CN106217151A - A kind of grinding machine of grinding carrier roller - Google Patents
A kind of grinding machine of grinding carrier roller Download PDFInfo
- Publication number
- CN106217151A CN106217151A CN201610819035.7A CN201610819035A CN106217151A CN 106217151 A CN106217151 A CN 106217151A CN 201610819035 A CN201610819035 A CN 201610819035A CN 106217151 A CN106217151 A CN 106217151A
- Authority
- CN
- China
- Prior art keywords
- main shaft
- tailstock
- lathe bed
- saddle
- grinding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/37—Single-purpose machines or devices for grinding rolls, e.g. barrel-shaped rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
- B24B41/062—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
Abstract
The present invention relates to grinding carrier roller equipment, be specifically related to the grinding machine of a kind of grinding carrier roller.Mainly it is made up of lathe bed part, rotation main shaft portion, tumbling barrel part, tailstock main shaft portion.Lathe bed part is the matrix of whole grinding machine, coordinates installation with various piece；Rotate main shaft portion and tailstock main shaft portion lays respectively at two ends, lathe bed left and right, and be on same level line, rotate main shaft and rotate with motor mating band kinetoblast material；Tailstock main shaft coordinates with hydraulic system, and hydraulic system provides axial force to tailstock main shaft, promotes tailstock main shaft；Tailstock main shaft portion is fixed at diverse location with lathe bed by tailstock main shaft portion by pressing plate；Tumbling barrel part is arranged on saddle by slide plate, and between two main shafts, and two tumbling barrels are separately mounted to the both sides of major axis horizontal line, and by saddle leading screw and the drive of rack and pinion engagement, two tumbling barrels can axially and radially move.
Description
Technical field
The present invention relates to grinding carrier roller equipment, be specifically related to the grinding machine of a kind of grinding carrier roller.
Background technology
At present belt conveyor is substantially use steel carrying roller, and it is cheap, be simple to manufacture, but steel carrying roller is tight
The wear problem of weight can not be ignored, and often Idler bearing does not damages and carrying roller has been worn.Therefore hardness higher pottery torr
Roller starts to be applied to belt conveyor to reduce abrasion.But the brittle property of ceramic material is relatively big, difficulty of processing is high, commonly uses at present
Method for grinding have as grinding, grinding, city mill and polishing, need to make instrument press to workpiece by mechanical force, thus abrade unnecessary material
Material.But its difficulty of processing is high and imperfection, during with this type of method grinding pottery, owing to the fragility of material is big, easily cause fine fisssure
This kind of surface defect of stricture of vagina, greatly reduces part and uses intensity and reliability.Plain grinding needs corase grind and fine grinding and is one
Bistrique carries out twice grinding, and clamps fixing for pottery, and grinding is the longest, and working (machining) efficiency is low, and percent defective is the highest.
Summary of the invention
The grinding machine of a kind of grinding carrier roller that the present invention provides, to improve efficiency and the yield rate of grinding carrier roller,
For reducing production cost, it is significant for reducing labor intensity.
The grinding machine of grinding carrier roller that the present invention proposes, mainly by lathe bed part, rotate main shaft portion, tumbling barrel part and
Tailstock main shaft part is graded composition.Lathe bed part is the matrix of whole grinding machine, coordinates installation with various piece；Rotate main shaft portion and
Tailstock main shaft portion lays respectively at two ends, lathe bed left and right, and two main shafts are positioned on same level line；Tumbling barrel part (two tumbling barrels) point
Not being positioned at major axis horizontal line (i.e. stock position during grinding) both sides, two bistriques can axially and radially move, grind simultaneously
Cut.
Grinder bed provides the basis of whole lathe, uses four slideways and light-weight design, two external slideway to coordinate with saddle,
Two inner slides coordinate with tailstock slide plate, and slideway opposite side is lathe bed platform, coordinate with rotating main shaft portion, and lathe bed side is also pacified
Toothing bar, engages with the gear being arranged on saddle, drives saddle to slide on lathe bed, and total is compact, it is ensured that other
The reasonable placement of part, saves space and reduces cost.
Rotate main shaft portion and be installed on lathe bed platform by rotating main shaft pedestal, rotate main shaft and coordinate pressure with tailstock main shaft
Tight stock, rotates main shaft and is connected with motor simultaneously, make stock rotary motion between two main shafts, realizes the ring to stock during grinding
Mill.
Tumbling barrel part (two tumbling barrels), is coordinated with grinding machine saddle by two tumbling barrel slide plates, lays respectively at the both sides of saddle
(i.e. two major axis horizontal line both sides), saddle is coordinated with lathe bed two external slideway by its slideway, can slide on lathe bed.Two tumbling barrels divide
Not being positioned on two slide plates, two slide plates coordinate with saddle, and drive slide plate and tumbling barrel by saddle leading screw, it is achieved tumbling barrel bistrique phase
Workpiece is done feed motion.Gear is additionally installed on saddle engage with the tooth bar on lathe bed, drags saddle and transport on bed body slideway
Dynamic, saddle drives tumbling barrel slide plate and tumbling barrel (bistrique) motion, it is achieved the cutting movement of bistrique grinding stock.Two bistriques are respectively
Corase grind and fine grinding, during grinding, two bistriques grinding stock, grinding one-shot forming simultaneously, substantially increase grinding efficiency.
Wherein, saddle part, sealing gland is installed at its slideway edges, prevents grindstone dust from entering slideway, affect saddle
Normal slip, and saddle slideway lubricating cup installed above, play lubrication slideway and reduce rubbing action.During due to grinding work piece, can produce
The biggest ablation power, and now saddle also need to move on lathe bed, may produce the moment making saddle topple, so point
Pressing plate and lathe bed matched in clearance are not installed outside saddle two slideway, prevent saddle from toppling.
Tailstock main shaft portion is then coordinated with lathe bed two inner slide by slide plate, can slide on lathe bed, and tailstock slide plate leads to
Cross two pressing plates, make tailstock main shaft portion be fixed with lathe bed diverse location, various sizes of stock is entered realizing grinding machine
Row grinding.Wherein tailstock main shaft is by its keyway and the key constraint on tailstock pedestal, makes main shaft can enter in tailstock pedestal
Row axially-movable and use hydraulic system that tailstock main shaft is applied axial force, makes main shaft be present internal moving, it is achieved grinding
The forward spindle compression to stock, after machining, the axial force that main shaft is applied by hydraulic system unloading, it is achieved main shaft is put
Pine, tailstock main shaft bounces back, in order to take off the workpiece after machining.
The grinding machine of described grinding carrier roller operationally, rotates main shaft and rotates with constant speed, and blank placed by two main shafts
Stop operating before, turn on the power after placing dispensing, rotate main shaft and drive stock to rotate, it is achieved ring grinds.Grinding
Time, lathe bed is installed homalocephalus water spout, reduces the high temperature of grinding generation and filling the air of abrasive dust.Additionally, install peace at tumbling barrel bistrique
Full protection cover, prevents the bistrique of abrasive dust and the high speed rotating splashed from damaging staff.
Accompanying drawing explanation
The overall assembling front view schematic diagram of Fig. 1 present invention
The general assembly drawing top view schematic diagram of Fig. 2 present invention
The rotation main shaft portion assembling schematic diagram of Fig. 3 present invention
The tumbling barrel part assembling schematic diagram of Fig. 4 present invention
The tailstock main shaft portion schematic diagram of Fig. 5 present invention
In figure: 1. lathe bed 2. reducer pedestal 3. electric machine assembly 4. rotates main shaft pedestal 5. and rotates main shaft 6. tooth bar 7.
Saddle pressing plate 8. tumbling barrel 9. bistrique 10. lubricating cup 11. tailstock main shaft 12. key 13. hydraulic cylinder 14. tailstock pedestal 15.T shape
Bolt 16. tailstock slide plate 17. pressing plate 18. gear 19. saddle leading screw (length) 20. saddle leading screw (short) 21. carriage nut
22. slide plate 23. saddle 24. saddle sealing gland 25. deep groove ball bearings 26. pad 27. jiaos of thrust ball bearing 28. axle bullets
Before property back-up ring 29. sealing ring 30., gland 31. sealing ring 32. tumbling barrel main shaft 33. key 34. belt wheel 35. axle sleeve 36. grinds
Case gland 37. deep groove ball bearing 38. tumbling barrel gland 39. sealing ring 40. sealing ring 41. tailstock sealing gland 42.O shape is close
Seal 43. tailstock mainshaft gland
Detailed description of the invention
It is embodied as being described further to the present invention below in conjunction with accompanying drawing
Fig. 1 and Fig. 2 is the front view of general assembly drawing structure of the present invention, top view schematic diagram, and lathe bed (1) is whole lathe
Body portion, rotate main shaft (5) part by rotate main shaft pedestal (4) be installed on lathe bed, electric machine assembly (3) is positioned at deceleration
Support (2) is upper to match with rotation main shaft, drives main shaft to rotate.Saddle (23) is arranged on bed body slideway, and tumbling barrel (8) is placed on
On the slide plate (22) coordinated with saddle, saddle leading screw (19,20) coordinates with the carriage nut (21) being arranged on slide plate, drives sliding
Stock is done feed motion by plate and tumbling barrel part.Tooth bar (6) is arranged on lathe bed, nibbles with the gear (18) being arranged on saddle
Closing, stock is made grinding motion by drive saddle, slide plate, tumbling barrel and the bistrique (9) being arranged on tumbling barrel.Lubricating cup (10) is arranged on bed
On saddle, saddle sealing gland (24) is installed on saddle two ends, and saddle pressing plate (7) is arranged on saddle both sides.Tailstock slide plate (16) is pacified
Being contained on lathe bed, tailstock main shaft (11) is connected and installed in tailstock pedestal by key (12), tailstock pedestal (14) and tailstock slide plate
Coordinating, tailstock slide plate is fixed at diverse location with lathe bed by pressing plate (17) by tommyhead bolt (15), it is achieved to different size
The grinding of stock.Hydraulic cylinder (13) is arranged on tailstock pedestal, with tailstock main shaft with the use of, it is achieved the pressure to stock
Tightly with loosen.
Fig. 3 is the rotation main shaft portion assembling schematic diagram of the present invention, rotates main shaft (5) and is arranged on rotation main shaft pedestal (4)
In, deep groove ball bearing (25) and angle thrust ball bearing (27) are by the shaft shoulder, pad (26) and circlip for shaft (28) location and installation
On main shaft, sealing ring (29) rotates the side of main shaft pedestal with main shaft fitted seal, and front gland (30) is joined with sealing ring (31)
Close, be arranged on rotation main shaft pedestal opposite side, seal.
Fig. 4 is the tumbling barrel part assembling schematic diagram of the present invention, and tumbling barrel main shaft (32) is arranged in tumbling barrel (8), deep-groove ball axle
Holding (37) by shaft shoulder location and installation on main shaft, axle sleeve (35) is arranged on tumbling barrel main shaft and compresses bearing, tumbling barrel gland (36,
38) being arranged on tumbling barrel both sides, sealing ring (39) is arranged on sealing gland, acts the effect sealing tumbling barrel, and belt wheel (34) passes through key
(33) connection is arranged on tumbling barrel main shaft, is connected by belt, drives tumbling barrel main shaft to rotate, and bistrique (9) is arranged on tumbling barrel main shaft
On, grinding stock.
Fig. 5 is that tailstock main shaft portion of the present invention assembles schematic diagram, and tailstock main shaft (11) is connected and installed in tail by key (12)
In seat pedestal (14), sealing ring (40) and tailstock sealing gland (41) coordinate, and are installed on tailstock pedestal, seal tailstock pedestal
Side, O-ring seals (42) and tailstock mainshaft gland (43) coordinate, and are installed on tailstock pedestal, seal tailstock pedestal another
Side and being connected with hydraulic cylinder.
Claims (5)
1. the grinding machine of a grinding carrier roller, it is characterised in that this grinding machine is mainly by lathe bed part, rotation main shaft portion, tail
The seat composition such as main shaft portion and tumbling barrel part.Lathe bed part is four slideways, and two external slideway coordinate with saddle (23), two inner slides with
Tailstock slide plate (16) coordinates, and saddle (23) is installed gear (18) and engages with the tooth bar (6) on lathe bed (1), drives saddle (23)
In the upper slip of lathe bed (1)；Rotate main shaft portion and tailstock main shaft portion lays respectively at lathe bed (1) left and right sides, and two main shaft positions
On same level line；Rotating main shaft portion and be installed on lathe bed platform by rotating main shaft pedestal (4), electric machine assembly is positioned at and subtracts
Speed support (2) is upper to match with rotation main shaft (5), main shaft (5) is rotated and rotates.Tailstock main shaft portion is by being arranged on lathe bed
(1) the tailstock slide plate (16) on coordinates can slide on lathe bed with lathe bed two inner slide, and tailstock main shaft (11) is by key (12) even
Connecing and be installed in tailstock pedestal (14), tailstock pedestal coordinates with tailstock slide plate (16), and pressing plate (17) passes through tommyhead bolt (15) by tail
Seat slide plate is fixed at diverse location with lathe bed, it is achieved to various sizes of stock grinding, hydraulic cylinder (3) is installed on tail
On seat pedestal (14), with tailstock main shaft with the use of, it is achieved to the compression of stock with loosen；Tumbling barrel part includes two tumbling barrels
(8), being coordinated with grinding machine saddle (23) by two tumbling barrel slide plates, two tumbling barrels lay respectively at two major axis horizontal line both sides, two
Bistrique (9) in tumbling barrel can axially and radially move, and carries out grinding simultaneously.
The grinding machine of a kind of grinding carrier roller the most as claimed in claim 1, it is characterised in that: saddle (23) by its slideway with
Lathe bed two external slideway coordinates, and can slide on lathe bed；Tumbling barrel (8) is placed on the slide plate (22) coordinated with saddle, saddle leading screw
(19,20) coordinate with the carriage nut (21) being arranged on slide plate (22), drive slide plate and tumbling barrel part that stock does feeding fortune
Dynamic；Lubricating cup (10) is arranged on saddle, and saddle sealing gland (24) is installed on saddle two ends, and saddle pressing plate (7) is arranged on saddle
Both sides.
The grinding machine of a kind of grinding carrier roller the most as claimed in claim 1, it is characterised in that: rotate main shaft (5) and be arranged on rotation
Turning in main shaft pedestal (4), deep groove ball bearing (25) and angle thrust ball bearing (27) are by the shaft shoulder, pad (26) and circlip for shaft
(28) location and installation is rotating on main shaft, and sealing ring (29) rotates the side of main shaft pedestal, front pressure with rotating main shaft fitted seal
Lid (30) coordinate with sealing ring (31) be arranged on rotate main shaft pedestal opposite side.
The grinding machine of a kind of grinding carrier roller the most as claimed in claim 1, it is characterised in that: tumbling barrel main shaft (32) is arranged on mill
In case (8), deep groove ball bearing (37) is by shaft shoulder location and installation on tumbling barrel main shaft, and axle sleeve (35) is arranged on tumbling barrel main shaft pressure
Mandrel holds, and tumbling barrel gland (36,38) is arranged on tumbling barrel both sides, and sealing ring (39) is arranged on sealing gland, and belt wheel (34) passes through
Key (33) connection is arranged on tumbling barrel main shaft, is connected by belt, drives tumbling barrel main shaft to rotate, and bistrique (9) is arranged on tumbling barrel master
On axle, grinding stock.
The grinding machine of a kind of grinding carrier roller the most as claimed in claim 1, it is characterised in that: tailstock main shaft portion passes through tailstock
Slide plate coordinates with bed body slideway, can slide on lathe bed；Tailstock main shaft (11) is connected and installed in tailstock pedestal by key (12)
(14), in, sealing ring (40) and tailstock sealing gland (41) cooperation are installed on tailstock pedestal, seal the side of tailstock pedestal, O
Shape sealing ring (42) and tailstock mainshaft gland (43) cooperation are installed on tailstock pedestal, seal opposite side and the hydraulic pressure of tailstock pedestal
Cylinder is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610819035.7A CN106217151A (en) | 2016-09-09 | 2016-09-09 | A kind of grinding machine of grinding carrier roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610819035.7A CN106217151A (en) | 2016-09-09 | 2016-09-09 | A kind of grinding machine of grinding carrier roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106217151A true CN106217151A (en) | 2016-12-14 |
Family
ID=58074885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610819035.7A Pending CN106217151A (en) | 2016-09-09 | 2016-09-09 | A kind of grinding machine of grinding carrier roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106217151A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109773627A (en) * | 2019-04-01 | 2019-05-21 | 钛马迪家居江苏有限公司 | A kind of two-way grinding device of furniture swivel component |
| CN109773247A (en) * | 2019-02-21 | 2019-05-21 | 安徽新园矿山设备制造有限责任公司 | A kind of edge milling machines suitable for roller carrier shaft processing |
| CN109968115A (en) * | 2019-05-07 | 2019-07-05 | 安徽金瑞智能装备有限公司 | A kind of special efficient cylindrical grinder |
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|---|---|---|---|---|
| JPH09155702A (en) * | 1995-12-07 | 1997-06-17 | Ngk Insulators Ltd | Grinding device and method for cylindrically formed body with bottom |
| CN201239902Y (en) * | 2008-06-30 | 2009-05-20 | 河南活顶尖机械有限公司 | Changeable built-in live center |
| CN202028986U (en) * | 2011-01-26 | 2011-11-09 | 黄山市新先不锈钢材料制品有限公司 | Cylindrical grinding machine for rollers |
| CN202207931U (en) * | 2011-07-29 | 2012-05-02 | 佛山运城压纹制版有限公司 | Roller grinding and polishing all-in-one machine |
| CN203390534U (en) * | 2013-06-28 | 2014-01-15 | 济南强力胶辊设备有限公司 | General grinding lathe for rubber roll |
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-
2016
- 2016-09-09 CN CN201610819035.7A patent/CN106217151A/en active Pending
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| JPH09155702A (en) * | 1995-12-07 | 1997-06-17 | Ngk Insulators Ltd | Grinding device and method for cylindrically formed body with bottom |
| CN201239902Y (en) * | 2008-06-30 | 2009-05-20 | 河南活顶尖机械有限公司 | Changeable built-in live center |
| CN202028986U (en) * | 2011-01-26 | 2011-11-09 | 黄山市新先不锈钢材料制品有限公司 | Cylindrical grinding machine for rollers |
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| CN203390534U (en) * | 2013-06-28 | 2014-01-15 | 济南强力胶辊设备有限公司 | General grinding lathe for rubber roll |
| CN203843610U (en) * | 2014-04-23 | 2014-09-24 | 枣庄彤力机械工程有限公司 | Numerically controlled rubber roll grinding machine with higher middle |
| CN203973315U (en) * | 2014-07-17 | 2014-12-03 | 长沙金岭机床有限责任公司 | A kind of horizontal rubber roll grinding machine |
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| Title |
|---|
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109773247A (en) * | 2019-02-21 | 2019-05-21 | 安徽新园矿山设备制造有限责任公司 | A kind of edge milling machines suitable for roller carrier shaft processing |
| CN109773627A (en) * | 2019-04-01 | 2019-05-21 | 钛马迪家居江苏有限公司 | A kind of two-way grinding device of furniture swivel component |
| CN109968115A (en) * | 2019-05-07 | 2019-07-05 | 安徽金瑞智能装备有限公司 | A kind of special efficient cylindrical grinder |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161214 |
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| RJ01 | Rejection of invention patent application after publication |