CN216657195U - Drilling equipment is used in gear production - Google Patents
Drilling equipment is used in gear production Download PDFInfo
- Publication number
- CN216657195U CN216657195U CN202220040405.8U CN202220040405U CN216657195U CN 216657195 U CN216657195 U CN 216657195U CN 202220040405 U CN202220040405 U CN 202220040405U CN 216657195 U CN216657195 U CN 216657195U
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- processing
- gear
- rod
- groove
- plate
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- 238000005553 drilling Methods 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 238000009434 installation Methods 0.000 claims abstract description 8
- 239000002173 cutting fluid Substances 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 238000003754 machining Methods 0.000 abstract description 6
- 238000005520 cutting process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 238000001816 cooling Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model provides a drilling device for gear production, belongs to the technical field of gear machining, and is used for solving the problem that gears on the existing drilling device are inconvenient to adjust. The automatic cutting machine comprises a base plate and an upright rod fixedly installed on the base plate, wherein a processing table is installed on the base plate, a processing seat is fixed on the processing table, a processing groove is formed in the processing seat, a fixing mechanism is arranged in the processing groove, an installation seat is fixed at the side end of the processing seat, an air blower is installed on the installation seat, a first rotating motor is installed on the base plate and connected with the fixing mechanism, and a first driving motor is installed at the top of the upright rod; according to the utility model, the first rotating motor and the fixing mechanism are arranged, the first rotating motor drives the rotating disc on the fixing mechanism to rotate, so that the gear fixed on the first rotating motor is driven to rotate, the gear automatically performs conversion of processing hole sites, the gear does not need to be manually disassembled to perform position adjustment, the adjustment is convenient, the manpower consumption is saved, and the processing efficiency is high.
Description
Technical Field
The utility model belongs to the technical field of gear machining, relates to a drilling device, and particularly relates to a drilling device for gear production.
Background
The gear is a mechanical element with a gear continuously meshed on a wheel rim to transmit motion and power, the surface of the gear needs to be drilled according to use requirements during production, and the conventional drilling mode mostly adopts a drill bit to drill holes.
However, the gears on the existing drilling device are mostly fixedly placed through the fixing mechanisms, and when drilling is needed to be performed on the gears at different positions, the gears need to be manually disassembled to perform position adjustment, so that the operation is troublesome and the machining efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art, provides a drilling device for gear production, and aims to solve the technical problems that: how to design a gear drilling device convenient to adjust to improve machining efficiency.
The purpose of the utility model can be realized by the following technical scheme:
a drilling device for gear production comprises a bottom plate and a vertical rod fixedly arranged on the bottom plate, wherein a processing table is arranged on the bottom plate, a processing seat is fixed on the processing table, a processing groove is formed in the processing seat, a fixing mechanism is arranged in the processing groove, an installation seat is fixed on the side end of the processing seat, an air blower is arranged on the installation seat, a first rotating motor is arranged on the bottom plate and connected with the fixing mechanism, a first driving motor is arranged at the top of the vertical rod, a first chute is formed in the side end of the vertical rod, a first moving mechanism is arranged in the first chute, a transverse rod is arranged at the side end of the vertical rod, the first moving mechanism is connected with the transverse rod, a second driving motor is arranged at one end of the transverse rod, a second chute is formed in the side end of the transverse rod, a second moving mechanism is arranged in the second chute, a connecting plate is arranged at the side end of the transverse rod, the second moving mechanism is connected with the connecting plate, and a bearing plate is fixed at the side end of the connecting plate, the bearing plate is provided with a second rotating motor, the bottom of the bearing plate is provided with a drill clamp, the output end of the second rotating motor is connected with the drill clamp, a drill bit is arranged below the bearing plate, and the drill bit is arranged on the drill clamp.
The fixing mechanism comprises a rotating disc, a threaded rod and a fixing nut, the output end of the first rotating motor is connected with the lower end of the rotating disc, the bottom end of the threaded rod is fixedly connected with the surface of the rotating disc, and the fixing nut is in threaded connection with the threaded rod.
By adopting the structure, the threaded rod is sleeved with the gasket, the gear is sleeved on the threaded rod and then fixed through the fixing nut, and the gear is convenient to fix; through setting up first rotation motor, first rotation motor drives the rolling disc and rotates to drive gear revolve above that, can process the conversion of hole site automatically, do not need manual dismantlement gear to carry out position control, it is convenient to adjust.
