CN105643403B - Multi-work piece polishing machine - Google Patents
Multi-work piece polishing machine Download PDFInfo
- Publication number
- CN105643403B CN105643403B CN201610126498.5A CN201610126498A CN105643403B CN 105643403 B CN105643403 B CN 105643403B CN 201610126498 A CN201610126498 A CN 201610126498A CN 105643403 B CN105643403 B CN 105643403B
- Authority
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- China
- Prior art keywords
- slide
- roll shaft
- shaft
- screw mandrel
- frame
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- 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.)
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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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/02—Machines or devices using grinding or polishing belts; Accessories therefor for grinding rotationally symmetrical 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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—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
- 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
- B24B47/10—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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The present invention discloses a kind of multi-work piece polishing machine.It includes frame, and frame top has supporting plate, and supporting plate longitudinal direction both sides have respectively power transmission shaft and roll shaft on head, tailstock, headstock, have gear on power transmission shaft and roll shaft.Roll shaft inner end, which has on chuck, tailstock, jacking mechanism.Frame is while there is the first motor, and on the first motor output shaft and power transmission shaft outer end has is connected with transmission belt between the first belt wheel, two first belt wheels.Having in frame front and rear side between pole socket, two pole sockets has screw mandrel.There is handwheel screw mandrel one end.There is slide above screw mandrel, slide transverse direction both sides, which have, is connected with nut in the middle of lower chimb, slide lower surface, screw mandrel is screwed in nut.There is polishing mechanism on slide, be characterized in roll shaft and jacking mechanism at least two.Have between power transmission shaft and that adjacent roll shaft between adjacent roll shaft and mesh together between transition axis and gear, corresponding gear.The present invention can process multiple workpiece simultaneously, and energy-conservation, production efficiency is high, easy to operate.Suitable for the polishing on tubulose or rod-shaped workpiece surface.
Description
Technical field
The present invention relates to a kind of polishing mechanical.Specifically, it is for while the polishing being polished to multiple workpiece surfaces
Machine, be particularly suitable for use in the polishing to tubulose or rod-shaped workpiece surface.
Background technology
All it is traditional for the polishing machine that is processed by shot blasting to tubulose or rod-shaped workpiece at present in mechanical processing industry
Polishing machine.This traditional polishing machine includes frame, and the frame is approximate cuboid, and its top has what can be vertically moved along it
Supporting plate, longitudinal both sides of supporting plate have respectively on headstock and tailstock, headstock have power transmission shaft and a roll shaft and power transmission shaft and roll shaft with
Coordinate between headstock in rotatable shape, have gear on power transmission shaft and roll shaft and two gears mesh together.Roll shaft inner end is useful
There is one to be used for the jacking mechanism of the top tight workpiece other end on chuck in the main workpiece one end of card, tailstock, the jacking mechanism is by spiral shell
Screw rod that is female and being screwed in nut is constituted, and nut-welding therein is on tailstock.The frame of neighbouring headstock has motor on one side, electric
On the output shaft of machine and power transmission shaft outer end has is connected with transmission belt between the first belt wheel, two first belt wheels.In the front and rear side of frame
Having between pole socket, two pole sockets has screw mandrel, coordinates between screw mandrel two ends and corresponding pole socket in rotatable shape, there is handwheel screw mandrel one end.Silk
Having above bar on slide, slide has polishing mechanism.Slide transverse direction both sides, which have, props slide and is carried out along frame upper surface horizontal
To the lower chimb of slip, nut is fixed with the middle of slide lower surface, the screw mandrel is screwed in nut.During work, swinging handle can
The polishing mechanism on slide and its slide is driven to be moved along before and after supporting plate by screw mandrel, nut, for regulation polishing
Spacing between mechanism and workpiece to be machined.Due to distinguishing only one of which roll shaft on the headstock on traditional polishing machine and on tailstock
With a jacking mechanism so that a workpiece to be machined can only be installed.That is, this polishing machine can only once process one
Workpiece, big energy-consuming, low production efficiency.Again because jacking mechanism is made up of nut and the screw rod being screwed in nut, hand need to be passed through
It is dynamic screw screw rod and add workpiece to be machined be clamped between screw rod and chuck, not only efficiency is low, operates also cumbersome.
The content of the invention
The problem to be solved in the present invention is to provide a kind of multi-work piece polishing machine., can be simultaneously to multiple using this polishing machine
Workpiece is processed by shot blasting that not only energy-conservation, production efficiency are high, and it is more convenient to operate.
