CN216028241U - Motorcycle camshaft hole processingequipment - Google Patents
Motorcycle camshaft hole processingequipment Download PDFInfo
- Publication number
- CN216028241U CN216028241U CN202122520361.7U CN202122520361U CN216028241U CN 216028241 U CN216028241 U CN 216028241U CN 202122520361 U CN202122520361 U CN 202122520361U CN 216028241 U CN216028241 U CN 216028241U
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- base
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- camshaft
- fixing
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- 238000005553 drilling Methods 0.000 claims abstract description 131
- 238000003754 machining Methods 0.000 claims abstract description 25
- 239000002826 coolant Substances 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the technical field of mechanical element processing, in particular to a device for processing an inner hole of a camshaft of a motorcycle; the drilling tool mainly comprises a fixed base, a drilling tool fixing assembly and a clamping assembly; the camshaft slides with the drilling tool fixing component through the clamping component, and the drilling tool is arranged on the drilling tool fixing component; the drilling tool fixing assembly is arranged on the fixing base; the clamping assembly comprises a clamping base, a supporting base and a clamping block, the clamping base is arranged on the fixed base, the supporting base is fixedly connected with the clamping base and is positioned on one side of the clamping base, and the clamping block is fixedly connected with the clamping base and is positioned on one side, close to the supporting base, of the clamping base; the camshaft is fixed through the clamping assembly, the drilling tool is arranged on the drilling tool fixing assembly, and the drilling tool can move towards the direction of the camshaft through the driving of the drilling tool fixing assembly, so that the machining of holes on the camshaft by a machine instead of manpower is realized, and the precision of the holes and the relative position of the holes are improved.
Description
Technical Field
The utility model relates to the technical field of machining of mechanical elements, in particular to a device for machining an inner hole of a camshaft of a motorcycle.
Background
In the prior art, a convex shaft wheel is usually fixed by a clamp, then the inner hole machining is carried out on a drill floor, the manual operation is mainly carried out, and the machining precision of the hole and the relative position of each hole cannot be guaranteed due to the error of manual measurement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for processing an inner hole of a motorcycle camshaft, and aims to solve the technical problem that in the prior art, manual operation is required for processing the motorcycle camshaft, so that the processing precision of the hole and the relative position of the hole cannot be guaranteed.
In order to achieve the purpose, the utility model provides a motorcycle camshaft inner hole machining device which comprises a fixed base, a drilling tool fixing assembly and a clamping assembly, wherein the fixed base is fixedly arranged on the inner hole of the camshaft; the camshaft slides with the drilling tool fixing assembly through the clamping assembly, and the drilling tool is arranged on the drilling tool fixing assembly; the drilling tool fixing assembly is arranged on the fixing base; the clamping assembly comprises a clamping base, a supporting base and a clamping block, the clamping base is arranged on the fixed base, the supporting base is fixedly connected with the clamping base and is located on one side of the clamping base, and the clamping block is fixedly connected with the clamping base and is located on one side of the clamping base, which is close to the supporting base.
The drilling tool assembly is arranged on the fixed base, the drilling tool can transversely slide on the fixed base through the drilling tool assembly, and the relative position of the camshaft and the drilling tool is changed through the clamping assembly and the drilling tool fixing assembly, so that inner hole machining is not needed manually, and the machining precision of holes and the relative position precision of each hole are improved.
The clamping block is provided with a clamping hole, and the clamping hole penetrates through the clamping block and is matched with the camshaft.
The clamping hole penetrates through the clamping block and is positioned on one side, close to the camshaft, of the clamping block, the camshaft can penetrate through the clamping hole, and the purpose that the camshaft is clamped by the clamping block is achieved through the clamping hole.
Wherein the clamping block is also provided with a bolt hole; the clamping assembly further comprises a locking bolt, and the bolt hole is matched with the locking bolt.