The first moving mechanism comprises a first lead screw and a first sliding block, two ends of the first lead screw are rotatably connected with the first sliding groove through bearings, the first sliding block is slidably connected with the first sliding groove, the first lead screw is in threaded connection with the first sliding block, the side end of the first sliding block is connected with one side of the cross rod through a connecting block, and the output end of a first driving motor is connected with one end of the first lead screw.
By adopting the structure, the first driving motor drives the first screw rod to rotate, so that the first sliding block is driven to slide along the first sliding groove, the transverse rod is driven to move up and down, and the drill bit is convenient to drill and finish drilling.
The second moving mechanism comprises a second screw rod and a second sliding block, two ends of the second screw rod are rotatably connected with the second sliding groove through bearings, the second sliding block is slidably connected with the second sliding groove, the second screw rod is in threaded connection with the second sliding block, the side end of the second sliding block is fixed with the inner wall of the connecting plate, and the output end of a second driving motor is connected with one end of the second screw rod.
By adopting the structure, the second driving motor drives the second lead screw to rotate so as to drive the second sliding block to slide along the second sliding groove, the second sliding block slides to drive the bearing plate to move left and right, so that the left and right positions of the drill bit are adjusted, and drilling at different positions on the gear is facilitated.
The limiting groove is formed in the cross rod, the limiting plate is fixed on the connecting plate, the limiting block is fixed at the bottom of the limiting plate, and the limiting block is connected with the limiting groove in a sliding mode.
Structure more than adopting, when the loading board removed, the limiting plate passed through the stopper and slided along the spacing groove, has improved loading board mobility stability.
The cutting fluid joint is installed on the bearing plate, the cutting fluid nozzle is arranged below the bearing plate and connected with the cutting fluid joint through a hose, the liquid discharge pipe is arranged at the bottom of the processing tank, and the filter screen is installed at the inlet end of the liquid discharge pipe.
By adopting the structure, the cutting fluid joint is connected with external cutting fluid equipment, and the cutting fluid is sprayed to the position of the drill bit through the cutting fluid nozzle in the drilling operation process, so that the lubricating and cooling effects are achieved in the drilling process; the cutting waste liquid falls into the processing inslot, discharges in the collection equipment after filtering through the filter screen on the fluid-discharge tube, makes things convenient for next use.
And a baffle ring is arranged at the bottom of the rotating disc, and the bottom end of the baffle ring is fixedly connected with the processing tank.
By adopting the structure, after the cutting fluid falls into the processing tank, the cutting fluid is shielded by the baffle ring, and the cutting fluid is prevented from flowing out from the interface in the middle of the processing tank.
Compared with the prior art, the utility model has the following advantages:
1. through setting up first rotation motor and fixed establishment, first rotation motor drives fixed establishment and goes up the rotation of rotary disk to drive the gear of fixing on it and rotate, the gear is automatic processes the conversion of hole site, does not need manual dismantlement gear to carry out position control, and it is convenient to adjust, has saved the human consumption, and machining efficiency is high.
2. Through setting up the air-blower, the air-blower is bloied to gear and drill bit, can cool down gear and drill bit, and the cooling is effectual, can blow off the sweeps of drilling position department simultaneously, is convenient for observe.
