CN105834898A - Intelligent double-sided grinding head assembly of vertical high-precision high-speed grinding machine - Google Patents
Intelligent double-sided grinding head assembly of vertical high-precision high-speed grinding machine Download PDFInfo
- Publication number
- CN105834898A CN105834898A CN201610345470.0A CN201610345470A CN105834898A CN 105834898 A CN105834898 A CN 105834898A CN 201610345470 A CN201610345470 A CN 201610345470A CN 105834898 A CN105834898 A CN 105834898A
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- China
- Prior art keywords
- main shaft
- belt wheel
- sleeve
- shaft core
- shaft
- 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
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/002—Grinding heads
-
- 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
- B24B27/0046—Column grinding machines
-
- 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
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
- B24B41/047—Grinding heads for working on plane surfaces
-
- 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
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
-
- 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
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
- B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
- B24B7/17—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings for simultaneously grinding opposite and parallel end faces, e.g. double disc grinders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to an intelligent double-sided grinding head assembly of a vertical high-precision high-speed grinding machine. The intelligent double-sided grinding head assembly comprises a machine head sleeve, a main shaft rotating core shaft sleeve, a main shaft rotating core shaft, a V belt wheel core shaft fixing sleeve and a V belt wheel core shaft, wherein the V belt wheel core shaft is positioned on the periphery of the main shaft rotating core shaft; a square window is formed in the machine head sleeve; a screw rod nut seat which is fixedly connected with the outer wall of the main shaft rotating core shaft sleeve and penetrates through the square window is mounted at the square window; a screw rod nut and a longitudinal ball screw matched with the screw rod nut are arranged on the screw rod nut seat; and a lifting reducer and a servo motor are mounted at one end of the longitudinal ball screw. According to the intelligent double-sided grinding head assembly, a grinding head main shaft lifting driving component and a grinding head main shaft rotating driving component are mutually independent, the lifting driving component is oppositely positioned at the side part of a main shaft, and an externally arranged structure is adopted, so that the assembly, control and maintenance are more convenient, the changeability of parts is high, the entire machine cost and maintenance cost and are greatly reduced, and the service life is greatly prolonged.
Description
Technical field:
The present invention relates to machining tool technical field, refer in particular to a kind of intelligent double-sided vertical high-accuracy
The grinding head assembly of high speed grinding machine.
Background technology:
In the grinding head assembly of existing vertical and high-speed grinding machine, the lifting rotating main shaft of head is driven
Dynamic assembly is often along rotating the axial arranged of main shaft, and uses built-in frame mode,
I.e. rotation main shaft being carried out push-and-pull and realize lifting, this frame mode makes in grinding head assembly each
The difficulty of processing of parts is big, machining accuracy is difficult to ensure that, overall assembling is complex, after
Continuous maintenance is the most inconvenient, and maintenance cost is high.
Summary of the invention:
It is an object of the invention to overcome the above-mentioned weak point of prior art, it is provided that Yi Zhongzhi
The grinding head assembly of the two-sided vertical high-accuracy high speed grinding machine of energy.
The present invention realizes its purpose and be the technical scheme is that a kind of intelligent double-sided vertical height
The grinding head assembly of high speed and precision grinding machine, this grinding head assembly includes:
One head sleeve, is provided with one in the bottom of this head sleeve and the inwall of middle and upper part
Clutch shaft bearing group, is provided with main shaft rotary core by this clutch shaft bearing group in head sleeve inner
Shaft sleeve；The inwall of two ends up and down at main shaft rotary shaft core retainer plate cylinder is provided with the second bearing group,
Main shaft rotary shaft is had the internally installed of main shaft rotary shaft core retainer plate cylinder by this second bearing group
Core, and described main shaft rotate shaft core two ends up and down pass described head sleeve, main shaft respectively
The two ends up and down of rotary shaft core retainer plate cylinder；
Upper end inwall at described head sleeve is also installed with a V belt wheel mandrel and fixes
Sleeve, V belt wheel mandrel is fixed the inwall of sleeve and is provided with the 3rd bearing group, by the 3rd axle
Hold group to fix the internally installed of sleeve at V belt wheel mandrel and have V belt wheel mandrel, V belt wheel mandrel position
The periphery of shaft core is rotated in main shaft；Being provided with internal spline at V belt wheel mandrel inwall, main shaft rotates
Shaft core outer wall is provided with corresponding external splines, and the external splines of main shaft rotation shaft core passes V band
Wheel mandrel upper end, and be slidably matched with V belt wheel mandrel internal spline, between i.e. interior external splines
Can slide axially；
Described V belt wheel mandrel upper end passes the upper end of head sleeve, and passes part
Periphery is provided with V belt wheel, V belt wheel and V belt wheel mandrel synchronous rotary；
The side sidewall of the lower semisection of described head sleeve offers its interior master of one section of confession
The square window that axle rotary shaft core retainer plate cylinder exposes, is provided with one with main at this square window
The outer wall of axle rotary shaft core retainer plate cylinder fixes the feed screw nut seat connecting and passing square window, silk
Thick stick nut seat is provided with feed screw nut and the longitudinal ball-screw mated with feed screw nut, vertical
Lifting decelerator and servomotor are installed to one end of ball-screw；
Main shaft rotates the bottom face of shaft core and is connected with emery wheel mounting flange and emery wheel in turn.
Wherein, clutch shaft bearing group is made up of the most each self-lubricating bearing；Second bearing group
In, the bearing being positioned at upper end is a double-row conical bearing, and the bearing being positioned at lower end is
It is made up of two angular contact thrust ball bearings and a double-row conical bearing；Described 3rd
Bearing group is made up of the most each deep groove ball bearing.
In the bottom of main shaft rotary shaft core retainer plate cylinder, main shaft rotate shaft core periphery master is installed
Support bushing, F RunddichtringO and shaft core sleeve lower seal blind flange under axle shaft core.
Head lower seal blind flange and rubber seal are installed in the bottom of head sleeve.
Pass through said structure so that the existing lift adjustment of whole grinding head assembly is moved and has again rotation
Transhipment is dynamic, it is achieved thereby that grinding operation.Lifting spindle in the present invention drives assembly and master
Axle rotary drive assembly is separate, and lifting drives assembly to be located relatively at main shaft sidepiece, uses
Outlet structure so that assemble, control, safeguard more convenient, parts convertibility
By force, complete machine cost and maintenance cost are greatly reduced, and service life significantly extends.
Accompanying drawing illustrates:
Fig. 1 is the sectional structure schematic diagram of grinding head assembly of the present invention；
Fig. 2 is the outer surface level structural representation of grinding head assembly of the present invention.
Detailed description of the invention:
Below in conjunction with specific embodiments and the drawings, the present invention is further described.
As Figure 1-Figure 2, of the present invention is a kind of intelligent double-sided vertical high-accuracy height
The grinding head assembly of speed grinding machine, it includes main shaft mounting assembly, main shaft rotary drive assembly and master
Axle lifting drives assembly, and specifically, this grinding head assembly includes:
One head sleeve 1, head sleeve 1 external stability is arranged on the frame () of grinding machine in figure slightly
On, in the bottom of this head sleeve 1 and the inwall of middle and upper part, one clutch shaft bearing group is installed
11, there is main shaft rotary core axle sleeve by this clutch shaft bearing group 11 head sleeve 1 is internally installed
Cylinder 2；The inwall of two ends up and down at main shaft rotary shaft core retainer plate cylinder 2 is provided with the second bearing group
21, there is main shaft by this second bearing group 21 the internally installed of main shaft rotary shaft core retainer plate cylinder 2
Rotate shaft core 3, and the two ends up and down of described main shaft rotation shaft core 3 pass described head set respectively
Cylinder 1, the two ends up and down of main shaft rotary shaft core retainer plate cylinder 2；The upper end of main shaft rotary shaft core retainer plate cylinder 2
Not passing head sleeve 1 upper end, lower end passes the lower end of head sleeve 1, main shaft rotary shaft
The lower end of core 3 passes the lower end of main shaft rotary shaft core retainer plate cylinder 2；I.e. main shaft rotates shaft core 3 liang
End all exposes；
It is solid that upper end inwall at described head sleeve 1 is also installed with a V belt wheel mandrel
Determining sleeve 4, V belt wheel mandrel is fixed the inwall of sleeve 4 and is provided with the 3rd bearing group 41, passes through
3rd bearing group 41 fixes the internally installed of sleeve 4 at V belt wheel mandrel V belt wheel mandrel
5, V belt wheel mandrels 5 are positioned at main shaft and rotate the periphery of shaft core 3；At V belt wheel mandrel 5 inwall
Being provided with internal spline 51, main shaft rotates shaft core 3 outer wall and is provided with corresponding external splines 31, and main
Axle rotates the external splines 31 of shaft core 3 and passes V belt wheel mandrel 5 upper end, inside and outside spline slide
Coordinate, can be axially moveable between i.e. interior external splines；
Described V belt wheel mandrel 5 upper end passes the upper end of head sleeve 1, and passes portion
The periphery divided is provided with V belt wheel 52, V belt wheel 52 and V belt wheel mandrel 5 synchronous rotary；I.e.
It is connected with driving motor 54 by V belt wheel 52, V band 53, logical when driving motor 54 to work
Cross V band 53, V belt wheel 52 drives V belt wheel shaft core 5 to rotate, the rotation of V belt wheel shaft core 5
Synchronize drive shaft rotation shaft core 3 by spline structure to rotate；
It is interior to offer one section of confession on the side sidewall of the lower semisection of described head sleeve 1
The square window 101 that main shaft rotary shaft core retainer plate cylinder 2 exposes, installs at this square window 101
Have one to fix with the outer wall of main shaft rotary shaft core retainer plate cylinder 2 be connected and pass square window 101
Feed screw nut seat 12, feed screw nut seat 12 be provided with feed screw nut 13 and with leading screw spiral shell
Longitudinal ball-screw 14 of female 13 couplings, one end of longitudinal ball-screw 14 is by servo electricity
Machine 15 and decelerator 16 connect and drive；Servomotor 15, decelerator 16 and longitudinally rolling
Ballscrew 14 is fixed in frame；When longitudinal ball-screw 14 is servomotor 15 He
When rotating under the driving of decelerator 16, feed screw nut 13 oscilaltion will be driven, thus logical
Cross leading screw nut seat 12, main shaft rotary shaft core retainer plate cylinder 2 drives main shaft to rotate shaft core 3 and realizes rising
Fall, it is achieved thereby that the gap width regulation between emery wheel；
Main shaft rotates the bottom face of shaft core 3 and is connected with emery wheel mounting flange 32 and emery wheel in turn
33。
Wherein, clutch shaft bearing group 11 is made up of the most each self-lubricating bearing, self-lubricating axle
Having held self-lubricate, high-wearing feature high rigidity, overall dimensions is little, it is simple to the characteristic of installation；
In second bearing group 21, the bearing being positioned at upper end is a double-row conical bearing 211,
The bearing being positioned at lower end is by two angular contact thrust ball bearings 212 and a double row tapered roller
Sub-bearing 211 is constituted, the Biserial cylindrical roller bearing (type that high rigidity is high-accuracy
Number: NSK, NN3016K), play a supportive role, be primarily subjected to radial load, bear one simultaneously
The axial load in a fixed direction；Angular contact thrust ball bearing (model:
NSK, BTR9510S), the big contact angle of 40 °, high values of stiffness, bear the axial of rotary core shaft
Load, it is sufficient to ensure the high rigidity of grinding spindle, and high torque；Described 3rd bearing group 41
It is made up of the most each deep groove ball bearing, 2 deep groove ball bearings, rises and rotate supporting role.
In the bottom of main shaft rotary shaft core retainer plate cylinder 2, main shaft rotate the peripheral installation of shaft core 3
There are support bushing 301 under main shaft shaft core, F RunddichtringO 302 and shaft core sleeve lower seal flange
Lid 303；F RunddichtringO 302 is that to be exclusively used in the high-wearing feature F type of the occasion that rotates close
Seal, support bushing 301 under fitted shaft core retainer plate cylinder lower seal blind flange 303 and main shaft mandrel
Make internal structure design become close palace structure, play one and seal water proof and dust proof effect；So design
The high abrasion water proof and dust proof F RunddichtringO installed adds under the shaft core sleeve of close palace structure of design
Sealing flange cover is the formation of dual-seal dustproof and waterproof effect, the most very effective carries
The high sealing property of main shaft, improves the service life of main shaft；
In the bottom of head sleeve 1, the periphery of main shaft rotary shaft core retainer plate cylinder 2 install organic
Head lower seal blind flange 201 and rubber seal 202, rubber seal 202 be exclusively used in past
The rubber seal of the high-wearing feature of multiple motion occasion, plays sealing and dustproof effect, effectively protects
Protect self-lubricating bearing and main shaft mandrel sleeve outer ring is injury-free, it is ensured that main shaft precision.
Pass through said structure so that main shaft rotates shaft core 3 energy lift adjustment and rotary work,
Thus carry out grinding operation and make the motion of whole grinding head assembly existing lift adjustment and have again rotation
Motion, it is achieved thereby that grinding operation.Lifting spindle in the present invention drives assembly and main shaft
Rotary drive assembly is separate, and lifting drives assembly to be located relatively at main shaft sidepiece, outside employing
Putting formula structure, so that assembling, controlling, safeguarding more convenient, parts convertibility is strong,
Complete machine cost and maintenance cost are greatly reduced, and service life significantly extends.
