CN220428256U - High-strength lithium electric nail gun of composite energy storage structure - Google Patents
High-strength lithium electric nail gun of composite energy storage structure Download PDFInfo
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- CN220428256U CN220428256U CN202321879087.5U CN202321879087U CN220428256U CN 220428256 U CN220428256 U CN 220428256U CN 202321879087 U CN202321879087 U CN 202321879087U CN 220428256 U CN220428256 U CN 220428256U
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- 238000004146 energy storage Methods 0.000 title claims abstract description 57
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 24
- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 230000006835 compression Effects 0.000 claims abstract description 33
- 238000007906 compression Methods 0.000 claims abstract description 33
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 208000032370 Secondary transmission Diseases 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000006173 Good's buffer Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
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- Portable Nailing Machines And Staplers (AREA)
Abstract
The utility model discloses a high-strength lithium electric nail gun with a composite energy storage structure, which comprises a gun body, wherein the tail part of the gun body is provided with an energy storage structure, and the energy storage structure is formed by combining a spring compression mechanism and a vacuum cylinder mechanism; the spring compression mechanism mainly comprises a compression cavity, a spring piston and a working piston rod, wherein the spring and the spring piston are arranged in the compression cavity, the front end of the spring piston is connected with the working piston rod, and an upper rack structure is arranged at the lower part of the working piston rod; the vacuum cylinder mechanism comprises a cylinder body and a cylinder piston, a completely sealed vacuum chamber is formed between the cylinder piston and the tail end part of the cylinder body, a lower rack structure is arranged on the upper side of the vacuum cylinder piston rod, and the lower rack structure is meshed and transmitted with the upper rack structure through a transmission gear. The energy storage structure organically combines the spring compression and the cylinder mechanism, not only can doubly improve the energy storage strength, but also can effectively reduce the axial and radial vibration problem when nailing is finished.
Description
Technical Field
The utility model belongs to a hand-held lithium electric nailing gun, in particular to a high-strength lithium electric nailing gun with a composite energy storage structure
Background
The lithium electric nailing gun is a hand-held lithium electric nailing tool which is used in the industries of construction, decoration and furniture.
The most widely used lithium electric nail gun at present is to drive a piston to compress a spring to store energy through a motor, a speed reducer and a rotary transmission mechanism, and to shoot nails through being released by the compressed spring.
Through years of use, the structure of the existing lithium battery nail gun has the following two main problems:
1) The independent utilization of the spring for energy storage is limited by the length and the rigidity of the spring, so that the finally obtained energy storage strength is insufficient, and the requirement of some high-strength nailing operations is difficult to meet;
2) After the nailing is finished, the spring is influenced by impact reaction force, so that the axial vibration of the spring is larger, the rebound force is increased, the operation comfort is influenced, and the fatigue strength of an operator is enhanced.
Disclosure of Invention
According to the high-strength lithium electric nail gun with the composite energy storage structure, the energy storage structure organically combines the spring compression and the air cylinder mechanism, so that the energy storage strength can be improved in multiple, the axial and radial vibration problems at the end of nailing can be effectively reduced, the labor intensity is further reduced, and the comfortableness of nailing operation is improved.
In order to solve the problems, the utility model adopts the following technical scheme:
the utility model provides a high strength lithium electricity nail rifle of compound energy storage structure, includes the rifle body, and the afterbody of rifle body is setting up energy storage structure, its characterized in that: the energy storage structure is formed by combining a spring compression mechanism and a vacuum cylinder mechanism which are mutually linked; the spring compression mechanism mainly comprises a compression cavity, a spring piston and a working piston rod, wherein the spring and the spring piston are arranged in the compression cavity, the tail end of the spring is propped against the bottom of the compression cavity, the front end of the spring is propped against the spring piston, and the spring has precompression quantity in an initial state so that the spring piston always has a forward moving trend; the front end of the spring piston is connected with a working piston rod for driving the gun needle to synchronously work, and an upper rack structure is arranged at the lower part of the working piston rod; the vacuum cylinder mechanism comprises a cylinder body and a cylinder piston arranged in the cylinder body, wherein the cylinder piston and the tail end part of the cylinder body form a completely sealed vacuum chamber, the cylinder piston is positioned at the tail part of the cylinder body in an initial state, the front end of the cylinder piston is connected with a vacuum cylinder piston rod extending out of the cylinder body, the upper side of the vacuum cylinder piston rod is provided with a lower rack structure, and the lower rack structure is meshed and transmitted with the upper rack structure through a transmission gear fixed on the gun body; meanwhile, the front end of the vacuum cylinder piston rod is provided with a transmission structure which is in transmission connection with the driving structure.
More specifically, the lower rack structure is meshed with the upper rack structure through a transmission gear, and the tooth shapes of the lower rack structure and the upper rack structure are straight teeth, oblique teeth or arc teeth.
More specifically, the tail of the spring compression chamber is provided with a spring seat for positioning the spring.
More specifically, the front side of the last tooth of the upper rack structure of the working piston rod is separated from the transmission gear when the nailing is completed.
More specifically, the transmission structure comprises a driving arm arranged at the lower side of the front end of the piston rod of the vacuum cylinder, and a first pushing end and a second pushing end which are in secondary transmission with the driving structure are arranged on the driving arm.
More specifically, the rear end of the driving arm directly forms the second pushing end, the front end of the driving arm extends downwards for a certain distance to form a first pushing end, and the height of the first pushing end is lower than that of the second pushing end.
More specifically, the driving arm and the vacuum cylinder piston rod are integrally formed.
More specifically, the driving arm and the vacuum cylinder piston rod are arranged in a split mode, and the whole driving arm is fixed on the vacuum cylinder piston rod through a plurality of screws.
More specifically, the driving structure mainly comprises a driving motor, a speed reducer and a crank gear; the driving motor is directly connected with the speed reducer, the speed reducer is provided with an output shaft which rotates in one direction, the output shaft is provided with transmission teeth, the crank gear is arranged at the rear of the output shaft, and the crank gear is meshed and connected with the transmission teeth; a first pushing protrusion and a second pushing protrusion are arranged on the top end surface of the crank gear at intervals along the circumferential direction, the height of the first pushing protrusion is lower than that of the second pushing protrusion, the first pushing protrusion corresponds to the position of the first pushing end, and the second pushing protrusion corresponds to the position of the second pushing end; when the crank gear rotates, the first pushing protrusion is abutted against the first pushing end and pushes the first pushing end to drive the vacuum cylinder piston rod to move forwards for first-stage energy storage, and after the first-stage energy storage is completed, the second pushing protrusion is abutted against the second pushing end and pushes the second pushing end to enable the vacuum cylinder piston rod to continue to move forwards for second-stage energy storage.
More specifically, the front section top of above-mentioned working piston rod is provided with the mount pad, and mount pad top forms a connecting platform, is equipped with a connecting hole on the connecting platform, and the connecting hole passes through the afterbody swing joint of screw and rifle needle.
The utility model relates to a high-strength lithium electric nail gun, wherein an energy storage structure is a composite energy storage structure and is formed by combining a spring compression mechanism and a vacuum cylinder mechanism which are mutually linked.
When the vacuum cylinder is in operation, the driving structure works to drive the vacuum cylinder piston rod to move forwards, and the vacuum cylinder piston rod is driven to move forwards synchronously, so that a vacuum chamber in the cylinder body is continuously increased to perform vacuum energy storage operation, and on the other hand, the vacuum cylinder piston rod is driven to move forwards through the meshing transmission of the transmission gear, so that the working piston rod moves backwards to further compress the spring to perform spring compression energy storage. The vacuum energy storage and the spring compression energy storage form a power source for nailing operation of the gun needle at the same time, once the driving structure is separated from the vacuum cylinder piston rod, the restoring force of the compression spring is used as a first driving force, the working piston rod is rapidly ejected, meanwhile, the expanded vacuum chamber generates strong backward adsorption force under the action of atmospheric pressure, the adsorption force rapidly drives the cylinder piston and the vacuum cylinder piston rod to move backwards, the backward movement of the vacuum cylinder piston rod is transmitted by the meshing of the transmission gear, a second driving force for enabling the working piston rod to move forwards is formed, and the first driving force and the second driving force jointly form the driving force of the gun needle.
In addition, the existence of the vacuum cylinder mechanism brings a good buffering effect to the spring compression mechanism. After the nailing is finished, the adsorption force of the vacuum chamber on the cylinder piston still exists, the generated second driving force always pushes the working piston to move forwards, the second driving force effectively counteracts the reaction force of the spring after the spring is impacted in place, so that a good buffer effect is achieved, the axial and radial vibration of the spring after the nailing is finished is eliminated, the operation comfort of the nailing gun is improved, and the fatigue strength of an operator is relieved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2, a cross-sectional view of the present utility model;
FIG. 3 is a cross-sectional view of the present utility model during energy storage.
Detailed Description
As shown in figures 1-3, the high-strength lithium electric nail gun with the composite energy storage structure comprises a gun body 1, wherein the energy storage structure is arranged at the tail part of the gun body 1.
The energy storage structure is a composite structure and is formed by combining a spring compression mechanism 2 and a vacuum cylinder mechanism 3 which are in linkage with each other.
Wherein the spring compression mechanism 2 mainly comprises a compression chamber 21, a spring 22, a spring piston 23 and a working piston rod 24.
The spring 22 and the spring piston 23 are sequentially arranged in the compression cavity 21, the tail end of the spring 22 is propped against the bottom of the compression cavity 21, the front end of the spring 22 is propped against the spring piston 23, and the spring 22 has precompression quantity in an initial state so that the spring piston 23 always has a forward moving trend.
To ensure a neutral and efficient positioning of the spring 22 in operation, the tail of the spring compression chamber 21 is provided with a spring seat 221 for positioning the spring 22.
The front end of the spring piston 23 is connected with a working piston rod 24 for driving the gun needle 4 to synchronously work, the front end of the working piston rod 24 extends out of the compression cavity 21, and a row of upper rack structures 241 are arranged at the lower part of the working piston rod.
The vacuum cylinder mechanism 3 comprises a cylinder body 31 and a cylinder piston 32 arranged in the cylinder body, wherein the cylinder piston 32 and the tail end part of the cylinder body 31 form a completely sealed vacuum chamber 3a, and the cylinder piston 32 is positioned at the tail part of the cylinder body 31 in the initial state, and the structure is shown in fig. 2.
The front end of the cylinder piston 32 is connected with a vacuum cylinder piston rod 33 extending out of the cylinder body, a lower rack structure 331 is arranged on the upper side of the vacuum cylinder piston rod 33, and the lower rack structure 331 is meshed and driven with the upper rack structure 241 through a transmission gear 5 fixed on the gun body 1.
The tooth shapes of the upper rack structure 241, the transmission gear 5 and the lower rack structure 331 are one of straight teeth, helical teeth or arc teeth, corresponding structures are adopted in practice according to requirements, and other equivalent structures can be adopted in practice as long as meshing transmission of the three can be realized.
Meanwhile, the front end of the vacuum cylinder piston rod 33 is provided with a detachable transmission structure which is in transmission connection with the driving structure 7.
In this embodiment, the transmission structure includes a driving arm 6, and a first pushing end 61 and a second pushing end 62 that perform two-stage transmission with the driving structure 7 are disposed on the driving arm 6. The rear end of the driving arm 6 directly forms the second pushing end 62, and the front end of the driving arm 6 extends downwards for a certain distance to form the first pushing end 61, where the height of the first pushing end 61 is lower than that of the second pushing end 62.
The driving arm 6 and the vacuum cylinder piston rod 33 may be integrally formed, but in practice, for the sake of simplicity in processing, the driving arm 6 and the vacuum cylinder piston rod 33 are generally configured in a split manner, and the entire split driving arm 6 is fixed on the vacuum cylinder piston rod 33 by a plurality of screws.
The energy storage structure of the high-strength lithium electric nail gun with the structural design is a composite energy storage structure and is formed by combining a spring compression mechanism 2 and a vacuum cylinder mechanism 3 which are in linkage with each other.
In operation, the driving structure 7 drives the vacuum cylinder piston rod 33 to move forward to sequentially perform primary energy storage and secondary energy storage, and each forward movement of the vacuum cylinder piston rod 33 synchronously drives the cylinder piston 32 to move forward so that the vacuum chamber 3a in the cylinder 31 is continuously increased to perform vacuum energy storage operation, and on the other hand, the forward movement of the vacuum cylinder piston rod 33 is transmitted through the engagement of the transmission gear 5 so that the working piston rod 24 moves backward to further compress the spring 22 to perform spring energy storage, and the structure is shown in fig. 3. The above vacuum energy storage and spring energy storage simultaneously form a power source for nailing operation of the gun needle 4, once the driving structure 7 is separated from the driving arm 6 on the vacuum cylinder piston rod 33, the restoring force of the compression spring 22 forms a first driving force F1 to enable the working piston rod 24 to pop up rapidly, meanwhile, the vacuum chamber 3a for completing energy storage generates strong backward adsorption force F2 on the cylinder piston 32 under the action of atmospheric pressure, the adsorption force F2 drives the cylinder piston 32 and the vacuum cylinder piston rod 33 to move backward rapidly, the backward movement of the vacuum cylinder piston rod 33 is transmitted by the meshing of the driving gear 5, a second driving force for enabling the working piston rod 24 to move forward is formed, and the above first driving force and the second driving force jointly form the driving force of the gun needle 4.
Here, the presence of the above vacuum cylinder mechanism 3 brings about a good cushioning effect to the spring compression mechanism 2. After the nailing is completed, the adsorption force of the vacuum chamber 3a on the cylinder piston 32 still exists under the influence of atmospheric pressure, the generated second driving force always pushes the working piston rod 24 to generate a forward movement trend, and the existence of the second driving force effectively counteracts the backward reaction force of the spring 22 after the impact in place, so that the axial and radial vibration of the spring 22 after the nailing is completed is eliminated, the operation comfort of the nailing gun is improved, and the fatigue strength of operators is reduced.
In addition, at the moment of finishing nailing, the working piston rod 24 still has great forward inertia, the inertia force can generate strong impact force between the upper rack structure 241 and the driving teeth of the driving gear 5, the impact force can easily cause the phenomenon of biting of the teeth of the upper rack structure 241 and the driving gear 5, even the phenomenon of tooth breakage caused by impact can occur, and further the service lives of the working piston rod 24 and the driving gear 5 are seriously influenced. However, the rear side of the last tooth 241a of the upper rack structure 241 is still in a state of abutting against the transmission gear 5, so that the axial movement of the working piston rod 24 is still limited by the transmission gear 5 and the vacuum cylinder structure 3, and the vibration buffering and eliminating effects are good.
In the present embodiment, the driving structure 7 mainly includes a driving motor 71, a decelerator 72, and a crank gear 75. The driving motor 71 is directly connected with the speed reducer 72, the speed reducer 72 is provided with a unidirectional rotation output shaft 73, the output shaft 73 is provided with a transmission tooth 74, the crank gear 75 is arranged at the rear of the output shaft 73, and the crank gear 75 is in meshed connection with the transmission tooth 74. A first pushing protrusion 751 and a second pushing protrusion 752 are circumferentially spaced on the top end surface of the crank gear 75, wherein the first pushing protrusion 751 is lower than the second pushing protrusion 752, the first pushing protrusion 751 corresponds to the position of the first pushing end 61, and the second pushing protrusion 752 corresponds to the position of the second pushing end 62.
In operation, when the driving motor 71 drives the crank gear 73 to rotate, the first pushing protrusion 751 is abutted against the first pushing end 61 and pushes the driving arm 6 to drive the vacuum cylinder piston rod 33 to move forward, so as to perform the first-stage energy storage. After the first stage of energy storage is completed, the first pushing protrusion 751 is separated from the first pushing end 61, and meanwhile, the second pushing protrusion 752 is abutted against the second pushing end 62 and further pushes the driving arm 6, so that the vacuum cylinder piston rod 33 continues to move forward for the second stage of energy storage. The process is completed until the secondary energy storage is completed, at this time, the second pushing protrusion 752 is separated from the second pushing end 62, and at the same time, the first pushing protrusion 751 and the first pushing end 61 are in a separated state, that is, the restraint of the driving structure 7 on the vacuum cylinder piston rod 33 is completely released, and the nailing operation state is entered.
In addition, considering that the gun needle 4 in the nailing gun is in a reciprocating high-frequency working state, the gun needle is a wearing part and needs to be replaced frequently in use, for this purpose, a mounting seat 242 is arranged above the front section of the working piston rod 24, a connecting platform is formed at the top of the mounting seat 242, a connecting hole 2421 is arranged on the connecting platform, the connecting hole 2421 is movably connected with the tail part of the gun needle 4 through a screw 2422, and in use, the replacement operation of the gun needle 4 can be realized only by disassembling the screw 2422, thereby being convenient and quick.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, but any simple modification, equivalent variation or modification made to the above embodiments according to the technical principles of the present utility model still falls within the scope of the technical solutions of the present utility model.
Claims (10)
1. The utility model provides a high strength lithium electricity nail rifle of compound energy storage structure, includes rifle body (1), and the afterbody of rifle body (1) is setting up energy storage structure, its characterized in that: the energy storage structure is formed by combining a spring compression mechanism (2) and a vacuum cylinder mechanism (3) which are in linkage with each other; the spring compression mechanism (2) mainly comprises a compression cavity (21), a spring (22), a spring piston (23) and a working piston rod (24), wherein the spring (22) and the spring piston (23) are arranged in the compression cavity (21), the tail end of the spring (22) is propped against the bottom of the compression cavity (21), the front end of the spring (22) is propped against the spring piston (23), and the spring (22) has precompression in an initial state so that the spring piston (23) always has a forward moving trend; the front end of the spring piston (23) is connected with a working piston rod (24) for driving the gun needle (4) to synchronously work, and an upper rack structure (241) is arranged at the lower part of the working piston rod (24); the vacuum cylinder mechanism (3) comprises a cylinder body (31) and a cylinder piston (32) arranged in the cylinder body, wherein the cylinder piston (32) and the tail end part of the cylinder body (31) form a completely sealed vacuum chamber (3 a), the cylinder piston (32) is positioned at the tail part of the cylinder body (31) in an initial state, the front end of the cylinder piston (32) is connected with a vacuum cylinder piston rod (33) extending out of the cylinder body (31), the upper side of the vacuum cylinder piston rod (33) is provided with a lower rack structure (331), and the lower rack structure (331) is in meshed transmission with the upper rack structure (241) through a transmission gear (5) fixed on the gun body (1); meanwhile, the front end of the vacuum cylinder piston rod (33) is provided with a transmission structure which is in transmission connection with the driving structure (7).
2. The high strength lithium electric nail gun of a composite energy storage structure of claim 1, wherein: the lower rack structure (331) is meshed with the upper rack structure (241) through a transmission gear (5), and the tooth shapes of the lower rack structure, the upper rack structure and the upper rack structure are straight teeth, oblique teeth or arc teeth.
3. The high strength lithium electric nail gun of a composite energy storage structure of claim 1, wherein: the tail of the compression cavity (21) is provided with a spring seat (221) for positioning the spring (22).
4. The high strength lithium electric nail gun of a composite energy storage structure of claim 1, wherein: the front side of the last tooth (241 a) of the upper rack structure (241) of the working piston rod (24) is separated from the transmission gear (5) when the nailing is completed.
5. A high strength lithium electric nail gun of composite energy storage structure according to any one of claims 1-4, characterized in that: the transmission structure comprises a driving arm (6) arranged at the lower side of the front end of the piston rod of the vacuum cylinder, and a first pushing end (61) and a second pushing end (62) which are in secondary transmission with the driving structure (7) are arranged on the driving arm (6).
6. The high strength lithium electric nail gun of a composite energy storage structure of claim 5, wherein: the rear end of the driving arm (6) directly forms the second pushing end (62), the front end of the driving arm (6) extends downwards for a certain distance to form a first pushing end (61), and the height of the first pushing end (61) is lower than that of the second pushing end (62).
7. The high strength lithium electric nail gun of a composite energy storage structure of claim 6, wherein: the driving arm (6) and the vacuum cylinder piston rod (33) are integrally formed.
8. The high strength lithium electric nail gun of a composite energy storage structure of claim 6, wherein: the driving arm (6) and the vacuum cylinder piston rod (33) are arranged in a split mode, and the whole driving arm (6) is fixed on the vacuum cylinder piston rod (33) through a plurality of screws.
9. The high strength lithium electric nail gun of a composite energy storage structure of claim 6, wherein: the driving structure (7) mainly comprises a driving motor (71), a speed reducer (72) and a crank gear (75); the driving motor (71) is directly connected with the speed reducer (72), the speed reducer (72) is provided with an output shaft (73) which rotates in one direction, the output shaft (73) is provided with a transmission tooth (74), the rear part of the output shaft (73) is provided with a crank gear (75), and the crank gear (75) is in meshed connection with the transmission tooth (74); a first pushing protrusion (751) and a second pushing protrusion (752) are arranged on the top end surface of the crank gear (75) at intervals along the circumferential direction, the height of the first pushing protrusion (751) is lower than that of the second pushing protrusion (752), the first pushing protrusion (751) corresponds to the position of the first pushing end (61), and the second pushing protrusion (752) corresponds to the position of the second pushing end (62); when the crank gear (75) rotates, the first pushing protrusion (751) is abutted against the first pushing end (61) and pushes the first pushing end (61) to drive the vacuum cylinder piston rod (33) to move forwards for first-stage energy storage, and after the first-stage energy storage is completed, the second pushing protrusion (752) is abutted against the second pushing end (62) and pushes the second pushing end (62) to enable the vacuum cylinder piston rod (33) to continue to move forwards for second-stage energy storage.
10. A high strength lithium electric nail gun of composite energy storage structure according to any one of claims 1-4, characterized in that: the front section top of working piston rod (24) is provided with mount pad (242), and mount pad (242) top forms a connecting platform, is equipped with a connecting hole (2421) on the connecting platform, and connecting hole (2421) passes through screw (2422) and afterbody swing joint of rifle needle (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321879087.5U CN220428256U (en) | 2023-07-17 | 2023-07-17 | High-strength lithium electric nail gun of composite energy storage structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321879087.5U CN220428256U (en) | 2023-07-17 | 2023-07-17 | High-strength lithium electric nail gun of composite energy storage structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220428256U true CN220428256U (en) | 2024-02-02 |
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ID=89699699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321879087.5U Active CN220428256U (en) | 2023-07-17 | 2023-07-17 | High-strength lithium electric nail gun of composite energy storage structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220428256U (en) |
-
2023
- 2023-07-17 CN CN202321879087.5U patent/CN220428256U/en active Active
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Address after: East of Building 11, Zone A, Small and Medium sized Enterprise Incubation Park, No. 2 Jintang North Road, Dongdong New Area, Wenling City, Taizhou City, Zhejiang Province, 317500 Patentee after: TAIZHOU TUBA MACHINERY Co.,Ltd. Country or region after: China Address before: 317500 Yingbin Avenue, Songmen Town, Wenling City, Taizhou City, Zhejiang Province Patentee before: TAIZHOU TUBA MACHINERY Co.,Ltd. Country or region before: China |
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