3. Through setting up limiting plate, spacing groove and stopper, when the drill bit removed when moving, the limiting plate slided along the spacing groove through the stopper, has improved drill bit mobility stability.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the gear of the present invention after disassembly;
FIG. 3 is a cross-sectional view of a tool holder of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1;
in the figure: 1. a base plate; 2. erecting a rod; 3. a processing table; 4. processing a base; 5. a first rotating electric machine; 6. processing a tank; 7. a mounting seat; 8. a first drive motor; 9. a blower; 10. a first chute; 11. a first lead screw; 12. a first slider; 13. a cross bar; 14. a second chute; 15. a second lead screw; 16. a carrier plate; 17. a second drive motor; 18. a drill bit; 19. rotating the disc; 20. a threaded rod; 21. fixing a nut; 22. a second slider; 23. a connecting plate; 24. a limiting plate; 25. a limiting groove; 26. a limiting block; 27. a second rotating electric machine; 28. a cutting fluid joint; 29. a liquid discharge pipe; 30. and (4) a baffle ring.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, 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 exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-4, the embodiment provides a drilling device for gear production, comprising a bottom plate 1 and an upright rod 2 fixedly installed on the bottom plate 1, a processing table 3 is installed on the bottom plate 1, a processing seat 4 is fixed on the processing table 3, a processing groove 6 is formed on the processing seat 4, a fixing mechanism is arranged inside the processing groove 6, an installation seat 7 is fixed at the side end of the processing seat 4, an air blower 9 is installed on the installation seat 7, a first rotating motor 5 is installed on the bottom plate 1, the first rotating motor 5 is connected with the fixing mechanism, a first driving motor 8 is installed at the top of the upright rod 2, a first chute 10 is formed at the side end of the upright rod 2, a first moving mechanism is arranged inside the first chute 10, a cross rod 13 is arranged at the side end of the upright rod 2, the first moving mechanism is connected with the cross rod 13, a second driving motor 17 is installed at one end of the cross rod 13, a second chute 14 is formed at the side end of the cross rod 13, the second sliding chute 14 is internally provided with a second moving mechanism, the side end of the cross rod 13 is provided with a connecting plate 23, the second moving mechanism is connected with the connecting plate 23, the side end of the connecting plate 23 is fixedly provided with a bearing plate 16, the bearing plate 16 is provided with a second rotating motor 27, the bottom of the bearing plate 16 is provided with a drill clamp, the output end of the second rotating motor 27 is connected with the drill clamp, a drill bit 18 is arranged below the bearing plate 16, and the drill bit 18 is arranged on the drill clamp.
The fixing mechanism comprises a rotating disc 19, a threaded rod 20 and a fixing nut 21, the output end of the first rotating motor 5 is connected with the lower end of the rotating disc 19, the bottom end of the threaded rod 20 is fixedly connected with the surface of the rotating disc 19, the fixing nut 21 is in threaded connection with the threaded rod 20, firstly, a gasket is sleeved on the threaded rod 20, a gear is sleeved on the threaded rod 20, then, the fixing is carried out through the fixing nut 21, and the gear is convenient to fix; through setting up first rotation motor 5, first rotation motor 5 drives rolling disc 19 and rotates to drive its gear revolve to can carry out the conversion of processing hole site automatically, need not manual dismantlement gear and carry out position control, it is convenient to adjust.
First moving mechanism includes first lead screw 11 and first slider 12, 11 both ends of first lead screw are passed through the bearing and are rotated with first spout 10 and be connected, first slider 12 and 10 sliding connection of first spout, first lead screw 11 and 12 threaded connection of first slider, 12 sides of first slider pass through the connecting block and are connected with horizontal pole 13 one side, the output and 11 one end of first lead screw of first driving motor 8 are connected, first driving motor 8 drives first lead screw 11 and rotates, thereby it slides along first spout 10 to drive first slider 12, thereby drive horizontal pole 13 and reciprocate, make things convenient for drill bit 18 to drill and finish drilling.
The second moving mechanism comprises a second lead screw 15 and a second sliding block 22, two ends of the second lead screw 15 are rotatably connected with the second sliding groove 14 through bearings, the second sliding block 22 is slidably connected with the second sliding groove 14, the second lead screw 15 is in threaded connection with the second sliding block 22, the side end of the second sliding block 22 is fixed to the inner wall of the connecting plate 23, the output end of the second driving motor 17 is connected with one end of the second lead screw 15, the second driving motor 17 drives the second lead screw 15 to rotate, so that the second sliding block 22 is driven to slide along the second sliding groove 14, the second sliding block 22 slides to drive the bearing plate 16 to move left and right, so that the left and right positions of the drill bit 18 are adjusted, and drilling at different positions on the gear is facilitated.
The limiting groove 25 is formed in the cross rod 13, the limiting plate 24 is fixed on the connecting plate 23, the limiting block 26 is fixed at the bottom of the limiting plate 24, the limiting block 26 is connected with the limiting groove 25 in a sliding mode, and when the bearing plate 16 moves, the limiting plate 24 slides along the limiting groove 25 through the limiting block 26, so that the moving stability of the bearing plate 16 is improved.
