CN217165985U - Special device for thin-wall part forming - Google Patents
Special device for thin-wall part forming Download PDFInfo
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- CN217165985U CN217165985U CN202220748609.7U CN202220748609U CN217165985U CN 217165985 U CN217165985 U CN 217165985U CN 202220748609 U CN202220748609 U CN 202220748609U CN 217165985 U CN217165985 U CN 217165985U
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- 239000002184 metal Substances 0.000 claims abstract description 32
- 230000001360 synchronised effect Effects 0.000 claims abstract description 20
- 238000007493 shaping process Methods 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 238000001125 extrusion Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 238000003754 machining Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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Abstract
The utility model discloses a special device for forming thin-wall parts, which comprises a rotary die assembly, a positioning shaft, a die body and a synchronous rotary structure arranged between the positioning shaft and the die body, wherein the die body does circular motion outside the positioning shaft through the synchronous rotary structure; the positioning shaft moves linearly on the longitudinal supporting plate through the longitudinal feeding structure; the transverse feeding assembly comprises a transverse carriage and a transverse feeding structure, the longitudinal carriage makes linear motion on the transverse carriage through the transverse feeding structure, and the running direction of the transverse feeding structure is perpendicular to that of the longitudinal feeding structure. The utility model discloses a chipless extrusion mode according to work piece structural design requirement, and the research adopts high accuracy isolated plant, has realized the curved surface shaping of metal tube outer slot, has satisfied high design accuracy requirement.
Description
Technical Field
The utility model belongs to the technical field of the no cutting process of tubular metal resonator class abnormal shape structure, especially, relate to a thin wall spare shaping isolated plant.
Background
The method is characterized in that an outward deep groove needs to be machined in the circumferential direction of the metal pipe fitting, the outward deep groove cannot be machined by adopting a common turning machining method, the outward deep groove can be machined only by adopting a non-chip machining mode, and a special thin-wall part forming device is researched according to the structural design size and the precision requirement of a workpiece, so that the special thin-wall part forming device has important practical significance for forming and machining the shape of the outer groove of the workpiece.
The difficulty in solving the technical problems is as follows:
the conventional turning method cannot machine grooves with required design size and precision on metal pipe fittings, and no relevant technical report about such devices is taken as reference at present.
The significance of solving the technical problems is as follows:
a non-cutting extrusion forming mode is designed, a high-precision special device is researched and adopted according to the structural design requirements of workpieces, the curved surface forming of the outer groove of the metal pipe is realized, and the extremely high design precision requirements are met.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a realize tubular metal resonator abnormal shape structure extrusion, its purpose develops a thin wall spare shaping isolated plant, realizes the outside of the tubular metal resonator deep groove shaping, reaches the designing requirement.
The utility model discloses a solve the technical scheme who takes of this problem and be:
a thin-wall part forming special device comprises:
the rotary die assembly comprises a positioning shaft, a die body and a synchronous rotating structure arranged between the positioning shaft and the die body, and the die body does circular motion outside the positioning shaft through the synchronous rotating structure;
the positioning shaft moves linearly on the longitudinal supporting plate through the longitudinal feeding structure;
the transverse feeding assembly comprises a transverse carriage and a transverse feeding structure, the longitudinal carriage makes linear motion on the transverse carriage through the transverse feeding structure, and the running direction of the transverse feeding structure is perpendicular to that of the longitudinal feeding structure.
Preferably, the positioning shaft is connected with the fixed seat through the connecting handle, and the fixed seat makes linear motion on the longitudinal supporting plate through the longitudinal feeding structure.
Further preferably, the positioning shaft comprises a left positioning surface and a right positioning surface;
the left positioning surface is provided with a positioning table for fixing the synchronous rotating structure, the right positioning surface is connected with a middle seat through a screw and a lock nut, and the lower end of the middle seat is connected with the connecting handle.
Further preferably, a left center hole is formed in the left side of the positioning shaft, a right center hole is formed in the right side of the positioning shaft, and the left center hole and the right center hole are located on the same horizontal axis.