In sum, whole bistrique head is designed to the structure of separate modular, mainly has
Advantages below:
1, difficulty of processing reduces, and machining accuracy more preferably ensures, improves the easness realizing function；
2, assembly difficulty reduces, and assembly precision more preferably ensures, improves efficiency of assembling, is more beneficial for criticizing
Quantify to produce, improve production efficiency；
3, detachable maintaining is convenient, reduces maintenance difficulty, reduces client's use and maintenance cost.
Claims (4)
1. the grinding head assembly of an intelligent double-sided vertical high-accuracy high speed grinding machine, it is characterised in that: this grinding head assembly includes:
One head sleeve, is provided with clutch shaft bearing group in the bottom of this head sleeve and the inwall of middle and upper part, is provided with main shaft rotary core shaft sleeve by this clutch shaft bearing group in head sleeve inner；The inwall of two ends up and down at main shaft rotary shaft core retainer plate cylinder is provided with the second bearing group, there is main shaft to rotate shaft core by this second bearing group the internally installed of main shaft rotary shaft core retainer plate cylinder, and the two ends up and down of described main shaft rotation shaft core pass described head sleeve, the two ends up and down of main shaft rotary shaft core retainer plate cylinder respectively；
Upper end inwall at described head sleeve is also installed with a V belt wheel mandrel and fixes sleeve, V belt wheel mandrel is fixed the inwall of sleeve and is provided with the 3rd bearing group, fixing the internally installed of sleeve by the 3rd bearing group at V belt wheel mandrel and have V belt wheel mandrel, V belt wheel mandrel is positioned at main shaft and rotates the periphery of shaft core；It is provided with internal spline at V belt wheel mandrel inwall, main shaft rotary shaft outer core is provided with corresponding external splines, and main shaft rotates the external splines of shaft core and passes V belt wheel mandrel upper end, and is slidably matched with V belt wheel mandrel internal spline, can slide axially between i.e. interior external splines；
Described V belt wheel mandrel upper end passes the upper end of head sleeve, and the periphery passing part is provided with V belt wheel, V belt wheel and V belt wheel mandrel synchronous rotary；
The side sidewall of the lower semisection of described head sleeve offers the square window that its interior main shaft rotary shaft core retainer plate cylinder of one section of confession exposes, at this square window, it is provided with one fixes the feed screw nut seat being connected and passing square window with the outer wall of main shaft rotary shaft core retainer plate cylinder, feed screw nut seat is provided with feed screw nut and the longitudinal ball-screw mated with feed screw nut, and one end of longitudinal ball-screw is provided with lifting decelerator and servomotor；
Main shaft rotates the bottom face of shaft core and is connected with emery wheel mounting flange and emery wheel in turn.
The grinding head assembly of intelligent double-sided vertical high-accuracy high speed grinding machine the most according to claim 1, it is characterised in that: clutch shaft bearing group is made up of the most each self-lubricating bearing；In second bearing group, the bearing being positioned at upper end is a double-row conical bearing, and the bearing being positioned at lower end is to be made up of two angular contact thrust ball bearings and a double-row conical bearing；Described 3rd bearing group is made up of the most each deep groove ball bearing.
The grinding head assembly of intelligent double-sided vertical high-accuracy high speed grinding machine the most according to claim 1, it is characterised in that: in the bottom of main shaft rotary shaft core retainer plate cylinder, main shaft rotate shaft core periphery support bushing under main shaft shaft core, F RunddichtringO and shaft core sleeve lower seal blind flange are installed.
The grinding head assembly of intelligent double-sided vertical high-accuracy high speed grinding machine the most according to claim 1, it is characterised in that: head lower seal blind flange and rubber seal are installed in the bottom of head sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610345470.0A CN105834898A (en) | 2016-05-20 | 2016-05-20 | Intelligent double-sided grinding head assembly of vertical high-precision high-speed grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610345470.0A CN105834898A (en) | 2016-05-20 | 2016-05-20 | Intelligent double-sided grinding head assembly of vertical high-precision high-speed grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105834898A true CN105834898A (en) | 2016-08-10 |
Family
ID=56594124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610345470.0A Pending CN105834898A (en) | 2016-05-20 | 2016-05-20 | Intelligent double-sided grinding head assembly of vertical high-precision high-speed grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105834898A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106695522A (en) * | 2016-12-30 | 2017-05-24 | 佛山市铭创科技有限公司 | Tile dry cast machine grinding head structure |
| CN106737160A (en) * | 2017-01-24 | 2017-05-31 | 佛山慧谷科技股份有限公司 | A kind of rubbing down head assembly |
| CN107866580A (en) * | 2016-09-27 | 2018-04-03 | 浙江双正机床有限公司 | A kind of line rail unit head of water proof and dust proof |
| CN108406518A (en) * | 2018-05-17 | 2018-08-17 | 上海谷柏特汽车科技有限公司 | A kind of Z axis wheel hub wire drawing machine |
| CN108942583A (en) * | 2016-12-30 | 2018-12-07 | 泉州市佳能机械制造有限公司 | Revolving body processing of stone all-in-one machine |
| CN109968155A (en) * | 2019-05-12 | 2019-07-05 | 宇环数控机床股份有限公司 | A kind of loading device for single side accurate grinding grinding machine |
| CN110153715A (en) * | 2019-06-21 | 2019-08-23 | 安吉德卡办公系统有限公司 | A kind of full-automatic tapping machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0057298A2 (en) * | 1981-01-29 | 1982-08-11 | Ag Für Automatisierung | Machine for grinding the grooves of helicoidal cutters |
| CN2759685Y (en) * | 2004-11-26 | 2006-02-22 | 横店集团东磁有限公司 | Wheel head adjusting mechanism |
| CN103934738A (en) * | 2014-04-25 | 2014-07-23 | 广东新海岸机械有限公司 | Grinding wheel balancing device of glass rapid edge grinding machine |
| CN205734418U (en) * | 2016-05-20 | 2016-11-30 | 东莞市鸿金顺机械制造有限公司 | The grinding head assembly of intelligent double-sided vertical high-accuracy high speed grinding machine |
-
2016
- 2016-05-20 CN CN201610345470.0A patent/CN105834898A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0057298A2 (en) * | 1981-01-29 | 1982-08-11 | Ag Für Automatisierung | Machine for grinding the grooves of helicoidal cutters |
| CN2759685Y (en) * | 2004-11-26 | 2006-02-22 | 横店集团东磁有限公司 | Wheel head adjusting mechanism |
| CN103934738A (en) * | 2014-04-25 | 2014-07-23 | 广东新海岸机械有限公司 | Grinding wheel balancing device of glass rapid edge grinding machine |
| CN205734418U (en) * | 2016-05-20 | 2016-11-30 | 东莞市鸿金顺机械制造有限公司 | The grinding head assembly of intelligent double-sided vertical high-accuracy high speed grinding machine |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107866580A (en) * | 2016-09-27 | 2018-04-03 | 浙江双正机床有限公司 | A kind of line rail unit head of water proof and dust proof |
| CN106695522A (en) * | 2016-12-30 | 2017-05-24 | 佛山市铭创科技有限公司 | Tile dry cast machine grinding head structure |
| CN108942583A (en) * | 2016-12-30 | 2018-12-07 | 泉州市佳能机械制造有限公司 | Revolving body processing of stone all-in-one machine |
| CN108995048A (en) * | 2016-12-30 | 2018-12-14 | 泉州市佳能机械制造有限公司 | Revolving body processing of stone all-in-one machine |
| CN108995048B (en) * | 2016-12-30 | 2020-02-21 | 泉州市佳能机械制造有限公司 | Revolving body stone processing all-in-one machine |
| CN106737160A (en) * | 2017-01-24 | 2017-05-31 | 佛山慧谷科技股份有限公司 | A kind of rubbing down head assembly |
| CN106737160B (en) * | 2017-01-24 | 2019-01-15 | 佛山慧谷科技股份有限公司 | A kind of rubbing down head assembly |
| CN108406518A (en) * | 2018-05-17 | 2018-08-17 | 上海谷柏特汽车科技有限公司 | A kind of Z axis wheel hub wire drawing machine |
| CN109968155A (en) * | 2019-05-12 | 2019-07-05 | 宇环数控机床股份有限公司 | A kind of loading device for single side accurate grinding grinding machine |
| CN110153715A (en) * | 2019-06-21 | 2019-08-23 | 安吉德卡办公系统有限公司 | A kind of full-automatic tapping machine |
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| C06 | Publication | ||
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 523000 Humen Town, Dongguan, Guangdong Province Longyan Village Applicant after: Guangdong hung Jin Shun intelligent equipment Limited by Share Ltd Address before: 523920 longan new industrial zone, Humen Town, Guangdong, Dongguan Applicant before: Dongguan Hongjinshun Machinery Manufacturing Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160810 |