The invention solves the problems that above mentioned problem realized by following technical scheme：
The multi-work piece polishing machine of the present invention includes frame, and the frame is approximate cuboid, and its top has can be along its longitudinal direction
Mobile supporting plate, longitudinal both sides of supporting plate have on headstock and tailstock, headstock respectively has power transmission shaft and roll shaft and power transmission shaft and roll shaft
Coordinate between being sat with head in rotatable shape, have gear on power transmission shaft and roll shaft and two gears mesh together.Roll shaft inner end has
For the chuck of the main workpiece one end of card, there is the jacking mechanism for the top tight workpiece other end on tailstock.The frame one of neighbouring headstock
While there is the first motor, on the output shaft of the first motor and power transmission shaft outer end has is connected with transmission between the first belt wheel, two first belt wheels
Band.Having in the front and rear side of frame between pole socket, two pole sockets has screw mandrel, matches somebody with somebody between screw mandrel two ends and corresponding pole socket in rotatable shape
Close, there is handwheel screw mandrel one end.There is slide above screw mandrel, slide transverse direction both sides, which have, props slide and carried out along frame upper surface
Nut is fixed with the middle of the lower chimb slid laterally, slide lower surface, the screw mandrel is screwed in nut.There is polishing on the slide
Mechanism, it is characterised in that at least two, the roll shaft and jacking mechanism and the two between it is corresponding one by one.Between adjacent roll shaft
Having between power transmission shaft and that adjacent roll shaft has gear on transition axis, transition axis, between the gear on adjacent roll shaft, be driven
Mesh together between the gear on gear and adjacent transition axle on axle.
Further improvement of the present invention scheme is that the jacking mechanism includes oil cylinder, and the piston rod outer end of oil cylinder has top,
It is described top operationally to withstand on one end of workpiece to be machined.
Further improvement of the present invention scheme is that there is slide rail on the longitudinal both sides in top of frame, corresponding with two slide rail
Supporting plate lower surface longitudinally have chute, two slide rail is respectively placed in respective slide slots；Machine under one of slide rail
Being fixed with the wall of frame side under rack, rack has the 3rd motor, has gear on the output shaft of the 3rd motor, the gear and the tooth
Bar meshes together.
Further improvement of the present invention scheme is that screw mandrel one end away from handwheel has the 4th motor, the output of the 4th motor
Axle screw mandrel one end adjacent thereto is connected.
Further improvement of the present invention scheme is, the polishing mechanism includes being fixed on the on slide glide direction one side
Two motors, the output shaft of the second motor is vertical with the screw mandrel, there is tensioned on support, support on the slide on the inside of the second motor
Frame；The tension bracket contains adjustment axis and sleeve pipe, and the adjustment axis is hollow-core construction, and its upper end is fixed with wheel shaft, and its lower end has
Internal thread, its lower end is stretched into sleeve pipe from sleeve upper end in shape is slided；Its lower end has annular internal projection, and adjustment axis lower end is withstood on
On the annular internal projection medial surface；There is adjusting screw rod between the lower end of adjustment axis and sleeve pipe, adjusting screw rod lower end has annular outer to rise,
The external diameter that annular outer rises is more than the internal diameter of the annular internal projection, and adjusting screw rod upper end is revolved after being passed through from annular internal projection center
In the internal thread for entering adjustment axis lower end；On the output shaft of second motor and the wheel shaft of sleeve upper end has the second belt wheel, two the
Abrasive band is connected between two belt wheels, the tension bracket is on the inside of abrasive band.
The further improvement project of the present invention is that have between the upper and lower surface in the abrasive band and the upper surface of supporting plate and be less than
90 degree of the first angle, has less than 90 where the output shaft of described each roll shaft and corresponding oil cylinder between plane and splint upper surface
Second angle of degree, and the first angle is equal with the second angle, to make the same side of each workpiece to be machined can be with sand
Band downside is in contact.
As can be seen from the above scheme, due to relative one by one between the roll shaft and jacking mechanism at least two and the two
Should.Having between power transmission shaft and that adjacent roll shaft between adjacent roll shaft has gear on transition axis, transition axis, adjacent roll shaft
On gear between, the gear on power transmission shaft and mesh together between the gear on adjacent transition axle so that while can be to two
Multiple workpiece above are processed by shot blasting.The polishing machine that can only process one in background technology is compared, and utilizes one work of processing
The energy consumption of part can process multiple workpiece simultaneously, not only save energy consumption, also improve production efficiency.Again due to the jacking mechanism
It is made up of oil cylinder and the top of cylinder piston rod outer end, can automatically realizes and workpiece is held out against, is not required to screw screw rod with regard to energy manually
Workpiece to be machined is clamped between screw rod and chuck, not only efficiency high, operated also more convenient.
