CN110961659A - Radial turning device of notebook computer pivot - Google Patents
Radial turning device of notebook computer pivot Download PDFInfo
- Publication number
- CN110961659A CN110961659A CN201911103282.7A CN201911103282A CN110961659A CN 110961659 A CN110961659 A CN 110961659A CN 201911103282 A CN201911103282 A CN 201911103282A CN 110961659 A CN110961659 A CN 110961659A
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- turning device
- fixedly installed
- rotating
- notebook computer
- 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.)
- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B5/08—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning axles, bars, rods, tubes, rolls, i.e. shaft-turning lathes, roll lathes; Centreless turning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/05—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of roller-ways
- B23Q7/055—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of roller-ways some of the rollers being driven
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses a radial turning device for a rotating shaft of a notebook computer, which comprises a lower base, wherein a plurality of rotating shafts A are fixedly arranged between the front end and the rear end of the lower base, lower rollers are fixedly arranged on the outer sides of the rotating shafts A, and limiting rings are fixedly arranged on the outer sides of the lower rollers. The rotating motor is started through the switch to drive the driving disc to rotate, the driving disc drives the driven discs to rotate through the belt, the lower idler wheels are driven to rotate, the rotating shaft is arranged in the groove, the rotating shaft is further driven to be conveyed between the upper idler wheels and the lower idler wheels due to the fact that the rotating shaft, the limiting ring and the groove have friction forces, the turning head is adjusted to be attached to the lower end of the rotating shaft through screwing the bolt, the rotating shaft is turned in the transmission process, the rotating shaft is further limited through the lower idler wheels and the upper idler wheels, and the rotating shaft is further prevented from being deviated to affect turning of the rotating shaft.
Description
Technical Field
The invention relates to a turning device, in particular to a radial turning device for a rotating shaft of a notebook computer.
Background
The notebook computer type is more, consequently can design the pivot of a large amount of specific structures, possesses ring rib, conical surface, chamfer, external diameter difference section etc. in the pivot, and turning is difficult to realize to traditional lathe work equipment, and the axle embryo after the turning has the problem that the precision is relatively poor, and the unreasonable turning station design leads to the lathe work position to take up space great in addition, and the shaping efficiency is lower.
The prior patent (publication number: CN201821010113. X) discloses a radial turning device of a notebook computer rotating shaft, which comprises a vertical frame cutting knife group and a double-position movable cutting knife group, wherein the vertical frame cutting knife group comprises a material shaft cutting part, a first annular rib periphery turning part, a mark annular groove turning part, a second annular rib periphery turning part and a shaft lever outer diameter turning part; the double-displacement cutting knife group comprises a turning guide sliding seat, a concave ring groove turning part and a step-shaped shaft end turning part.
In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved: 1. the feeding mechanism lacks a limiting device in the device, so that the rotating shaft is easy to deviate when the rotating shaft is turned, and the turning of the rotating shaft is further influenced.
Disclosure of Invention
The invention aims to provide a radial turning device for a rotating shaft of a notebook computer, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a radial turning device for a rotating shaft of a notebook computer comprises a lower base;
a plurality of rotating shafts A are fixedly installed between the front end and the rear end of the lower base, lower rollers are fixedly installed on the outer sides of the rotating shafts A, limiting rings are fixedly installed on the outer sides of the lower rollers, driven plates are fixedly installed at the front ends of the rotating shafts A, a rotating motor is fixedly installed at the left end of the lower base, a driving plate is fixedly installed at the front end of a motor shaft of the rotating motor and connected with the driven plates through a belt, a turning device is fixedly installed on the lower base and composed of a sleeve and a turning head, a threaded hole is formed in the front end of the sleeve, a bolt is spirally connected in the threaded hole, and the lower end of the turning head is arranged in the sleeve;
the upside of base is equipped with the base down, fixed mounting has a plurality of pivot B between the front and back both ends of going up the base, and is a plurality of the equal fixed mounting in pivot B's the outside has last gyro wheel, and is a plurality of the outside of going up the gyro wheel is seted up flutedly, and is a plurality of the spacing ring is corresponding with a plurality of recess respectively, the left end fixed mounting of base has the switch down, the switch is established ties with the rotation motor through external power source.