A cutting fluid connector 28 is mounted on the bearing plate 16, a cutting fluid nozzle is arranged below the bearing plate 16 and connected with the cutting fluid connector 28 through a hose, a drain pipe 29 is arranged at the bottom of the processing tank 6, a filter screen is mounted at the inlet end of the drain pipe 29, the cutting fluid connector 28 is connected with external cutting fluid equipment, and in the drilling operation process, cutting fluid is sprayed to the position of the drill bit 18 through the cutting fluid nozzle, so that the lubricating and cooling effects are achieved in the drilling process; the cutting waste liquid falls into the processing tank 6, is discharged into the collecting device after being filtered by the filter screen on the liquid discharge pipe 29, and is convenient to use next time.
The bottom of the rotating disc 19 is provided with a baffle ring 30, the bottom end of the baffle ring 30 is fixedly connected with the processing tank 6, and after the cutting fluid falls into the processing tank 6, the cutting fluid is shielded by the baffle ring 30, so that the cutting fluid is prevented from flowing out from a connector in the middle of the processing tank 6.
In the present embodiment, the fixing means are all the most commonly used fixing connection means in the field, such as welding, bolt connection, etc.
The working principle of the utility model is as follows: when the drilling tool is used, firstly, the gasket is sleeved on the threaded rod 20 in the machining groove 6, then, the gear is sleeved on the threaded rod 20, the fixing nut 21 is screwed on to fix the gear, after the gear is fixed, the second driving motor 17 is started, the second driving motor 17 drives the second screw rod 15 to rotate, so that the second slide block 22 is driven to slide along the second sliding groove 14, the left and right positions of the drill bit 18 can be adjusted, after the position of the drill bit 18 is adjusted, the first driving motor 8 and the second rotating motor 27 are started, the first driving motor 8 electrically drives the first screw rod 11 to rotate, so that the first slide block 12 is driven to slide downwards along the first sliding groove 10, the first slide block 12 slides to drive the cross rod 13 to move downwards, the cross rod 13 moves downwards to drive the drill bit 18 to move downwards, the second rotating motor 27 drives the drill bit 18 to rotate, the rotating drill bit 18 performs drilling operation on the gear, drilling is convenient, cutting fluid is sprayed to the drill bit 18 through the cutting fluid spray head in the drilling process, the lubricating and cooling effects are achieved during the drilling process; when needs punch at other positions of gear, start first rotation motor 5, first rotation motor 5 drives rolling disc 19 and rotates to drive the gear of placing on it and rotate, the gear is automatic to be processed the conversion of hole site, does not need manual dismantlement gear to carry out position control, and it is convenient to adjust, after gear revolve to suitable position, closes first rotation motor 5, and start first driving motor 8 once more, and drilling can be accomplished to repeated above-mentioned step.
The in-process of drilling starts air-blower 9, blows to gear and drill bit 18 through air-blower 9, can cool down gear and drill bit 18, and the cooling is effectual, can blow off the sweeps of drilling position department simultaneously, is convenient for observe.
In conclusion, by arranging the first rotating motor 5 and the fixing mechanism, the first rotating motor 5 drives the rotating disc 19 on the fixing mechanism to rotate, so as to drive the gear fixed on the fixing mechanism to rotate, the gear automatically carries out the conversion of processing hole sites, the gear does not need to be manually disassembled to carry out position adjustment, the adjustment is convenient, the labor consumption is saved, and the processing efficiency is high; by arranging the blower 9, the blower 9 blows air to the gear and the drill bit 18, so that the gear and the drill bit 18 can be cooled, the cooling effect is good, and meanwhile, scraps at the drilling position can be blown off, and the observation is convenient; through setting up limiting plate 24, spacing groove 25 and stopper 26, when the drill bit 18 moved about, limiting plate 24 slided along spacing groove 25 through stopper 26, has improved drill bit 18 mobility stability.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (7)
1. The utility model provides a drilling equipment is used in gear production, includes bottom plate (1) and pole setting (2) of fixed mounting on bottom plate (1), its characterized in that: the processing device is characterized in that a processing table (3) is installed on a bottom plate (1), a processing seat (4) is fixed on the processing table (3), a processing groove (6) is formed in the processing seat (4), a fixing mechanism is arranged in the processing groove (6), an installation seat (7) is fixed at the side end of the processing seat (4), an air blower (9) is installed on the installation seat (7), a first rotating motor (5) is installed on the bottom plate (1), the first rotating motor (5) is connected with the fixing mechanism, a first driving motor (8) is installed at the top of a vertical rod (2), a first sliding groove (10) is formed at the side end of the vertical rod (2), a first moving mechanism is arranged in the first sliding groove (10), a cross rod (13) is arranged at the side end of the vertical rod (2), the first moving mechanism is connected with the cross rod (13), a second driving motor (17) is installed at one end of the cross rod (13), a second sliding groove (14) is formed at the side end of the cross rod (13), the second sliding groove (14) is internally provided with a second moving mechanism, the side end of the cross rod (13) is provided with a connecting plate (23), the second moving mechanism is connected with the connecting plate (23), the side end of the connecting plate (23) is fixedly provided with a bearing plate (16), a second rotating motor (27) is installed on the bearing plate (16), a drill bit clamp is installed at the bottom of the bearing plate (16), the output end of the second rotating motor (27) is connected with the drill bit clamp, a drill bit (18) is arranged below the bearing plate (16), and the drill bit (18) is installed on the drill bit clamp.