Further preferably, the synchronous rotating structure comprises a bearing assembly, and the bearing assembly comprises a bearing inner sleeve and a bearing outer sleeve;
a pressure pad for fixing the bearing inner sleeve is arranged on the left side of the left positioning surface and is fixed through a nut, and the right end of the bearing inner sleeve is fixed on the positioning table;
the die body is in threaded connection with the bearing outer sleeve through a fixing cover, a die molded surface is formed on the side surface of the die body and used for forming a required metal pipe outer groove molded surface;
the outer circular surface of the bearing outer sleeve is matched with the inner circular surface of the die body;
further preferably, the longitudinal feeding structure comprises:
the longitudinal servo motor is fixed on one side of the longitudinal carriage, the output end of the longitudinal servo motor is connected with a longitudinal screw rod through a longitudinal coupler, and the longitudinal screw rod is in threaded fit with the fixed seat;
the longitudinal guide rail is arranged on the longitudinal carriage along the length direction of the longitudinal carriage, the longitudinal guide rail is parallel to the longitudinal screw rod, and the longitudinal guide rail is in sliding fit with the fixed seat.
Further preferably, one end of the longitudinal screw rod, which is far away from the longitudinal coupling, is fixedly connected with a longitudinal nut.
Further preferably, the infeed structure includes:
the transverse servo motor is fixed on one side of the transverse carriage, the output end of the transverse servo motor is connected with a transverse screw rod through a transverse coupling, and the transverse screw rod is in threaded fit with the longitudinal carriage;
and the transverse guide rail is arranged on the transverse carriage along the length direction of the transverse carriage, is parallel to the transverse screw rod, and is in sliding fit with the longitudinal carriage.
Further preferably, one end of the transverse screw rod, which is far away from the transverse coupling, is fixedly connected with a transverse nut.
The second invention of the utility model aims to: the operation method of the special thin-wall part forming device is further provided, and comprises the following steps:
the method comprises the following steps: the mold surface in the mold assembly is driven to rotate by the longitudinal feeding assembly and the transverse feeding assembly to be tangent with the inner circle of the metal pipe;
step two: when the metal pipe does circular rotation motion, the molded surface of the die is driven to do synchronous circular rotation in the fixed seat, and the third step and/or the fourth step are/is executed at the same time;
step three: the longitudinal feeding assembly drives the rotary die assembly to do longitudinal feeding motion;
step four: the transverse feeding assembly drives the rotary die assembly to do transverse feeding movement;
step five: the metal tube is formed into the desired metal tube profile by the above operations.
The utility model has the advantages and positive effects that:
1. the utility model discloses the during operation, the mould profile of the mould body is tangent with the intraductal circle of metal, drives the mould profile and does synchronous circular rotation when the tubular metal resonator is made circular rotary motion, makes vertical feed motion by vertical feed subassembly drive simultaneously, and horizontal feed motion is made in the drive of horizontal feed subassembly to form the outside deep groove.
2. The utility model discloses a chipless extrusion mode according to work piece structural design requirement, and the research adopts high accuracy isolated plant, has realized the curved surface shaping of metal tube outer slot, has satisfied high design accuracy requirement.
Drawings
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and thus are not intended to limit the scope of the present invention. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.
FIG. 1 is a front view of the structure of the present invention;
in the figure:
1. the positioning device comprises a positioning shaft, 2 parts of a die body, 3 parts of a fixing cover, 4 parts of a pressure pad, 5 parts of a nut, 6 parts of a right positioning surface, 7 parts of a gasket, 8 parts of a locking nut, 9 parts of a screw, 10 parts of a bolt, 11 parts of a bearing inner sleeve, 12 parts of a bearing outer sleeve, 13 parts of a die body inner circular surface, 14 parts of a die molded surface, 15 parts of a positioning table, 16 parts of a left central hole, 17 parts of a middle seat, 18 parts of a connecting handle, 19 parts of a right central hole, 20 parts of a left positioning surface, 21 parts of a fixing seat, 22 parts of a longitudinal carriage nut, 23 parts of a fixing bolt, 24 parts of a longitudinal guide rail, 25 parts of a screw rod screw, 26 parts of a transverse carriage, 27 parts of a transverse nut, 28 parts of a longitudinal screw rod, 29 parts of a longitudinal coupling, 30 parts of a longitudinal servo motor, 31 parts of a longitudinal carriage, 32 parts of a transverse guide rail, 33 parts of a transverse screw rod, 34 parts of a transverse coupling and 35 parts of a transverse servo motor.
