CN113021917A - Double-force press-fitting flanging mechanism - Google Patents
Double-force press-fitting flanging mechanism Download PDFInfo
- Publication number
- CN113021917A CN113021917A CN202110260934.9A CN202110260934A CN113021917A CN 113021917 A CN113021917 A CN 113021917A CN 202110260934 A CN202110260934 A CN 202110260934A CN 113021917 A CN113021917 A CN 113021917A
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- mounting hole
- pressure head
- shell
- guide
- double
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a double-pressure press-fitting flanging mechanism, which comprises a bracket, wherein a pressure head assembly is movably arranged on the bracket, and a driving part for driving the pressure head assembly to do linear motion is arranged on the bracket; the pressure head subassembly includes the casing, the one end of casing is equipped with the turn-ups pressure head, the other end of casing is equipped with the end cover, the inside movable mounting of casing has the pressure head of opening, the one end of pressure head of opening runs through the turn-ups pressure head, the inside movable mounting of pressure head of opening has the direction axis, the centraxonial one end of direction is equipped with the direction pressure head, the inside of casing is equipped with disc spring, disc spring's both ends contact with the other end of end cover and pressure head of opening respectively, disc spring's inboard movable mounting has spacing axis, spacing centraxonial one end contacts with the end cover, spacing centraxonial other end activity is inlayed and is equipped with cylindrical spring, this mechanism can provide three kinds of different pressure equipment power respectively, satisfy three kinds of.
Description
Technical Field
The invention relates to the technical field of assembling equipment of an automobile safety airbag, in particular to a force-multiplying press-fitting flanging mechanism for the assembling equipment of the automobile safety airbag.
Background
The safety air bag is an automobile passive safety device, is an important safety part related to personal life safety, and has higher and higher requirements on the assembly quality and technical parameters of the safety air bag along with the rapid development of the automobile industry; because the equipment structure of assembling the air bag is very complicated, the technology content is high, so the equipment used for assembling the air bag at home at present is mostly introduced from abroad, and the equipment cost is higher. Therefore, a double-force press-fitting flanging mechanism is provided.
Disclosure of Invention
The invention aims to provide a double-force press-fitting flanging mechanism to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a double-pressure press-fitting flanging mechanism comprises a support, wherein a pressure head assembly is movably mounted on the support, and a driving part for driving the pressure head assembly to do linear motion is arranged on the support;
the pressure head subassembly includes the casing, the one end of casing is equipped with the turn-ups pressure head, the other end of casing is equipped with the end cover, the inside movable mounting of casing has the pressure head of opening one's mouth, the one end of opening the mouth pressure head runs through the turn-ups pressure head, the inside movable mounting who opens the mouth pressure head has the direction axis, the centraxonial one end of direction is equipped with the direction pressure head, the inside of casing is equipped with disc spring, disc spring's both ends contact with the other end of end cover and the pressure head of opening respectively, disc spring's inboard movable mounting has spacing axis, spacing centraxonial one end contacts with the end cover, spacing centraxonial other end activity is inlayed and is equipped with cylindrical spring, cylindrical spring's one end and direction axis contact, cylindrical.
Furthermore, the two ends of the shell are respectively provided with a first mounting hole and a second mounting hole, the first mounting hole is communicated with the second mounting hole through a third mounting hole, the diameter of the second mounting hole of the first mounting hole is larger than that of the third mounting hole, the opening pressure head penetrates through the third mounting hole, a first limiting disc is integrally formed outside the other end of the opening pressure head, the first limiting disc is located inside the second mounting hole, the diameter of the first limiting disc is larger than that of the first mounting hole, and one end of the flanging pressure head is fixedly assembled inside the first mounting hole.
Furthermore, a fourth mounting hole and a fifth mounting hole are respectively formed in two ends of the opening pressure head, the fourth mounting hole is communicated with the fifth mounting hole through the sixth mounting hole, the diameters of the fourth mounting hole and the fifth mounting hole are both larger than the diameter of the sixth mounting hole, the guide middle shaft penetrates through the sixth mounting hole, the other end of the guide middle shaft extends outwards to form a second limiting disc in an integrated mode, the second limiting disc is located inside the fifth mounting hole, the diameter of the second limiting disc is larger than the diameter of the fifth mounting hole, the diameter of the fourth mounting hole is larger than the diameter of the guide pressure head, and the diameter of the fifth mounting hole is larger than the diameter of the limiting middle shaft.
Furthermore, a limit groove is formed in the side wall of the opening pressure head in the axial direction of the opening pressure head, a limit screw penetrates through the side wall of the shell and is connected with the side wall of the shell in a threaded mode, and one end of the limit screw extends into the limit groove.
Furthermore, the guide pressure head is fixedly connected with the guide middle shaft through a locking nail.
Further, the flanging press head is fixedly assembled on the shell through a jackscrew.
Further, a push rod used for being connected with the driving part is fixedly assembled on the end cover in a penetrating mode.
Furthermore, the ejector rod is a reducing shaft, one end with a large shaft diameter is installed inside the shell, the outer side of the ejector rod is sealed inside the shell in a blocking mode through an end cover, and one side with a small shaft neck is provided with threads.
Further, the driving part is an air cylinder, the air cylinder is fixedly assembled on the support, and a piston rod of the air cylinder is fixedly assembled with the ejector rod through a connecting nut.
Further, be equipped with the guide rail on the support, slidable mounting has the slider on the guide rail, the smooth fixed mounting of casing is on the slider.
Compared with the prior art, the invention has the beneficial effects that: the cylinder provides power for the press mounting of the pressure head to walk up and down, and the motion direction of a piston rod of the cylinder, the installation direction of the guide rail and the motion direction of the pressure head are parallel to each other; the piston rod of the cylinder moves to drive the press head and the slide block to move up and down along the direction of the guide rail; the composite structure of the combination of the guide pressure head, the opening pressure head and the flanging pressure head is used for the internal acting force of the air bag assembly; the press-fitting force of the innermost guide pressure head is the reaction force of compression of the cylindrical spring, and the force is smaller, so that the thin-wall plastic pipe shell cannot be fractured during assembly; the pressing force of the opening pressure head in the middle is the reaction force of the disc spring, and the force is slightly larger, so that the metal U-shaped clamp is opened by a certain angle; the pressing force of the flanging press head on the outermost layer is the acting force of the power head of the air cylinder, and the acting force is larger, so that the metal U-shaped clamp deforms and turns over 180 degrees; the combined structure of the three acting forces and the combination of the three acting forces form the double-force press mounting structure, the assembling and combining procedures of air bag positioning, press mounting and flanging are completed once by the double-force composite structure and the composite structure of the guide pressure head, the opening pressure head and the flanging pressure head of the pressure head assembly under different acting forces, the mechanism can respectively provide three different press mounting forces, the assembling requirements of three different processes are met, the practical investment of equipment is effectively saved, and the equipment cost is greatly saved.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the plane structure of the plane A-A shown in FIG. 1.
In the figure: the device comprises a support 1, a pressure head assembly 2, a cylinder 3, a connecting nut 4, a guide rail 5, a slide block 6, a jackscrew 7, a guide pressure head 8, a mouth opening pressure head 9, a flanging pressure head 10, a guide center shaft 11, a cylindrical spring 12, a spring center shaft 13, a mandril 14, an end cover 15, a disc spring 16, a shell 17, a limit center shaft 18, a limit screw 19 and a locking screw 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a double-pressure press-fitting flanging mechanism comprises a support 1, wherein a pressure head assembly 2 is movably mounted on the support 1, and a driving part 3 for driving the pressure head assembly 2 to do linear motion is arranged on the support 1; the pressure head component 2 comprises a shell 17, one end of the shell 17 is provided with a flanging pressure head 10, the other end of the shell 17 is provided with an end cover 15, an opening pressure head 9 is movably arranged in the shell 17, one end of the opening pressure head 9 penetrates through the flanging pressure head 10, a guide middle shaft 11 is movably arranged in the opening pressure head 9, one end of the guide middle shaft 11 is provided with a guide pressure head 8, a disc spring 16 is arranged in the shell 17, two ends of the disc spring 16 are respectively contacted with the end cover 15 and the other end of the opening pressure head 9, a limiting middle shaft 18 is movably arranged on the inner side of the disc spring 16, one end of the limiting middle shaft 18 is contacted with the end cover 15, the other end of the limiting middle shaft 18 is movably embedded with a cylindrical spring 12, one end of the cylindrical spring 12 is contacted with the guide middle shaft 18, a spring middle shaft 13 is arranged in the cylindrical, the first mounting hole is communicated with the second mounting hole through a third mounting hole, the diameter of the second mounting hole of the first mounting hole is larger than that of the third mounting hole, the flaring press head 9 penetrates through the third mounting hole, the other end of the flaring press head 9 extends outwards to form a first limiting disc in an integrated mode, the first limiting disc is positioned inside the second mounting hole, the diameter of the first limiting disc is larger than that of the first mounting hole, one end of the flanging press head 10 is fixedly assembled inside the first mounting hole, the two ends of the flaring press head 9 are respectively provided with a fourth mounting hole and a fifth mounting hole, the fourth mounting hole is communicated with the fifth mounting hole through a sixth mounting hole, the diameters of the fourth mounting hole and the fifth mounting hole are larger than that of the sixth mounting hole, the guide center shaft 11 penetrates through the sixth mounting hole, the other end of the guide center shaft 11 extends outwards to form a second limiting disc in an integrated mode, and the second limiting disc is positioned inside the fifth mounting hole, the diameter of the second limiting disc is larger than that of the fifth mounting hole, the diameter of the fourth mounting hole is larger than that of the guide pressure head 8, the diameter of the fifth mounting hole is larger than that of the guide middle shaft 18, a limiting groove is formed in the side wall of the opening pressure head 9 along the axial direction of the opening pressure head, a limiting screw 19 is connected to the side wall of the shell 17 in a penetrating and threaded manner, one end of the limiting screw 19 extends into the limiting groove, the guide pressure head 8 is fixedly connected with the guide middle shaft 11 through a locking nail 20, the flanging pressure head 10 is fixedly assembled on the shell 17 through a jackscrew 7, an ejector rod 14 used for being connected with the driving part 3 is fixedly assembled on the end cover 15 in a penetrating and threaded manner, the ejector rod 14 is a reducing shaft, one end with a large shaft diameter is installed inside the shell 17, the outer side of the shaft is sealed in the shell 17 in a blocking manner through the end cover 15, a piston rod of the air cylinder is fixedly assembled with the ejector rod 14 through a connecting nut 4, a guide rail 5 is arranged on the support 1, a sliding block 6 is arranged on the guide rail 5 in a sliding mode, and the shell 17 is fixedly assembled on the sliding block 6 in a sliding mode. The support 1 is an iron plate welding part, the air cylinder 3 is fixed with an upper end plate of the support through a screw rod, the upper end plate of the support 1 is provided with a hole, and a piston rod of the air cylinder 3 can penetrate through the hole; the ejector rod 14 of the pressure head component 2 is a reducing shaft, one end with a large shaft diameter is arranged in the shell, the outer side of the ejector rod is sealed in the shell 17 in a blocking way through an end cover 15, and one side with a small shaft neck is provided with threads and is connected with a piston rod of the cylinder 3 through a connecting nut 4; one side of the shell 17 is connected with the sliding block 6 through a screw rod, and the sliding block 6 can move up and down on a guide rail 5 arranged on the bracket 1; the moving direction of the piston rod of the cylinder 3, the installation direction of the guide rail 5 and the moving direction of the pressure head assembly 2 are parallel to each other, and the piston rod of the cylinder 3 moves up and down to drive the ejector rod 14, the pressure head assembly 2 and the sliding block 6 to move up and down along the guide rail 5; the opening pressure head 9 of the pressure head component 2 is positioned in a central hole in the shell 17 and passes through the central hole of the flanging pressure head to be exposed; the flanging press head 10 is arranged at the front end of the shell 17 and is fixed by a jackscrew 7 at the outer side of the shell 17; the guide pressure head 8 is arranged at the bottommost part of the shell 17, the outer side of the guide pressure head is surrounded by the opening pressure head 9, and the bottom of the guide pressure head is connected with a guide middle shaft 11 through a locking screw; the guide middle shaft 11 is arranged in a central hole of the opening pressure head 9 and forms sliding fit with the opening pressure head 9; a key groove is formed in the side face of the opening pressure head 9, a limiting screw 19 on the shell penetrates through the shell 17 to be pushed into the key groove, and the vertical sliding position of the opening pressure head 9 is limited; the cylindrical spring 12 has two parts, the middle parts of the two parts are connected through a spring middle shaft 13, the cylindrical spring 12 at the lower end extrudes the guide middle shaft 11, and the cylindrical spring 12 at the upper end is positioned in the inner cavity of the limit middle shaft 18; the limiting middle shaft 18 is positioned at the center of the disc spring 16, and an inner cavity at the lower end of the limiting middle shaft 18 is extruded by the cylindrical spring 12; the upper section of the opening pressure head 9 is extruded by a disc spring 16; the belleville spring 16 and the upper end of the limiting middle shaft 18 are pressed by the shell cover and sealed in the inner cavity of the shell
The working principle is as follows: in the press fitting process, a piston rod of the cylinder 3 gradually extends out to drive the pressure head assembly 2 to be inserted into the U-shaped clamping opening firstly and enable the clamp cover to fall down, and after the pressure head assembly is contacted with the tube air bag, the cylinder 3 continuously acts to enable the cylindrical spring 12 to be stressed and compressed, so that the guide pressure head 8 retracts; at this moment, the opening pressure head 9 continuously falls, the clamp is opened by a certain angle, after the opening pressure head 9 is contacted with the clamp cover, the air cylinder 3 still continuously acts, the piston rod continuously extends out, the disk spring 16 is stressed and compressed, at the moment, the air cylinder 3 overcomes the pressure of the disk spring 16 to enable the flanging pressure head 10 to fall, the clamp is turned over for 180 degrees, the press-fitting flanging process is completed, the piston rod of the air cylinder 3 retracts, the guide pressure head 8, the opening pressure head 9 and the flanging pressure head 10 extend out, and the pressure head assembly 2 moves upwards along the guide rail 5 along with the sliding block 6 and returns to the original position.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A double-force press-fitting flanging mechanism is characterized by comprising a support (1), wherein a press head assembly (2) is movably mounted on the support (1), and a driving part (3) for driving the press head assembly (2) to do linear motion is arranged on the support (1);
the pressing head component (2) comprises a shell (17), one end of the shell (17) is provided with a flanging pressing head (10), the other end of the shell (17) is provided with an end cover (15), the inside of the shell (17) is movably provided with an opening pressing head (9), one end of the opening pressing head (9) penetrates through the flanging pressing head (10), the inside of the opening pressing head (9) is movably provided with a guide middle shaft (11), one end of the guide middle shaft (11) is provided with a guide pressing head (8), the inside of the shell (17) is provided with a disc spring (16), two ends of the disc spring (16) are respectively contacted with the end cover (15) and the other end of the opening pressing head (9), the inner side of the disc spring (16) is movably provided with a limiting middle shaft (18), one end of the limiting middle shaft (18) is contacted with the end cover (15), the other end of the limiting middle shaft (18) is movably embedded with, one end of the cylindrical spring (12) is in contact with the guide middle shaft (18), and a spring middle shaft (13) is arranged inside the cylindrical spring (12).
2. The double-force press-fitting flanging mechanism is characterized in that a first mounting hole and a second mounting hole are formed in two ends of the shell (17) respectively, the first mounting hole is communicated with the second mounting hole through a third mounting hole, the diameter of the second mounting hole of the first mounting hole is larger than that of the third mounting hole, the opening pressure head (9) penetrates through the third mounting hole, a first limiting disc is integrally formed by extending the other end of the opening pressure head (9) outwards, the first limiting disc is located inside the second mounting hole, the diameter of the first limiting disc is larger than that of the first mounting hole, and one end of the flanging pressure head (10) is fixedly assembled inside the first mounting hole.
3. The double-force press-fitting flanging mechanism is characterized in that a fourth mounting hole and a fifth mounting hole are respectively formed in two ends of the opening pressure head (9), the fourth mounting hole is communicated with the fifth mounting hole through the sixth mounting hole, the diameters of the fourth mounting hole and the fifth mounting hole are both larger than the diameter of the sixth mounting hole, the guide central shaft (11) penetrates through the sixth mounting hole, a second limiting disc is integrally formed by extending the other end of the guide central shaft (11) outwards, the second limiting disc is located inside the fifth mounting hole, the diameter of the second limiting disc is larger than the diameter of the fifth mounting hole, the diameter of the fourth mounting hole is larger than the diameter of the guide pressure head (8), and the diameter of the fifth mounting hole is larger than the diameter of the limiting central shaft (18).
4. The double-force press-fitting flanging mechanism is characterized in that a limiting groove is formed in the side wall of the opening pressure head (9) in the axial direction of the opening pressure head, a limiting screw (19) penetrates through the side wall of the shell (17) in a threaded connection mode, and one end of the limiting screw (19) extends into the limiting groove.
5. The double-force press-fitting flanging mechanism is characterized in that the guide pressure head (8) is fixedly connected with the guide center shaft (11) through a locking nail (20).
6. The double-force press-fitting flanging mechanism is characterized in that the flanging press head (10) is fixedly assembled on the shell (17) through a jackscrew (7).
7. A double-force press-fitting flanging mechanism according to claim 1, characterized in that the end cover (15) is fixedly provided with a mandril (14) in a penetrating way for connecting with the driving part (3).
8. A double-force press-fitting flanging mechanism according to claim 7, characterized in that the ejector rod (14) is a reducing shaft, one end with a large shaft diameter is arranged in the shell (17), the outer side of the ejector rod is sealed in the shell (17) in a blocking manner through an end cover (15), and one side with a small shaft neck is provided with a thread.