Brief description of the drawings
Fig. 1 is the multi-work piece polisher structure schematic diagram of the present invention；
Fig. 2 is Fig. 1 A direction views；
Fig. 3 is Fig. 1 B direction views；
Fig. 4 is Fig. 1 D direction views；
Fig. 5 is Fig. 4 E-E schematic cross-sectional views.
Embodiment
As shown in Fig. 1 ~ Fig. 5, multi-work piece polishing machine of the invention includes frame 10, and the frame 10 is approximate cuboid,
Its top is provided with the supporting plate 11 that can be vertically moved along it, and longitudinal both sides of supporting plate 11 are separately installed with headstock 6 and tailstock 13, head
Power transmission shaft 4 and roll shaft 5 are provided with seat 6 and are coordinated between power transmission shaft 4 and roll shaft 5 and head seat 6 in rotatable shape.The He of power transmission shaft 4
Gear 15 is respectively and fixedly provided with roll shaft 5 and two gears 15 mesh together.The inner end of roll shaft 5 is provided with for blocking the one end of workpiece 9
Jacking mechanism for the other end of top tight workpiece 9 is installed on chuck 7, tailstock 13.The jacking mechanism includes oil cylinder 14, oil cylinder
14 piston rod outer end is provided with top 12, described top 12 and operationally withstood on one end of workpiece to be machined 9.
One side of frame 10 of neighbouring headstock 6 is provided with the first motor 1, the output shaft of the first motor 1 and the outer end of power transmission shaft 4
It is mounted on being connected with transmission belt 2 between the first belt wheel 3, two first belt wheels 3.Pole socket 27, two are provided with the front and rear side of frame 10
Screw mandrel 25 is provided between individual pole socket 27, is coordinated between the two ends of screw mandrel 25 and corresponding pole socket 27 in rotatable shape, the one end of screw mandrel 25 is installed
There is handwheel.The top of screw mandrel 25 is provided with slide 21, and the horizontal both sides of slide 21, which are machined with, props slide 21 and along in frame 10
Nut 28 is fixed with the middle of the lower chimb 22 that surface is slid laterally, the lower surface of slide 21, the screw mandrel 25 screws in nut 28
It is interior.Polishing mechanism is provided with the slide 21.The polishing mechanism includes the be fixed on the glide direction one side of slide 21
Two motors 8, the output shaft of the second motor 8 is vertical with the screw mandrel 25, has support 24 on the slide 21 of the inner side of the second motor 8, props up
Tensioned frame on frame 24.The tension bracket contains adjustment axis 32 and sleeve pipe 33, and the adjustment axis 32 is hollow-core construction, and its upper end is consolidated
Surely there is wheel shaft 31, its lower end is machined with internal thread, its lower end is stretched into sleeve pipe 33 from the upper end of sleeve pipe 33 in shape is slided.Under sleeve pipe 33
End is machined with annular internal projection 34, and the lower end of adjustment axis 32 is withstood on the annular medial surface of internal projection 34.Adjustment axis 32 and sleeve pipe 33
Adjusting screw rod 29 is provided between lower end, the lower end of adjusting screw rod 29 is machined with annular outer and plays 30, and the external diameter that annular outer plays 30 is big
In the internal diameter of annular internal projection 34, the upper end of adjusting screw rod 29 screws in the lower end of adjustment axis 32 after being passed through from the annular center of internal projection 34
In internal thread.The second belt wheel 35, two second are mounted on the wheel shaft 31 of on the output shaft of the second motor 8 and upper end of sleeve pipe 33
Abrasive band 23 is connected between belt wheel 35, the tension bracket is in the inner side of abrasive band 23.The top and bottom in the abrasive band 23 and the upper table of supporting plate 11
Angle where the output shaft of angle, each described roll shaft and corresponding oil cylinder between face between plane and splint upper surface is respectively less than 90
Degree, and two angles are equal, to make the same side of each workpiece to be machined 9 to be in contact with the downside of abrasive band 23.
The roll shaft 5 and jacking mechanism have corresponding one by one between three and three.With power transmission shaft 4 between adjacent roll shaft 5
It is provided between that adjacent roll shaft 5 on transition axis 16, transition axis 16 and is mounted on gear 15, the tooth on adjacent roll shaft 5
Mesh together between wheel 15, between the gear 15 on gear 15 and adjacent transition axle 16 on power transmission shaft 4.
