CN112192417A - Four-axis NC mirror surface longitudinal polishing machine - Google Patents
Four-axis NC mirror surface longitudinal polishing machine Download PDFInfo
- Publication number
- CN112192417A CN112192417A CN202010887520.4A CN202010887520A CN112192417A CN 112192417 A CN112192417 A CN 112192417A CN 202010887520 A CN202010887520 A CN 202010887520A CN 112192417 A CN112192417 A CN 112192417A
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- Prior art keywords
- polishing
- reciprocating
- axis
- bolts
- motor
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- Pending
Links
- 238000005498 polishing Methods 0.000 title claims abstract description 90
- 230000007246 mechanism Effects 0.000 claims abstract description 83
- 239000000428 dust Substances 0.000 claims abstract description 42
- 230000005540 biological transmission Effects 0.000 claims description 25
- 238000003466 welding Methods 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000007689 inspection Methods 0.000 abstract description 3
- 230000003245 working effect Effects 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
- 238000004018 waxing Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Images
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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
-
- 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
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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- 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
- 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
- B24B55/04—Protective covers for the grinding wheel
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a four-axis NC mirror surface longitudinal polishing machine which comprises a protection mechanism for protection, a polishing mechanism for polishing and a reciprocating mechanism for reciprocating motion, wherein a supporting mechanism is arranged in the protection mechanism, the reciprocating mechanism is arranged at the upper end of the supporting mechanism, an adjusting mechanism is arranged at the upper end of the reciprocating mechanism, the polishing mechanism is arranged at the lower end of the adjusting mechanism, and a conveying mechanism is arranged at the lower side of the polishing mechanism. The full-cover type independent inspection door has the advantages that the reciprocating mechanism is matched with the adjusting mechanism, the polishing length and the polishing depth can be adjusted, the polishing effect is improved, the chain wheels and the driven gears at the two ends of the conveying roller are used for enabling parts at the upper end to rotate while being polished, the working effect is improved, the full-cover type independent inspection door is full-cover type, and the dust absorption function is provided.
Description
Technical Field
The invention relates to the field of polishing machines, in particular to a four-axis NC longitudinal mirror polishing machine.
Background
Polishers, also known as grinders, are often used for mechanical grinding, polishing, and waxing. The working principle is as follows: the motor drives the sponge or wool polishing disc arranged on the polishing machine to rotate at a high speed, and the polishing disc and the polishing agent act together and rub the surface to be polished, so that the aims of removing paint surface pollution, oxide layer and shallow mark can be achieved. The rotation speed of the polishing disk is generally 1500-3000r/min, and is mostly continuously variable, and can be adjusted at any time during construction according to requirements.
In common burnishing machine, most adopt the single round to transversely carry out the polishing, work efficiency is not high to when carrying out the single face polishing, can't rotate spare part, follow-up still need readjust the operation, the operation is very inconvenient, and can produce a large amount of dust and impurity during the operation, influence workman's health.
Disclosure of Invention
The invention aims to solve the problems and provide a four-axis NC mirror longitudinal polishing machine.
The invention realizes the purpose through the following technical scheme:
the four-axis NC mirror surface longitudinal polishing machine comprises a protection mechanism for protection, a polishing mechanism for polishing and a reciprocating mechanism for reciprocating motion, wherein a supporting mechanism is arranged in the protection mechanism, the upper end of the supporting mechanism is provided with the reciprocating mechanism, the upper end of the reciprocating mechanism is provided with an adjusting mechanism, the lower end of the adjusting mechanism is provided with the polishing mechanism, and the lower side of the polishing mechanism is provided with a conveying mechanism;
the protection mechanism comprises a base, an outer shell and a movable door plate, wherein the outer shell is arranged at the upper end of the base, and the movable door plate is connected to the outer shell;
the conveying mechanism comprises a conveying support, a transmission motor, chain wheels and a chain, the transmission motor is connected onto the conveying support, the chain wheels are arranged on two sides of the conveying support, the chain wheels are connected to the outside of the chain wheels, a conveying roller is arranged between the chain wheels, connecting shafts are arranged at two ends of the conveying roller, a driven gear is arranged on the connecting shaft at one end, and a rack is arranged between the driven gear and the conveying support;
the supporting mechanism comprises an upright post and a bearing beam, the upright post is arranged at the upper end of the base, and the bearing beam is arranged at the upper end of the upright post;
the reciprocating mechanism comprises a reciprocating seat, a sliding block, a sliding rail and a matching block, the sliding rail is connected to the upper end of the bearing beam, the sliding block is arranged at the upper end of the sliding rail, the reciprocating seat is arranged on the inner side of the sliding block, one end of the reciprocating seat is connected with the matching block, the inner side of the matching block is connected with a reciprocating screw, and the power end of the reciprocating screw is connected with a reciprocating motor;
the adjusting mechanism comprises an adjusting motor, an adjusting gear assembly, a lifting seat and a matched threaded cylinder, the power output end of the adjusting motor is connected with the adjusting gear assembly, the power output end of the adjusting gear assembly is connected with an adjusting screw, the outside of the adjusting screw is connected with the matched threaded cylinder, the lower end of the matched threaded cylinder is connected with the polishing mechanism, and the lifting seat is arranged on the outer side of the matched threaded cylinder;
polishing mechanism is including polishing motor, throwing aureola, dust cover, dust exhaust pipe, the polishing motor is installed reciprocal seat upper end, two polishing motor power take off end connects four main shafts respectively through the pulley group, the main shaft both ends are connected with throw the aureola, it is provided with to throw the aureola outside the dust cover, install the dust cover rear end the dust exhaust pipe, dust exhaust union coupling outside dust catcher.
Preferably: the outer shell is connected with the base through bolts, and the movable door plate is connected with the outer shell in a sliding mode.
So set up, the base plays supporting role, the shell body plays dustproof and guard action.
Preferably: the conveying support is connected with the base through bolts, the transmission motor is connected with the conveying support through bolts, and the chain wheel is rotationally connected with the conveying support.
So set up, the conveying support plays the supporting role, the sprocket plays the drive effect.
Preferably: the connecting shaft is connected with the conveying roller in a welding mode, the driven gear is connected with the connecting shaft in a key mode, and the rack is connected with the conveying support through bolts.
So set up, the connecting shaft plays the linkage effect, the driven gear with the rack cooperation can make the transfer roller rotates at the transmission simultaneously.
Preferably: the sliding rail is connected with the bearing beam through a bolt, and the sliding block is connected with the sliding rail in a sliding mode.
So set up, the slide rail plays support and cooperation slip effect.
Preferably: the reciprocating motor key-type connection reciprocating screw rod, reciprocating screw rod passes through threaded connection the cooperation piece, the cooperation piece passes through bolted connection reciprocating seat.
So set up, reciprocating screw and the soviet cooperation piece of affiliated cooperate, thereby make the reciprocating seat can reciprocating motion.
Preferably: the matching thread cylinder is connected with the adjusting screw rod through threads.
So set up, the dust exhaust pipe with adjusting screw cooperates to can adjust polish the height of taking turns, thereby carry out the polishing of different degrees.
Preferably: the dust cover is connected with the lifting seat through bolts, and the dust exhaust pipe is connected with the dust cover through welding.
So set up, the dust cover plays sealed and guard action.
Preferably: the polishing wheel is connected with the main shaft through a bolt.
So set up, the throwing aureola plays the polishing effect, through the bolt fastening, guarantees the security.
Preferably: the upright post is connected with the base through a bolt, and the bearing beam is connected with the upright post through a bolt.
So set up, the stand with the spandrel girder plays the bearing effect, guarantees stability.
Compared with the prior art, the invention has the following beneficial effects:
1. the reciprocating mechanism is matched with the adjusting mechanism, so that the polishing length and depth can be adjusted, and the polishing effect is improved;
2. the chain wheels and the driven gears at the two ends of the conveying roller are utilized to enable the upper-end part to rotate while being polished, so that the working effect is improved;
3. the whole cover type is provided with an independent inspection door and a dust collection function.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a four-axis NC mirror longitudinal polishing machine according to the present invention;
FIG. 2 is a schematic view of a first internal structure of the four-axis NC mirror longitudinal polishing machine according to the present invention;
FIG. 3 is a schematic diagram of a second internal structure of the four-axis NC mirror longitudinal polishing machine according to the present invention;
FIG. 4 is a schematic diagram of a transfer frame structure of the four-axis NC mirror longitudinal polishing machine according to the present invention;
FIG. 5 is a schematic view of a driven gear structure of the four-axis NC mirror longitudinal polishing machine of the invention;
FIG. 6 is a schematic structural diagram of a reciprocating mechanism of the four-axis NC mirror surface longitudinal polishing machine of the invention;
FIG. 7 is a schematic view of a structure of a matching threaded cylinder of the four-axis NC mirror surface longitudinal polishing machine of the invention.