Detailed Description
First, it should be noted that the specific structures, features, advantages, etc. of the present invention will be described in detail below by way of example, but all the descriptions are only for illustrative purpose and should not be construed as forming any limitation to the present invention. Furthermore, any single feature described or implicit in any embodiment or any single feature shown or implicit in any drawing may still be combined or subtracted between any of the features (or equivalents thereof) to obtain still further embodiments of the invention that may not be directly mentioned herein. In addition, for the sake of simplicity, the same or similar features may be indicated in only one place in the same drawing.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations. The present invention will be described in detail with reference to the accompanying drawings.
Example 1:
a thin-wall part forming special device comprises: the rotary die assembly comprises a positioning shaft 1, a die body 2 and a synchronous rotating structure arranged between the positioning shaft 1 and the die body 2, wherein the die body 2 makes circular motion outside the positioning shaft 1 through the synchronous rotating structure;
the longitudinal feeding assembly comprises a longitudinal supporting plate 31 and a longitudinal feeding structure, and the positioning shaft 1 makes linear motion on the longitudinal supporting plate 31 through the longitudinal feeding structure; the transverse feeding assembly comprises a transverse carriage 26 and a transverse feeding structure, wherein the longitudinal carriage 31 makes linear motion on the transverse carriage 26 through the transverse feeding structure, and the running direction of the transverse feeding structure is perpendicular to that of the longitudinal feeding structure.
In this embodiment, as shown in fig. 1, the special thin-wall part forming device includes a transverse feeding assembly, a longitudinal feeding assembly and a rotary die assembly, wherein:
the longitudinal feeding assembly is arranged above the transverse feeding assembly, and the transverse feeding structure is used for driving the longitudinal supporting plate 31 to do transverse feeding motion on the transverse supporting plate 26; the rotary die assembly is fixedly arranged at a fixed position of the longitudinal feeding assembly, and the longitudinal feeding structure is used for driving the rotary die assembly to do longitudinal feeding motion on the longitudinal supporting plate 31, so that the transverse and longitudinal feeding motion of the rotary die assembly is realized.
The rotating die assembly comprises a positioning shaft 1, a die body 2 and a synchronous rotating structure arranged between the positioning shaft 1 and the die body 2, the die body 2 can do circular motion in the positioning shaft 1 through the synchronous rotating structure, namely, the die body 2 can do rotating motion by taking a fixed shaft as a center, the die profile of the die body 2 is tangent to the inner circle of the metal tube during working, the die profile is driven to do synchronous circular motion when the metal tube does circular rotating motion, meanwhile, the longitudinal feeding motion is driven by a longitudinal feeding assembly, and the transverse feeding motion is driven by a transverse feeding assembly, so that the curved surface forming of the outer groove of the metal tube is realized.
Furthermore, it is also contemplated in this embodiment that the positioning shaft 1 is connected to the fixing base 21 through the connecting handle 18, and the fixing base 21 is linearly moved on the longitudinal support plate 16 through the longitudinal feeding structure. The stem 1 is mounted in a fixed seat 21 of the longitudinal feed assembly and is fixed using a fixing bolt 23.
Furthermore, it is also considered in the present embodiment that the positioning shaft 1 includes a left positioning surface 20 and a right positioning surface 6;
the left positioning surface 20 is provided with a positioning table 15 for fixing a synchronous rotating structure, the right positioning surface 6 is connected with a middle seat 17 through a screw 9 and a lock nut 8, and the lower end of the middle seat 17 is connected with the connecting handle 18. Specifically, middle seat 17 and right locating surface 6 cooperation, screw 9 is fixed middle seat 17 is vertical spacing, and lock nut 8 is fixed middle seat 17 is horizontal spacing through gasket 7.