As a preferred embodiment of the present invention, a plurality of springs are fixedly installed in the inner cavities of the plurality of grooves, and a circular pressing plate is fixedly connected between the other ends of the plurality of springs.
In a preferred embodiment of the present invention, a non-slip mat is fixedly mounted on the outer side of each of the plurality of circular pressing plates.
As a preferred embodiment of the present invention, a collecting box is disposed at the right end of the lower base.
In a preferred embodiment of the present invention, a protection plate is fixedly installed at an outer side of the rotating motor.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention relates to a radial turning device for a rotating shaft of a notebook computer, which drives a driving disc to rotate by starting a rotating motor through a switch, drives a plurality of driven discs to rotate by a belt, drives a lower roller to rotate, arranges the rotating shaft in a groove, further drives the rotating shaft to be transmitted between an upper roller and the lower roller due to friction among the rotating shaft, a limiting ring and the groove, and then adjusts a turning head to be attached to the lower end of the rotating shaft by screwing a bolt, so that the rotating shaft turns the rotating shaft in the transmission process, and further limits the rotating shaft by the lower roller and the upper roller, thereby further preventing the rotating shaft from deviating to influence the turning of the rotating shaft.
2. According to the radial turning device for the rotating shaft of the notebook computer, the springs and the circular extrusion plate are arranged, so that the rotating shafts with different sizes can be turned in a transmission manner through elastic deformation of the springs.
3. According to the radial turning device for the rotating shaft of the notebook computer, the friction force between the rotating shaft and the circular extrusion plate can be effectively increased through the arrangement of the anti-slip pad, and the transmission stability of the rotating shaft is further increased.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a front view of a radial turning device for a rotating shaft of a notebook computer according to the present invention;
FIG. 2 is a front view of a turning device of a radial turning device of a rotating shaft of a notebook computer according to the present invention;
FIG. 3 is a side view of the roller of the radial turning device of the notebook computer spindle according to the present invention;
FIG. 4 is a front view of a roller of a radial turning device of a notebook computer spindle according to the present invention;
FIG. 5 is a circuit diagram of a radial turning device for a notebook computer spindle according to the present invention.
In the figure: 1. a lower base; 2. a switch; 3. a protection plate; 4. rotating the motor; 5. a motor shaft; 6. a driving disk; 7. a belt; 8. an upper base; 9. a rotating shaft B; 10. an upper roller; 11. a collection box; 12. a limiting ring; 13. a lower roller; 14. turning a device; 15. a driven plate; 16. a rotating shaft A; 17. a sleeve; 18. a bolt; 19. a threaded hole; 20. turning a head; 21. a groove; 22. a circular extrusion plate; 23. a spring; 24. a non-slip mat.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the type of the electrical appliance provided by the invention is only used for reference. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.
Referring to fig. 1-5, the present invention provides a technical solution: a radial turning device for a rotating shaft of a notebook computer comprises a lower base 1;
a plurality of rotating shafts A16 are fixedly installed between the front end and the rear end of the lower base 1, lower rollers 13 are fixedly installed on the outer sides of a plurality of rotating shafts A16, limiting rings 12 are fixedly installed on the outer sides of a plurality of lower rollers 13, driven discs 15 are fixedly installed on the front ends of a plurality of rotating shafts A16, a rotating motor 4 is fixedly installed on the left end of the lower base 1, a driving disc 6 is fixedly installed on the front end of a motor shaft 5 of the rotating motor 4, the driving disc 6 is connected with a plurality of driven discs 15 through a belt 7, a turning device 14 is fixedly installed on the lower base 1, the turning device 14 is composed of a sleeve 17 and a turning head 20, a threaded hole 19 is formed in the front end of the sleeve 17, a bolt 18 is spirally connected in the threaded hole 19, and the lower end of the turning head 20 is arranged in the sleeve;
an upper base 8 is arranged on the upper side of the lower base 1, a plurality of rotating shafts B9 are fixedly arranged between the front end and the rear end of the upper base 8, a plurality of upper rollers 10 are fixedly arranged on the outer sides of a plurality of rotating shafts B9, grooves 21 are formed in the outer sides of a plurality of upper rollers 10, a plurality of limiting rings 12 correspond to the grooves 21 respectively, a switch 2 is fixedly arranged at the left end of the lower base 1, the switch 2 is connected with a rotating motor 4 in series through an external power supply, the rotating motor 4 is started through the switch 2 to drive a driving disc 6 to rotate, the driving disc 6 further drives a plurality of driven discs 15 to rotate through a belt 7, so as to drive a lower roller 13 to rotate, then the rotating shafts are arranged in the grooves 21, as friction force exists between the rotating shafts and the limiting rings 12 and the grooves 21, the rotating shafts are further driven to be conveyed between the upper roller 10 and the lower roller 13, and then the turning head 20 is adjusted to, therefore, the rotating shaft is turned in the transmission process, the rotating shaft is further limited through the lower roller 13 and the upper roller 10, and the rotating shaft is further prevented from being influenced by the offset of the rotating shaft.
In this embodiment (as shown in fig. 3), a plurality of springs 23 are fixedly installed in the inner cavities of the plurality of grooves 21, a circular extrusion plate 22 is fixedly connected between the other ends of the plurality of springs 23, and through the arrangement of the springs 23 and the circular extrusion plate 22, the rotating shafts with different sizes can be turned through the elastic deformation of the springs 23.
In this embodiment (see fig. 4), the anti-slip pads 24 are fixedly mounted on the outer sides of the plurality of circular squeezing plates 22, and the friction between the rotating shaft and the circular squeezing plates 22 can be effectively increased by the arrangement of the anti-slip pads 24, so as to further increase the stability of the transmission of the rotating shaft.
In this embodiment (refer to fig. 1), the right end of the lower base 1 is provided with a collecting box 11, and the turned rotating shafts can be conveniently collected in a centralized manner through the collecting box 11.
In this embodiment (please refer to fig. 1), a protection plate 3 is fixedly installed on the outer side of the rotating motor 4, and the rotating motor 4 can be effectively protected by the protection plate 3, so that the operator is prevented from being injured by the work of the rotating motor 4.
It should be noted that the invention is a radial turning device for a notebook computer rotating shaft, comprising a lower base 1, a switch 2, a protection plate 3, a rotating motor 4, a motor shaft 5, a driving disk 6, a belt 7, an upper base 8, a rotating shaft B9, an upper roller 10, a collecting box 11, a limiting ring 12, a lower roller 13, a turning device 14, a driven disk 15, a rotating shaft A16, a sleeve 17, a bolt 18, a threaded hole 19, a turning head 20, a groove 21, a circular extrusion plate 22, a spring 23 and an anti-skid pad 24, wherein the components are all universal standard components or components known by technicians in the field, the structure and principle of the components can be known by technical manuals or conventional experimental methods, when the radial turning device works, the rotating motor 4 is started through the switch 2 to drive the driving disk 6 to rotate, the further driving disk 6 drives a plurality of driven disks 15 to rotate through the belt 7, so as to drive the lower roller 13 to rotate, then the rotating shaft is arranged in the groove 21, because the rotating shaft, the limiting ring 12 and the groove 21 have friction force, the rotating shaft is further driven to be conveyed between the upper roller 10 and the lower roller 13, then the turning head 20 is adjusted to be attached to the lower end of the rotating shaft by screwing the bolt 18, so that the rotating shaft is turned in the transmission process, the rotating shaft is further limited by the lower roller 13 and the upper roller 10, the turning of the rotating shaft is further prevented from being influenced by the deviation of the rotating shaft, through the arrangement of the spring 23 and the circular extrusion plate 22, the rotating shafts with different sizes can be subjected to transmission turning through the elastic deformation of the spring 23, the friction force between the rotating shaft and the circular extrusion plate 22 can be effectively increased through the arrangement of the anti-skid pad 24, the transmission stability of the rotating shaft is further increased, and the rotating shaft which is turned can be conveniently collected in a centralized way through the collecting box 11, can effectually protect rotating electrical machines 4 through guard plate 3 to prevent to rotate 4 work of motor and cause the injury to operating personnel.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A radial turning device for a rotating shaft of a notebook computer is characterized by comprising a lower base (1);