The reference numerals are explained below:
1. a protection mechanism; 2. a transport mechanism; 3. a support mechanism; 4. a reciprocating mechanism; 5. an adjustment mechanism; 6. a polishing mechanism; 11. a base; 12. an outer housing; 13. a movable door panel; 21. a delivery carriage; 22. a drive motor; 23. a sprocket; 24. a chain; 25. a conveying roller; 26. a connecting shaft; 27. a driven gear; 28. a rack; 31. a column; 32. a spandrel girder; 41. a reciprocating base; 42. a slider; 43. a slide rail; 44. a matching block; 45. a reciprocating screw; 46. a reciprocating motor; 51. adjusting the motor; 52. an adjustment gear assembly; 53. a lifting seat; 54. matching the threaded cylinder; 55. adjusting the screw rod; 61. polishing the motor; 62. a polishing wheel; 63. a dust cover; 64. a dust exhaust pipe; 65. a main shaft.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be further described with reference to the accompanying drawings in which:
example 1
As shown in fig. 1-7, the four-axis NC mirror surface longitudinal polishing machine comprises a protection mechanism 1 for protection, a polishing mechanism 6 for polishing and a reciprocating mechanism 4 for reciprocating, wherein a supporting mechanism 3 is arranged inside the protection mechanism 1, the upper end of the supporting mechanism 3 is provided with the reciprocating mechanism 4, the upper end of the reciprocating mechanism 4 is provided with an adjusting mechanism 5, the lower end of the adjusting mechanism 5 is provided with the polishing mechanism 6, and the lower side of the polishing mechanism 6 is provided with a conveying mechanism 2;
the protection mechanism 1 comprises a base 11, an outer shell 12 and a movable door plate 13, wherein the outer shell 12 is arranged at the upper end of the base 11, and the movable door plate 13 is connected to the outer shell 12;
the conveying mechanism 2 comprises a conveying support 21, a transmission motor 22, chain wheels 23 and chains 24, the transmission motor 22 is connected to the conveying support 21, the chain wheels 23 are arranged on two sides of the conveying support 21, the chains 24 are connected to the outside of the chain wheels 23, conveying rollers 25 are arranged between the chains 24, connecting shafts 26 are arranged at two ends of each conveying roller 25, a driven gear 27 is arranged on the connecting shaft 26 at one end, and a rack 28 is arranged between each driven gear 27 and the conveying support 21;
the supporting mechanism 3 comprises a vertical column 31 and a bearing beam 32, the vertical column 31 is arranged at the upper end of the base 11, and the bearing beam 32 is arranged at the upper end of the vertical column 31;
the reciprocating mechanism 4 comprises a reciprocating base 41, a sliding block 42, a sliding rail 43 and a matching block 44, wherein the sliding rail 43 is connected to the upper end of the bearing beam 32, the sliding block 42 is arranged at the upper end of the sliding rail 43, the reciprocating base 41 is arranged on the inner side of the sliding block 42, one end of the reciprocating base 41 is connected with the matching block 44, the inner side of the matching block 44 is connected with a reciprocating screw 45, and the power end of the reciprocating screw 45 is connected with a reciprocating motor 46;
the adjusting mechanism 5 comprises an adjusting motor 51, an adjusting gear assembly 52, a lifting seat 53 and a matched threaded cylinder 54, the power output end of the adjusting motor 51 is connected with the adjusting gear assembly 52, the power output end of the adjusting gear assembly 52 is connected with an adjusting screw 55, the outside of the adjusting screw 55 is connected with the matched threaded cylinder 54, the lower end of the matched threaded cylinder 54 is connected with the polishing mechanism 6, and the lifting seat 53 is arranged on the outer side of the matched threaded cylinder 54;
Preferably: the outer shell 12 is connected with the base 11 through bolts, the movable door plate 13 is connected with the outer shell 12 in a sliding mode, the base 11 plays a supporting role, and the outer shell 12 plays a dustproof and protective role; the conveying bracket 21 is connected with the base 11 through bolts, the transmission motor 22 is connected with the conveying bracket 21 through bolts, the chain wheel 23 is rotationally connected with the conveying bracket 21, the conveying bracket 21 plays a supporting role, and the chain wheel 23 plays a transmission role; the connecting shaft 26 is connected with the conveying roller 25 through welding, the driven gear 27 is in key connection with the connecting shaft 26, the rack 28 is connected with the conveying bracket 21 through bolts, the connecting shaft 26 plays a linkage role, and the driven gear 27 is matched with the rack 28, so that the conveying roller 25 can rotate while transmitting; the slide rail 43 is connected with the bearing beam 32 through a bolt, the slide block 42 is connected with the slide rail 43 in a sliding way, and the slide rail 43 plays a role in supporting and matching sliding; the reciprocating motor 46 is in key connection with the reciprocating screw rod 45, the reciprocating screw rod 45 is in threaded connection with the matching block 44, the matching block 44 is in bolted connection with the reciprocating seat 41, and the reciprocating screw rod 45 is matched with the matching block 44, so that the reciprocating seat 41 can reciprocate; the matching threaded cylinder 54 is connected with the adjusting screw 55 through threads, and the dust exhaust pipe 64 is matched with the adjusting screw 55, so that the height of the polishing wheel 62 can be adjusted, and polishing in different degrees can be performed; the dust cover 63 is connected with the lifting seat 53 through a bolt, the dust exhaust pipe 64 is connected with the dust cover 63 through welding, and the dust cover 63 plays a role in sealing and protecting; the polishing wheel 62 is connected with the main shaft 65 through a bolt, and the polishing wheel 62 plays a polishing role and is fixed through the bolt, so that the safety is ensured; the upright column 31 is connected with the base 11 through bolts, the bearing beam 32 is connected with the upright column 31 through bolts, and the upright column 31 and the bearing beam 32 play a bearing role to ensure stability.