Furthermore, it is also considered in this embodiment that the left side of the positioning shaft 1 is provided with a left center hole 16, the right side of the positioning shaft 1 is provided with a right center hole 19, and the left center hole 16 and the right center hole 19 are located on the same horizontal axis. The left center hole 16 and the right center hole 19 are arranged to ensure that the axes of the left positioning surface and the right positioning surface are concentric to ensure the rotation precision.
Example 2:
For example: synchronous revolution mechanic includes:
the bearing assembly comprises a bearing inner sleeve 11 and a bearing outer sleeve 12;
a pressure pad 4 for fixing the bearing inner sleeve 11 is arranged on the left side of the left positioning surface 20, the pressure pad 4 is fixed through a nut 5, and the right end of the bearing inner sleeve 11 is fixed on the positioning table 15;
the die body 2 is in threaded connection with the bearing outer sleeve 12 through the fixing cover 3, a die molded surface 14 is formed on the side surface of the die body 2, and the die molded surface 14 is used for forming a required metal pipe outer groove molded surface;
the outer circumferential surface of the bearing housing 12 is fitted to the inner circumferential surface 13 of the die body 2.
The pressure pad 4 is fixed on the left side of the left positioning surface 20 through the nut 5 for fixing the bearing assembly, and the right end of the bearing inner sleeve 11 is also fixed on the positioning table 15, so that the bearing is ensured not to be loosened in the rotating process.
The die surface 14 is used for forming the required metal pipe outer groove surface, and the outer circular surface of the bearing outer sleeve 12 is matched with the die body inner circular surface 13 of the die body 2, so that the precision of the operation process of the die body 2 is improved.
When the metal pipe forming machine works, the die body moves to the position where the die molded surface 14 is tangent to the inner circle of the metal pipe, the die molded surface 14 is driven to synchronously rotate in a circular mode when the metal pipe does circular rotation motion, meanwhile, the longitudinal feeding component drives the metal pipe to do longitudinal feeding motion, and the transverse feeding component drives the metal pipe to do transverse feeding motion to drive the metal pipe to generate plastic deformation outwards, so that the needed metal pipe molded surface is formed.
Furthermore, it is also considered in this embodiment that the rotary die assembly is fixed at a fixed position of the longitudinal feeding assembly, and the longitudinal feeding assembly is fixed at a fixed position of the transverse feeding assembly, and is controlled by the transverse servo motor and the longitudinal servo motor respectively, so as to realize the transverse and longitudinal feeding movements of the rotary die.
Example 3:
embodiment 3 of the present invention is further improved on the basis of the above embodiments so as to fully exert the technical advantages of the present invention, and this is exemplified below.
For example: the longitudinal feeding structure includes:
a longitudinal servo motor 30 fixed on one side of a longitudinal carriage 31, the output end of which is connected with a longitudinal screw 28 through a longitudinal coupling 29;
the longitudinal guide rail 24 is arranged on the longitudinal carriage 31 along the length direction of the longitudinal carriage 31, and the longitudinal guide rail 24 is parallel to the longitudinal screw 28;
the fixed seat 21 is in threaded fit with a longitudinal screw 28 and is in sliding fit with the longitudinal guide rail 24, and one end of the longitudinal screw 28, which is far away from the longitudinal coupler 29, is fixedly connected with a longitudinal nut 22.
In this embodiment, as shown in fig. 1, the longitudinal feeding assembly includes a longitudinal carriage 31, a fixing seat 21, a longitudinal nut 22, a fixing bolt 19, a longitudinal guide rail 24, a longitudinal screw 28, a longitudinal coupling 29, and a longitudinal servo motor 30. The longitudinal servo motor 30 is fixedly arranged at the lower part of a longitudinal carriage 31, the lower part of a longitudinal screw 28 is connected with the longitudinal servo motor 30 through a longitudinal coupling 29, a longitudinal guide rail 24 is fixedly arranged at the middle part of the longitudinal carriage 31, the upper part of the longitudinal screw 28 is arranged in a fixed seat 21, and the longitudinal screw 22 fastens the longitudinal servo motor, so that the longitudinal feeding movement of the rotary die assembly is realized.
