CN204687108U - The drilling equipment of the spherical jade of a kind of modified - Google Patents
The drilling equipment of the spherical jade of a kind of modified Download PDFInfo
- Publication number
- CN204687108U CN204687108U CN201520234107.2U CN201520234107U CN204687108U CN 204687108 U CN204687108 U CN 204687108U CN 201520234107 U CN201520234107 U CN 201520234107U CN 204687108 U CN204687108 U CN 204687108U
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- jade
- motor
- rotating shaft
- rotating disk
- main turntable
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Abstract
The utility model discloses the drilling equipment of the spherical jade of a kind of modified, comprise frame, main turntable, secondary rotating disk, the main drive be connected with main turntable, the auxiliary transmission be connected with secondary rotating disk, for driving the mair motor of main drive work, for driving the auxiliary-motor of auxiliary transmission work, for the boring assemblies to jade boring work, the 3rd transmission device be connected with boring assemblies, described main turntable and secondary rotating disk are in being arranged side by side and being installed in rotation in frame, the rotation direction of described main turntable and secondary rotating disk is contrary, described main turntable is formed with multiple main circular groove, described secondary rotating disk is formed with multiple secondary circular groove, described main circular groove and secondary circular groove coordinate at the tangency location place of main turntable and secondary rotating disk the clamping section be formed with for clamping jade.The utility model effectively can ensure the drilling quality of jade, increases substantially working (machining) efficiency.
Description
Technical field
The utility model belongs to jade manufacture field, is specifically related to the drilling equipment of the spherical jade of a kind of modified.
Background technology
Jade be time immemorial people utilize select building stones fabrication tools reach in the process of tens thousand of years, through the special ore of one of having a social nature of confirming of screening and jewellery.
Along with improving constantly of people's living standard, jade is more and more subject to liking of people.Especially like holing to spherical jade, then pass cavity by exquisite rope part, jade is suspended on somewhere and does decoration use.
At present, be generally, by the mode of craft, Drilling operation is carried out to jade, make the jade after holing second-rate, and the efficiency of processing be not high yet.
Utility model content
For the deficiencies in the prior art, the utility model object is intended to the drilling equipment providing the spherical jade of a kind of modified, effectively can ensure the drilling quality of jade, increase substantially working (machining) efficiency.
For achieving the above object, the utility model adopts following technical scheme:
The drilling equipment of the spherical jade of a kind of modified, comprise frame, main turntable, secondary rotating disk, the main drive be connected with main turntable, the auxiliary transmission be connected with secondary rotating disk, for driving the mair motor of main drive work, for driving the auxiliary-motor of auxiliary transmission work, for the boring assemblies to jade boring work, the 3rd transmission device be connected with boring assemblies, described main turntable and secondary rotating disk are in being arranged side by side and being installed in rotation in frame, the rotation direction of described main turntable and secondary rotating disk is contrary, described main turntable is formed with multiple main circular groove, described secondary rotating disk is formed with multiple secondary circular groove, described main circular groove and secondary circular groove coordinate at the tangency location place of main turntable and secondary rotating disk the clamping section be formed with for clamping jade,
Described 3rd transmission device comprises the 3rd motor, set casing, screw rod, pushing set, resistance rotary device for stoping pushing set to rotate, described set casing is arranged on the 3rd motor, described screw rod is positioned at set casing and is connected with the output shaft of the 3rd motor, described pushing set is threaded with screw rod, and described pushing set is connected with boring assemblies.
Preferably, described main drive and auxiliary transmission are identical structure, described main drive comprises flywheel, connecting rod, gearbox, first rotating shaft, second rotating shaft, first gear, described connecting rod is connected between flywheel sidewall and the first rotating shaft, described first gear is arranged on the first rotating shaft, described second rotating shaft is arranged on main turntable, the output shaft of described gearbox is connected with the second rotating shaft, the power shaft of described gearbox is provided with the second gear be meshed with the first gear, the flywheel of described main drive is driven by mair motor, the flywheel of described auxiliary transmission is driven by auxiliary-motor.
Preferably, described boring assemblies comprises the slip cap, the fairlead for leading to slip cap that are connected with pushing set, described slip cap is provided with motor, the output shaft of described motor is connected with helical tooth blade.
