurality of manifolds and a throttle valve body combination flange surface, and a plurality of mounting holes are formed in the cylinder cover combination flange surface;
the clamp base comprises a vertically arranged base plate, two left and right positioning plates are fixed at the upper end of the base plate, a positioning rod is fixed on each positioning plate, a pair of left and right L-shaped support legs is fixed at the lower end of the base plate, shaft holes penetrating in the left and right directions are formed in the support legs, and the two shaft holes are respectively inserted and sleeved and fixed at two ends of the turnover shaft;
the back of the cylinder cover combined flange surface is pressed on the two positioning plates, and the two positioning rods are inserted in the two mounting holes.
The pressing mechanism comprises a guide shaft which is vertically arranged, a connecting sleeve is sleeved on the guide shaft, a helical gear is fixed at the lower end of the connecting sleeve, the helical gear is meshed with a helical rack, the helical rack is fixedly connected with a piston rod of the air cylinder through a connecting arm, a pressing plate is fixed on the outer wall of the upper end of the connecting sleeve, and the pressing plate presses against the outer wall of a corresponding manifold on the outer side; two ends of the guide shaft are respectively fixed on the positioning plate and the supporting plate, and the supporting plate and the air cylinder are fixed on the base plate.
The driving mechanism comprises a gear fixed on the outer wall of the turnover shaft, the gear is meshed with a rack arranged in the front-back direction, two sliders symmetrically arranged in the left-right direction are fixed on the rack, each slider is inserted and sleeved on a corresponding sliding rail, a connecting part is fixed on one slider and fixedly connected with a piston rod of the oil cylinder, and the oil cylinder and the sliding rails are fixed on the bottom plate.
The included angle between the cylinder cover combining flange surface and the throttle valve body combining flange surface is 90 degrees;
the lower end faces of the legs are pressed against the bottom plate, and a distance L1 between the center of the shaft hole and the lower end face of the legs is equal to a distance L2 between the center of the shaft hole and the rear side face of the base plate.
The clamp plate is formed with a clamp groove, and the clamp groove is inserted and sleeved on the manifold.
The helical rack is formed with a guide limiting bulge, the guide limiting bulge is inserted in the guide limiting seat, and the guide limiting seat is fixed on the substrate.
The invention has the following outstanding effects: compared with the prior art, the air inlet manifold can be turned over on the premise of fixing the air inlet manifold, the cylinder cover combination flange surface and the throttle valve body combination flange surface of the air inlet manifold can be processed at one time, time wasted by twice clamping and transferring is avoided, and the processing efficiency of the air inlet manifold is effectively improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the intake manifold of FIG. 1 with the intake manifold removed;
FIG. 3 is a top view of the present invention;
FIG. 4 is a left side view of the present invention;
FIG. 5 is a partially assembled view of the rack and slider assembly of the present invention;
fig. 6 is a front view of the clamp base of the present invention.
Detailed Description
In an embodiment, as shown in fig. 1 to 6, an overturning clamp for processing an intake manifold comprises a bottom plate 11, wherein a pair of left and right symmetrically arranged support lugs 12 is fixed on the bottom plate 11, an overturning shaft 13 is hinged between the two support lugs 12, a clamp base 2 for positioning an intake manifold 9 is fixed on the overturning shaft 13, a pair of left and right arranged pressing mechanisms 3 is arranged on the clamp base 2, and the intake manifold 9 is clamped between the two pressing mechanisms 3 and the clamp base 2; the bottom plate 11 is provided with a driving mechanism 4 for driving the overturning shaft 13 to overturn.
