CN108789059A - A kind of hard alloy cutter production burnishing device with cleaning function - Google Patents

A kind of hard alloy cutter production burnishing device with cleaning function Download PDF

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Publication number
CN108789059A
CN108789059A CN201810899386.2A CN201810899386A CN108789059A CN 108789059 A CN108789059 A CN 108789059A CN 201810899386 A CN201810899386 A CN 201810899386A CN 108789059 A CN108789059 A CN 108789059A
Authority
CN
China
Prior art keywords
burnishing device
hard alloy
cleaning function
alloy cutter
driving wheel
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Withdrawn
Application number
CN201810899386.2A
Other languages
Chinese (zh)
Inventor
孙振忠
罗卫强
卢秉恒
楚豫川
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.)
Dongguan University of Technology
Guangdong Evenwin Precision Technology Co Ltd
Original Assignee
Dongguan University of Technology
Guangdong Evenwin Precision 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 Dongguan University of Technology, Guangdong Evenwin Precision Technology Co Ltd filed Critical Dongguan University of Technology
Priority to CN201810899386.2A priority Critical patent/CN108789059A/en
Publication of CN108789059A publication Critical patent/CN108789059A/en
Withdrawn legal-status Critical Current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
    • B24B21/00Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/006Machines or devices using grinding or polishing belts; Accessories therefor for special purposes, e.g. for television tubes, car bumpers
    • 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
    • B24B21/00Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/18Accessories
    • 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
    • B24B55/06Dust extraction equipment on grinding or polishing machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The invention discloses a kind of hard alloy cutter production burnishing device with cleaning function,Including firm banking,Clamping fixture table and hanging plate,It is provided with universal wheel below the firm banking,And load-bearing bases are provided with above firm banking,The load-bearing bases are fixedly arranged above operation base station,And the top left and right ends for operating base station are both provided with Pressure Block,The Pressure Block is fixedly arranged above lifting gear,It is provided with fixed plate above the clamping fixture table,The hard alloy cutter production burnishing device with cleaning function,Compared with existing common burnishing device,The performance of whole device is substantially increased while increasing structure,Make the fixed equipment for having to cutter inside the device,It needs user to hold cutter during use to polish to it,And the device has autonomous cleaning capacity in bruting process,To keep the working environment of user,The effective use demand for meeting people.

Description

A kind of hard alloy cutter production burnishing device with cleaning function
Technical field
The present invention relates to hard alloy cutter production technical field, specially a kind of carbide cutter tool with cleaning function Has production burnishing device.
Background technology
Hard alloy is hard compounds and binding metal one kind made of powder metallurgical technique of refractory metal Alloy material, hard alloy have a series of excellent performances such as hardness is high, wear-resisting, intensity and toughness are preferable, heat-resisting, corrosion-resistant, Especially its high rigidity and wearability is held essentially constant at a temperature of 500 DEG C, still has at 1000 DEG C very high Hardness, hard alloy is widely used as cutter material, such as lathe tool, milling cutter, planing tool, drill bit, boring cutter, for cutting cast iron, has Non-ferrous metal, plastics, chemical fibre, graphite, glass, stone material and common iron, can also be used to cutting heat resisting steel, stainless steel, potassium steel, The difficult to machine materials such as tool steel, hard alloy cutter length using process after can to tool surface be polished polishing behaviour Make, polishing refers to so that workpiece surface roughness is reduced using the effect of machinery, chemistry or electrochemistry, to obtain bright, smooth table The processing method in face is processed to the modification that workpiece surface carries out using polishing tool and abrasive grain or other polishing mediums.
General burnishing device structure is relatively simple, and majority needs the hand-held cutter of user to carry out it in use Polishing has some potential safety problems, and existing burnishing device does not have autonomous cleaning capacity in bruting process, to Lead to the severe of processing environment, be not well positioned to meet the use demand of people, for the above situation, in existing burnishing device On the basis of carry out technological innovation.
Invention content
The purpose of the present invention is to provide a kind of hard alloy cutter production burnishing device with cleaning function, with solution It is proposed that general burnishing device structure is relatively simple in certainly above-mentioned background technology, majority needs user hand-held in use Cutter polishes to it, has some potential safety problems, and existing burnishing device does not have independently in bruting process Cleaning capacity is not well positioned to meet the use demand problem of people so as to cause the severe of processing environment.
To achieve the above object, the present invention provides the following technical solutions:A kind of hard alloy cutter with cleaning function Production burnishing device, including firm banking, clamping fixture table and hanging plate are provided with universal wheel below the firm banking, and solid Determine to be provided with load-bearing bases above pedestal, the load-bearing bases are fixedly arranged above operation base station, and operate the top of base station Left and right ends are both provided with Pressure Block, and the Pressure Block is fixedly arranged above lifting gear, is provided with above the clamping fixture table Fixed plate, and clamping fixture table is located above the middle part of operation base station, the inside of the fixed plate is respectively arranged with control-rod and screw thread Set, and control-rod is located at the left side of thread bush, the thread bush is internally provided with threaded screw rod, and the left end peace of threaded screw rod Equipped with fixture block, the right end of the threaded screw rod is provided with flexible handle, and fixation is mounted at left and right sides of the upper end of the hanging plate Screw, and hanging plate is located at the top of fixture block.
Preferably, the central axes between the Pressure Block about operation base station are symmetrical, and the rear surface of Pressure Block It is fitted closely between the upper surface of load-bearing bases, and is welding between the upper surface of Pressure Block and the lower end of lifting gear.
Preferably, the lifting gear is internally provided with external loop bar, and the interior lower end of external loop bar is provided with bullet Spring abutment is provided with lifting ratch above the spring base, and lifts and be fixed with control gear, the control tooth on the right side of ratch The rear of wheel is connected with movable rocker arm.
Preferably, it is fitted closely between the central axes of the external loop bar, spring base and lifting ratch, and lifts ratch Right end face and control gear between for engaged transmission, and control gear and rotational structure constituted by movable rocker arm.
Preferably, the outer dia of the thread bush and the inner opening diameter of fixed plate are identical, and thread bush and screw thread To be threadedly coupled between lead screw, and it is an integral structure between the left end and fixture block of threaded screw rod.
Preferably, the hanging plate is internally provided with motor, and motor is fixedly arranged at the front end with driving wheel, the active It is connected with abrasive band on the left of wheel, and is provided with driving wheel on the left of abrasive band, top layer pedestal is provided with above the lifting gear, And it is provided with dust storehouse in the middle part of top layer pedestal.
Preferably, it is connected by abrasive band between the driving wheel and driving wheel, and the level height of driving wheel and transmission The level height of wheel is identical.
Preferably, the upper end of the dust storehouse is provided with sealing cover, and shaft is equipped with inside the right end of sealing cover, described It is provided with wind turbine on the left of dust storehouse, and is connected with drainage tube on the left of wind turbine, the lower end of the drainage tube is fixed with inlet scoop.
Preferably, the sealing cover is connected by shaft with the upper end of dust storehouse, and wind turbine by drainage tube respectively with Dust storehouse is connected with inlet scoop, and bending structure is arranged in drainage tube.
Compared with prior art, beneficial effects of the present invention are as follows:
1. by the setting of load-bearing bases, operation base station, Pressure Block and lifting gear, load-bearing bases and operation base station can be to be somebody's turn to do The whole superstructure of device provides stable support fixed operation, and Pressure Block can keep lifting gear using process In degree of stability, and by lifting gear may be implemented top polishing structure level height adjust.
2. by lifting gear, external loop bar, spring base, lifting ratch, the setting for controlling gear and movable rocker arm, rely on The rotation of movable rocker arm makes to carry out gear engaged transmission operation between control gear and lifting ratch, to by lifting ratch branch Support top mechanism carries out the adjusting in level height, keeps the device to can be adapted for the cutter of various different sizes, increases The applicable surface of the burnishing device.
3. by the setting of fixed plate, thread bush, threaded screw rod and fixture block, the screw thread between threaded screw rod and thread bush connects The manipulation that may be implemented to fixture block position is connect, clamping fixed operation is carried out to hard alloy cutter by 2 fixture blocks, to avoid Original hand-held polishing operation, greatly reduces the security risk in operating process.
4. by the setting of hanging plate, motor, driving wheel, abrasive band, driving wheel, top layer pedestal and dust storehouse, motor is logical The cooperation crossed between driving wheel and driving wheel drives abrasive band movement, is formed and is operated to the sanding and polishing of cutter, structure of entirely polishing Height adjusting can be carried out, and the manufacture craft in abrasive band is simple, use cost is relatively low.
5. generated in polishing process by dust storehouse, sealing cover, shaft, wind turbine, drainage tube and the setting of inlet scoop Dust can carry out centralized processing operation by the cooperation between wind turbine and drainage tube, and whole device is made to have in use Cleaning capacity, and the sealing cover above dust storehouse can keep the leakproofness inside dust storehouse.
Description of the drawings
Fig. 1 is main view complete section structural schematic diagram of the present invention.
Fig. 2 is main view external structure schematic diagram of the present invention.
Fig. 3 is side structure schematic view of the present invention.
Fig. 4 is lifting device structure schematic diagram of the present invention.
Fig. 5 is partial enlargement structural representation at A of the present invention.
In figure:1, firm banking;2, universal wheel;3, load-bearing bases;4, base station is operated;5, Pressure Block;6, lifting gear; 601, external loop bar;602, spring base;603, ratch is lifted;604, gear is controlled;605, movable rocker arm;7, clamping fixture table;8, solid Fixed board;9, control-rod;10, thread bush;11, threaded screw rod;12, fixture block;13, flexible handle;14, hanging plate;15, fixed screw; 16, motor;17, driving wheel;18, abrasive band;19, driving wheel;20, top layer pedestal;21, dust storehouse;22, sealing cover;23, turn Axis;24, wind turbine;25, drainage tube;26, inlet scoop.
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, 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.
- 5 are please referred to Fig.1, the present invention provides a kind of technical solution:A kind of hard alloy cutter production with cleaning function The lower section of burnishing device, including firm banking 1, clamping fixture table 7 and hanging plate 14, firm banking 1 is provided with universal wheel 2, and fixed The top of pedestal 1 is provided with load-bearing bases 3, and load-bearing bases 3 are fixedly arranged above operation base station 4, and the top for operating base station 4 is left Right both ends are both provided with Pressure Block 5, and the central axes between Pressure Block 5 about operation base station 4 are symmetrical, and under Pressure Block 5 Fitted closely between end surfaces and the upper surface of load-bearing bases 3, and the lower end of the upper surface of Pressure Block 5 and lifting gear 6 it Between for welding, by load-bearing bases 3, operate base station 4, Pressure Block 5 and lifting gear 6 setting, load-bearing bases 3 and operation base station 4 can provide stable support fixed operation for the whole superstructure of the device, and Pressure Block 5 can keep lifting gear 6 degree of stability in use, and the level height adjusting that top polishes structure may be implemented by lifting gear 6, Pressure Block 5 is fixedly arranged above lifting gear 6, and lifting gear 6 is internally provided with external loop bar 601, and external loop bar 601 Interior lower end is provided with spring base 602, and the top of spring base 602 is provided with lifting ratch 603, and lifts the right side of ratch 603 Be fixed with control gear 604, the rear of control gear 604 is connected with movable rocker arm 605, external loop bar 601, spring base 602 with And fitted closely between the central axes of lifting ratch 603, and lift between the right end face of ratch 603 and control gear 604 and be Engaged transmission, and control gear 604 and rotational structure is constituted by movable rocker arm 605, pass through lifting gear 6, external loop bar 601, spring base 602, lifting ratch 603, the setting for controlling gear 604 and movable rocker arm 605, by the rotation of movable rocker arm 605 Turn to make to carry out gear engaged transmission operation between control gear 604 and lifting ratch 603, to support by lifting ratch 603 Top mechanism carries out the adjusting in level height, keeps the device to can be adapted for the cutter of various different sizes, increases this The top of the applicable surface of burnishing device, clamping fixture table 7 is provided with fixed plate 8, and clamping fixture table 7 is located above the middle part of operation base station 4, The inside of fixed plate 8 is respectively arranged with control-rod 9 and thread bush 10, and control-rod 9 is located at the left side of thread bush 10, thread bush 10 Be internally provided with threaded screw rod 11, and the left end of threaded screw rod 11 is equipped with fixture block 12, the outer dia of thread bush 10 with it is solid The inner opening diameter of fixed board 8 is identical, and to be threadedly coupled between thread bush 10 and threaded screw rod 11, and threaded screw rod 11 It is an integral structure between left end and fixture block 12, passes through fixed plate 8, the setting of thread bush 10, threaded screw rod 11 and fixture block 12, spiral shell The manipulation to 12 position of fixture block may be implemented in being threadedly coupled between line lead screw 11 and thread bush 10, by 2 fixture blocks 12 to hard Matter alloy cutter carries out clamping fixed operation and is greatly reduced in operating process so as to avoid original hand-held polishing operation Security risk, the right end of threaded screw rod 11 is provided with flexible handle 13, fixation is mounted at left and right sides of the upper end of hanging plate 14 Screw 15, and hanging plate 14 is located at the top of fixture block 12, hanging plate 14 is internally provided with motor 16, and the front end of motor 16 is solid Surely there is driving wheel 17, the left side of driving wheel 17 is connected with abrasive band 18, and the left side in abrasive band 18 is provided with driving wheel 19, lifting gear 6 top is provided with top layer pedestal 20, and the middle part of top layer pedestal 20 is provided with dust storehouse 21, driving wheel 17 and driving wheel 19 it Between be connected by abrasive band 18, and the level height of driving wheel 17 is identical as the level height of driving wheel 19, passes through hanging plate 14, electricity The setting of motivation 16, driving wheel 17, abrasive band 18, driving wheel 19, top layer pedestal 20 and dust storehouse 21, motor 16 pass through driving wheel Cooperation between 17 and driving wheel 19 drives abrasive band 18 to move, and is formed and is operated to the sanding and polishing of cutter, entirely polishing structure can To carry out height adjusting, and the manufacture craft in abrasive band 18 is simple, and use cost is relatively low, and the upper end of dust storehouse 21 is provided with sealing Lid 22, and shaft 23 is installed inside the right end of sealing cover 22, the left side of dust storehouse 21 is provided with wind turbine 24, and a left side for wind turbine 24 Side is connected with drainage tube 25, and the lower end of drainage tube 25 is fixed with inlet scoop 26, and sealing cover 22 passes through shaft 23 and dust storehouse 21 Upper end is connected, and wind turbine 24 is connected with dust storehouse 21 and inlet scoop 26 respectively by drainage tube 25, and drainage tube 25 is set Bending structure is set, by the setting of dust storehouse 21, sealing cover 22, shaft 23, wind turbine 24, drainage tube 25 and inlet scoop 26, is thrown Generated dust can carry out centralized processing operation by the cooperation between wind turbine 24 and drainage tube 25 in photoreduction process, make entire Device has cleaning capacity in use, and the sealing cover 22 of 21 top of dust storehouse can be kept inside dust storehouse 21 Leakproofness.
Operation principle:When using the hard alloy cutter production burnishing device with cleaning function, the dress first It is self-contained production to set in production, therefore using preceding, without carrying out installation and debugging operation to it, when use will need the knife polished Tool is positioned between fixture block 12, and operant activity handle 13 makes threaded screw rod 11 rotate, by threaded screw rod 11 and thread bush 10 it Between threaded connection the manipulation to 12 position of fixture block may be implemented, it is solid to carry out clamping to hard alloy cutter by 2 fixture blocks 12 Secondly fixed operation starts motor 16 and passes through 19 band of driving wheel 17 and driving wheel so as to avoid original hand-held polishing operation The movement in dynamic abrasive band 18, while starting wind turbine 24, the rotation of control gear 604 is driven by rotary moveable rocking arm 605, makes control Gear engaged transmission operation is carried out between gear 604 and lifting ratch 603, to by lifting the support of ratch 603 top mechanism The adjusting in level height is carried out, keeps the device to can be adapted for the cutter of various different sizes, increases the burnishing device Applicable surface, generated dust can be focused on by the cooperation between wind turbine 24 and drainage tube 25 in polishing process Operation makes whole device have cleaning capacity in use, hard alloy cutter life with cleaning function that here it is this The operation principle of production burnishing device.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace And modification, the scope of the present invention is defined by the appended.

Claims (9)

1. a kind of hard alloy cutter production burnishing device with cleaning function, including firm banking(1), clamping fixture table(7) And hanging plate(14), it is characterised in that:The firm banking(1)Lower section be provided with universal wheel(2), and firm banking(1)It is upper Side is provided with load-bearing bases(3), the load-bearing bases(3)Be fixedly arranged above operation base station(4), and operate base station(4)It is upper Square left and right ends are both provided with Pressure Block(5), the Pressure Block(5)Be fixedly arranged above lifting gear(6), the clamping fixture table (7)Top be provided with fixed plate(8), and clamping fixture table(7)Positioned at operation base station(4)Middle part above, the fixed plate(8)'s Inside is respectively arranged with control-rod(9)And thread bush(10), and control-rod(9)Positioned at thread bush(10)Left side, the screw thread Set(10)Be internally provided with threaded screw rod(11), and threaded screw rod(11)Left end fixture block is installed(12), the screw thread silk Bar(11)Right end be provided with flexible handle(13), the hanging plate(14)Upper end at left and right sides of be mounted on fixed screw (15), and hanging plate(14)Positioned at fixture block(12)Top.
2. a kind of hard alloy cutter production burnishing device with cleaning function according to claim 1, feature It is:The Pressure Block(5)Between about operation base station(4)Central axes it is symmetrical, and Pressure Block(5)Rear surface with Load-bearing bases(3)Upper surface between fit closely, and Pressure Block(5)Upper surface and lifting gear(6)Lower end between For welding.
3. a kind of hard alloy cutter production burnishing device with cleaning function according to claim 1, feature It is:The lifting gear(6)Be internally provided with external loop bar(601), and external loop bar(601)Interior lower end be provided with Spring base(602), the spring base(602)Top be provided with lifting ratch(603), and lift ratch(603)Right side it is solid Surely there is control gear(604), the control gear(604)Rear be connected with movable rocker arm(605).
4. a kind of hard alloy cutter production burnishing device with cleaning function according to claim 3, feature It is:The external loop bar(601), spring base(602)And lifting ratch(603)Central axes between fit closely, and rise Ratch drops(603)Right end face with control gear(604)Between for engaged transmission, and control gear(604)Pass through activity Rocking arm(605)Constitute rotational structure.
5. a kind of hard alloy cutter production burnishing device with cleaning function according to claim 1, feature It is:The thread bush(10)Outer dia and fixed plate(8)Inner opening diameter it is identical, and thread bush(10)With screw thread Lead screw(11)Between to be threadedly coupled, and threaded screw rod(11)Left end and fixture block(12)Between be an integral structure.
6. a kind of hard alloy cutter production burnishing device with cleaning function according to claim 1, feature It is:The hanging plate(14)Be internally provided with motor(16), and motor(16)Be fixedly arranged at the front end with driving wheel(17), institute State driving wheel(17)Left side be connected with abrasive band(18), and abrasive band(18)Left side be provided with driving wheel(19), the lifting dress It sets(6)Top be provided with top layer pedestal(20), and top layer pedestal(20)Middle part be provided with dust storehouse(21).
7. a kind of hard alloy cutter production burnishing device with cleaning function according to claim 1, feature It is:The driving wheel(17)With driving wheel(19)Between pass through abrasive band(18)It is connected, and driving wheel(17)Level height With driving wheel(19)Level height it is identical.
8. a kind of hard alloy cutter production burnishing device with cleaning function according to claim 1, feature It is:The dust storehouse(21)Upper end be provided with sealing cover(22), and sealing cover(22)Right end inside shaft is installed (23), the dust storehouse(21)Left side be provided with wind turbine(24), and wind turbine(24)Left side be connected with drainage tube(25), described Drainage tube(25)Lower end be fixed with inlet scoop(26).
9. a kind of hard alloy cutter production burnishing device with cleaning function according to claim 1, feature It is:The sealing cover(22)Pass through shaft(23)With dust storehouse(21)Upper end be connected, and wind turbine(24)Pass through drainage tube (25)Respectively with dust storehouse(21)The inlet scoop and(26)It is connected, and drainage tube(25)Bending structure is set.
CN201810899386.2A 2018-08-09 2018-08-09 A kind of hard alloy cutter production burnishing device with cleaning function Withdrawn CN108789059A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810899386.2A CN108789059A (en) 2018-08-09 2018-08-09 A kind of hard alloy cutter production burnishing device with cleaning function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810899386.2A CN108789059A (en) 2018-08-09 2018-08-09 A kind of hard alloy cutter production burnishing device with cleaning function

Publications (1)

Publication Number Publication Date
CN108789059A true CN108789059A (en) 2018-11-13

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Application Number Title Priority Date Filing Date
CN201810899386.2A Withdrawn CN108789059A (en) 2018-08-09 2018-08-09 A kind of hard alloy cutter production burnishing device with cleaning function

Country Status (1)

Country Link
CN (1) CN108789059A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110193773A (en) * 2019-06-21 2019-09-03 上海程禾饰品有限公司 A kind of protection type polishing machine of the polishing process for finishing department
CN112454096A (en) * 2020-11-26 2021-03-09 德清县益明机械配件有限公司 Machine part processing equipment of polishing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110193773A (en) * 2019-06-21 2019-09-03 上海程禾饰品有限公司 A kind of protection type polishing machine of the polishing process for finishing department
CN112454096A (en) * 2020-11-26 2021-03-09 德清县益明机械配件有限公司 Machine part processing equipment of polishing

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Application publication date: 20181113