The working principle is as follows: the part that will need the polishing is placed between two transfer rollers 25, start driving motor 22, drive transfer roller 25 and part transmission through sprocket 23, the effect of polishing as required simultaneously, utilize adjusting motor 51 to adjust the height of throwing aureola 62, then according to the reciprocal distance of the length adjustment seat 41 of part, start polishing motor 61 and drive throwing aureola 62 and polish the part, outside dust catcher is opened and is absorbed dust and impurity through dust cover 63 and dust exhaust pipe 64 when processing.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010887520.4A CN112192417A (en) | 2020-08-28 | 2020-08-28 | Four-axis NC mirror surface longitudinal polishing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010887520.4A CN112192417A (en) | 2020-08-28 | 2020-08-28 | Four-axis NC mirror surface longitudinal polishing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112192417A true CN112192417A (en) | 2021-01-08 |
Family
ID=74005636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010887520.4A Pending CN112192417A (en) | 2020-08-28 | 2020-08-28 | Four-axis NC mirror surface longitudinal polishing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112192417A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113601383A (en) * | 2021-07-30 | 2021-11-05 | 光丰实业有限公司 | Polishing machine |
| CN115431161A (en) * | 2022-09-07 | 2022-12-06 | 苏州铁近机电科技股份有限公司 | Double-grinding super-finishing grinder device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN207189421U (en) * | 2017-07-28 | 2018-04-06 | 东莞市顺锦五金机械有限公司 | Round tube polishing machine |
| CN207522324U (en) * | 2017-09-19 | 2018-06-22 | 上海麦威迪实业有限公司 | A kind of steel rust removing device with apparatus for drying |
| CN108927724A (en) * | 2018-07-09 | 2018-12-04 | 俞友航 | A kind of efficient steel pipe derusting grinding device |
| CN109533891A (en) * | 2018-12-26 | 2019-03-29 | 西北农林科技大学 | An ellipsoid cabbage tonal separation device |
| CN110817258A (en) * | 2019-11-24 | 2020-02-21 | 郑州大学 | Chain type conveying device for intelligent fruit optimizing equipment and roller tooth mechanism thereof |
| CN111390684A (en) * | 2020-03-20 | 2020-07-10 | 温州职业技术学院 | A burring device for electric motor rotor assembly line |
| CN211129692U (en) * | 2019-10-22 | 2020-07-31 | 河南好机乐智能科技有限公司 | Fruit and vegetable waxing air dryer |
| CN211305937U (en) * | 2019-12-13 | 2020-08-21 | 东莞市大源智能设备科技有限公司 | Pipe polishing machine |
-
2020
- 2020-08-28 CN CN202010887520.4A patent/CN112192417A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1190821A (en) * | 1997-09-17 | 1999-04-06 | Nissanki:Kk | Machining burr removing device for steel product |
| CN205394190U (en) * | 2016-03-01 | 2016-07-27 | 长兴荣力机械有限公司 | Polar plate brush limit device |
| CN105922128A (en) * | 2016-06-03 | 2016-09-07 | 深圳市普盛旺科技有限公司 | Polyhedron shell multi-shaft polisher |
| CN106217226A (en) * | 2016-08-23 | 2016-12-14 | 浙江申腾涂层织物有限公司 | A kind of metal circular tube burnishing device |
| CN207189421U (en) * | 2017-07-28 | 2018-04-06 | 东莞市顺锦五金机械有限公司 | Round tube polishing machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113601383A (en) * | 2021-07-30 | 2021-11-05 | 光丰实业有限公司 | Polishing machine |
| CN113601383B (en) * | 2021-07-30 | 2022-05-17 | 光丰实业有限公司 | Polishing machine |
| CN115431161A (en) * | 2022-09-07 | 2022-12-06 | 苏州铁近机电科技股份有限公司 | Double-grinding super-finishing grinder device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210108 |
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| RJ01 | Rejection of invention patent application after publication |