Slide rail 17 is provided with the longitudinal both sides in the top of frame 10, supporting plate 11 lower surface corresponding with two slide rails 17 is indulged
To chute is machined with, two slide rail 17 is respectively placed in respective slide slots.The side of frame 10 under one of slide rail 17
It is fixed with rack 18 on wall, rack 18 is in horizontally disposed, and rack 18 is arranged with the 3rd motor 19, the output of the 3rd motor 19
Gear 15 is fixed with axle, the gear meshes together with the rack 18.
Screw mandrel one end away from handwheel is provided with the 4th motor 20, the output shaft screw mandrel adjacent thereto of the 4th motor 20
25 one end are connected.
Claims (5)
1. multi-work piece polishing machine, including frame（10）, the frame（10）For approximate cuboid, its top, which has, longitudinally to be moved along it
Dynamic supporting plate（11）, supporting plate（11）Longitudinal both sides have headstock respectively（6）And tailstock（13）, headstock（6）On have power transmission shaft（4）With
Roll shaft（5）And power transmission shaft（4）And roll shaft（5）With headstock（6）Between in rotatable shape coordinate, power transmission shaft（4）And roll shaft（5）It is upper equal
There is gear（15）And two gears（15）Mesh together；Roll shaft（5）Inner end has for blocking workpiece（9）The chuck of one end（7）, tail
Seat（13）On have for top tight workpiece（9）The jacking mechanism of the other end；Neighbouring headstock（6）Frame（10）While there is the first motor
（1）, the first motor（1）Output shaft on and power transmission shaft（4）There is the first belt wheel outer end（3）, two first belt wheels（3）Between be connected with biography
Dynamic band（2）；Frame（10）Front and rear side on have pole socket（27）, two pole sockets（27）Between have screw mandrel（25）, screw mandrel（25）Two ends
With corresponding pole socket（27）Between in rotatable shape coordinate, screw mandrel（25）There is handwheel one end；Screw mandrel（25）There is slide top（21）, slide
（21）Horizontal both sides have slide（21）Prop and along frame（10）The lower chimb that upper surface is slid laterally（22）, slide
（21）Nut is fixed with the middle of lower surface（28）, the screw mandrel（25）Screw in nut（28）It is interior；The slide（21）On have polishing
Mechanism；It is characterized in that the roll shaft（5）And jacking mechanism at least two and the two between it is corresponding one by one；Adjacent roll shaft
（5）Between and power transmission shaft（4）With that adjacent roll shaft（5）Between have transition axis（16）, transition axis（16）On have gear（15）,
Adjacent roll shaft（5）On gear（15）Between, power transmission shaft（4）On gear（15）With adjacent transition axle（16）On gear（15）Between
Mesh together；The polishing mechanism includes being fixed on slide（21）The second motor on glide direction one side（8）, the second electricity
Machine（8）Output shaft and the screw mandrel（25）Vertically, the second motor（8）The slide of inner side（21）On have support（24）, support
（24）Upper tensioned frame；The tension bracket contains adjustment axis（32）And sleeve pipe（33）, the adjustment axis（32）For hollow-core construction, its
Upper end is fixed with wheel shaft（31）, there is internal thread its lower end, and its lower end is from sleeve pipe（33）Sleeve pipe is stretched into upper end in shape is slided（33）It is interior；
Sleeve pipe（33）There is annular internal projection lower end（34）, adjustment axis（32）Lower end withstands on annular internal projection（34）On medial surface；Adjustment axis
（32）And sleeve pipe（33）Lower end between have adjusting screw rod（29）, adjusting screw rod（29）Lower end has annular outer to rise（30）, it is annular outer
It is raised（30）External diameter be more than annular internal projection（34）Internal diameter, adjusting screw rod（29）Upper end is from annular internal projection（34）Wear at center
Later adjustment axis is screwed in（32）In the internal thread of lower end；Second motor（8）Output shaft on and sleeve pipe（33）The wheel shaft of upper end
（31）On have the second belt wheel（35）, two the second belt wheels（35）Between be connected with abrasive band（23）, the tension bracket is in abrasive band（23）
Inner side.
2. multi-work piece polishing machine according to claim 1, it is characterised in that the jacking mechanism includes oil cylinder（14）, oil cylinder
（14）Piston rod outer end have top（12）, it is described top（12）Operationally withstand on workpiece to be machined（9）One end on.
3. multi-work piece polishing machine according to claim 1, it is characterised in that frame（10）The longitudinal both sides in top have cunning
Rail（17）, with two slide rails（17）Corresponding supporting plate（11）Lower surface longitudinally has chute, two slide rail（17）It is respectively placed in
In respective slide slots；One of slide rail（17）Under frame（10）Rack is fixed with the wall of side（18）, rack（18）In water
Plain cloth is put, rack（18）Under have the 3rd motor（19）, the 3rd motor（19）Output shaft on have gear（15）, the gear and institute
State rack（18）Mesh together.