Preferably, the tangency location place that described frame is corresponding to main turntable and secondary rotating disk offers the first cavity, and the top of described first cavity offers the second cavity, described slip cap is provided with the catch bar for jade being pushed to the second cavity.
Preferably, described slip cap is provided with the first inserting rod and the second inserting rod, described main turntable offers the first plug-in opening for the first inserting rod plug-in mounting, described secondary rotating disk offers the second plug-in opening for the second inserting rod plug-in mounting.
Preferably, described drilling equipment also comprises the sanding apparatus for polishing jade two ends, described sanding apparatus comprises the 3rd rotating shaft, for driving the 4th motor of the 3rd rotating shaft work, the rotation abrasive disc be arranged on the 3rd rotating shaft, the quantity of described rotation abrasive disc is two, and the peripheral edge portion of described main turntable rotates between abrasive disc at these two.
Preferably, described mair motor is arranged on the first bearing, and described auxiliary-motor is arranged on the second bearing, and described 3rd motor is arranged on three abutments, and described 4th motor is arranged on the 4th bearing.
Preferably, described second interior of rotating shaft is evenly placed with multiple water channel, described water channel extends along the radial direction of the second rotating shaft, being connected in turn end to end of each water channel is through, form a bending water channel, the two ends of this bending water channel are formed with water inlet and delivery port respectively at the sidewall of the second rotating shaft.
Preferably, described resistance rotary device comprises the stationary magazine creel be sleeved in pushing set, the screw be inserted on stationary magazine creel, described pushing set is formed with the first chute of the end head plug-in mounting for screw.
Preferably, described resistance rotary device also comprises the guide pillar be arranged in pushing set, described set casing is formed with the second chute of the end head plug-in mounting for guide pillar.
The utility model beneficial effect is:
The utility model is by the setting of said structure, jade can be placed in main circular groove, the rotation of main turntable is driven by main drive, jade is turned to main turntable and the tangent position of secondary rotating disk, then the rotation of secondary rotating disk is driven by auxiliary transmission, adjust the position of secondary rotating disk, jade can be clamped under the cooperation of main circular groove and secondary circular groove, moving forward and backward then by the accurate keyhole assembly of the 3rd transmission device, make boring assemblies can carry out boring process to jade accurately, whole process of the present utility model all adopts mechanization process, effectively can ensure the drilling quality of jade, increase substantially working (machining) efficiency, simultaneously, slip cap is provided with the first inserting rod and the second inserting rod, main turntable offers the first plug-in opening for the first inserting rod plug-in mounting, secondary rotating disk offers the second plug-in opening for the second inserting rod plug-in mounting, when needs are holed to jade, first inserting rod can be inserted in the first plug-in opening, second inserting rod can be inserted in the second plug-in opening, there is the phenomenon of main turntable and secondary dial rotation when can effectively prevent boring assemblies from holing to jade like this, ensure that the drilling effect to jade preferably, in addition, drilling equipment also comprises the sanding apparatus for polishing jade two ends, under the effect of sanding apparatus, can first polish to the two ends of jade, hole again after polishing, the drilling effect of jade can be increased further, but also the aesthetics of jade can be improved.
Accompanying drawing explanation
Fig. 1 is schematic front view of the present utility model;
Fig. 2 is the decomposition texture schematic diagram of the 3rd transmission device of the present utility model;
Fig. 3 is operation principle schematic diagram of the present utility model;
Fig. 4 is the side view of boring assemblies of the present utility model.
Wherein, 1, frame; 2, main turntable; 3, secondary rotating disk; 4, abrasive disc is rotated; 5, the 3rd rotating shaft; 6, the 4th motor; 7, the second gear; 8, the first gear; 9, connecting rod; 10, mair motor; 11, flywheel; 12, set casing; 13, the 3rd motor; 14, auxiliary-motor; 15, screw rod; 16, the first rotating shaft; 17, the second inserting rod; 18, the first inserting rod; 19, the second rotating shaft; 20, fairlead; 21, slip cap; 22, gearbox; 23, the first plug-in opening; 24, the second plug-in opening; 25, secondary circular groove; 26, main circular groove; 27, jade; 28, feedboard; 29, spacing collar; 30, helical tooth blade; 31, catch bar; 32, the first cavity; 33, the second cavity; 34, motor; 35, the second bearing; 36, the first bearing; 37, the 4th bearing; 38, three abutments; 39, stationary magazine creel; 40, pushing set; 41, guide pillar; 42, the second chute; 43, the first chute; 44, screw.