The bolt hole is positioned on one side of the clamping block close to the clamping hole, the locking bolt can be matched with the bolt hole to be screwed into the clamping hole, and the locking bolt is mutually abutted with the camshaft in the clamping hole through the bolt hole, so that the camshaft is locked.
The drilling tool fixing assembly comprises a drilling tool fixing seat, a drilling tool moving seat and a first air cylinder, and the drilling tool fixing seat is fixedly connected with the fixing base and is positioned on one side of the fixing base; the drilling tool moving seat is connected with the drilling tool fixing seat in a sliding mode and is positioned on one side, away from the fixing base, of the drilling tool fixing seat; the first air cylinder is fixedly connected with the fixed base and is positioned on one side, close to the drilling tool fixed seat, of the fixed base, and the output end of the first air cylinder is connected with the drilling tool moving seat.
The output end of the first air cylinder is fixedly welded with the drilling tool moving seat, and the drilling tool moving seat can slide on the drilling tool fixing seat through the first air cylinder, so that the relative position of the drilling tool and the camshaft is changed, the drilling tool can be automatically machined without manual work, and the machining precision is improved.
The drilling tool fixing seat is provided with a first T-shaped groove, and the first T-shaped groove is positioned on one side, close to the drilling tool moving seat, of the drilling tool fixing seat; the drilling tool moving seat is provided with a first T-shaped bulge, the first T-shaped bulge is positioned on one side, close to the drilling tool fixing seat, of the drilling tool moving seat, and the first T-shaped bulge is matched with the first T-shaped groove.
First T-slot with the protruding cooperation of first T-shape makes the drilling tool removes the seat and can carry out lateral sliding on the drilling tool fixing base, and can not take place the ascending displacement in other directions, the drilling tool with the drilling tool fixing base passes through bolted connection, through first T-slot with first T-shape is protruding, has promoted precision when the drilling tool removes the seat and removes, has also promoted precision when the drilling tool removes, has realized right camshaft machining precision's promotion.
The clamping base is provided with a second T-shaped groove, and the second T-shaped groove is positioned on one side, close to the fixed base, of the clamping base; the fixing base is provided with a second T-shaped bulge, the second T-shaped bulge is positioned on one side, close to the clamping base, of the fixing base, and the second T-shaped bulge is matched with the second T-shaped groove.
The second T-shaped groove is matched with the second T-shaped bulge, so that the clamping base can vertically slide on the fixed base, displacement in other directions cannot occur, the camshaft passes through the clamping block and the supporting seat and is fixedly connected with the clamping base, and the precision of the drilling tool moving seat during moving is improved by the second T-shaped groove and the second T-shaped bulge, so that the precision of the camshaft machining precision is improved.
The motorcycle camshaft inner hole machining device further comprises a second cylinder, wherein the second cylinder is fixedly connected with the clamping base and is located on one side, far away from the clamping block, of the clamping base.
The second cylinder with clamping base fixed connection, through the second cylinder, make clamping base does not need manual operation just can vertical slip is gone up to the unable adjustment base to the precision of processing has been promoted.
The motorcycle camshaft inner hole machining device further comprises a guide pipe support frame and a coolant guide pipe, the guide pipe support frame is fixedly connected with the fixed base and is located on one side, close to the first cylinder, of the fixed base, and the coolant guide pipe is arranged on the guide pipe support frame.
When the camshaft is machined, the situation that a drill bit is overheated can occur, so that a workpiece or the drill bit deforms, coolant is sprayed to the position of the drill bit through the coolant guide pipe through a pump, the temperature is reduced, and the situation that the workpiece and the drill bit are prevented from being overheated and deformed is achieved.
The utility model discloses a motorcycle camshaft inner hole machining device which comprises a fixed base, a drilling tool fixing assembly and a clamping assembly, wherein the drilling tool fixing assembly is arranged on the fixed base; the camshaft slides with the drilling tool fixing component through the clamping component, and the drilling tool is arranged on the drilling tool fixing component; the drilling tool fixing assembly is arranged on the fixing base; the clamping assembly comprises a clamping base, a supporting base and a clamping block, the clamping base is arranged on the fixed base, the supporting base is fixedly connected with the clamping base and is positioned on one side of the clamping base, and the clamping block is fixedly connected with the clamping base and is positioned on one side, close to the supporting base, of the clamping base; the camshaft is fixed through the clamping assembly, the drilling tool is arranged on the drilling tool fixing assembly, and the drilling tool can move towards the direction of the camshaft through the driving of the drilling tool fixing assembly, so that the machining of holes on the camshaft by a machine instead of manpower is realized, and the precision of the holes and the precision of the relative positions of the holes are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an inner hole machining device for a motorcycle camshaft provided by the utility model.
FIG. 2 is a schematic side view of the device for machining the inner hole of the camshaft of the motorcycle.
Fig. 3 is a schematic view of the connection of the first cylinder and the tool moving seat of the present invention.
Fig. 4 is a schematic view of the connection of the clamping base and the fixing base of the present invention.
Fig. 5 is a schematic view showing the structure of a clamping hole and a bolt hole provided in the clamping block of the present invention.
In the figure: 1-fixed base, 11-second T-shaped bulge, 2-drilling tool, 3-drilling tool fixed component, 31-drilling tool fixed base, 311-first T-shaped groove, 32-drilling tool moving base, 321-first T-shaped bulge, 33-first air cylinder, 4-clamping component, 41-clamping base, 411-second T-shaped groove, 42-supporting base, 43-clamping block, 431-clamping hole, 432-bolt hole, 44-locking bolt, 5-camshaft, 6-second air cylinder, 7-conduit supporting frame and 8-coolant conduit
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1, 2, 4 and 5, the present invention provides a motorcycle inner bore processing device, which includes a fixing base 1, a drilling tool 2, a drilling tool fixing component 3 and a clamping component 4; the camshaft 5 slides with the drilling tool fixing component 3 through the clamping component 4, and the drilling tool 2 is arranged on the drilling tool fixing component 3; the drilling tool fixing component 3 is arranged on the fixing base 1; the clamping assembly 4 comprises a clamping base 41, a supporting base 42 and a clamping block 43, wherein the clamping base 41 is arranged on the fixing base 1, the supporting base 42 is fixedly connected with the clamping base 41 and is positioned on one side of the clamping base 41, and the clamping block 43 is fixedly connected with the clamping base 41 and is positioned on one side of the supporting base 42, wherein the clamping base 41 is close to the supporting base 42.
In the present embodiment, the clamping assembly 4 includes a clamping base 41, a supporting base 42 and a clamping block 43, the clamping block 43 is welded and fixed with the clamping base 41 and is located on one side of the clamping base 41 close to the camshaft 5, the supporting base 42 is welded and fixed with the clamping base 41 and is located on one side of the clamping base 41 close to the clamping block 43, the camshaft 5 is fixed on the clamping base 41 through the clamping block 43 and the supporting base 42, because the clamping base 41 is slidably connected with the fixed base 1, the clamping base 41 can slide vertically on the fixed base 1, so the camshaft 5 can slide vertically with the fixed base 1 through the clamping assembly 4, the drilling tool 2 is disposed on the fixed assembly 3, the fixed assembly 3 is disposed on the fixed base 1, the drilling tool 2 can slide transversely on the fixing base 1 through the drilling tool fixing component 3, and the relative position of the camshaft 5 and the drilling tool 2 is changed through sliding the clamping base 41 on the fixing base 1, so that inner hole machining is not needed manually, and the machining precision of holes and the relative position precision of each hole are improved.
Further, referring to fig. 5, the clamping block 43 has a clamping hole 431, and the clamping hole 431 penetrates through the clamping block 43 and is matched with the camshaft 5.
In the present embodiment, the clamping hole 431 penetrates the clamping block 43 and is located on the side of the clamping block 43 close to the camshaft 5, and the diameter of the clamping hole 431 is larger than that of the camshaft 5, so that the camshaft 5 can pass through the clamping hole 431, and the camshaft 5 can be placed at a fixed position, and the clamping block 43 can fix the camshaft 5 at a fixed height through the clamping hole 431.
Further, referring to fig. 5, the clamping block 43 further has a bolt hole 432; the clamping assembly 4 further comprises a locking bolt 44, and the bolt hole 432 is matched with the locking bolt 44.
In this embodiment, the bolt hole 432 is located on a side of the clamping block 43 near the clamping hole 431, the locking bolt 44 can be screwed into the clamping hole 431 in cooperation with the bolt hole 432, and the locking bolt 44 and the camshaft 5 in the clamping hole 431 are mutually abutted through the bolt hole 432, so that the camshaft 5 is locked.
Further, referring to fig. 1 to 4, the drilling tool fixing assembly 3 includes a drilling tool fixing seat 31, a drilling tool moving seat 32 and a first cylinder 33, wherein the drilling tool fixing seat 31 is fixedly connected with the fixing base 1 and is located at one side of the fixing base 1; the drilling tool moving seat 32 is connected with the drilling tool fixing seat 31 in a sliding manner and is positioned on one side of the drilling tool fixing seat 31 far away from the fixed base 1; the first air cylinder 33 is fixedly connected with the fixed base 1 and is positioned at one side of the fixed base 1 close to the drilling tool fixed seat 31, and the output end of the first air cylinder 33 is connected with the drilling tool moving seat 32.
In this embodiment, the drilling tool fixing seat 31 with unable adjustment base 1 welded fastening, and be located unable adjustment base 1 one side, the drilling tool remove the seat 32 with drilling tool fixing seat 31 sliding connection, and be located drilling tool fixing seat 31 keeps away from one side of unable adjustment base 1, first cylinder 33 with unable adjustment base 1 welded fastening, and be located unable adjustment base 1 is close to one side of drilling tool fixing seat 31, the output of first cylinder 33 with drilling tool removes seat 32 welded fastening, through first cylinder 33, make drilling tool remove the seat 32 can slide on the drilling tool fixing seat 31, realized drilling tool 2 with the change of 5 relative positions of camshaft to need not the manual work just can make drilling tool 2 processes by oneself, has improved the precision of processing.
Further, referring to fig. 3 and 4, the drill fixing seat 31 has a first T-shaped slot 311, and the first T-shaped slot 311 is located on one side of the drill fixing seat 31 close to the drill moving seat 32; the drilling tool moving seat 32 is provided with a first T-shaped protrusion 321, the first T-shaped protrusion 321 is positioned on one side of the drilling tool moving seat 32 close to the drilling tool fixing seat 31, and the first T-shaped protrusion 321 is matched with the first T-shaped groove 311.
In this embodiment, the first T-shaped groove 311 is matched with the first T-shaped protrusion 321, so that the drill moving seat 32 can slide on the drill fixing seat 31 in the transverse direction without displacement in other directions, the drill 2 is connected with the drill fixing seat 31 through a bolt, and the first T-shaped groove 311 and the first T-shaped protrusion 321 improve the precision of the drill moving seat 32 during movement, improve the precision of the drill 2 during movement, and improve the machining precision of the camshaft 5.
Further, referring to fig. 4, the holding base 41 has a second T-shaped slot 411, and the second T-shaped slot 411 is located on one side of the holding base 41 close to the fixing base 1; the fixing base 1 is provided with a second T-shaped protrusion 11, the second T-shaped protrusion 11 is located on one side of the fixing base 1 close to the clamping base 41, and the second T-shaped protrusion 11 is matched with the second T-shaped groove 411.
In this embodiment, the second T-shaped slot 411 is matched with the second T-shaped protrusion 11, so that the clamping base 41 can slide vertically on the fixing base 1 without displacement in other directions, the camshaft 5 is fixedly connected with the clamping base 41 through the clamping block 43 and the supporting seat 42, and the precision of the drilling tool moving seat 32 during moving is improved through the second T-shaped slot 411 and the second T-shaped protrusion 11, the precision of the camshaft 5 during moving is also improved, and the machining precision of the camshaft 5 is improved.
Further, referring to fig. 1, fig. 2 and fig. 4, the device for machining an inner hole of a camshaft of a motorcycle further includes a second cylinder 6, and the second cylinder 6 is fixedly connected to the fixing base 41 and is located on a side of the fixing base 1 away from the first cylinder 33.
In this embodiment, the second cylinder 6 with unable adjustment base 1 fixed connection, through the work of second cylinder 6, drive unable adjustment base 1 can vertical slip is carried out on the centre gripping base 41, unable adjustment base 1 drives and carries out vertical slip rather than welded fastening's drilling tool fixing base 31, drilling tool fixing base 31 drives rather than sliding connection the drilling tool removes seat 32 and carries out vertical slip, the drilling tool removes seat 32 and drives rather than through bolted connection the drilling tool 2 carries out vertical slip, thereby makes drilling tool 2 with camshaft 5's relative position changes, does not need manual operation just to make drilling tool 2 carries out vertical slip, thereby has promoted the precision of processing.
Further, referring to fig. 1 and 2, the device for machining the inner hole of the camshaft of the motorcycle further includes a guide pipe support frame 7 and a coolant guide pipe 8, the guide pipe support frame 7 is fixedly connected with the fixed base 1 and is located on one side of the fixed base 1 close to the first cylinder 33, and the coolant guide pipe 8 is arranged on the guide pipe support frame 7.
In the embodiment, the pipe support frame 7 with unable adjustment base 1 welded fastening, and be located unable adjustment base 1 is close to one side of first cylinder 33, coolant pipe 8 is around establishing on pipe support frame 7, when processing camshaft 5, the overheated condition of drill bit can take place, leads to work piece deformation or drill bit deformation, through coolant pipe 8, spouts the coolant through the water pump in the drill bit position, makes the temperature reduce, has realized avoiding the overheated condition of deformation of work piece and drill bit.
The utility model discloses a motorcycle camshaft inner hole processing device, which comprises a fixed base 1, a drilling tool 2, a drilling tool fixing component 3 and a clamping component 4; the camshaft 5 slides with the drilling tool fixing component 3 through the clamping component 4, and the drilling tool 2 is arranged on the drilling tool fixing component 3; the drilling tool fixing component 3 is arranged on the fixed base 1; the clamping assembly 4 comprises a clamping base 41, a supporting base 42 and a clamping block 43, wherein the clamping base 41 is arranged on the fixed base 1, the supporting base 42 is fixedly connected with the clamping base 41 and is positioned on one side of the clamping base 41, and the clamping block 43 is fixedly connected with the clamping base 41 and is positioned on one side of the clamping base 41 close to the supporting base 42; through centre gripping subassembly 4 with camshaft 5 fixed, drilling tool 2 sets up on drilling tool fixed subassembly 3, through the drive of drilling tool fixed subassembly 3, makes drilling tool 2 can move towards camshaft 5 direction to the realization replaces the manual work by the machine and is in carry out the processing in hole on camshaft 5, has promoted the precision in hole and the relative position in hole.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.
Claims (8)
1. A motorcycle camshaft inner hole processing device is characterized by comprising a fixed base, a drilling tool fixing assembly and a clamping assembly;
the camshaft slides with the drilling tool fixing assembly through the clamping assembly, and the drilling tool is arranged on the drilling tool fixing assembly;
the drilling tool fixing assembly is arranged on the fixing base;
the clamping assembly comprises a clamping base, a supporting base and a clamping block, the clamping base is arranged on the fixed base, the supporting base is fixedly connected with the clamping base and is located on one side of the clamping base, and the clamping block is fixedly connected with the clamping base and is located on one side of the clamping base, which is close to the supporting base.