Furthermore, the intake manifold 9 includes a cylinder head combining flange surface 91, a plurality of manifolds 92 and a throttle body combining flange surface 93, and a plurality of mounting holes 94 are formed on the cylinder head combining flange surface 91;
the fixture base 2 comprises a base plate 21 which is vertically arranged, two left and right positioning plates 22 are fixed at the upper end of the base plate 21, a positioning rod 23 is fixed on each positioning plate 22, a pair of left and right L-shaped support legs 24 are fixed at the lower end of the base plate 21, a left and right through shaft hole 241 is formed in each support leg 24, and the two shaft holes 241 are respectively inserted and fixed at two ends of the turnover shaft 13;
the back surface of the cylinder head joint flange surface 91 is pressed against the two positioning plates 22, and the two positioning rods 23 are inserted into the two mounting holes 94.
Furthermore, the pressing mechanism 3 comprises a vertically arranged guide shaft 31, a connecting sleeve 32 is sleeved on the guide shaft 31, a helical gear 33 is fixed at the lower end of the connecting sleeve 32, the helical gear 33 is meshed with a helical rack 34, the helical rack 34 is fixedly connected with a piston rod of the air cylinder 36 through a connecting arm 35, a pressing plate 37 is fixed on the outer wall of the upper end of the connecting sleeve 32, and the pressing plate 37 is pressed against the outer wall of a corresponding manifold 92 on the outer side; the two ends of the guide shaft 31 are fixed on the positioning plate 22 and the supporting plate 38, respectively, and the supporting plate 38 and the air cylinder 36 are fixed on the base plate 21.
Furthermore, the driving mechanism 4 includes a gear 41 fixed on the outer wall of the turning shaft 13, the gear 41 is engaged with a rack 42 arranged in the front-rear direction, two sliders 43 arranged in bilateral symmetry are fixed on the rack 42, each slider 43 is inserted into a corresponding slide rail 44, a connecting portion 45 is fixed on one slider 43, the connecting portion 45 is fixedly connected with a piston rod of an oil cylinder 46, and the oil cylinder 46 and the slide rail 44 are fixed on the bottom plate 11.
Furthermore, the included angle between the cylinder cover combining flange surface 91 and the throttle body combining flange surface 93 is 90 degrees;
the lower end surfaces of the legs 24 are pressed against the base plate 11, and a distance L1 between the center of the shaft hole 241 and the lower end surface of the leg 24 is equal to a distance L2 between the center of the shaft hole 241 and the rear side surface of the base plate 21.
Furthermore, the pressing plate 37 is formed with a locking groove 371, and the locking groove 371 is inserted into the manifold 92.
Furthermore, the helical rack 34 is formed with a guiding limiting protrusion 341, the guiding limiting protrusion 341 is inserted into the guiding limiting seat 39, and the guiding limiting seat 39 is fixed on the substrate 21.
The working principle is as follows: first, the base plate 11 is fixed to a processing apparatus (e.g., a processing center); secondly, pressing a cylinder cover combining flange surface 91 of the intake manifold 9 against the positioning plate 22, wherein two mounting holes 94 are used as positioning holes to be inserted and sleeved on the positioning rods 23; thirdly, the piston rod of the cylinder 36 extends to drive the helical rack 34 to move forwards, the helical rack 34 drives the helical gear 33 to rotate, the helical gear 33 drives the connecting sleeve 32 to rotate, the connecting sleeve 32 drives the pressing plate 37 to rotate and press against the outer wall of the intake manifold 92, when the pressing plate 37 is blocked by the intake manifold 92 and cannot rotate continuously, the helical rack 34 moves forwards continuously to drive the helical gear 33 to move forwards along the guide shaft 31, so that the pressing plate 37 provides a force for pressing backwards for the intake manifold and a force for pressing downwards, and the intake manifold is effectively fixed on the clamp base; fourthly, the cutter of processing equipment processes cylinder cap combination flange face 91, after cylinder cap combination flange face 91 processing is accomplished, the piston rod of hydro-cylinder 46 extends and drives connecting portion 45 antedisplacement, connecting portion 45 drives rack 42 through slider 43 and moves along slide rail 44 antedisplacement, rack 42 drives gear 41 and rotates, gear 41 drives anchor clamps base and intake manifold upset through the trip shaft, when pressing on bottom plate 11 after the upset of the trailing flank of base plate 21, just 90 degrees of overturning this moment, and throttle body combination flange face 93 just sets up this moment, then the cutter of processing equipment processes throttle body combination flange face 93, thereby carry out the processing of a clamping completion to cylinder cap combination flange face 91 and two faces of throttle body combination flange face 93 to intake manifold.
