CN107225480A - A kind of portable I-shaped guide rail automatic sander - Google Patents

A kind of portable I-shaped guide rail automatic sander Download PDF

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Publication number
CN107225480A
CN107225480A CN201710603285.1A CN201710603285A CN107225480A CN 107225480 A CN107225480 A CN 107225480A CN 201710603285 A CN201710603285 A CN 201710603285A CN 107225480 A CN107225480 A CN 107225480A
Authority
CN
China
Prior art keywords
guide rail
driven shaft
shaped guide
fixedly connected
frame
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
Application number
CN201710603285.1A
Other languages
Chinese (zh)
Inventor
肖路长
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Zhenglue Information Technology Co Ltd
Original Assignee
Foshan Zhenglue Information Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Foshan Zhenglue Information Technology Co Ltd filed Critical Foshan Zhenglue Information Technology Co Ltd
Priority to CN201710603285.1A priority Critical patent/CN107225480A/en
Publication of CN107225480A publication Critical patent/CN107225480A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/08Portable grinding machines designed for fastening on workpieces or other parts of particular section, e.g. for grinding commutators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/004Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding rails, T, I, H or other similar profiles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/0076Other grinding machines or devices grinding machines comprising two or more grinding tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/10Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/16Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces performing a reciprocating movement, e.g. during which the sense of rotation of the working-spindle is reversed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/04Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades

Abstract

The invention discloses the portable I-shaped guide rail automatic sander of one kind, including frame, fixed mount, road wheel, polishing motor, the first polishing emery wheel, the second polishing emery wheel, blade and battery;The lower surface of frame is fixedly connected with fixed mount, the side wall of fixed mount is rotatably connected to road wheel, the upper surface of frame is fixedly connected with polishing motor, the axle stretch end of polishing motor is fixedly connected with power transmission shaft, driving gear is arranged with power transmission shaft, the both sides of power transmission shaft are respectively arranged with first driven shaft and second driven shaft, the 3rd driven shaft is provided with the right side of power transmission shaft, the present apparatus is placed on I-shaped guide rail to be polished, the groove of I-shaped guide rail is polished using the first polishing emery wheel, power transmission shaft drives the 3rd driven shaft to rotate by transmission mechanism, cam is engaged with spring, blade is driven to be moved reciprocatingly in the upper surface of I-shaped guide rail, the groove of I-shaped guide rail and upper surface are polished simultaneously, substantially increase grinding efficiency.

Description

A kind of portable I-shaped guide rail automatic sander
Technical field
It is specifically a kind of portable I-shaped guide rail automatic sander the present invention relates to a kind of guide rail process equipment.
Background technology
Line slideway is the automation equipment occurred with recent two decades, the groove or ridge being made up of metal or other materials, Can bear, fix, guiding mobile device or equipment and reduce its friction a kind of device, such as Digit Control Machine Tool industry rise and it is fast Speed popularization, most of guide rail is made of metal, in the production process of guide rail, and it is miscellaneous often to leave burr etc. on the surface of guide rail Matter to the surface of guide rail, it is necessary to carry out grinding process, for I-shaped guide rail, its both sides is fluted, and burr in groove etc. is miscellaneous Matter is very difficult to cleaning, it is often necessary to spends substantial amounts of manpower and materials to handle the surface impurity of guide rail, is brought to workman Very big inconvenience.
The content of the invention
It is an object of the invention to provide the portable I-shaped guide rail automatic sander of one kind, to solve above-mentioned background technology The problem of middle proposition.
To achieve the above object, the present invention provides following technical scheme:
A kind of portable I-shaped guide rail automatic sander, including frame, fixed mount, road wheel, polishing motor, first dozen Grinding abrasive disk, the second polishing emery wheel, blade and battery;The lower surface of the frame is fixedly connected with fixed mount, the side of fixed mount Wall is rotatably connected to road wheel, and the side wall of fixed mount is fixedly connected with movable motor, and the axle stretch end of movable motor passes through fixed mount It is fixedly connected with road wheel, the upper surface of the frame is fixedly connected with polishing motor, and the axle stretch end of polishing motor is fixedly connected Have and driving gear be arranged with power transmission shaft, power transmission shaft, the both sides of power transmission shaft are respectively arranged with first driven shaft and second driven shaft, The first driven shaft and second driven shaft are connected through frame and with gantry rotation, first driven shaft and second driven shaft difference Positioned at the both sides of I-shaped guide rail, the top of first driven shaft is arranged with the first driven gear, and the top of second driven shaft is arranged There is the second driven gear, first driven gear and the second driven gear are engaged with driving gear, the first driven shaft It is fixedly connected with the lower end of second driven shaft on the right side of the first polishing emery wheel, the power transmission shaft and is provided with the 3rd driven shaft, the Three driven shafts are connected through frame and with gantry rotation, and the lower end of the 3rd driven shaft is fixedly connected with the second polishing emery wheel, second Polishing emery wheel is abutted with the upper surface of I-shaped guide rail, and the top of the 3rd driven shaft is connected by transmission mechanism with power transmission shaft, The upper surface of the frame is fixedly connected with battery, and the side wall of frame is fixedly connected with console.
It is used as further scheme of the invention:The fixed mount has four.
It is used as further scheme of the invention:Cam is arranged with 3rd driven shaft, the upper surface of frame is opened up Have and sliding block is slidably connected in rectangular through-hole, rectangular through-hole, the lower surface of sliding block is fixedly connected with blade, and the right side wall of sliding block is consolidated Surely spring is connected with, the other end of spring is fixedly connected with the inwall of rectangular through-hole, and the left side wall of sliding block is abutted with cam.
It is used as further scheme of the invention:The rectangular through-hole is located at the right side of the 3rd driven shaft.
It is used as further scheme of the invention:The battery is rechargeable type battery.
Compared with prior art, the beneficial effects of the invention are as follows:The present apparatus is placed on I-shaped guide rail to be polished, The groove of I-shaped guide rail is polished using the first polishing emery wheel, power transmission shaft drives the 3rd driven shaft to turn by transmission mechanism It is dynamic, the upper surface of I-shaped guide rail is polished using the second polishing emery wheel, cam is engaged with spring, drive blade in work The upper surface of font guide rail moves reciprocatingly, and removes the impurity such as the burr of I-shaped guide rail surface, and the present apparatus can be simultaneously to I-shaped The groove of type guide rail and upper surface are polished, and substantially increase grinding efficiency, the present apparatus can while polishing automatic edge Guide rail advance, manpower is greatlyd save, has saved the time of workman, present apparatus compact is easy to carry, uses ten Divide facility.
Brief description of the drawings
Fig. 1 is the structural representation of portable I-shaped guide rail automatic sander;
Fig. 2 is the top view of portable I-shaped guide rail automatic sander;
Fig. 3 is the left view of fixed mount in portable I-shaped guide rail automatic sander.
In figure:1- frames;2- fixed mounts;3- road wheels;4- movable motors;5- polishing motors;6- power transmission shafts;7- driving tooths Wheel;8- first driven shafts;The driven gears of 9- first;10- second driven shafts;The driven gears of 11- second;The polishing emery wheels of 12- first; The driven shafts of 13- the 3rd;The polishing emery wheels of 14- second;15- transmission mechanisms;16- cams;17- rectangular through-holes;18- sliding blocks;19- knives Sword;20- springs;21- batteries;22- consoles.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
Refer in Fig. 1~3, the embodiment of the present invention, a kind of portable I-shaped guide rail automatic sander, including frame 1, Fixed mount 2, road wheel 3, the polishing polishing polishing of emery wheel 12, second of motor 5, first emery wheel 14, blade 19 and battery 21, it is described The lower surface of frame 1 is fixedly connected with fixed mount 2, and fixed mount 2 has four, and I-shaped guide rail is passed through between fixed mount 2, institute The side wall for stating fixed mount 2 is rotatably connected to road wheel 3, and road wheel 3 is embedded in the groove of I-shaped guide rail both sides, the fixed mount 2 side wall is fixedly connected with movable motor 4, and the axle stretch end of movable motor 4 is fixed through fixed mount 2 with one of road wheel 3 Connection, starting movable motor 4 can drive road wheel 3 to rotate, and then drive frame 1 to be moved along I-shaped guide rail, the machine The upper surface of frame 1 is fixedly connected with polishing motor 5, and the axle stretch end of polishing motor 5, which is fixedly connected with power transmission shaft 6, power transmission shaft 6, to be covered Provided with driving gear 7, the both sides of power transmission shaft 6 are respectively arranged with first driven shaft 8 and second driven shaft 10, the first driven shaft 8 and second driven shaft 10 is through frame 1 and rotates and be connected with frame 1, first driven shaft 8 and second driven shaft 10 are respectively positioned at work The both sides of font guide rail, the top of first driven shaft 8 is arranged with the first driven gear 9, and the top of second driven shaft 10 is arranged with Second driven gear 11, the driven gear 11 of the first driven gear 9 and second is engaged with driving gear 7, described first from The lower end of moving axis 8 and second driven shaft 10 has been fixedly connected with the first polishing emery wheel 12, and the first polishing emery wheel 12 is embedded in I-shaped In the groove of guide rail both sides, polishing motor 5 drives power transmission shaft 6 to rotate when running, and then drives driving gear 7 to rotate, by the One driven gear 9 and the second driven gear 11 drive first driven shaft 8, second driven shaft 10 to rotate, so as to drive the first polishing Emery wheel 12 is rotated, and the groove of I-shaped guide rail is polished, and the right side of the power transmission shaft 6 is provided with the 3rd driven shaft 13, the Three driven shafts 13 are connected through frame 1 and with the rotation of frame 1, and the lower end of the 3rd driven shaft 13 is fixedly connected with the second polishing emery wheel 14, the second polishing emery wheel 14 is abutted with the upper surface of I-shaped guide rail, the top of the 3rd driven shaft 13 by transmission mechanism 15 and Power transmission shaft 6 is connected, and drives the 3rd driven shaft 13 to rotate by transmission mechanism 15 when power transmission shaft 6 is rotated, and then drives second dozen Grinding abrasive disk 14 is rotated, and the upper surface of I-shaped guide rail is polished, and cam 16 is arranged with the 3rd driven shaft 13, frame 1 Upper surface offers rectangular through-hole 17, and rectangular through-hole 17, which is located in the right side of the 3rd driven shaft 13, rectangular through-hole 17, to be slidably connected There is sliding block 18, the lower surface of sliding block 18 is fixedly connected with blade 19, and blade 19 is abutted with the upper surface of I-shaped guide rail, sliding block 18 Right side wall be fixedly connected with spring 20, the other end of spring 20 is fixedly connected with the inwall of rectangular through-hole 17, a left side for sliding block 18 Side wall is abutted with cam 16, and band moving cam 16 is rotated when the 3rd driven shaft 13 is rotated, and cam 16 is engaged with spring 20, so that band Movable slider 18 is moved left and right, so as to drive blade 19 to be moved reciprocatingly in the upper surface of I-shaped guide rail, removes I-shaped guide rail The impurity such as the burr on surface, the upper surface of the frame 1 is fixedly connected with battery 21, and the side wall of frame 1 is fixedly connected with control Platform 22 processed, the movable motor 4, polishing motor 5 are electrically connected with by console 22 with battery 21.
The present invention operation principle be:The present apparatus is placed on I-shaped guide rail to be polished, starts movable motor 4, Drive road wheel 3 to rotate, and then drive frame 1 to be moved along I-shaped guide rail, start polishing motor 5, when polishing motor 5 is run Drive power transmission shaft 6 to rotate, and then drive driving gear 7 to rotate, the is driven by the first driven gear 9 and the second driven gear 11 One driven shaft 8, second driven shaft 10 are rotated, so as to drive the first polishing emery wheel 12 to rotate, the groove of I-shaped guide rail is carried out Polishing, power transmission shaft 6 drives the 3rd driven shaft 13 to rotate by transmission mechanism 15, and then drives the second polishing emery wheel 14 to rotate, right The upper surface of I-shaped guide rail is polished, and the 3rd driven shaft 13 is rotated with moving cam 16, and cam 16 is engaged with spring 20, from And moved left and right with movable slider 18, so as to drive blade 19 to be moved reciprocatingly in the upper surface of I-shaped guide rail, remove I-shaped The impurity such as the burr of guide rail surface, the present apparatus can be automatic while polishing the groove of I-shaped guide rail and upper surface Advance along guide rail, save manpower.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It may be appreciated other embodiment.

Claims (5)

1. a kind of portable I-shaped guide rail automatic sander, including frame (1), fixed mount (2), road wheel (3), polishing motor (5), the first polishing emery wheel (12), the second polishing emery wheel (14), blade (19) and battery (21);Characterized in that, the machine The lower surface of frame (1) is fixedly connected with fixed mount (2), and the side wall of fixed mount (2) is rotatably connected to road wheel (3), fixed mount (2) Side wall be fixedly connected with movable motor (4), the axle stretch end of movable motor (4) connects through fixed mount (2) and road wheel (3) are fixed Connect, the upper surface of the frame (1) is fixedly connected with polishing motor (5), and the axle stretch end of polishing motor (5) is fixedly connected with transmission Driving gear (7) is arranged with axle (6), power transmission shaft (6), the both sides of power transmission shaft (6) are respectively arranged with first driven shaft (8) and Two driven shafts (10), the first driven shaft (8) and second driven shaft (10) are connected through frame (1) and with frame (1) rotation, First driven shaft (8) and second driven shaft (10) are located at the both sides of I-shaped guide rail respectively, and the top of first driven shaft (8) is arranged There is the first driven gear (9), the top of second driven shaft (10) is arranged with the second driven gear (11), first driven gear (9) engaged with the second driven gear (11) with driving gear (7), the first driven shaft (8) and second driven shaft (10) Lower end, which is fixedly connected with the right side of the first polishing emery wheel (12), the power transmission shaft (6), is provided with the 3rd driven shaft (13), the 3rd from Moving axis (13) is connected through frame (1) and with frame (1) rotation, and the lower end of the 3rd driven shaft (13) is fixedly connected with the second polishing Emery wheel (14), the second polishing emery wheel (14) is abutted with the upper surface of I-shaped guide rail, and the top of the 3rd driven shaft (13) is by passing Motivation structure (15) is connected with power transmission shaft (6), and the upper surface of the frame (1) is fixedly connected with battery (21), frame (1) Side wall is fixedly connected with console (22).
2. portable I-shaped guide rail automatic sander according to claim 1, it is characterised in that the fixed mount (2) Have four.
3. portable I-shaped guide rail automatic sander according to claim 1, it is characterised in that the 3rd driven shaft (13) cam (16) is arranged with, the upper surface of frame (1) is offered to be slidably connected in rectangular through-hole (17), rectangular through-hole (17) There is sliding block (18), the lower surface of sliding block (18) is fixedly connected with blade (19), and the right side wall of sliding block (18) is fixedly connected with spring (20), the other end of spring (20) is fixedly connected with the inwall of rectangular through-hole (17), left side wall and the cam (16) of sliding block (18) Abut.
4. portable I-shaped guide rail automatic sander according to claim 3, it is characterised in that the rectangular through-hole (17) it is located at the right side of the 3rd driven shaft (13).
5. portable I-shaped guide rail automatic sander according to claim 1, it is characterised in that the battery (21) For rechargeable type battery.
CN201710603285.1A 2017-07-22 2017-07-22 A kind of portable I-shaped guide rail automatic sander Pending CN107225480A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710603285.1A CN107225480A (en) 2017-07-22 2017-07-22 A kind of portable I-shaped guide rail automatic sander

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710603285.1A CN107225480A (en) 2017-07-22 2017-07-22 A kind of portable I-shaped guide rail automatic sander

Publications (1)

Publication Number Publication Date
CN107225480A true CN107225480A (en) 2017-10-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710603285.1A Pending CN107225480A (en) 2017-07-22 2017-07-22 A kind of portable I-shaped guide rail automatic sander

Country Status (1)

Country Link
CN (1) CN107225480A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2554521A (en) * 2016-08-10 2018-04-04 Boeing Co Method and automated rover device for surface treatment
CN109396999A (en) * 2018-12-08 2019-03-01 山东莱德机械有限公司 Remove the emery wheel of groove pipe fitting flash
CN109397000A (en) * 2018-12-08 2019-03-01 山东莱德机械有限公司 Groove pipe fitting flash removal device
CN110814914A (en) * 2019-11-21 2020-02-21 合肥巍华智能停车设备有限公司 Carry sweep production and make surface treatment device
CN111571403A (en) * 2020-06-02 2020-08-25 福州脉弧科技有限公司 Physical friction rust cleaning device of H shaped steel
CN112025485A (en) * 2020-08-10 2020-12-04 李景乔 Wiring groove contact plane grinding equipment for building decoration
CN112223017A (en) * 2020-10-10 2021-01-15 王凤艳 Machining machine for automobile swing arm and using method of machining machine
CN113146704A (en) * 2021-05-06 2021-07-23 重庆化工职业学院 Energy storage battery trimming device

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CN2193227Y (en) * 1993-12-31 1995-03-29 尚尔纯 Movable switch polishing machine
CN2331477Y (en) * 1998-04-30 1999-08-04 张伟 Machine for processing arc surface of building stones
US6663476B1 (en) * 2002-04-09 2003-12-16 Matweld, Inc. Portable multi-purpose rail grinding machine
KR20060028802A (en) * 2006-03-14 2006-04-03 전인택 Grinder for concrete
CN104385088A (en) * 2014-10-16 2015-03-04 南京工艺装备制造有限公司 High-precision fast grinding device of guide rail roller way
CN205765401U (en) * 2016-07-16 2016-12-07 晋江市中德顺机械有限公司 The orientable the Casting Kibbling Mill of frame
CN205852448U (en) * 2016-01-14 2017-01-04 河北博广环保设备制造有限公司 A kind of lathe track polishing device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2193227Y (en) * 1993-12-31 1995-03-29 尚尔纯 Movable switch polishing machine
CN2331477Y (en) * 1998-04-30 1999-08-04 张伟 Machine for processing arc surface of building stones
US6663476B1 (en) * 2002-04-09 2003-12-16 Matweld, Inc. Portable multi-purpose rail grinding machine
KR20060028802A (en) * 2006-03-14 2006-04-03 전인택 Grinder for concrete
CN104385088A (en) * 2014-10-16 2015-03-04 南京工艺装备制造有限公司 High-precision fast grinding device of guide rail roller way
CN205852448U (en) * 2016-01-14 2017-01-04 河北博广环保设备制造有限公司 A kind of lathe track polishing device
CN205765401U (en) * 2016-07-16 2016-12-07 晋江市中德顺机械有限公司 The orientable the Casting Kibbling Mill of frame

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10150196B2 (en) 2016-08-10 2018-12-11 The Boeing Company Method and automated rover device for surface treatment
GB2554521B (en) * 2016-08-10 2020-04-01 Boeing Co Method and automated rover device for surface treatment
GB2554521A (en) * 2016-08-10 2018-04-04 Boeing Co Method and automated rover device for surface treatment
CN109396999B (en) * 2018-12-08 2024-02-23 山东莱德机械有限公司 Grinding wheel for removing burrs of grooved pipe fitting
CN109396999A (en) * 2018-12-08 2019-03-01 山东莱德机械有限公司 Remove the emery wheel of groove pipe fitting flash
CN109397000A (en) * 2018-12-08 2019-03-01 山东莱德机械有限公司 Groove pipe fitting flash removal device
CN109397000B (en) * 2018-12-08 2024-02-23 山东莱德机械有限公司 Device for removing burrs of grooved pipe fitting
CN110814914A (en) * 2019-11-21 2020-02-21 合肥巍华智能停车设备有限公司 Carry sweep production and make surface treatment device
CN111571403A (en) * 2020-06-02 2020-08-25 福州脉弧科技有限公司 Physical friction rust cleaning device of H shaped steel
CN112025485A (en) * 2020-08-10 2020-12-04 李景乔 Wiring groove contact plane grinding equipment for building decoration
CN112223017B (en) * 2020-10-10 2021-11-12 江苏塑光汽车部件有限公司 Machining machine for automobile swing arm and using method of machining machine
CN112223017A (en) * 2020-10-10 2021-01-15 王凤艳 Machining machine for automobile swing arm and using method of machining machine
CN113146704A (en) * 2021-05-06 2021-07-23 重庆化工职业学院 Energy storage battery trimming device

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