Detailed description of the invention
Below, by reference to the accompanying drawings and detailed description of the invention, the utility model is described further:
As Figure 1-4, for the drilling equipment of the spherical jade of a kind of modified of the present utility model, comprise frame 1, main turntable 2, secondary rotating disk 3, the main drive be connected with main turntable 2, the auxiliary transmission be connected with secondary rotating disk 3, for driving the mair motor 10 of main drive work, for driving the auxiliary-motor 14 of auxiliary transmission work, for the boring assemblies of work of holing to jade 27, the 3rd transmission device be connected with boring assemblies, described main turntable 2 and secondary rotating disk 3 are in being arranged side by side and being installed in rotation in frame 1, the rotation direction of described main turntable 2 and secondary rotating disk 3 is contrary, described main turntable 2 is formed with multiple main circular groove 26, described secondary rotating disk 3 is formed with multiple secondary circular groove 25, described main circular groove 26 and secondary circular groove 25 coordinate at the tangency location place of main turntable 2 and secondary rotating disk 3 clamping section be formed with for clamping jade 27,
Described 3rd transmission device comprises the 3rd motor 13, set casing 12, screw rod 15, pushing set 40, resistance rotary device for stoping pushing set 40 to rotate, described set casing 12 is arranged on the 3rd motor 13, described screw rod 15 is positioned at set casing 12 and is connected with the output shaft of the 3rd motor 13, described pushing set 40 is threaded with screw rod 15, and described pushing set 40 is connected with boring assemblies.
The operation principle of the 3rd transmission device is: by starting the 3rd motor 13, drives the rotation of screw rod 15, then drives the transverse shifting of pushing set 40, and then drives the transverse shifting of boring assemblies.By controlling the rotating speed of the 3rd motor 13 accurately, the transverse shifting distance of pushing set 40 can be controlled accurately, thus the transverse shifting distance of keyhole assembly accurately.
Jade 27 can be placed in main circular groove 26 by the present embodiment, the rotation of main turntable 2 is driven by main drive, jade 27 is turned to main turntable 2 and the tangent position of secondary rotating disk 3, then the rotation of secondary rotating disk 3 is driven by auxiliary transmission, adjust the position of secondary rotating disk 3, jade 27 can be clamped under the cooperation of main circular groove 26 and secondary circular groove 25, then just can carry out boring to jade 27 by boring assemblies and process.
Preferably, described main drive and auxiliary transmission are identical structure, described main drive comprises flywheel 11, connecting rod 9, gearbox 22, first rotating shaft 16, second rotating shaft 19, first gear 8, described connecting rod 9 is connected between flywheel 11 sidewall and the first rotating shaft 16, described first gear 8 is arranged on the first rotating shaft 16, described second rotating shaft 19 is arranged on main turntable 2, the output shaft of described gearbox 22 is connected with the second rotating shaft 19, the power shaft of described gearbox 22 is provided with the second gear 7 be meshed with the first gear 8; The flywheel 11 of described main drive is driven by mair motor 10, and the flywheel 11 of described auxiliary transmission is driven by auxiliary-motor 14.
The operation principle of main drive of the present utility model is: by the rotary work of mair motor 10 flywheel driven 11, thus drive the motion of connecting rod 9, drive the rotation of the first rotating shaft 16 again, drive the rotation of the first gear 8 and the second gear 7 again, drive the work of gearbox 22 again, and then drive the rotation of the second rotating shaft 19, finally drive the rotary work of main turntable 2.
Preferably, described boring assemblies comprise be connected with pushing set 40 slip cap 21, for the fairlead 20 that leads of slip cap 21, described slip cap 21 is provided with motor 34, the output shaft of described motor 34 is connected with helical tooth blade 30.Slip cap 21 can under the drive of pushing set 40, can towards away from or do back and forth movement near the direction of main turntable 2, fairlead 20 can play guiding to the back and forth movement of slip cap 21, the motor 34 be arranged on slip cap 21 can drive the rotary work of helical tooth blade 30, and helical tooth blade 30 can be holed to jade 27.