4. multi-work piece polishing machine according to claim 1, it is characterised in that there is the 4th motor screw mandrel one end away from handwheel
（20）, the 4th motor（20）Output shaft screw mandrel adjacent thereto（25）One end is connected.
5. multi-work piece polishing machine according to claim 1, it is characterised in that the abrasive band（23）Top and bottom and supporting plate
（11）Upper surface between angle, the folder where the output shaft of each described roll shaft and corresponding oil cylinder between plane and splint upper surface
Angle is respectively less than 90 degree, and two angles are equal, to make each workpiece to be machined（9）Same side can be with abrasive band（23）Under
Side is in contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610126498.5A CN105643403B (en) | 2016-03-07 | 2016-03-07 | Multi-work piece polishing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610126498.5A CN105643403B (en) | 2016-03-07 | 2016-03-07 | Multi-work piece polishing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105643403A CN105643403A (en) | 2016-06-08 |
| CN105643403B true CN105643403B (en) | 2017-11-03 |
Family
ID=56493208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610126498.5A Active CN105643403B (en) | 2016-03-07 | 2016-03-07 | Multi-work piece polishing machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN105643403B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107263147A (en) * | 2017-06-16 | 2017-10-20 | 无锡振华机械有限公司 | Can automatic blanking bar/Tubular workpiece clamp |
| CN109079628A (en) * | 2018-07-12 | 2018-12-25 | 蚌埠市瑞泰汽配制造有限公司 | A kind of grinding device of filter box dignity |
| CN109570721B (en) * | 2018-12-03 | 2021-06-01 | 中国工程物理研究院材料研究所 | Horizontal six-station rotary automatic welding device |
| CN110281122B (en) * | 2019-06-21 | 2020-11-20 | 繁昌县日昇服饰有限公司 | Case and bag are pull rod surface finish equipment for manufacturing |
| CN110281124A (en) * | 2019-07-02 | 2019-09-27 | 东莞领杰金属精密制造科技有限公司 | A kind of serial combination type polishing jig and the burnishing device using it |
| CN112658881A (en) * | 2020-12-28 | 2021-04-16 | 重庆远中近光学科技有限公司 | Multi-lens grinding device |
| CN115091322A (en) * | 2022-08-01 | 2022-09-23 | 四川海英电子科技有限公司 | Equipment and method for precisely polishing outer end face of HDI multilayer circuit board |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6144570A (en) * | 1984-08-03 | 1986-03-04 | Sakae Seisakusho:Kk | Polishing apparatus for automatic galvanization |
| FR2767275B1 (en) * | 1997-08-12 | 1999-10-15 | Soc D Procedes Et Machines Spe | MACHINE FOR MACHINING, PARTICULARLY SUPERFINITION, OF CYLINDRICAL SURFACES OF PARTS OF REVOLUTION, BY ABRASIVE BELT WITH TANGENTIAL SCROLLING |
| CN201346731Y (en) * | 2008-12-22 | 2009-11-18 | 天津市津宝乐器有限公司 | Drum barrel outer wall abrasive band polishing device |
| CN201685162U (en) * | 2010-04-06 | 2010-12-29 | 北汽福田汽车股份有限公司 | Polishing machine |
| CN203418400U (en) * | 2013-07-26 | 2014-02-05 | 广州珠江钢琴集团股份有限公司 | Device for machining short-radius arc face on piano rib |
| CN103612184A (en) * | 2013-12-09 | 2014-03-05 | 河南旭原不锈钢有限公司 | Strip-shaped polishing machine |
| CN104259508A (en) * | 2014-09-11 | 2015-01-07 | 无锡振华机械有限公司 | Boring machine allowing simultaneous machining of more than two workpieces |
| CN204546208U (en) * | 2014-09-25 | 2015-08-12 | 吉林瑞铭机电设备有限公司 | Belt sander |
| CN204295464U (en) * | 2014-11-04 | 2015-04-29 | 深圳市格林美高新技术股份有限公司 | A kind of sanding apparatus for cylinder shape wood |
| CN205465582U (en) * | 2016-03-07 | 2016-08-17 | 无锡振华机械有限公司 | Multiplex spare burnishing machine |
-
2016
- 2016-03-07 CN CN201610126498.5A patent/CN105643403B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105643403A (en) | 2016-06-08 |
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