9. The double-force press-fitting flanging mechanism is characterized in that the driving part (3) is an air cylinder, the air cylinder is fixedly assembled on the support (1), and a piston rod of the air cylinder is fixedly assembled with the ejector rod (14) through a connecting nut (4).
10. The double-force press-fitting flanging mechanism is characterized in that a guide rail (5) is arranged on the support (1), a sliding block (6) is slidably mounted on the guide rail (5), and the shell (17) is slidably and fixedly assembled on the sliding block (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110260934.9A CN113021917A (en) | 2021-03-10 | 2021-03-10 | Double-force press-fitting flanging mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110260934.9A CN113021917A (en) | 2021-03-10 | 2021-03-10 | Double-force press-fitting flanging mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113021917A true CN113021917A (en) | 2021-06-25 |
Family
ID=76469176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110260934.9A Pending CN113021917A (en) | 2021-03-10 | 2021-03-10 | Double-force press-fitting flanging mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113021917A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000246555A (en) * | 1999-02-26 | 2000-09-12 | Toyota Motor Corp | Press-in device |
| CN201437285U (en) * | 2009-07-08 | 2010-04-14 | 富奥汽车零部件股份有限公司 | Multiple combined head |
| CN203666007U (en) * | 2013-12-25 | 2014-06-25 | 中国第一汽车股份有限公司 | Composite pressing head of safety air bag assembly table |
| CN105429397A (en) * | 2015-12-25 | 2016-03-23 | 江苏本格自动化科技有限公司 | Stator coil expansion mechanism |
| CN105855842A (en) * | 2016-06-08 | 2016-08-17 | 上海东方久乐汽车安全气囊有限公司 | Driver airbag support mounting spring apparatus |
| CN108340138A (en) * | 2018-04-11 | 2018-07-31 | 苏州工业职业技术学院 | A kind of pressure head assembly component of pressing machine |
| CN109909083A (en) * | 2018-01-18 | 2019-06-21 | 漳州英特捷自动化科技有限公司 | It is a kind of can automatic block clearing rotational flow atomized spray injector |
| CN110576307A (en) * | 2019-10-10 | 2019-12-17 | 湖南东创智能装备有限公司 | Press mounting tool for split elastic pin |
| CN210914930U (en) * | 2019-07-26 | 2020-07-03 | 机械工业第九设计研究院有限公司 | Rotary switching positioning mechanism for lifting appliance fulcrum |
-
2021
- 2021-03-10 CN CN202110260934.9A patent/CN113021917A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000246555A (en) * | 1999-02-26 | 2000-09-12 | Toyota Motor Corp | Press-in device |
| CN201437285U (en) * | 2009-07-08 | 2010-04-14 | 富奥汽车零部件股份有限公司 | Multiple combined head |
| CN203666007U (en) * | 2013-12-25 | 2014-06-25 | 中国第一汽车股份有限公司 | Composite pressing head of safety air bag assembly table |
| CN105429397A (en) * | 2015-12-25 | 2016-03-23 | 江苏本格自动化科技有限公司 | Stator coil expansion mechanism |
| CN105855842A (en) * | 2016-06-08 | 2016-08-17 | 上海东方久乐汽车安全气囊有限公司 | Driver airbag support mounting spring apparatus |
| CN109909083A (en) * | 2018-01-18 | 2019-06-21 | 漳州英特捷自动化科技有限公司 | It is a kind of can automatic block clearing rotational flow atomized spray injector |
| CN108340138A (en) * | 2018-04-11 | 2018-07-31 | 苏州工业职业技术学院 | A kind of pressure head assembly component of pressing machine |
| CN210914930U (en) * | 2019-07-26 | 2020-07-03 | 机械工业第九设计研究院有限公司 | Rotary switching positioning mechanism for lifting appliance fulcrum |
| CN110576307A (en) * | 2019-10-10 | 2019-12-17 | 湖南东创智能装备有限公司 | Press mounting tool for split elastic pin |
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| CB02 | Change of applicant information |
Address after: No. 1958, Chuangye street, Changchun automobile economic and Technological Development Zone, Changchun City, Jilin Province, 130011 Applicant after: The Ninth Design and Research Institute of Machinery Industry Co.,Ltd. Address before: No. 1958, Chuangye street, Changchun automobile economic and Technological Development Zone, Changchun City, Jilin Province, 130011 Applicant before: Machinery Industry Ninth Design and Research Institute Co.,Ltd. |
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Application publication date: 20210625 |
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| RJ01 | Rejection of invention patent application after publication |