Finally, the above embodiments are only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.
Claims (5)
1. The utility model provides an intake manifold processing is with upset anchor clamps, includes bottom plate (11), its characterized in that: a pair of support lugs (12) which are arranged in a bilateral symmetry mode is fixed on the bottom plate (11), a turnover shaft (13) is hinged between the two support lugs (12), a clamp base (2) used for positioning an air inlet manifold (9) is fixed on the turnover shaft (13), a pair of pressing mechanisms (3) which are arranged in a bilateral mode is arranged on the clamp base (2), and the air inlet manifold (9) is clamped between the two pressing mechanisms (3) and the clamp base (2); the bottom plate (11) is provided with a driving mechanism (4) for driving the overturning shaft (13) to overturn;
the intake manifold (9) comprises a cylinder cover combining flange surface (91), a plurality of manifolds (92) and a throttle valve body combining flange surface (93), and a plurality of mounting holes (94) are formed in the cylinder cover combining flange surface (91);
the clamp base (2) comprises a vertically arranged base plate (21), two left and right positioning plates (22) are fixed at the upper end of the base plate (21), a positioning rod (23) is fixed on each positioning plate (22), a pair of left and right L-shaped support legs (24) are fixed at the lower end of the base plate (21), shaft holes (241) penetrating in the left and right directions are formed in the support legs (24), and the two shaft holes (241) are respectively inserted and sleeved and fixed at two ends of the turnover shaft (13);
the back surface of the cylinder cover combining flange surface (91) is pressed on the two positioning plates (22), and the two positioning rods (23) are inserted in the two mounting holes (94);
the pressing mechanism (3) comprises a guide shaft (31) which is vertically arranged, a connecting sleeve (32) is sleeved on the guide shaft (31), a helical gear (33) is fixed at the lower end of the connecting sleeve (32), the helical gear (33) is meshed with a helical rack (34), the helical rack (34) is fixedly connected with a piston rod of an air cylinder (36) through a connecting arm (35), a pressing plate (37) is fixed on the outer wall of the upper end of the connecting sleeve (32), and the pressing plate (37) is pressed on the outer wall of a manifold (92) on the corresponding outer side; two ends of the guide shaft (31) are respectively fixed on the positioning plate (22) and the supporting plate (38), and the supporting plate (38) and the air cylinder (36) are fixed on the base plate (21).
2. The overturning jig for machining an intake manifold as claimed in claim 1, wherein: the driving mechanism (4) comprises a gear (41) fixed on the outer wall of the turnover shaft (13), the gear (41) is meshed with a rack (42) arranged in the front-back direction, two sliders (43) symmetrically arranged in the left-right direction are fixed on the rack (42), each slider (43) is inserted and sleeved on a corresponding sliding rail (44), a connecting part (45) is fixed on one slider (43), the connecting part (45) is fixedly connected with a piston rod of an oil cylinder (46), and the oil cylinder (46) and the sliding rails (44) are fixed on the bottom plate (11).
3. The overturning jig for machining an intake manifold as claimed in claim 1, wherein: the included angle between the cylinder cover combination flange surface (91) and the throttle body combination flange surface (93) is 90 degrees;
the lower end faces of the legs (24) are pressed against the bottom plate (11), and a distance L1 between the center of the shaft hole (241) and the lower end face of the leg (24) is equal to a distance L2 between the center of the shaft hole (241) and the rear side face of the base plate (21).