2. The drilling device for gear production according to claim 1, wherein the fixing mechanism comprises a rotating disc (19), a threaded rod (20) and a fixing nut (21), the output end of the first rotating motor (5) is connected with the lower end of the rotating disc (19), the bottom end of the threaded rod (20) is fixedly connected with the surface of the rotating disc (19), and the fixing nut (21) is in threaded connection with the threaded rod (20).
3. The drilling device for gear production according to claim 1, wherein the first moving mechanism comprises a first screw rod (11) and a first sliding block (12), two ends of the first screw rod (11) are rotatably connected with the first sliding groove (10) through bearings, the first sliding block (12) is slidably connected with the first sliding groove (10), the first screw rod (11) is in threaded connection with the first sliding block (12), the side end of the first sliding block (12) is connected with one side of the cross rod (13) through a connecting block, and the output end of the first driving motor (8) is connected with one end of the first screw rod (11).
4. The drilling device for gear production according to claim 1, wherein the second moving mechanism comprises a second screw rod (15) and a second sliding block (22), two ends of the second screw rod (15) are rotatably connected with the second sliding groove (14) through bearings, the second sliding block (22) is slidably connected with the second sliding groove (14), the second screw rod (15) is in threaded connection with the second sliding block (22), the side end of the second sliding block (22) is fixed with the inner wall of the connecting plate (23), and the output end of the second driving motor (17) is connected with one end of the second screw rod (15).
5. The drilling device for gear production according to claim 4, wherein the cross rod (13) is provided with a limiting groove (25), the connecting plate (23) is fixed with a limiting plate (24), the bottom of the limiting plate (24) is fixed with a limiting block (26), and the limiting block (26) is slidably connected with the limiting groove (25).
6. The drilling device for gear production according to claim 1, wherein the bearing plate (16) is provided with a cutting fluid connector (28), a cutting fluid nozzle is arranged below the bearing plate (16) and connected with the cutting fluid connector (28) through a hose, a drain pipe (29) is arranged at the bottom of the processing tank (6), and a filter screen is arranged at the inlet end of the drain pipe (29).
7. The drilling device for gear production according to claim 2, wherein a baffle ring (30) is arranged at the bottom of the rotating disc (19), and the bottom end of the baffle ring (30) is fixedly connected with the processing groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220040405.8U CN216657195U (en) | 2022-01-06 | 2022-01-06 | Drilling equipment is used in gear production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220040405.8U CN216657195U (en) | 2022-01-06 | 2022-01-06 | Drilling equipment is used in gear production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216657195U true CN216657195U (en) | 2022-06-03 |
Family
ID=81759233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220040405.8U Active CN216657195U (en) | 2022-01-06 | 2022-01-06 | Drilling equipment is used in gear production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216657195U (en) |
-
2022
- 2022-01-06 CN CN202220040405.8U patent/CN216657195U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231215 Address after: No. 18, Lingkan Community, Zhou'an Village, Hengtanggang Township, Jin'an District, Lu'an City, Anhui Province, 237000 Patentee after: Golden Belt Tea Planting Professional Cooperative in Jin'an District, Lu'an City Address before: Huaihe Road, 237000 centralized demonstration park of undertaking industrial transfer in Lu'an City, Anhui Province Patentee before: Lu'an Precision Gear Co.,Ltd. |
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| TR01 | Transfer of patent right |