Still further, it is also contemplated in this embodiment that the infeed structure includes:
the transverse servo motor 35 is fixed on one side of the transverse carriage 26, the output end of the transverse servo motor is connected with a transverse screw rod 33 through a transverse coupling 34, and the transverse screw rod 33 is in threaded fit with the longitudinal carriage 31;
the transverse guide rail 32 is arranged on the transverse carriage 26 along the length direction of the transverse carriage 26, the transverse guide rail 32 is parallel to a transverse screw rod 33, the transverse guide rail 32 is in sliding fit with the longitudinal carriage 31, and one end, far away from a transverse coupler 34, of the transverse screw rod 33 is fixedly connected with a transverse nut 27.
In this embodiment, as shown in fig. 1, the transverse feeding assembly includes a transverse nut 27, a screw bolt 25, a transverse servo motor 35, a transverse coupling 34, a transverse screw 33, a transverse guide rail 32, and a transverse carriage 26. The transverse servo motor 35 is fixedly arranged at the right part of the transverse carriage 26, the transverse screw rod 33 is connected with the transverse servo motor 35 through a transverse coupling 34, the transverse guide rail 32 is fixed at the middle part of the transverse carriage 26, the left part of the transverse screw rod 33 is arranged in the longitudinal carriage 31, the transverse screw rod 27 is fastened, and the transverse feeding motion of the longitudinal feeding assembly is realized under the control of the servo motor during the work.
Example 4:
an operation method of a special device for forming a thin-wall part comprises the following steps:
the method comprises the following steps: the mold surface in the mold assembly is driven to rotate by the longitudinal feeding assembly and the transverse feeding assembly to be tangent with the inner circle of the metal pipe;
step two: when the metal pipe does circular rotation motion, the molded surface of the die is driven to do synchronous circular rotation in the fixed seat, and the third step and/or the fourth step are/is executed at the same time;
step three: the longitudinal feeding assembly drives the rotary die assembly to do longitudinal feeding motion;
step four: the transverse feeding assembly drives the rotary die assembly to do transverse feeding movement;
step five: the metal tube is formed into the desired metal tube profile by the above operations.
The above embodiments are described in detail, but the above description is only for the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (9)
1. A thin wall spare shaping isolated plant which characterized in that includes:
the rotary die assembly comprises a positioning shaft (1), a die body (2) and a synchronous rotating structure arranged between the positioning shaft and the die body, wherein the die body (2) does circular motion outside the positioning shaft (1) through the synchronous rotating structure;
the longitudinal feeding assembly comprises a longitudinal carriage (31) and a longitudinal feeding structure, and the positioning shaft (1) linearly moves on the longitudinal carriage (31) through the longitudinal feeding structure;
the transverse feeding assembly comprises a transverse carriage (26) and a transverse feeding structure, wherein the longitudinal carriage (31) makes linear motion on the transverse carriage (26) through the transverse feeding structure, and the running direction of the transverse feeding structure is perpendicular to that of the longitudinal feeding structure.
2. The special device for forming the thin-walled workpiece according to claim 1, wherein the positioning shaft (1) is connected with a fixed seat (21) through a connecting handle (18), and the fixed seat (21) moves linearly on a longitudinal carriage (31) through a longitudinal feeding structure.
3. The special device for forming the thin-walled workpiece according to claim 2, wherein the positioning shaft (1) comprises a left positioning surface (20) and a right positioning surface (6);
be equipped with on left side locating surface (20) and be used for fixing synchronous revolution mechanic's location platform (15), right side locating surface (6) are connected with middle seat (17) through screw (9) and lock mother (8), the lower extreme of middle seat (17) is connected connecting handle (18).
4. The special device for forming the thin-walled workpiece according to claim 3, wherein: the left side of location axle (1) is equipped with left centre bore (16), the right side of location axle (1) is equipped with right centre bore (19), left side centre bore (16) and right centre bore (19) are located same horizontal axis.
5. A thin-walled member forming special device according to claim 4, characterized in that the synchronous rotating structure comprises a bearing assembly, the bearing assembly comprises a bearing inner sleeve (11) and a bearing outer sleeve (12);
a pressure pad (4) for fixing a bearing inner sleeve (11) is arranged on the left side of the left positioning surface (20), the pressure pad (4) is fixed through a nut (5), and the right end of the bearing inner sleeve (11) is fixed on a positioning table (15);
the die body (2) is in threaded connection with the bearing outer sleeve (12) through a fixing cover (3), a die molded surface (14) is formed on the side surface of the die body (2), and the die molded surface (14) is used for forming a required metal pipe outer groove molded surface;
the outer circular surface of the bearing outer sleeve (12) is matched with the inner circular surface (13) of the die body (2).
6. A thin-walled piece forming special device according to claim 5, wherein the longitudinal feeding structure comprises:
the longitudinal servo motor (30) is fixed on one side of the longitudinal carriage (31), the output end of the longitudinal servo motor is connected with a longitudinal screw rod (28) through a longitudinal coupling (29), and the longitudinal screw rod (28) is in threaded fit with the fixed seat (21);
the longitudinal guide rail (24) is arranged on the longitudinal carriage (31) along the length direction of the longitudinal carriage (31), the longitudinal guide rail (24) is parallel to the longitudinal screw rod (28), and the longitudinal guide rail (24) is in sliding fit with the fixed seat (21).
7. A special device for forming a thin-walled workpiece as claimed in claim 6, characterized in that one end of the longitudinal screw rod (28) far away from the longitudinal coupling (29) is fixedly connected with a longitudinal nut (22).
8. A thin-walled piece forming special device according to claim 6, wherein the transverse feeding structure comprises:
the transverse servo motor (35) is fixed on one side of the transverse carriage (26), the output end of the transverse servo motor is connected with a transverse screw rod (33) through a transverse coupling (34), and the transverse screw rod (33) is in threaded fit with the longitudinal carriage (31);
the transverse guide rail (32) is arranged on the transverse carriage (26) along the length direction of the transverse carriage (26), the transverse guide rail (32) is parallel to the transverse screw rod (33), and the transverse guide rail (32) is in sliding fit with the longitudinal carriage (31).
9. The special device for forming the thin-walled workpiece as claimed in claim 8, wherein one end of the transverse screw rod (33) far away from the transverse coupling (34) is fixedly connected with a transverse nut (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220748609.7U CN217165985U (en) | 2022-04-02 | 2022-04-02 | Special device for thin-wall part forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220748609.7U CN217165985U (en) | 2022-04-02 | 2022-04-02 | Special device for thin-wall part forming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217165985U true CN217165985U (en) | 2022-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220748609.7U Active CN217165985U (en) | 2022-04-02 | 2022-04-02 | Special device for thin-wall part forming |
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| Country | Link |
|---|---|
| CN (1) | CN217165985U (en) |
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2022
- 2022-04-02 CN CN202220748609.7U patent/CN217165985U/en active Active
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Effective date of registration: 20230814 Address after: 300180, No. 168 Jintang Road, Hedong District, Tianjin Patentee after: CHINA NUCLEAR (TIANJIN) TECHNOLOGY DEVELOPMENT Co.,Ltd. Patentee after: RESEARCH INSTITUTE OF PHYSICAL AND CHEMICAL ENGINEERING OF NUCLEAR INDUSTRY Address before: 300180, No. 168 Jintang Road, Hedong District, Tianjin Patentee before: RESEARCH INSTITUTE OF PHYSICAL AND CHEMICAL ENGINEERING OF NUCLEAR INDUSTRY |
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Effective date of registration: 20240201 Address after: 300182 No. 168, Jintang Road, Hedong District, Tianjin Patentee after: RESEARCH INSTITUTE OF PHYSICAL AND CHEMICAL ENGINEERING OF NUCLEAR INDUSTRY Guo jiahuodiqu after: Zhong Guo Address before: 300180, No. 168 Jintang Road, Hedong District, Tianjin Patentee before: CHINA NUCLEAR (TIANJIN) TECHNOLOGY DEVELOPMENT Co.,Ltd. Guo jiahuodiqu before: Zhong Guo Patentee before: RESEARCH INSTITUTE OF PHYSICAL AND CHEMICAL ENGINEERING OF NUCLEAR INDUSTRY |