CN108436714A - A kind of fast polishing grinding device for machine-building - Google Patents

A kind of fast polishing grinding device for machine-building Download PDF

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Publication number
CN108436714A
CN108436714A CN201810448964.0A CN201810448964A CN108436714A CN 108436714 A CN108436714 A CN 108436714A CN 201810448964 A CN201810448964 A CN 201810448964A CN 108436714 A CN108436714 A CN 108436714A
Authority
CN
China
Prior art keywords
axis
pedestal
boss
guide rail
machine
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
CN201810448964.0A
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Chinese (zh)
Inventor
王英博
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.)
Dezhou Career Technical College (dezhou Technician College)
Original Assignee
Dezhou Career Technical College (dezhou Technician College)
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 Dezhou Career Technical College (dezhou Technician College) filed Critical Dezhou Career Technical College (dezhou Technician College)
Priority to CN201810448964.0A priority Critical patent/CN108436714A/en
Publication of CN108436714A publication Critical patent/CN108436714A/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
    • B24B27/00Other grinding machines or devices
    • B24B27/02Bench grinders
    • 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
    • B24B27/0092Grinding attachments for lathes or the like
    • 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
    • B24B41/007Weight compensation; Temperature compensation; Vibration damping
    • 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
    • B24B41/06Work supports, e.g. adjustable steadies
    • 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
    • B24B55/02Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
    • B24B55/03Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant designed as a complete equipment for feeding or clarifying coolant

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Abstract

The invention discloses a kind of fast polishing grinding devices for machine-building,Including pedestal,X-axis pedestal,Z axis guide rail,Clamping plate and water tank,It is provided with X-axis pedestal above the pedestal,It is provided with Z axis guide rail on the left of X-axis base top,Hanging stick is provided in Z axis guide rail,The hanging stick right end is inserted with fixing sleeve,The second motor is provided in fixing sleeve,The fixing sleeve upper and lower ends are both provided with second boss,Spring is provided between second boss and hanging stick,The motor bottom is provided with shaft,Shaft bottom is provided with turntable and is fixedly connected,Turntable bottom is arranged with mill,The clamping plate bottom is set on clamping plate guide rod,Water tank is arranged on rear side of pedestal,Tank top is provided with water pump,The present invention designs advantages of simple in structure,Practicability is very high,Spring is provided between fixing sleeve and hanging stick,Spring can play certain cushioning effect,And facilitate the pressure adjusted in bruting process between mill and workpiece,Keep polishing better.

Description

A kind of fast polishing grinding device for machine-building
Technical field
The present invention relates to a kind of mechanical equipment, specifically a kind of fast polishing grinding device for machine-building.
Background technology
Machine-building refer to be engaged in various dynamic power machines, handling machinery, chemical machinery, textile machine, lathe, tool, The industrial department of the productions such as instrument, instrument and other mechanical equipments.Machinery manufacturing industry provides technical equipment for entire national economy. Mechanical processing refers to the process of being changed to the appearance and size or performance of workpiece by a kind of mechanical equipment.By on processing method Difference can be divided into machining and pressure processing.Polishing refers to making workpiece surface using the effect of machinery, chemistry or electrochemistry Roughness reduces, the processing method to obtain bright, flat surface.It is to be situated between using polishing tool and abrasive grain or other polishings The modification processing that confrontation workpiece surface carries out.Polishing, is one kind of process for modifying surface, refers generally to (contain by rough object The sand paper etc. of higher hardness particle) to change by friction a kind of processing method of material surface physical property, main purpose is In order to obtain particular surface roughness.
Common polishing grinding mode is to drive grinding wheel rotation by motor, be ground to piece surface, make its surface Roughness reduces, and keeps the shapes and sizes of workpiece more accurate, still, the technique generally require worker's long-time operation into Row, higher to the level requirement of worker and time-consuming longer, process is relatively complicated.Therefore, those skilled in the art provide one kind For the fast polishing grinding device of machine-building, to solve the problems mentioned in the above background technology.
Invention content
The purpose of the present invention is to provide a kind of fast polishing grinding devices for machine-building, to solve above-mentioned background The problem of being proposed in technology.
To achieve the above object, the present invention provides the following technical solutions:
A kind of fast polishing grinding device for machine-building, including pedestal, X-axis pedestal, Z axis guide rail, clamping plate, Y-axis Pedestal and water tank are provided with X-axis pedestal above the pedestal, are provided with Z axis guide rail on the left of X-axis base top, in Z axis guide rail on Z axis lead screw is provided between lower wall, Z axis lead screw bottom is provided with first motor, hanging stick, Z axis are provided in the Z axis guide rail Lead screw is plugged in hanging stick and engagement connection, hanging stick top left side are provided with support plate, and rear and front end is respectively provided at the top of support plate There are idler wheel and rotation connection, the hanging stick right end to be inserted with fixing sleeve, the second motor, the second motor top are provided in fixing sleeve It is provided with first boss, the fixing sleeve upper and lower ends are both provided with second boss, and first boss is arranged above second boss, Spring is provided between second boss and hanging stick, the motor bottom is provided with shaft, and shaft bottom is provided with turntable and fixation Connection, turntable bottom is arranged with mill;
Top is provided with X-axis guide rail on the right side of the X-axis pedestal, and Y-axis pedestal is provided in X-axis guide rail, and the X-axis guide rail is left Middle part is provided with X-axis lead screw between right side wall, and X-axis lead screw is plugged in Y-axis pedestal, and driven wheel is provided on the right side of X-axis lead screw, from Driving wheel bottom is provided with driving wheel and engagement connection, is provided with runner on the right side of driving wheel, work is provided in the Y-axis pedestal Platform, the left and right sides between Y-axis pedestal front-rear side walls are respectively arranged with Y-axis guide rod and Y-axis lead screw, and Y-axis lead screw is plugged in work In platform and engagement connects, and is provided with clamping plate guide rod between the workbench front-rear side walls and is fixedly connected, the clamping plate bottom set It is located on clamping plate guide rod;
The water tank is arranged on rear side of pedestal, and tank top is provided with water pump, and conduit, the X-axis are provided with above water pump Chassis left side is provided with support column, and conduit upper end is plugged in support top end, outlet pipe is provided on the right side of the conduit.
As a further solution of the present invention:X-axis lead screw front and rear sides are both provided with X-axis guide rod.
As further scheme of the invention:Rear end bottom is provided with water outlet in the Y-axis pedestal.
As further scheme of the invention:It is provided with several screw vias on the clamping plate, is set on clamping plate guide rod It sets there are two clamping plate and is symmetrical arranged.
As further scheme of the invention:The X-axis pedestal right end is provided with protective cover.
As further scheme of the invention:The runner top right side is inserted with handle.
As further scheme of the invention:It is provided with water fender in X-axis pedestal below the Y-axis pedestal.
As further scheme of the invention:The first boss is fixedly connected with second boss by screw.
Compared with prior art, the beneficial effects of the invention are as follows:
The present invention designs advantages of simple in structure, uses easy to operate, and practicability is very high, and the second motor is logical It crosses screw to be fixedly connected with fixing sleeve, spring is provided between fixing sleeve and hanging stick, spring can play certain cushioning effect, and Facilitate the pressure adjusted in bruting process between mill and workpiece, keep polishing better, workbench is driven by lead screw in water It is moved in plane, hanging stick is moved by lead screw on perpendicular, is provided with idler wheel above hanging stick left end, can be played support hanging stick Effect, and the frictional force between hanging stick and the first guide rail can be reduced, reduce frictional dissipation between the two, and set in this equipment It is equipped with cooling device, and is driven by water pump.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of fast polishing grinding device for machine-building.
Fig. 2 is what structural schematic diagram in a kind of fast polishing grinding device for machine-building.
Fig. 3 is what structural schematic diagram in a kind of fast polishing grinding device for machine-building.
Fig. 4 is what structural schematic diagram in a kind of fast polishing grinding device for machine-building.
In figure:1- pedestals, 2-X axis pedestal, 3- first motors, 4-Z axial filaments bar, 5-Z axis rails, 6- hanging sticks, 7- support plates, 8- idler wheels, the second motors of 9-, 10- screws, 11- first boss, 12- fixing sleeves, 13- springs, 14- second boss, 15- shafts, 16- turntables, 17- mills, 18- clamping plates, 19- clamping plates guide rod, 20- workbench, 21-Y axis pedestal, 22-Y axial filaments bar, 23-Y spindle guides Bar, 24-X axis rails, 25-X axial filaments bar, 26- driven wheels, 27- protective covers, 28- driving wheels, 29- handles, 30- runners, 31- gears Water plate, 32- water outlets, 33-X spindle guides bar, 34- water tanks, 35- water pumps, 36- conduits, 37- support columns, 38- outlet pipes.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1~4, in the embodiment of the present invention, a kind of fast polishing grinding device for machine-building, including bottom Seat 1, X-axis pedestal 2, Z axis guide rail 5, clamping plate 18, Y-axis pedestal 21 and water tank 34,1 top of the pedestal are provided with X-axis pedestal 2, X 2 top left side of axis pedestal is provided with Z axis guide rail 5, and Z axis lead screw 4,4 bottom of Z axis lead screw are provided between top and bottom sidewall in Z axis guide rail 5 Portion is provided with first motor 3, and hanging stick 6 is provided in the Z axis guide rail 5, and Z axis lead screw 4 is plugged in hanging stick 6 and engagement connection, 6 top left side of hanging stick is provided with support plate 7, and 7 top rear and front end of support plate is both provided with idler wheel 8 and is rotatablely connected, described outstanding 6 right end of bar is inserted with fixing sleeve 12, and the second motor 9 is provided in fixing sleeve 12, and 9 top of the second motor is provided with first boss 11,12 upper and lower ends of the fixing sleeve are both provided with second boss 14, and first boss 11 is arranged above second boss 14, and second Spring 13 is provided between boss 14 and hanging stick 6,9 bottom of the motor is provided with shaft 15, and 15 bottom of shaft is provided with turntable It 16 and is fixedly connected, 16 bottom of turntable is arranged with mill 17;
2 right side top of the X-axis pedestal is provided with X-axis guide rail 24, and Y-axis pedestal 21, the X are provided in X-axis guide rail 24 Middle part is provided with X-axis lead screw 25 between 24 left and right sidewall of axis rail, and X-axis lead screw 25 is plugged in Y-axis pedestal 21, X-axis lead screw 25 Right side is provided with driven wheel 26, and 26 bottom of driven wheel is provided with driving wheel 28 and engagement connection, and 28 right side of driving wheel, which is provided with, to be turned 30 are taken turns, is provided with workbench 20 in the Y-axis pedestal 21, the left and right sides between 21 front-rear side walls of Y-axis pedestal is respectively arranged with Y Spindle guide bar 23 and Y-axis lead screw 22, Y-axis lead screw 22 is plugged in workbench 20 and engagement connection, 20 front-rear side walls of the workbench Between be provided with clamping plate guide rod 19 and be fixedly connected, 18 bottom of the clamping plate is set on clamping plate guide rod 19;
For the setting of the water tank 34 in 1 rear side of pedestal, 34 top of water tank is provided with water pump 35, and 35 top of water pump is provided with conduit 36,2 left side of the X-axis pedestal is provided with support column 37, and 36 upper end of conduit is plugged in 37 top of support column, 36 right side of the conduit It is provided with outlet pipe 38.
25 front and rear sides of X-axis lead screw are both provided with X-axis guide rod 33.
Rear end bottom is provided with water outlet 32 in the Y-axis pedestal 21.
It is provided with several screw vias on the clamping plate 18, is arranged there are two clamping plate 18 on clamping plate guide rod 19 and symmetrically sets It sets.
2 right end of X-axis pedestal is provided with protective cover 27.
30 top right side of the runner is inserted with handle 29.
It is provided with water fender 31 in the X-axis pedestal 2 of 21 lower section of the Y-axis pedestal.
The first boss 11 is fixedly connected with second boss 14 by screw 10.
The present invention operation principle be:
The present invention relates to a kind of fast polishing grinding devices for machine-building, before use, in two clamping plates, 18 opposite side The fixture block for meeting workpiece shapes is installed, and is fixedly connected by screw, between workpiece is then placed on two fixture blocks, and is passed through Two clamping plate 18 of screw lock can then start polishing grinding work, during use, can adjust mill by Z axis lead screw 4 The distance between 17 and workpiece are passed through by X-axis lead screw 25 and Y-axis lead screw 22 to adjust the position of workbench 20 in the horizontal plane Water pump 35 and outlet pipe 38 cool down to workpiece, in water outlet 32 and X-axis pedestal 2 of the coolant liquid by 21 rear side of Y-axis pedestal Water fender 31 flow into water tank 34.
The present invention designs advantages of simple in structure, uses easy to operate, and practicability is very high, and the second motor is logical It crosses screw to be fixedly connected with fixing sleeve, spring is provided between fixing sleeve and hanging stick, spring can play certain cushioning effect, and Facilitate the pressure adjusted in bruting process between mill and workpiece, keep polishing better, workbench is driven by lead screw in water It is moved in plane, hanging stick is moved by lead screw on perpendicular, is provided with idler wheel above hanging stick left end, can be played support hanging stick Effect, and the frictional force between hanging stick and the first guide rail can be reduced, reduce frictional dissipation between the two, and set in this equipment It is equipped with cooling device, and is driven by water pump.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, 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, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (8)

1. a kind of fast polishing grinding device for machine-building, including pedestal (1), X-axis pedestal (2), Z axis guide rail (5), folder Plate (18), Y-axis pedestal (21) and water tank (34), which is characterized in that be provided with X-axis pedestal (2), X-axis bottom above the pedestal (1) Seat (2) top left side is provided with Z axis guide rail (5), and Z axis lead screw (4), Z axis silk are provided between Z axis guide rail (5) interior top and bottom sidewall Bar (4) bottom is provided with first motor (3), is provided with hanging stick (6) in the Z axis guide rail (5), Z axis lead screw (4) is plugged in hanging stick (6) in and engagement connection, hanging stick (6) top left side are provided with support plate (7), and rear and front end is both provided at the top of support plate (7) Idler wheel (8) and rotation connection, hanging stick (6) right end are inserted with fixing sleeve (12), the second motor are provided in fixing sleeve (12) (9), the second motor (9) top is provided with first boss (11), and fixing sleeve (12) upper and lower ends are both provided with second boss (14), first boss (11) setting is provided with spring above second boss (14) between second boss (14) and hanging stick (6) (13), motor (9) bottom is provided with shaft (15), and shaft (15) bottom is provided with turntable (16) and is fixedly connected, turntable (16) bottom is arranged with mill (17);
Top is provided with X-axis guide rail (24) on the right side of the X-axis pedestal (2), and Y-axis pedestal (21), institute are provided in X-axis guide rail (24) Middle part is provided with X-axis lead screw (25) between stating X-axis guide rail (24) left and right sidewall, and X-axis lead screw (25) is plugged in Y-axis pedestal (21) It is interior, driven wheel (26) is provided on the right side of X-axis lead screw (25), driven wheel (26) bottom is provided with driving wheel (28) and engagement connection, It is provided with runner (30) on the right side of driving wheel (28), is provided with workbench (20) in the Y-axis pedestal (21), before Y-axis pedestal (21) The left and right sides between rear wall is respectively arranged with Y-axis guide rod (23) and Y-axis lead screw (22), and Y-axis lead screw (22) is plugged in work In platform (20) and engagement connects, and is provided with clamping plate guide rod (19) between workbench (20) front-rear side walls and is fixedly connected, institute Clamping plate (18) bottom is stated to be set on clamping plate guide rod (19);
Water tank (34) setting is provided with water pump (35), is arranged above water pump (35) on rear side of pedestal (1) at the top of water tank (34) There is conduit (36), support column (37) is provided on the left of the X-axis pedestal (2), conduit (36) upper end is plugged in support column (37) top End, conduit (36) right side are provided with outlet pipe (38).
2. a kind of fast polishing grinding device for machine-building according to claim 1, which is characterized in that the X Axial filament bar (25) front and rear sides are both provided with X-axis guide rod (33).
3. a kind of fast polishing grinding device for machine-building according to claim 1, which is characterized in that the Y The interior rear end bottom of axis pedestal (21) is provided with water outlet (32).
4. a kind of fast polishing grinding device for machine-building according to claim 1, which is characterized in that the folder It is provided with several screw vias on plate (18), is arranged on clamping plate guide rod (19) there are two clamping plate (18) and is symmetrical arranged.
5. a kind of fast polishing grinding device for machine-building according to claim 1, which is characterized in that the X Axis pedestal (2) right end is provided with protective cover (27).
6. a kind of fast polishing grinding device for machine-building according to claim 1, which is characterized in that described turn Wheel (30) top right side is inserted with handle (29).
7. a kind of fast polishing grinding device for machine-building according to claim 1, which is characterized in that the Y It is provided with water fender (31) in X-axis pedestal (2) below axis pedestal (21).
8. a kind of fast polishing grinding device for machine-building according to claim 1, which is characterized in that described One boss (11) is fixedly connected with second boss (14) by screw (10).
CN201810448964.0A 2018-05-11 2018-05-11 A kind of fast polishing grinding device for machine-building Pending CN108436714A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810448964.0A CN108436714A (en) 2018-05-11 2018-05-11 A kind of fast polishing grinding device for machine-building

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Application Number Priority Date Filing Date Title
CN201810448964.0A CN108436714A (en) 2018-05-11 2018-05-11 A kind of fast polishing grinding device for machine-building

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109333196A (en) * 2018-10-17 2019-02-15 湖州华豪机械有限公司 A kind of grinding device for machining
CN110919536A (en) * 2019-11-21 2020-03-27 广州欧特士传动设备有限公司 Detection device for grinding device convenient to it is fixed
CN111633499A (en) * 2020-06-15 2020-09-08 陈斌武 Polishing device for crystal processing
CN112059774A (en) * 2020-09-29 2020-12-11 李瑞娟 Protection device for polishing of polishing machine

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CN102528630A (en) * 2011-12-28 2012-07-04 深圳市宝福珠宝首饰有限公司 Polishing device for plate-type precious metal ornament
CN203266332U (en) * 2013-05-12 2013-11-06 河南黄河旋风股份有限公司 PCD compact chamfering machine of water cooling device
KR20150062292A (en) * 2013-11-29 2015-06-08 승현창 An apparatus for polishing lug hole
CN206230350U (en) * 2016-11-18 2017-06-09 泉州市龙行贸易有限公司 A kind of stone carving processes multi-angle sander
CN206605315U (en) * 2017-01-18 2017-11-03 东莞市善工机械设备有限公司 A kind of hardware housing automatically grinding carves milling equipment
CN206614375U (en) * 2017-04-18 2017-11-07 浙江农业商贸职业学院 A kind of automobile case polishing machine for stablizing polishing
CN207092642U (en) * 2017-07-25 2018-03-13 陕西隆翔停车设备集团有限公司 A kind of lowering or hoisting gear
CN207293377U (en) * 2017-08-17 2018-05-01 无锡市赛博机电有限公司 Self-driven rolling wheel guide rails trolley

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102528630A (en) * 2011-12-28 2012-07-04 深圳市宝福珠宝首饰有限公司 Polishing device for plate-type precious metal ornament
CN203266332U (en) * 2013-05-12 2013-11-06 河南黄河旋风股份有限公司 PCD compact chamfering machine of water cooling device
KR20150062292A (en) * 2013-11-29 2015-06-08 승현창 An apparatus for polishing lug hole
CN206230350U (en) * 2016-11-18 2017-06-09 泉州市龙行贸易有限公司 A kind of stone carving processes multi-angle sander
CN206605315U (en) * 2017-01-18 2017-11-03 东莞市善工机械设备有限公司 A kind of hardware housing automatically grinding carves milling equipment
CN206614375U (en) * 2017-04-18 2017-11-07 浙江农业商贸职业学院 A kind of automobile case polishing machine for stablizing polishing
CN207092642U (en) * 2017-07-25 2018-03-13 陕西隆翔停车设备集团有限公司 A kind of lowering or hoisting gear
CN207293377U (en) * 2017-08-17 2018-05-01 无锡市赛博机电有限公司 Self-driven rolling wheel guide rails trolley

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109333196A (en) * 2018-10-17 2019-02-15 湖州华豪机械有限公司 A kind of grinding device for machining
CN110919536A (en) * 2019-11-21 2020-03-27 广州欧特士传动设备有限公司 Detection device for grinding device convenient to it is fixed
CN111633499A (en) * 2020-06-15 2020-09-08 陈斌武 Polishing device for crystal processing
CN112059774A (en) * 2020-09-29 2020-12-11 李瑞娟 Protection device for polishing of polishing machine

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Application publication date: 20180824

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