a plurality of rotating shafts A (16) are fixedly installed between the front end and the rear end of the lower base (1), a plurality of lower rollers (13) are fixedly installed on the outer sides of the rotating shafts A (16), a plurality of limiting rings (12) are fixedly installed on the outer sides of the lower rollers (13), a plurality of driven discs (15) are fixedly installed on the front ends of the rotating shafts A (16), a rotating motor (4) is fixedly installed on the left end of the lower base (1), a driving disc (6) is fixedly installed on the front end of a motor shaft (5) of the rotating motor (4), the driving disc (6) is connected with the driven discs (15) through a belt (7), a turning device (14) is fixedly installed on the lower base (1), the turning device (14) is composed of a sleeve (17) and a turning head (20), and threaded holes (19) are formed in the front end of the sleeve (17), a bolt (18) is spirally connected in the threaded hole (19), and the lower end of the turning head (20) is arranged in the sleeve (17);
the upside of lower base (1) is equipped with base (8), fixed mounting has a plurality of pivot B (9), and is a plurality of between the front and back both ends of going up base (8) the equal fixed mounting in the outside of pivot B (9) has last gyro wheel (10), and is a plurality of recess (21) are seted up in the outside of going up gyro wheel (10), and are a plurality of spacing ring (12) are corresponding with a plurality of recess (21) respectively, the left end fixed mounting of lower base (1) has switch (2), switch (2) are established ties through external power source and rotation motor (4).
2. The radial turning device for the rotating shaft of the notebook computer as claimed in claim 1, wherein: a plurality of springs (23) are fixedly installed in the inner cavities of the plurality of grooves (21), and a circular extrusion plate (22) is fixedly connected between the other ends of the plurality of springs (23).
3. The radial turning device for the rotating shaft of the notebook computer as claimed in claim 2, wherein: and anti-skid pads (24) are fixedly arranged on the outer sides of the plurality of circular extrusion plates (22).
4. The radial turning device for the rotating shaft of the notebook computer as claimed in claim 1, wherein: the right end of the lower base (1) is provided with a collecting box (11).
5. The radial turning device for the rotating shaft of the notebook computer as claimed in claim 1, wherein: and a protection plate (3) is fixedly arranged on the outer side of the rotating motor (4).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911103282.7A CN110961659A (en) | 2019-11-13 | 2019-11-13 | Radial turning device of notebook computer pivot |
| PCT/CN2019/123641 WO2021093057A1 (en) | 2019-11-13 | 2019-12-06 | Radial turning device for notebook computer rotary shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911103282.7A CN110961659A (en) | 2019-11-13 | 2019-11-13 | Radial turning device of notebook computer pivot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110961659A true CN110961659A (en) | 2020-04-07 |
Family
ID=70030519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911103282.7A Withdrawn CN110961659A (en) | 2019-11-13 | 2019-11-13 | Radial turning device of notebook computer pivot |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110961659A (en) |
| WO (1) | WO2021093057A1 (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU848362A1 (en) * | 1979-10-17 | 1981-07-23 | Проектно-Конструкторское Бюротреста "Сантехдеталь" | Work-feeding mechanism for pipe cut-off machine |
| JPH06106493A (en) * | 1991-08-20 | 1994-04-19 | Yasuhiko Tokunaga | Paper pipe cutter |
| CN206264037U (en) * | 2016-11-25 | 2017-06-20 | 江苏卧牛山保温防水技术有限公司 | A kind of warming plate grooving apparatus |
| CN206717979U (en) * | 2017-04-12 | 2017-12-08 | 昆山联江发纸业有限公司 | A kind of paper pipe grooving machine |
| CN207155339U (en) * | 2017-09-25 | 2018-03-30 | 哈尔滨汽轮机厂有限责任公司 | A kind of turning specific purpose tool for being used to process thimble radial hole |
| CN207915538U (en) * | 2018-02-06 | 2018-09-28 | 安徽省旌德县江南机电配件有限公司 | A kind of slot wedge cutting processing device |
| CN208613750U (en) * | 2018-06-28 | 2019-03-19 | 昆山俊康泰精密机件有限公司 | A kind of turning molding machine having ring rib shaft |
| CN110064964A (en) * | 2019-06-14 | 2019-07-30 | 湖北赞博信息科技股份有限公司 | The rolling drawing-in device of lathe automatic blanking |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20081252A1 (en) * | 2008-07-10 | 2010-01-11 | Ficep Spa | Procedure and device for positioning a piece with respect to a tool |
| CN202070767U (en) * | 2011-03-08 | 2011-12-14 | 中油宝世顺(秦皇岛)钢管有限公司 | End cutting trimmer of anticorrosive steel pipe |
| CN205734112U (en) * | 2016-06-20 | 2016-11-30 | 浙江德美轴承有限公司 | A kind of for Centreless lathe Work-sheet pressing with the device of transmission |
| CN206010040U (en) * | 2016-08-26 | 2017-03-15 | 安徽鸿路钢结构(集团)股份有限公司 | A kind of steel construction beveling machine |
-
2019
- 2019-11-13 CN CN201911103282.7A patent/CN110961659A/en not_active Withdrawn
- 2019-12-06 WO PCT/CN2019/123641 patent/WO2021093057A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU848362A1 (en) * | 1979-10-17 | 1981-07-23 | Проектно-Конструкторское Бюротреста "Сантехдеталь" | Work-feeding mechanism for pipe cut-off machine |
| JPH06106493A (en) * | 1991-08-20 | 1994-04-19 | Yasuhiko Tokunaga | Paper pipe cutter |
| CN206264037U (en) * | 2016-11-25 | 2017-06-20 | 江苏卧牛山保温防水技术有限公司 | A kind of warming plate grooving apparatus |
| CN206717979U (en) * | 2017-04-12 | 2017-12-08 | 昆山联江发纸业有限公司 | A kind of paper pipe grooving machine |
| CN207155339U (en) * | 2017-09-25 | 2018-03-30 | 哈尔滨汽轮机厂有限责任公司 | A kind of turning specific purpose tool for being used to process thimble radial hole |
| CN207915538U (en) * | 2018-02-06 | 2018-09-28 | 安徽省旌德县江南机电配件有限公司 | A kind of slot wedge cutting processing device |
| CN208613750U (en) * | 2018-06-28 | 2019-03-19 | 昆山俊康泰精密机件有限公司 | A kind of turning molding machine having ring rib shaft |
| CN110064964A (en) * | 2019-06-14 | 2019-07-30 | 湖北赞博信息科技股份有限公司 | The rolling drawing-in device of lathe automatic blanking |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021093057A1 (en) | 2021-05-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102950526B (en) | Power tool | |
| CN101699950B (en) | Braking device for gardening tools | |
| CN110961659A (en) | Radial turning device of notebook computer pivot | |
| CN203804342U (en) | Polishing machine for gears of rotor shafts | |
| CN207415039U (en) | A kind of swash plate beveler | |
| CN105782671A (en) | Anti-skidding support frame for industrial equipment | |
| US1762872A (en) | Brake-band drilling and countersinking machine | |
| CN112518476A (en) | Stator punching sheet edge trimming mechanism | |
| CN202114566U (en) | Power tool | |
| CN206290605U (en) | A kind of automobile-used elastic clutch | |
| CN211580745U (en) | External driving wheel for straw chopper | |
| CN210255877U (en) | New energy automobile motor shaft location frock | |
| CN105364788A (en) | Hand tool | |
| CN210414065U (en) | Horizontal steel ball milling machine | |
| CN210281540U (en) | Cam cutting mechanism | |
| CN214054640U (en) | Sheet grinding machine | |
| CN109821973A (en) | A kind of punch die tooling for workpiece essence hole machined | |
| CN211333396U (en) | Edge trimmer for light and thin high-strength composite fabric | |
| CN210387712U (en) | Side milling head transmission mechanism for machining inner hole of copper pipe fitting | |
| CN214292350U (en) | Deburring device for stator punching sheet of generator | |
| CN218874505U (en) | Bearing seat fixing tool | |
| US2274778A (en) | Rotary power tool | |
| CN220881977U (en) | Grinding wheel with belt pulley | |
| CN114916697B (en) | Dismantle reliable emery wheel connection pad and tobacco cutter emery wheel seat | |
| CN218017905U (en) | Ring polishing machine for prism processing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200407 |
|
| WW01 | Invention patent application withdrawn after publication |