CN108177084A - A kind of environment-friendly type machine components grinding device based on rotational power - Google Patents

A kind of environment-friendly type machine components grinding device based on rotational power Download PDF

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Publication number
CN108177084A
CN108177084A CN201711418717.8A CN201711418717A CN108177084A CN 108177084 A CN108177084 A CN 108177084A CN 201711418717 A CN201711418717 A CN 201711418717A CN 108177084 A CN108177084 A CN 108177084A
Authority
CN
China
Prior art keywords
setting
environment
drive shaft
machine components
friendly type
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
CN201711418717.8A
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Chinese (zh)
Inventor
邢济祥
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.)
Zhengzhou Moer Electronic Information Technology Co Ltd
Original Assignee
Zhengzhou Moer Electronic 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 Zhengzhou Moer Electronic Information Technology Co Ltd filed Critical Zhengzhou Moer Electronic Information Technology Co Ltd
Priority to CN201711418717.8A priority Critical patent/CN108177084A/en
Publication of CN108177084A publication Critical patent/CN108177084A/en
Pending legal-status Critical Current

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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
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/10Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
    • 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
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/02Frames; Beds; Carriages
    • 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
    • B24B55/00Safety 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
    • B24B55/04Protective covers for the grinding wheel
    • 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
    • B24B55/00Safety 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
    • B24B55/06Dust extraction equipment on grinding or polishing machines

Abstract

The invention discloses a kind of environment-friendly type machine components grinding devices based on rotational power, including device body, described device ontology sets pedestal, the top setting crossbeam of the pedestal, the top setting workpiece slot of the pedestal, the inside setting fixing axle of the crossbeam, described device ontology sets drive shaft, connector is set in the drive shaft, the bottom setting connecting rod of the connector, the bottom of the connecting rod is equipped with hairbrush, device body setting fixed frame, the inside setting Power Component of the fixed frame.The configuration of the present invention is simple; by way of gear assembly power is provided for device body; realize the shuttle rotation of device body polishing structure; so as to polish, and drive cleaning mechanism is continual to clear up workpiece surface by shuttle movement, the effect of cleaning is good; scrap loss caused by avoiding the manner of cleaning up of existing air blowing type; working environment is protected, the feature of environmental protection is good, highly practical.

Description

A kind of environment-friendly type machine components grinding device based on rotational power
Technical field
The present invention relates to grinding device, specifically a kind of environment-friendly type machine components grinding device based on rotational power.
Background technology
It is the primary element for forming machinery that machine components, which are also known as mechanical organ, is that composition machinery and machine can not decouple Single product.
Polishing is one kind of process for modifying surface, refers generally to by rough object(Sand paper containing higher hardness particle Deng)To change by friction a kind of processing method of material surface physical property, main purpose is thick in order to obtain particular surface Rugosity.Language goes out first anonymous person《Little Wei Chi》First folding:" today on private residence lobby, tidies up military uniform, weapons of polishing.”
Machine components need to carry out its surface sanding and polishing after manufacturing, are needed after sanding and polishing by the scrap on its surface It cleans up, but existing manner of cleaning up is substantially what is handled by way of air blowing, therefore meeting when its processing Scrap in working environment is caused to dance in the air, very big influence is caused to working environment, the feature of environmental protection is poor, it is therefore desirable to which it is changed Into.
Invention content
The purpose of the present invention is to provide a kind of environment-friendly type machine components grinding device based on rotational power, in solution State the problem of being proposed in background technology.
To achieve the above object, the present invention provides following technical solution:
A kind of environment-friendly type machine components grinding device based on rotational power, including device body, described device ontology setting base Seat, the top setting crossbeam of the pedestal, is welded to connect between the crossbeam and pedestal by the effect of supporting rack fixation, described The inner wall of the top setting workpiece slot of pedestal, the inside setting fixing axle of the crossbeam, the fixing axle and crossbeam is welded to connect, Described device ontology sets drive shaft, is rotatablely connected between the drive shaft and supporting rack by the effect of bearing, the driving Connector on axis is set, is connected between the connector and drive shaft by screw-type, it is sliding between the connector and fixing axle Dynamic connection, the bottom setting connecting rod of the connector, between the connecting rod and the outer wall of connector by welding It is fixedly connected, the bottom of the connecting rod is equipped with hairbrush, is fixedly connected between the hairbrush and connecting rod, and device body setting is solid Determine frame, the outer wall of the fixed frame and supporting rack is welded to connect, the inside setting Power Component of the fixed frame, the power packages Part is mainly made of master gear, pinion and partial gear, and the Power Component sets master gear, and the master gear passes through It is rotatablely connected between the effect of rotational pin and fixed frame, the both sides setting pinion of the master gear, the pinion and fixation It is intermeshed, is rotatablely connected between the pinion and fixed frame by the effect of rotational pin, the end of the pinion between frame Partial gear on face is set, is fixedly connected by welding between the partial gear and pinion, left and right two Partial gear direction on pinion is consistent.
As further embodiment of the present invention:The bottom of workpiece slot is equipped with the end face of protective pad, the protective pad and pedestal Between be fixedly connected by the effect of glue.
As further embodiment of the present invention:The left and right ends setting sliding block of the workpiece slot, the sliding block and workpiece slot Between be welded to connect, the sliding block in left side is equipped with threaded rod, is connected between the threaded rod and sliding block by screw-type, right side Guide rod on sliding block is set, is slidably connected between the guide rod and sliding block, is led between the threaded rod or guide rod and pedestal Cross the effect rotation connection of bearing.
As further embodiment of the present invention:The drive shaft is equipped with screw thread, and the screw thread is set at two, the spiral shell at two Line direction is opposite.
As further embodiment of the present invention:The bottom setting rotation axis of the crossbeam, between the rotation axis and crossbeam It is rotatablely connected by the effect of bearing, the bottom setting grinding wheel of the rotation axis passes through screw between the grinding wheel and rotation axis Effect be fixedly connected.
As further embodiment of the present invention:Bevel gear is set in the rotation axis, between the bevel gear and rotation axis It is fixedly connected by the effect of screw, the position that bevel gear in rotation axis is corresponded in the drive shaft is also provided with bevel gear, two It is intermeshed between bevel gear.
As further embodiment of the present invention:The top setting protective cover of the grinding wheel, between the protective cover and grinding wheel It is fixed by screw.
As further embodiment of the present invention:The both ends setting removable pin of the rack, between the removable pin and rack It is welded to connect, is slidably connected between the rack and fixed frame.
As further scheme of the invention:The right part setting drive gear of the drive shaft, the drive gear It is fixedly connected by welding between drive shaft, the lower section setting rack of the drive gear, the rack and driving Gear is intermeshed, and is intermeshed between the rack and partial gear.
Compared with prior art, the beneficial effects of the invention are as follows:The configuration of the present invention is simple is by way of gear assembly Device body provides power, the shuttle rotation of device body polishing structure is realized, so as to polish, and by past Compound movement has driven cleaning mechanism is continual to clear up workpiece surface, and the effect of cleaning is good, avoids existing blow Scrap loss caused by the manner of cleaning up of gas formula protects working environment, and the feature of environmental protection is good, highly practical.
Description of the drawings
Fig. 1 is the structure diagram of the environment-friendly type machine components grinding device based on rotational power.
Fig. 2 is the structure diagram of Power Component in the environment-friendly type machine components grinding device based on rotational power.
Fig. 3 is the signal that sliding tooth wheel and rack coordinates in the environment-friendly type machine components grinding device based on rotational power Figure.
Specific embodiment
The technical solution of this patent is described in more detail With reference to embodiment.
- 3 are please referred to Fig.1, a kind of environment-friendly type machine components grinding device based on rotational power, including device body, institute Device body setting pedestal 1 is stated, the top setting crossbeam 3 of the pedestal 1 passes through supporting rack 2 between the crossbeam 3 and pedestal 1 Effect fixation be welded to connect, the top of the pedestal 1 setting workpiece slot 4, the bottom of workpiece slot 4 is equipped with protective pad 5, described anti- It is fixedly connected between protection pad 5 and the end face of pedestal 1 by the effect of glue, the left and right ends setting sliding block 6 of the workpiece slot 4, Be welded to connect between the sliding block 6 and workpiece slot 4, the sliding block 6 in left side is equipped with threaded rod 7, the threaded rod 7 and sliding block 6 it Between connected by screw-type, on the sliding block 6 on right side set guide rod 8, be slidably connected between the guide rod 8 and sliding block 6, it is described It is rotatablely connected between threaded rod 7 or guide rod 8 and pedestal 1 by the effect of bearing, the inside setting fixing axle 9 of the crossbeam 3, The fixing axle 9 and the inner wall of crossbeam 3 are welded to connect, described device ontology setting drive shaft 10, the drive shaft 10 and support It is rotatablely connected between frame 2 by the effect of bearing, the drive shaft 10 is equipped with screw thread, and the screw thread is set at two, at two Hand of spiral on the contrary, in the drive shaft 10 set connector 11, pass through screw-type between the connector 11 and drive shaft 10 Connection, is slidably connected between the connector 11 and fixing axle 9, the bottom setting connecting rod 16 of the connector 11, the company It is fixedly connected by welding between extension bar 16 and the outer wall of connector 11, the bottom of the connecting rod 16 is equipped with hairbrush 17, it is fixedly connected between the hairbrush 17 and connecting rod 16, the bottom setting rotation axis 12 of the crossbeam 3, the rotation axis 12 It is rotatablely connected between crossbeam 3 by the effect of bearing, bevel gear 13 is set in the rotation axis 12, and the bevel gear 13 is with turning It is fixedly connected between moving axis 12 by the effect of screw, the position of bevel gear 13 in rotation axis 12 is corresponded in the drive shaft 10 Bevel gear 13 is set, is intermeshed between two bevel gears 13, the bottom setting grinding wheel 14 of the rotation axis 12, the grinding wheel 14 It is fixedly connected between rotation axis 12 by the effect of screw, the top setting protective cover 15 of the grinding wheel 14, the protective cover It is fixed between 15 and grinding wheel 14 by screw, the right part setting drive gear 18 of the drive shaft 10, the drive gear 18 It is fixedly connected by welding between drive shaft 10, the lower section setting rack 19 of the drive gear 18, the rack 19 are intermeshed with drive gear 18, the both ends setting removable pin 25 of the rack 19, between the removable pin 25 and rack 19 It is welded to connect, device body setting fixed frame 20, the outer wall of the fixed frame 20 and supporting rack 2 is welded to connect, the rack 19 It is slidably connected between fixed frame 20, the inside setting Power Component 21 of the fixed frame 20, the Power Component 21 passes through solid The effect for determining frame 20 is installed, and the Power Component 21 is mainly by 24 structure of master gear 22, pinion 23 and partial gear Into the Power Component 21 sets master gear 22, and the master gear 22 between the effect of rotational pin and fixed frame 20 by rotating Connection, the both sides setting pinion 23 of the master gear 22, is intermeshed, the pair between the pinion 23 and fixed frame 20 It is rotatablely connected between gear 23 and fixed frame 20 by the effect of rotational pin, incomplete tooth is set on the end face of the pinion 23 Wheel 24, is fixedly connected by welding between the partial gear 24 and pinion 23, on two pinions 23 in left and right 24 direction of partial gear be consistent, be intermeshed between the rack 19 and partial gear 24.
The present invention operation principle be:The height of workpiece slot 4 is adjusted first before device body use, by turning Dynamic threaded rod 7 drives the movement of workpiece slot 4, so as to change the height of workpiece slot 4, is adapted to by adjusting the height of workpiece slot 4 The demand of different workpieces polishing, is passed when device body uses by external driving motor and the rotational pin on master gear 22 Dynamic connection, the rotation of master gear 22 is driven by driving motor, pinion 23 is driven to rotate when master gear 22 rotates, because It is intermittent action, therefore rack 19 moves reciprocatingly between two pinions 23 in left and right and rack 19, when rack 19 moves When drive gear 18 is driven to rotate because rack 19 is to move back and forth, therefore drive gear 18 does forward and reverse rotation, is driving Drive what drive shaft 10 rotated when moving gear 18 rotates, due to being by bevel gear 13 between drive shaft 10 and rotation axis 12 Effect connection, therefore when drive shaft 10 rotate drive rotation axis 12 rotation, pass through rotation axis 12 rotation drive Grinding wheel 14 rotates, and polishes so as to fulfill by grinding wheel 14 workpiece, and because of connector 11 and driving when polishing It between axis 10 is connected by screw-type, therefore by movement of the drive shaft 10 with follower link 11, is moved in connector 11 When the surface of workpiece is ceaselessly cleared up, the configuration of the present invention is simple, by way of gear assembly be device body Power is provided, the shuttle rotation of device body polishing structure is realized, so as to polish, and passes through shuttle fortune Dynamic to have driven cleaning mechanism is continual to clear up workpiece surface, the effect of cleaning is good, avoids the clear of existing air blowing type Scrap loss caused by reason mode protects working environment, and the feature of environmental protection is good, highly practical.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party Formula, can also be under the premise of this patent objective not be departed from the knowledge that one skilled in the relevant art has It makes a variety of changes.
It should be strongly noted that Power Component, cleaning mechanism are the innovative point of the application, existing blow is efficiently solved The problem of scrap loss caused by the manner of cleaning up of gas formula, the feature of environmental protection is poor.

Claims (9)

1. a kind of environment-friendly type machine components grinding device based on rotational power, including device body, which is characterized in that the dress Put ontology setting pedestal(1), the pedestal(1)Top setting crossbeam(3), the crossbeam(3)With pedestal(1)Between pass through branch Support(2)Effect fixation be welded to connect, the pedestal(1)Top setting workpiece slot(4), the crossbeam(3)Inside set Put fixing axle(9), the fixing axle(9)With crossbeam(3)Inner wall be welded to connect, described device ontology setting drive shaft(10), The drive shaft(10)With supporting rack(2)Between be rotatablely connected by the effect of bearing, the drive shaft(10)Upper setting connection Part(11), the connector(11)With drive shaft(10)Between connected by screw-type, the connector(11)With fixing axle(9) Between be slidably connected, the connector(11)Bottom setting connecting rod(16), the connecting rod(16)With connector(11)'s It is fixedly connected by welding between outer wall, the connecting rod(16)Bottom be equipped with hairbrush(17), the hairbrush(17) With connecting rod(16)Between be fixedly connected, device body setting fixed frame(20), the fixed frame(20)With supporting rack(2)It is outer Wall is welded to connect, the fixed frame(20)Inside setting Power Component(21), the Power Component(21)Mainly by main tooth Wheel(22), pinion(23)And partial gear(24)It forms, the Power Component(21)Master gear is set(22), the main tooth Wheel(22)Effect and fixed frame by rotational pin(20)Between be rotatablely connected, the master gear(22)Both sides setting pinion (23), the pinion(23)With fixed frame(20)Between be intermeshed, the pinion(23)With fixed frame(20)Between lead to Cross the effect rotation connection of rotational pin, the pinion(23)End face on partial gear is set(24), the incomplete tooth Wheel(24)With pinion(23)Between be fixedly connected by welding, left and right two pinions(23)On partial gear (24)Direction is consistent.
2. the environment-friendly type machine components grinding device according to claim 1 based on rotational power, which is characterized in that workpiece Slot(4)Bottom be equipped with protective pad(5), the protective pad(5)With pedestal(1)End face between fixed and connect by the effect of glue It connects.
3. the environment-friendly type machine components grinding device according to claim 1 based on rotational power, which is characterized in that described Workpiece slot(4)Left and right ends setting sliding block(6), the sliding block(6)With workpiece slot(4)Between be welded to connect, the sliding block in left side (6)It is equipped with threaded rod(7), the threaded rod(7)With sliding block(6)Between connected by screw-type, the sliding block on right side(6)On set Put guide rod(8), the guide rod(8)With sliding block(6)Between be slidably connected, the threaded rod(7)Or guide rod(8)With pedestal (1)Between be rotatablely connected by the effect of bearing.
4. the environment-friendly type machine components grinding device according to claim 1 based on rotational power, which is characterized in that described Drive shaft(10)Screw thread is equipped with, the screw thread is set at two, and the hand of spiral at two is opposite.
5. the environment-friendly type machine components grinding device according to claim 1 based on rotational power, which is characterized in that described Crossbeam(3)Bottom setting rotation axis(12), the rotation axis(12)With crossbeam(3)Between rotated and connect by the effect of bearing It connects, the rotation axis(12)Bottom setting grinding wheel(14), the grinding wheel(14)With rotation axis(12)Between pass through the work of screw With being fixedly connected.
6. the environment-friendly type machine components grinding device according to claim 5 based on rotational power, which is characterized in that described Rotation axis(12)Upper setting bevel gear(13), the bevel gear(13)With rotation axis(12)Between fixed and connect by the effect of screw It connects, the drive shaft(10)Upper corresponding rotation axis(12)Upper bevel gear(13)Position be also provided with bevel gear(13), two cone teeth Wheel(13)Between be intermeshed.
7. the environment-friendly type machine components grinding device according to claim 5 based on rotational power, which is characterized in that described Grinding wheel(14)Top setting protective cover(15), the protective cover(15)With grinding wheel(14)Between fixed by screw.
8. the environment-friendly type machine components grinding device according to claim 1 based on rotational power, which is characterized in that described Rack(19)Both ends setting removable pin(25), the removable pin(25)With rack(19)Between be welded to connect, the rack (19)With fixed frame(20)Between be slidably connected.
9. the environment-friendly type machine components grinding device according to claim 1 based on rotational power, which is characterized in that described Drive shaft(10)Right part setting drive gear(18), the drive gear(18)With drive shaft(10)Between pass through welding Mode is fixedly connected, the drive gear(18)Lower section setting rack(19), the rack(19)With drive gear(18)Phase Mutually engagement, the rack(19)With partial gear(24)Between be intermeshed.
CN201711418717.8A 2017-12-25 2017-12-25 A kind of environment-friendly type machine components grinding device based on rotational power Pending CN108177084A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711418717.8A CN108177084A (en) 2017-12-25 2017-12-25 A kind of environment-friendly type machine components grinding device based on rotational power

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711418717.8A CN108177084A (en) 2017-12-25 2017-12-25 A kind of environment-friendly type machine components grinding device based on rotational power

Publications (1)

Publication Number Publication Date
CN108177084A true CN108177084A (en) 2018-06-19

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108788975A (en) * 2018-06-22 2018-11-13 郭庆平 A kind of machine components grinding device based on reciprocating motion
CN108928031A (en) * 2018-07-04 2018-12-04 无锡南理工科技发展有限公司 A kind of chemical industry environment-friendly coal Slag treatment device and its application method
CN112192403A (en) * 2020-09-21 2021-01-08 刘勇 Equipment top layer precision polishing equipment for machining
CN114770280A (en) * 2022-05-13 2022-07-22 江西铭瑞陶瓷有限公司 Glazed tile edge grinding device

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Publication number Priority date Publication date Assignee Title
US5065651A (en) * 1989-06-30 1991-11-19 Mccord Winn Textron Inc. Method and machine for finishing commutators
CN201205665Y (en) * 2008-01-23 2009-03-11 环胜电子(深圳)有限公司 Automatic plate-edge grinding machine
CN202318007U (en) * 2011-11-22 2012-07-11 河南科隆集团有限公司 Aluminium plate surface grinding machine
CN103537963A (en) * 2013-09-27 2014-01-29 孟静 Cast iron burring method
CN204673386U (en) * 2015-04-30 2015-09-30 泰州市安捷利汽车配件有限公司 A kind of hole abrading machine
CN204935294U (en) * 2015-08-05 2016-01-06 长兴玖佳机械科技有限公司 A kind of brush plate machine
CN107336096A (en) * 2017-09-28 2017-11-10 姚飞 A kind of automobile gear end face sanding apparatus

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5065651A (en) * 1989-06-30 1991-11-19 Mccord Winn Textron Inc. Method and machine for finishing commutators
CN201205665Y (en) * 2008-01-23 2009-03-11 环胜电子(深圳)有限公司 Automatic plate-edge grinding machine
CN202318007U (en) * 2011-11-22 2012-07-11 河南科隆集团有限公司 Aluminium plate surface grinding machine
CN103537963A (en) * 2013-09-27 2014-01-29 孟静 Cast iron burring method
CN204673386U (en) * 2015-04-30 2015-09-30 泰州市安捷利汽车配件有限公司 A kind of hole abrading machine
CN204935294U (en) * 2015-08-05 2016-01-06 长兴玖佳机械科技有限公司 A kind of brush plate machine
CN107336096A (en) * 2017-09-28 2017-11-10 姚飞 A kind of automobile gear end face sanding apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108788975A (en) * 2018-06-22 2018-11-13 郭庆平 A kind of machine components grinding device based on reciprocating motion
CN108928031A (en) * 2018-07-04 2018-12-04 无锡南理工科技发展有限公司 A kind of chemical industry environment-friendly coal Slag treatment device and its application method
CN112192403A (en) * 2020-09-21 2021-01-08 刘勇 Equipment top layer precision polishing equipment for machining
CN114770280A (en) * 2022-05-13 2022-07-22 江西铭瑞陶瓷有限公司 Glazed tile edge grinding device
CN114770280B (en) * 2022-05-13 2023-05-30 唐山瑞姿科技服务有限公司 Glazed tile edge grinding device

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Application publication date: 20180619

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