Preferably, the tangency location place that described frame 1 is corresponding to main turntable 2 and secondary rotating disk 3 offers the first cavity 32, the top of described first cavity 32 offers the second cavity 33, described slip cap 21 is provided with the catch bar 31 for jade 27 being pushed to the second cavity 33.The setting of the first cavity 32, the useless jade material after helical tooth blade 30 pairs of jades 27 can be facilitated to hole discharges from the first cavity 32.After boring assemblies is holed to jade 27, be rotated further main turntable 2 and secondary rotating disk 3 one angles, when second jade 27 is turned to main turntable 2 and the tangent position of secondary rotating disk 3, again pass through boring assemblies, second jade 27 is holed, push first jade 27 to second cavity 33 by catch bar 31 simultaneously, so just continuously can carry out boring work to jade 27.
Preferably, described slip cap 21 is provided with the first inserting rod 18 and the second inserting rod 17, described main turntable 2 offers the first plug-in opening 23 for the first inserting rod 18 plug-in mounting, described secondary rotating disk 3 offers the second plug-in opening 24 for the second inserting rod 17 plug-in mounting.When needs are holed to jade 27, first inserting rod 18 can be inserted in the first plug-in opening 23, second inserting rod 17 can be inserted in the second plug-in opening 24, there is the phenomenon of main turntable 2 and secondary rotating disk 3 rotation when can effectively prevent boring assemblies from holing to jade 27 like this, ensure that the drilling effect to jade 27 preferably.
Preferably, described drilling equipment also comprises the sanding apparatus for polishing jade 27 two ends, described sanding apparatus comprises the 3rd rotating shaft 5, for driving the 4th motor 6, the rotation abrasive disc 4 be arranged on the 3rd rotating shaft 5 of the 3rd rotating shaft 5 work, the quantity of described rotation abrasive disc 4 is two, and the peripheral edge portion of described main turntable 2 rotates between abrasive disc 4 at these two.Under the effect of sanding apparatus, first can polish to the two ends of jade 27, hole again after polishing, the drilling effect of jade 27 can be increased further, but also the aesthetics of jade 27 can be improved.Its concrete course of work is: the rotation being driven the 3rd rotating shaft 5 by the 4th motor 6, thus the rotation of driven rotary abrasive disc 4, and the peripheral edge portion of main turntable 2 rotates between abrasive disc 4 at these two, grinding process can be carried out to the two ends of jade 27 preferably.
Preferably, described main turntable 2 is provided with feedboard 28, the edge of described main turntable 2 is provided with spacing collar 29.The setting of feedboard 28 can facilitate putting into of jade 27, and jade 27 can firmly be placed in main circular groove 26 by the setting of spacing collar 29, facilitates the work at sanding apparatus polishing jade 27 two ends.When actual fabrication, spacing collar 29 can be arranged on the part edge place of main turntable 2, can be extend to tangent place close to main turntable 2 and secondary rotating disk 3 from feedboard 28, facilitate the cooperation clamping work of main circular groove 26 and secondary circular groove 25 like this.
Preferably, described mair motor 10 is arranged on the first bearing 36, and described auxiliary-motor 14 is arranged on the second bearing 35, and described 3rd motor 13 is arranged on three abutments 38, and described 4th motor 6 is arranged on the 4th bearing 37.Under the effect of the first bearing 36, second bearing 35, three abutments 38, the 4th bearing 37, facilitate the installment work of each motor.
Preferably, described second rotating shaft 19 inner homogeneous is placed with multiple water channel (not shown), described water channel extends along the radial direction of the second rotating shaft 19, being connected in turn end to end of each water channel is through, form a bending water channel, the two ends of this bending water channel are formed with water inlet and delivery port respectively at the sidewall of the second rotating shaft 19.By these through water channels that is connected in turn end to end, effectively can reduce the temperature in the second rotating shaft 19, thus extend the service life of the second rotating shaft 19.Its concrete operation principle is: the second rotating shaft 19 is after High Rotation Speed a period of time, a large amount of heats will be produced, now can pass into cooling fluid from water inlet, this cooling fluid is successively through these through water channels that is connected in turn end to end, finally flow out from water outlet, also the heat in the second rotating shaft 19 is taken out of together while flowing out, thus reduce the temperature in the second rotating shaft 19.
Preferably, described resistance rotary device comprises the stationary magazine creel 39 be sleeved in pushing set 40, the screw 44 be inserted on stationary magazine creel 39, described pushing set 40 is formed with the first chute 43 of the end head plug-in mounting for screw 44.
Preferably, described resistance rotary device also comprises the guide pillar 41 be arranged in pushing set 40, described set casing 12 is formed with the second chute 42 of the end head plug-in mounting for guide pillar 41.
By above-mentioned resistance rotary device, pushing set 40 can only be moved left and right, and can not rotary motion.
Overall work principle of the present utility model is: put into from feedboard 28 by jade 27, then fall in main circular groove 26, then mair motor 10 is started, drive the work of main drive, finally drive the rotation of main turntable 2, start auxiliary-motor 14, drive the rotation of secondary rotating disk 3, start the 4th motor 6, the rotary work of driven rotary abrasive disc 4, when jade 27 is rotated to and rotates in abrasive disc 4 scope that can polish, just abrasive disc can be carried out to the two ends of jade 27, jade 27 after polishing continues the tangency location moving to main turntable 2 and secondary rotating disk 3 under the rotation of main turntable 2, then be clamped under the cooperation of main circular groove 26 and secondary circular groove 25, then the 3rd motor 13 is started, final driving slip cap 21 moves towards the tangency location place of main turntable 2 and secondary rotating disk 3, when moving, first inserting rod 18 is inserted in the first plug-in opening 23, second inserting rod 17 is inserted in the second plug-in opening 24.Starter 34, then just can start to hole to jade 27 by helical tooth blade 30, useless jade material after boring can be discharged from the first cavity 32, after first jade 27 is holed, be rotated further flywheel 11, first inserting rod 18 and the second inserting rod 17 are back moved, main turntable 2 and secondary rotating disk 3 rotate an angle, second jade 27 is made to move to tangency location, and first jade 27 moves to the top at tangency location place, then second jade 27 is holed, and while second jade 27 is holed, first jade 27 is under the effect of catch bar 31, be pushed to the second cavity 33.Then according to the method described above, the work that jade 27 is holed can just continuously be completed.
In addition, when actual fabrication, the diameter of the diameter of flywheel 11 and the length of connecting rod 9 and main turntable 2 and secondary rotating disk 3 is arranged by actual conditions, as long as can meet above-mentioned requirements, does not just repeat at this.
For a person skilled in the art, according to technical scheme described above and design, other various corresponding change and distortion can be made, and all these change and distortion all should belong within the protection domain of the utility model claim.
Claims (10)
1. the drilling equipment of the spherical jade of modified, it is characterized in that: comprise frame, main turntable, secondary rotating disk, the main drive be connected with main turntable, the auxiliary transmission be connected with secondary rotating disk, for driving the mair motor of main drive work, for driving the auxiliary-motor of auxiliary transmission work, for the boring assemblies to jade boring work, the 3rd transmission device be connected with boring assemblies, described main turntable and secondary rotating disk are in being arranged side by side and being installed in rotation in frame, the rotation direction of described main turntable and secondary rotating disk is contrary, described main turntable is formed with multiple main circular groove, described secondary rotating disk is formed with multiple secondary circular groove, described main circular groove and secondary circular groove coordinate at the tangency location place of main turntable and secondary rotating disk the clamping section be formed with for clamping jade,
Described 3rd transmission device comprises the 3rd motor, set casing, screw rod, pushing set, resistance rotary device for stoping pushing set to rotate, described set casing is arranged on the 3rd motor, described screw rod is positioned at set casing and is connected with the output shaft of the 3rd motor, described pushing set is threaded with screw rod, and described pushing set is connected with boring assemblies.
2. the drilling equipment of the spherical jade of modified as claimed in claim 1, it is characterized in that: described main drive and auxiliary transmission are identical structure, described main drive comprises flywheel, connecting rod, gearbox, first rotating shaft, second rotating shaft, first gear, described connecting rod is connected between flywheel sidewall and the first rotating shaft, described first gear is arranged on the first rotating shaft, described second rotating shaft is arranged on main turntable, the output shaft of described gearbox is connected with the second rotating shaft, the power shaft of described gearbox is provided with the second gear be meshed with the first gear, the flywheel of described main drive is driven by mair motor, the flywheel of described auxiliary transmission is driven by auxiliary-motor.
3. the drilling equipment of the spherical jade of modified as claimed in claim 1, it is characterized in that: described boring assemblies comprises the slip cap, the fairlead for leading to slip cap that are connected with pushing set, described slip cap is provided with motor, the output shaft of described motor is connected with helical tooth blade.
4. the drilling equipment of the spherical jade of modified as claimed in claim 3, it is characterized in that: the tangency location place that described frame is corresponding to main turntable and secondary rotating disk offers the first cavity, the top of described first cavity offers the second cavity, described slip cap is provided with the catch bar for jade being pushed to the second cavity.
5. the drilling equipment of the spherical jade of modified as claimed in claim 3, it is characterized in that: described slip cap is provided with the first inserting rod and the second inserting rod, described main turntable offers the first plug-in opening for the first inserting rod plug-in mounting, described secondary rotating disk offers the second plug-in opening for the second inserting rod plug-in mounting.
6. the drilling equipment of the spherical jade of modified as claimed in claim 1, it is characterized in that: described drilling equipment also comprises the sanding apparatus for polishing jade two ends, described sanding apparatus comprises the 3rd rotating shaft, for driving the 4th motor of the 3rd rotating shaft work, the rotation abrasive disc be arranged on the 3rd rotating shaft, the quantity of described rotation abrasive disc is two, and the peripheral edge portion of described main turntable rotates between abrasive disc at these two.
7. the drilling equipment of the spherical jade of modified as claimed in claim 6, it is characterized in that: described mair motor is arranged on the first bearing, described auxiliary-motor is arranged on the second bearing, and described 3rd motor is arranged on three abutments, and described 4th motor is arranged on the 4th bearing.
8. the drilling equipment of the spherical jade of modified as claimed in claim 2, it is characterized in that: described second interior of rotating shaft is evenly placed with multiple water channel, described water channel extends along the radial direction of the second rotating shaft, being connected in turn end to end of each water channel is through, form a bending water channel, the two ends of this bending water channel are formed with water inlet and delivery port respectively at the sidewall of the second rotating shaft.
9. the drilling equipment of the spherical jade of modified as claimed in claim 1, it is characterized in that: described resistance rotary device comprises the stationary magazine creel be sleeved in pushing set, the screw be inserted on stationary magazine creel, described pushing set is formed with the first chute of the end head plug-in mounting for screw.
10. the drilling equipment of the spherical jade of modified as claimed in claim 9, is characterized in that: described resistance rotary device also comprises the guide pillar be arranged in pushing set, described set casing is formed with the second chute of the end head plug-in mounting for guide pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520234107.2U CN204687108U (en) | 2015-04-19 | 2015-04-19 | The drilling equipment of the spherical jade of a kind of modified |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520234107.2U CN204687108U (en) | 2015-04-19 | 2015-04-19 | The drilling equipment of the spherical jade of a kind of modified |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204687108U true CN204687108U (en) | 2015-10-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520234107.2U Withdrawn - After Issue CN204687108U (en) | 2015-04-19 | 2015-04-19 | The drilling equipment of the spherical jade of a kind of modified |
Country Status (1)
| Country | Link |
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| CN (1) | CN204687108U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802312A (en) * | 2015-04-19 | 2015-07-29 | 谢洁萍 | Improved hole drilling device for ball-shaped jade |
-
2015
- 2015-04-19 CN CN201520234107.2U patent/CN204687108U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802312A (en) * | 2015-04-19 | 2015-07-29 | 谢洁萍 | Improved hole drilling device for ball-shaped jade |
| CN104802312B (en) * | 2015-04-19 | 2016-07-06 | 谢洁萍 | A kind of drilling equipment of the spherical jade of modified model |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151007 Effective date of abandoning: 20160706 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |