CN202062263U - Magnetic levitation stepless pressure-regulating type workbench device - Google Patents
Magnetic levitation stepless pressure-regulating type workbench device Download PDFInfo
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- CN202062263U CN202062263U CN2011201301192U CN201120130119U CN202062263U CN 202062263 U CN202062263 U CN 202062263U CN 2011201301192 U CN2011201301192 U CN 2011201301192U CN 201120130119 U CN201120130119 U CN 201120130119U CN 202062263 U CN202062263 U CN 202062263U
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- Prior art keywords
- assembly
- stepless
- magnetic
- magnetic suspension
- workbench
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- 238000005339 levitation Methods 0.000 title abstract 9
- 230000033228 biological regulation Effects 0.000 claims description 43
- 239000000725 suspension Substances 0.000 claims description 42
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000005491 wire drawing Methods 0.000 abstract description 16
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 238000005266 casting Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 229910003460 diamond Inorganic materials 0.000 description 5
- 239000010432 diamond Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003467 diminishing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model discloses a magnetic levitation stepless pressure-regulating type workbench device comprising a base connecting plate, a magnetic levitation stepless pressure-regulating assembly, a rotating assembly, a workbench moving assembly and a bracket assembly, wherein the bracket assembly is mounted on the base connecting plate; the magnetic levitation stepless pressure-regulating assembly is mounted and supported on the bracket assembly; the workbench moving assembly is mounted on the magnetic levitation stepless pressure-regulating assembly; the pressure of the workbench moving assembly is regulated in a stepless way through the magnetic levitation stepless pressure-regulating assembly; the rotating assembly is mounted on the base connecting plate and connected with the workbench moving assembly; and the workbench moving assembly is driven to rotate by the rotating assembly. The magnetic levitation stepless pressure-regulating type workbench device has the advantages as follows: due to the arrangement of the magnetic levitation stepless pressure-regulating assembly mechanism, the pressure of a workbench can be quickly regulated in a stepless way, the operation is simple, the maintenance is convenient, and the cost is low; and owing to the structure of the workbench moving assembly as well as the pressure-regulating mechanism and the rotating mechanism of the magnetic levitation stepless pressure-regulating type workbench device, the processing precision and the processing quality of a wire-drawing die can be improved.
Description
Technical field
The utility model belongs to special process field, particularly relates to a kind of magnetic suspension stepless pressure regulation type table device that is used on the wire drawing die ultrasonic wave shaping polishing machine.
Background technology
At present, use ultrasonic wave shaping, polissoir processing diamond wire-drawing die still to occupy an leading position in China.Table device in the ultrasonic wave processing wire drawing die equipment is one of most important parts in many critical components, and the quality quality to diamond wire-drawing die plays important effect.And the table device of existing ultrasonic wave process equipment can not effectively guarantee the diamond wire-drawing die machining accuracy, can not satisfy the requirement in market.The structure of existing typical table device generally is the structure of fluid pressure type, spring, structural disadvantages for the fluid pressure type table device is to be difficult to leakproof, environment is caused certain pollution, and the structure spring pressure of spring table device is difficult to Linear Control, make it be difficult to guarantee the electrodeless adjustment of pressure and keep stable constant pressure, so influential to the machining accuracy of diamond wire-drawing die.
The utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is how to improve the machining accuracy of ultrasonic wave processing wire-drawing die, thereby improves the quality of wire drawing die mould.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of magnetic suspension stepless pressure regulation type table device, and it comprises: base connecting plate 43, magnetic suspension stepless voltage regulation assembly 1, rotation assembly 3, movable workbench assembly 13 and bracket assembly 15; Described bracket assembly 15 is installed on the described base connecting plate 43, and described magnetic suspension stepless voltage regulation assembly 1 is installed on the bracket assembly 15; Described movable workbench assembly 13 is installed on the described magnetic suspension stepless voltage regulation assembly 1, by the pressure of described magnetic suspension stepless voltage regulation assembly 1 stepless adjustment movable workbench assembly 13; Rotation assembly 3 is installed on the described base connecting plate 43, and is connected with described movable workbench assembly 13, is driven the rotation of described movable workbench assembly 13 by described rotation assembly 3.
Wherein, described bracket assembly 15 comprises:
Two pillars are oppositely arranged on the described base connecting plate 43;
Two wobble-plates are connected with described two pillars respectively.
Wherein, described magnetic suspension stepless voltage regulation assembly 1 comprises:
Last magnetic patch 27 is installed on the described movable workbench assembly 13;
Following magnetic patch 26 is installed on the described base connecting plate 43 by following magnetic block seat axle 41, and described magnetic patch 26 down vertically is oppositely arranged with last magnetic patch 27;
Driving wheel 21 and driven pulley 22 are separately positioned on the both sides of magnetic patch 27 and following magnetic patch 26 central axis, and described driving wheel 21 links to each other by steel wire 20 with driven pulley 22;
Following magnetic block seat axle 41, its bottom are installed on the described base connecting plate 43, and its top is provided with down magnetic block seat 39, and described magnetic patch 26 down is installed in down on the magnetic block seat 39, and it is adjustable that described magnetic block seat axle 41 down is set to lifting.
Wherein, described rotation assembly 3 comprises:
Electric rotating machine 2 is installed on the described base connecting plate 43;
Wherein, described movable workbench assembly 13 comprises:
Decide guide rail 12, be installed on the described bracket assembly 15;
Moving guide rail 14 is arranged on the bearing bracket stand 36, and described bearing bracket stand 36 upper ends connect workbench axle 32, and its lower end connects the described magnetic patch 27 of going up;
Workbench 31 is installed on the described workbench axle 32.
Wherein, described bracket assembly 15 also comprises:
Shell is set in described magnetic suspension stepless voltage regulation assembly 1 outside;
Wherein, described magnetic patch 26 down is provided with identical magnetic with the opposite face of last magnetic patch 27.
Wherein, described rotation assembly 3 also comprises:
Fixed head 4 is arranged on the described electric rotating machine 2, and is connected with described bracket assembly 15.
Wherein, described movable workbench assembly 13 also comprises:
Bearing inner spacing collar 34 and bearing outer separator 35 are arranged on the described bearing 28, contact with described bearing 28 inner and outer rings respectively;
Locking mother 33 is arranged between bearing bracket stand 36 and the moving guide rail 14, and is positioned at described bearing 28 tops, is used for described moving guide rail 14 locking positionings;
Banking stop 11 is arranged on and describedly decides on the guide rail 12, is used for deciding guide rail 12 location to described;
Retainer 17 is arranged on and describedly decides between guide rail 12 and the moving guide rail 14.
Wherein, described steel wire 20 passes described magnetic block seat 39 down, drives described magnetic block seat 39 down by described steel wire 20 and rises.
(3) beneficial effect
The magnetic suspension stepless pressure regulation type table device that technique scheme provided is provided with magnetic suspension stepless voltage regulation assembly mechanism, and pressure that can stepless rapid adjustment workbench is operated simple and easyly, easy to maintenance, and cost is low; The structure of movable workbench assembly with and pressure regulation and rotating mechanism, can improve processing wire-drawing die precision and crudy.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the magnetic suspension stepless pressure regulation type table device of the utility model embodiment;
Fig. 2 is the A-A view of device shown in Figure 1;
Fig. 3 is the vertical view of the magnetic suspension stepless pressure regulation type table device of the utility model embodiment.
Wherein, 1: magnetic suspension stepless voltage regulation assembly; 2: electric rotating machine; 3: the rotation assembly; 4: fixed head; 5: drive pulley; 6:O type band; 7: left pillar; 8: left wobble-plate; 9: swing column; 10: wave cover; 11: banking stop; 12: decide guide rail; 13: the movable workbench assembly; 14: moving guide rail; 15: bracket assembly; 16: right wobble-plate; 17: retainer; 18: right pillar; 19: pressure is adjusted axle; 20: steel wire; 21: driving wheel; 22: driven pulley; 23: a column sleeve; 24: positioning disk; 25: alignment pin; 26: following magnetic patch; 27: go up magnetic patch; 28: bearing; 29: back shroud; 30: cover plate; 31: workbench; 32: the workbench axle; 33: locking is female; 34: the bearing inner spacing collar; 35: the bearing outer separator; 36: bearing bracket stand; 37: driven pulley; 38: the rotational pressure adjusting knob; 39: following magnetic block seat; 40: the casting aluminum hull; 41: following magnetic block seat axle; 42: rotational shell; 43: the base connecting plate; 44: attachment screw.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is described in further detail.Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
With reference to Fig. 1-3, be respectively overall structure schematic diagram, A-A view and the vertical view of the magnetic suspension stepless pressure regulation type table device of the utility model embodiment, as shown in the figure, it comprises: base connecting plate 43, magnetic suspension stepless voltage regulation assembly 1, rotation assembly 3, movable workbench assembly 13 and bracket assembly 15; Base connecting plate 43 is provided with attachment screw 44, by attachment screw 44 table device is fixed on the wire drawing die ultrasonic wave shaping polishing machine; Bracket assembly 15 is installed on the base connecting plate 43, and magnetic suspension stepless voltage regulation assembly 1 is installed on the bracket assembly 15; Movable workbench assembly 13 is installed on the magnetic suspension stepless voltage regulation assembly 1, by the pressure of magnetic suspension stepless voltage regulation assembly 1 stepless adjustment movable workbench assembly 13; Rotation assembly 3 is installed on the base connecting plate 43, and is connected with movable workbench assembly 13, is driven the rotation of movable workbench assembly 13 by rotation assembly 3.
Particularly, bracket assembly 15 comprises: left pillar 7, left wobble-plate 8, swing column 9, wave cover 10, right wobble-plate 16, right pillar 18, a column sleeve 23, back shroud 29, cover plate 30 and casting aluminum hull 40.Left side pillar 7 and right pillar 18 are oppositely arranged on the base connecting plate 43; Left side wobble-plate 8 is connected with right pillar 18 with left pillar 7 respectively with right wobble-plate 16; Casting aluminum hull 40 is set in magnetic suspension stepless voltage regulation assembly 1 outside; Cover plate 30 is arranged on casting aluminum hull 40 tops, and is positioned at workbench 31 belows of movable workbench assembly 13; Left side pillar 7 and right pillar 18 tops are respectively arranged with horizontal swing column 9, and left wobble-plate 8 and right wobble-plate 16 are installed on the swing column 9, do oscillating motion around swing column 9; Swing column 9 outsides also are provided with waves cover 10, the security when the protection wobble-plate is done oscillating motion; Bracket assembly 15 1 sides also are provided with back shroud 29, to block dust.
Bracket assembly 15 is fixed in left pillar 7, right pillar 18 on the base connecting plate 43 by screw, by screw left wobble-plate 8, right wobble-plate 16 is connected with casting aluminum hull 40 again, and main support plays magnetic suspension stepless voltage regulation assembly 1 and movable workbench assembly 13; In the time of on being installed on wire drawing die ultrasonic wave shaping polishing machine, also can pass through wabbler mechanism, make magnetic suspension stepless voltage regulation assembly 1 and movable workbench assembly 13 do oscillating motion; She Ji beneficial effect is like this: simple in structure, cost is low.
Magnetic suspension stepless voltage regulation assembly 1 comprises: driving wheel 21, driven pulley 22, positioning disk 24, alignment pin 25, down magnetic patch 26, go up magnetic patch 27, pressure adjusting knob 38, down magnetic block seat 39, magnetic block seat axle 41, pressure are adjusted axle 19 and steel wire 20 down.Last magnetic patch 27 is installed in workbench axle 32 bottoms of movable workbench assembly 13; Following magnetic patch 26 is installed on the base connecting plate 43 by following magnetic block seat axle 41, following magnetic patch 26 vertically be oppositely arranged with last magnetic patch 27 and the magnetic pole of opposite face identical; Driving wheel 21 and driven pulley 22 are separately positioned on the both sides of magnetic patch 27 and following magnetic patch 26 central axis, and driving wheel 21 links to each other by steel wire 20 with driven pulley 22; Pressure adjusting knob 38 links to each other with driving wheel 21; The bottom of following magnetic block seat axle 41 is installed on the base connecting plate 43, and the top is provided with down magnetic block seat 39, and following magnetic patch 26 is installed in down on the magnetic block seat 39, and steel wire 20 passes down magnetic block seat 39, and driving down by steel wire 20, magnetic block seat 39 rises; It is adjustable that following magnetic block seat axle 41 is set to lifting, and its bottom outer setting has positioning disk 24, and positioning disk 24 is provided with alignment pin 25, is used to realize down the location of magnetic block seat axle 41; Driven pulley 22 is provided with pressure and adjusts axle 19, is used to adjust the pressure of driven pulley 22.
The process of doing altogether of magnetic suspension stepless voltage regulation assembly 1 is: when placing wire-drawing die and set precompressed on workbench 31, (or counterclockwise) rotational pressure adjusting knob 38 clockwise, can make driving wheel 21 (or counterclockwise) rotation clockwise, steel wire 20 in the wheel peripheral groove is received silk (or putting silk) on driving wheel 21, drive magnetic block seat axle 41 risings (or decline) down this moment, silk (or receiving silk) is promptly put in driven pulley 22 servo-actuateds simultaneously; Magnetic block seat axle 39 can only rise under it (or decline) because the alignment pin 25 in following magnetic block seat axle 41 gathering sills makes, drive following magnetic patch 26 risings (or decline) in the magnetic block seat, gradually slowly maintain static last magnetic patch 27 in the last magnetic block seat of structure near (or leaving) noncontact, because the characteristic that has adopted the permanent magnets same sex to repel each other, produced the magnetic suspension of permanent magnet, will when the distance between magnetic patch 26 and the last magnetic patch 27 is dwindled (or increase) down, produce the change repulsion of (or diminishing) greatly, thereby make workbench 31 produce the pressure that becomes big (or diminishing).She Ji beneficial effect is like this: novel structure, and can stepless rapid adjustment pressure.
Rotation assembly 3 comprises: electric rotating machine 2, fixed head 4, drive pulley 5, O type band 6, driven pulley 37 and rotational shell 42.Electric rotating machine 2 is installed on the base connecting plate 43; Drive pulley 5 is connected with electric rotating machine 2, and driven pulley 37 is connected with movable workbench assembly 13, connects by O type band 6 between drive pulley 5 and the driven pulley 37; Rotational shell 42 is arranged on electric rotating machine 2 outsides; Fixed head 4 is arranged on the electric rotating machine 2, and is connected with the workbench axle 32 of bracket assembly 15.Rotation assembly 3 is fixed on the base connecting plate 43 by screw; The transmission that drives O type band 6 by the drive pulley on the electric rotating machine 25 rotates for driven pulley 37, makes its workbench axle 32 and workbench 31 rotations; She Ji beneficial effect is like this: operate simple and easy, easy to maintenance.
Movable workbench assembly 13 comprises: banking stop 11, decide that guide rail 12, moving guide rail 14, retainer 17, bearing 28, workbench 31, workbench axle 32, locking are female 33, bearing inner spacing collar 34, bearing outer separator 35 and bearing bracket stand 36.Deciding guide rail 12 is installed on the bracket assembly 15; Moving guide rail 14 is arranged on the bearing bracket stand 36, and bearing bracket stand 36 upper ends connect workbench axle 32, and the lower end connects goes up magnetic patch 27; Workbench 31 is installed on the described workbench axle 32; Bearing 28 is arranged between bearing bracket stand 36 and the moving guide rail 14; Bearing inner spacing collar 34 and bearing outer separator 35 are arranged on the bearing 28, contact with bearing 28 inner and outer rings respectively; Locking female 33 is arranged between bearing bracket stand 36 and the moving guide rail 14, and is positioned at bearing 28 tops, is used for moving guide rail 14 locking positionings; Banking stop 11 is arranged on to be decided on the guide rail 12, is used for deciding guide rail 12 location; Retainer 17 is arranged on to be decided between guide rail 12 and the moving guide rail 14.Movable workbench assembly 13 is fixed on the casting aluminum hull 40 in the bracket assembly 15 decide guide rail 12 (about respectively) by screw; Produce downward precompressed when the processing diamond wire-drawing die on workbench 31, the moving guide rail 14 that is installed on the bearing bracket stand 36 can move up and down.She Ji beneficial effect is like this: the precision that can improve the processing wire drawing die.
As can be seen from the above embodiments, the utility model embodiment is provided with magnetic suspension stepless voltage regulation assembly mechanism, and pressure that can stepless rapid adjustment workbench is operated simple and easyly, easy to maintenance, and cost is low; The structure of movable workbench assembly with and pressure regulation and rotating mechanism, can improve processing wire-drawing die precision and crudy.
The above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and replacement, these improvement and replacement also should be considered as protection domain of the present utility model.
Claims (10)
1. magnetic suspension stepless pressure regulation type table device is characterized in that, comprising: base connecting plate (43), magnetic suspension stepless voltage regulation assembly (1), rotation assembly (3), movable workbench assembly (13) and bracket assembly (15); Described bracket assembly (15) is installed on the described base connecting plate (43), and bracket assembly (15) is gone up described magnetic suspension stepless voltage regulation assembly (1) is installed; Described movable workbench assembly (13) is installed on the described magnetic suspension stepless voltage regulation assembly (1), by the pressure of described magnetic suspension stepless voltage regulation assembly (1) stepless adjustment movable workbench assembly (13); Rotation assembly (3) is installed on the described base connecting plate (43), and is connected with described movable workbench assembly (13), is driven the rotation of described movable workbench assembly (13) by described rotation assembly (3).
2. magnetic suspension stepless pressure regulation type table device as claimed in claim 1 is characterized in that, described bracket assembly (15) comprising:
Two pillars are oppositely arranged on the described base connecting plate (43);
Two wobble-plates are connected with described two pillars respectively.
3. magnetic suspension stepless pressure regulation type table device as claimed in claim 2 is characterized in that, described magnetic suspension stepless voltage regulation assembly (1) comprising:
Last magnetic patch (27) is installed on the described movable workbench assembly (13);
Following magnetic patch (26) is installed on the described base connecting plate (43) by following magnetic block seat axle (41), and described magnetic patch (26) down vertically is oppositely arranged with last magnetic patch (27);
Driving wheel (21) and driven pulley (22) are separately positioned on the both sides of magnetic patch (27) and following magnetic patch (26) central axis, and described driving wheel (21) links to each other by steel wire (20) with driven pulley (22);
Pressure adjusting knob (38) links to each other with described driving wheel (21);
Following magnetic block seat axle (41), its bottom are installed on the described base connecting plate (43), and its top is provided with down magnetic block seat (39), and described magnetic patch (26) down is installed in down on the magnetic block seat (39), and it is adjustable that described magnetic block seat axle (41) down is set to lifting.
4. magnetic suspension stepless pressure regulation type table device as claimed in claim 3 is characterized in that, described rotation assembly (3) comprising:
Electric rotating machine (2) is installed on the described base connecting plate (43);
Drive pulley (5) and driven pulley (37), described drive pulley (5) is connected with described electric rotating machine (2), described driven pulley (37) is connected with described movable workbench assembly (13), connects by O type band (6) between described drive pulley (5) and the driven pulley (37).
5. magnetic suspension stepless pressure regulation type table device as claimed in claim 4 is characterized in that, described movable workbench assembly (13) comprising:
Decide guide rail (12), be installed on the described bracket assembly (15);
Moving guide rail (14) is arranged on the bearing bracket stand (36), and described bearing bracket stand (36) upper end connects workbench axle (32), and its lower end connects the described magnetic patch (27) of going up;
Workbench (31) is installed on the described workbench axle (32).
6. magnetic suspension stepless pressure regulation type table device as claimed in claim 4 is characterized in that, described bracket assembly (15) also comprises:
Shell is set in described magnetic suspension stepless voltage regulation assembly (1) outside;
Cover plate (30) is arranged on described shell upper, and is positioned at described workbench (31) below.
7. magnetic suspension stepless pressure regulation type table device as claimed in claim 3 is characterized in that, described magnetic patch (26) down is provided with identical magnetic with the opposite face of last magnetic patch (27).
8. magnetic suspension stepless pressure regulation type table device as claimed in claim 4 is characterized in that, described rotation assembly (3) also comprises:
Rotational shell (42) is arranged on described electric rotating machine (2) outside;
Fixed head (4) is arranged on the described electric rotating machine (2), and is connected with described bracket assembly (15).
9. magnetic suspension stepless pressure regulation type table device as claimed in claim 5 is characterized in that, described movable workbench assembly (13) also comprises:
Bearing (28) is arranged between described bearing bracket stand (36) and the moving guide rail (14);
Bearing inner spacing collar (34) and bearing outer separator (35) are arranged on the described bearing (28), contact with described bearing (28) inner and outer ring respectively;
Locking female (33) is arranged between bearing bracket stand (36) and the moving guide rail (14), and is positioned at described bearing (28) top, is used for described moving guide rail (14) locking positioning;
Banking stop (11) is arranged on and describedly decides on the guide rail (12), is used for deciding guide rail (12) location to described;
Retainer (17) is arranged on and describedly decides between guide rail (12) and the moving guide rail (14).
10. magnetic suspension stepless pressure regulation type table device as claimed in claim 3 is characterized in that, described steel wire (20) passes described magnetic block seat (39) down, drives described magnetic block seat (39) down by described steel wire (20) and rises.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201301192U CN202062263U (en) | 2011-04-28 | 2011-04-28 | Magnetic levitation stepless pressure-regulating type workbench device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201301192U CN202062263U (en) | 2011-04-28 | 2011-04-28 | Magnetic levitation stepless pressure-regulating type workbench device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202062263U true CN202062263U (en) | 2011-12-07 |
Family
ID=45056141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201301192U Expired - Fee Related CN202062263U (en) | 2011-04-28 | 2011-04-28 | Magnetic levitation stepless pressure-regulating type workbench device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202062263U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959909A (en) * | 2015-05-15 | 2015-10-07 | 旌德县小春机械厂 | Grinding workbench |
| CN105150035A (en) * | 2015-10-16 | 2015-12-16 | 北京迪蒙特佳工模具技术有限公司 | Semi-automatic ultrasonic reshaping polishing machine for diamond drawing die |
-
2011
- 2011-04-28 CN CN2011201301192U patent/CN202062263U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959909A (en) * | 2015-05-15 | 2015-10-07 | 旌德县小春机械厂 | Grinding workbench |
| CN104959909B (en) * | 2015-05-15 | 2017-06-16 | 旌德县小春机械厂 | Grinding table |
| CN105150035A (en) * | 2015-10-16 | 2015-12-16 | 北京迪蒙特佳工模具技术有限公司 | Semi-automatic ultrasonic reshaping polishing machine for diamond drawing die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20190428 |
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| CF01 | Termination of patent right due to non-payment of annual fee |