2. A motorcycle camshaft inner bore processing device as claimed in claim 1,
the clamping block is provided with a clamping hole, and the clamping hole penetrates through the clamping block and is matched with the camshaft.
3. A motorcycle camshaft inner bore processing device as claimed in claim 1,
the clamping block is also provided with a bolt hole; the clamping assembly further comprises a locking bolt, and the bolt hole is matched with the locking bolt.
4. A motorcycle camshaft inner bore processing device as claimed in claim 1,
the drilling tool fixing assembly comprises a drilling tool fixing seat, a drilling tool moving seat and a first air cylinder, and the drilling tool fixing seat is fixedly connected with the fixing base and is positioned on one side of the fixing base; the drilling tool moving seat is connected with the drilling tool fixing seat in a sliding mode and is positioned on one side, away from the fixing base, of the drilling tool fixing seat; the first air cylinder is fixedly connected with the fixed base and is positioned on one side, close to the drilling tool fixed seat, of the fixed base, and the output end of the first air cylinder is connected with the drilling tool moving seat.
5. A motorcycle camshaft inner bore processing device as claimed in claim 4,
the drilling tool fixing seat is provided with a first T-shaped groove, and the first T-shaped groove is positioned on one side, close to the drilling tool moving seat, of the drilling tool fixing seat; the drilling tool moving seat is provided with a first T-shaped bulge, the first T-shaped bulge is positioned on one side, close to the drilling tool fixing seat, of the drilling tool moving seat, and the first T-shaped bulge is matched with the first T-shaped groove.
6. A motorcycle camshaft inner bore processing device as claimed in claim 1,
the clamping base is provided with a second T-shaped groove, and the second T-shaped groove is positioned on one side, close to the fixed base, of the clamping base; the fixing base is provided with a second T-shaped bulge, the second T-shaped bulge is positioned on one side, close to the clamping base, of the fixing base, and the second T-shaped bulge is matched with the second T-shaped groove.
7. A motorcycle camshaft inner bore processing device as claimed in claim 1,
the motorcycle camshaft inner hole machining device further comprises a second cylinder, wherein the second cylinder is fixedly connected with the clamping base and is positioned on one side, far away from the clamping block, of the clamping base.
8. A motorcycle camshaft inner bore processing device as claimed in claim 4,
the motorcycle camshaft inner hole machining device further comprises a guide pipe support frame and a coolant guide pipe, the guide pipe support frame is fixedly connected with the fixed base and is located on one side, close to the first cylinder, of the fixed base, and the coolant guide pipe is arranged on the guide pipe support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122520361.7U CN216028241U (en) | 2021-10-19 | 2021-10-19 | Motorcycle camshaft hole processingequipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122520361.7U CN216028241U (en) | 2021-10-19 | 2021-10-19 | Motorcycle camshaft hole processingequipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216028241U true CN216028241U (en) | 2022-03-15 |
Family
ID=80609914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122520361.7U Active CN216028241U (en) | 2021-10-19 | 2021-10-19 | Motorcycle camshaft hole processingequipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216028241U (en) |
-
2021
- 2021-10-19 CN CN202122520361.7U patent/CN216028241U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231114 Address after: 402760 No. 8 Lushan Branch Road, Biquan Street, Bishan District, Chongqing (Factory Building 1) Patentee after: Chongqing Hujiang Machinery Co.,Ltd. Address before: 402760 magnesium aluminum Road, Xinsheng village, Biquan street, Bishan District, Chongqing Patentee before: Chongqing zonghu Machinery Co.,Ltd. |
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| TR01 | Transfer of patent right |