4. The overturning jig for machining an intake manifold as claimed in claim 1, wherein: a clamping groove (371) is formed in the pressing plate (37), and the clamping groove (371) is inserted and sleeved on the manifold (92).
5. The overturning jig for machining an intake manifold as claimed in claim 1, wherein: the helical rack (34) is formed with a guide limiting protrusion (341), the guide limiting protrusion (341) is inserted in the guide limiting seat (39), and the guide limiting seat (39) is fixed on the base plate (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910544138.0A CN110238686B (en) | 2019-06-21 | 2019-06-21 | Overturning clamp for machining intake manifold |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910544138.0A CN110238686B (en) | 2019-06-21 | 2019-06-21 | Overturning clamp for machining intake manifold |
| PCT/CN2019/115534 WO2020253033A1 (en) | 2019-06-21 | 2019-11-05 | Turnover fixture for machining of intake manifold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110238686A CN110238686A (en) | 2019-09-17 |
| CN110238686B true CN110238686B (en) | 2020-06-02 |
Family
ID=67888829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910544138.0A Active CN110238686B (en) | 2019-06-21 | 2019-06-21 | Overturning clamp for machining intake manifold |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110238686B (en) |
| WO (1) | WO2020253033A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238686B (en) * | 2019-06-21 | 2020-06-02 | 浙江博弈科技股份有限公司 | Overturning clamp for machining intake manifold |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4300627A1 (en) * | 1993-01-13 | 1994-07-14 | Innovative Fertigungstechnolog | Clamping complex workpiece, e.g. exhaust manifold for machining |
| CN102554657A (en) * | 2011-12-31 | 2012-07-11 | 无锡曙光模具有限公司 | Fixture device for drilling/tapping of intake manifold |
| CN103252666A (en) * | 2013-05-19 | 2013-08-21 | 河南省西峡汽车水泵股份有限公司 | Novel connecting hole positioning device and drilling hole positioning method for boosting flange of exhaust manifold |
| CN103639924A (en) * | 2013-11-16 | 2014-03-19 | 无锡麦铁精密机械制造有限公司 | Bending manifold branch detecting and locating device |
| CN204422142U (en) * | 2014-12-24 | 2015-06-24 | 江西鑫田车业有限公司 | A kind of robotization air-tightness detection tool of inlet manifold |
| CN205363402U (en) * | 2016-03-08 | 2016-07-06 | 王卫兵 | Pump cover processing upset anchor clamps |
| CN106584169A (en) * | 2016-12-23 | 2017-04-26 | 河南省西峡汽车水泵股份有限公司 | Machining and locating method and locating clamps for combined type exhaust manifold air inflow flange end face |
| CN206912762U (en) * | 2017-07-17 | 2018-01-23 | 福州钜立机动车配件有限公司 | A kind of frock for rotating processing gas inlet manifold |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6993839B2 (en) * | 2002-07-15 | 2006-02-07 | Omni Integrated Technologies, Inc. | Method for machining a stainless steel exhaust manifold for a multi-cylinder combustion engine |
| CN103644793A (en) * | 2013-11-13 | 2014-03-19 | 无锡麦铁精密机械制造有限公司 | Automobile inlet manifold detection positioning device |
| CN204381857U (en) * | 2014-09-10 | 2015-06-10 | 沈阳航天誉兴机械制造有限公司 | A kind of fixture for processing gas inlet manifold |
| CN208713419U (en) * | 2018-06-25 | 2019-04-09 | 四川省宜航内燃机零部件制造有限公司 | It is a kind of for manufacturing the fixture of inlet manifold of IC engine |
| CN110238686B (en) * | 2019-06-21 | 2020-06-02 | 浙江博弈科技股份有限公司 | Overturning clamp for machining intake manifold |
-
2019
- 2019-06-21 CN CN201910544138.0A patent/CN110238686B/en active Active
- 2019-11-05 WO PCT/CN2019/115534 patent/WO2020253033A1/en unknown
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4300627A1 (en) * | 1993-01-13 | 1994-07-14 | Innovative Fertigungstechnolog | Clamping complex workpiece, e.g. exhaust manifold for machining |
| CN102554657A (en) * | 2011-12-31 | 2012-07-11 | 无锡曙光模具有限公司 | Fixture device for drilling/tapping of intake manifold |
| CN103252666A (en) * | 2013-05-19 | 2013-08-21 | 河南省西峡汽车水泵股份有限公司 | Novel connecting hole positioning device and drilling hole positioning method for boosting flange of exhaust manifold |
| CN103639924A (en) * | 2013-11-16 | 2014-03-19 | 无锡麦铁精密机械制造有限公司 | Bending manifold branch detecting and locating device |
| CN204422142U (en) * | 2014-12-24 | 2015-06-24 | 江西鑫田车业有限公司 | A kind of robotization air-tightness detection tool of inlet manifold |
| CN205363402U (en) * | 2016-03-08 | 2016-07-06 | 王卫兵 | Pump cover processing upset anchor clamps |
| CN106584169A (en) * | 2016-12-23 | 2017-04-26 | 河南省西峡汽车水泵股份有限公司 | Machining and locating method and locating clamps for combined type exhaust manifold air inflow flange end face |
| CN206912762U (en) * | 2017-07-17 | 2018-01-23 | 福州钜立机动车配件有限公司 | A kind of frock for rotating processing gas inlet manifold |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110238686A (en) | 2019-09-17 |
| WO2020253033A1 (en) | 2020-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103862218B (en) | A kind of clamping device | |
| CN110238686B (en) | Overturning clamp for machining intake manifold | |
| CN204248507U (en) | The fixture of processing automobile gearbox balancing weight | |
| CN106181484A (en) | A kind of clamp fixture platform of rotatable displacement | |
| CN205363105U (en) | Car seat part welding frock | |
| CN208992034U (en) | A kind of automotive muffler bracket double-station revolving working table of annular welding | |
| CN206614178U (en) | A kind of frock clamp suitable for a variety of marine diesel housiung separator automatic weldings | |
| CN202087987U (en) | Air injection device for air pressure chuck | |
| CN202224861U (en) | Device for welding safety tongs of elevator | |
| CN110270706B (en) | Special face milling equipment for intake manifold | |
| CN211759908U (en) | Brake disc support is to clamping machine structure for sleeping in | |
| CN207043815U (en) | Exhaust pipe of engine quick-clamping processing jig | |
| CN105081644A (en) | Welding jig for robot to weld automobile door lower hinge reinforcing plate assemblies | |
| CN206122992U (en) | Car welds clamping utensil and strikes out mechanism | |
| CN202037428U (en) | Clamp pressing and positioning device | |
| CN215502124U (en) | Tool for preassembling iron frame of bottom frame of median sofa | |
| CN201083568Y (en) | Adjustable front holder device of multicylinder diesel dynamometer jack horse | |
| CN211939619U (en) | Self-adaptive workpiece holding and clamping mechanism | |
| CN213889160U (en) | Storage battery car accessory processingequipment | |
| CN210451549U (en) | Plate friction stir welding fixing tool | |
| CN202825074U (en) | Small part positioning mechanism used for welding fixture air cylinder | |
| CN214488972U (en) | Auto parts machining frock clamp | |
| CN210451942U (en) | Flat-plate part machining device | |
| CN212169526U (en) | Press mounting device for double-inlet and double-outlet valve lock clamp | |
| CN210757366U (en) | Clamping device for machining automobile intake manifold |
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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200427 Address after: 318000, No. 1469, Dong Feng Dong Road, Jiaojiang District, Zhejiang, Taizhou Applicant after: ZHEJIANG BOYI TECHNOLOGY Co.,Ltd. Address before: 318000 No. 12 Ximen Road, Jiaojiang District, Taizhou City, Zhejiang Province Applicant before: Zhong Jianbin |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |