CN108406488A - A kind of Hardware fitting grinding device - Google Patents

A kind of Hardware fitting grinding device Download PDF

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Publication number
CN108406488A
CN108406488A CN201810391703.XA CN201810391703A CN108406488A CN 108406488 A CN108406488 A CN 108406488A CN 201810391703 A CN201810391703 A CN 201810391703A CN 108406488 A CN108406488 A CN 108406488A
Authority
CN
China
Prior art keywords
wall
hardware fitting
grinding device
fixedly connected
sliding block
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Withdrawn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
CN201810391703.XA
Other languages
Chinese (zh)
Inventor
朱娜
其他发明人请求不公开姓名
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.)
Huzhou Ji An Machinery Co Ltd
Original Assignee
Huzhou Ji An Machinery 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 Huzhou Ji An Machinery Co Ltd filed Critical Huzhou Ji An Machinery Co Ltd
Priority to CN201810391703.XA priority Critical patent/CN108406488A/en
Publication of CN108406488A publication Critical patent/CN108406488A/en
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • 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
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/20Drives or gearings; Equipment therefor relating to feed movement
    • B24B47/203Drives or gearings; Equipment therefor relating to feed movement driven by hand
    • 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
    • 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 a kind of Hardware fitting grinding devices, a kind of Hardware fitting grinding device, including workbench, the first dust cover is covered in the middle part of the workbench, position in the middle part of the first dust cover intracavitary is equipped with grinding device, the upper end of the grinding device is equipped with draw runner, outer wall on the right side of the draw runner is arranged with the first sliding block, the lower end of first sliding block is fixed with spur rack, it is arranged with the second sliding block in the middle part of the spur rack outer wall, the outer wall of second sliding block is fixed with movable frame, it is fixed with driving motor on the left of the movable frame outer wall, the lower end of the driving motor outer wall is rotatably connected to polishing pad by shaft, the outside mask of the polishing pad is equipped with the second dust cover, the middle part of the worktable upper surface is equipped with Hardware fitting clamping device, the present invention relates to Hardware fitting grinding technology fields.The Hardware fitting grinding device has achieved the purpose that polish good effect, good fixing effect, dedusting, improves the efficiency of Hardware fitting polishing.

Description

A kind of Hardware fitting grinding device
Technical field
The present invention relates to Hardware fitting grinding technology field, specially a kind of Hardware fitting grinding device.
Background technology
Hardware refers to five kinds of gold, silver, copper, iron, tin metals.The arts work such as knife, sword or metal device can be made through artificial Part.The hardware of modern society is more extensive, such as hardware tool, hardware parts, haberdashery and hardware, architectural hardware and security protection are used Product etc..History comes into modern industrial society, and hardware industry is even more to grow rapidly, and hardware industry rises in the national economic development Immeasurable effect has been arrived, hardware also becomes industry and manufactures an indispensable industry link, but as industry Auxiliary products, semi-finished product and production process used tool of manufacture etc..Only sub-fraction haberdashery and hardware product is people It lives the necessary tool-class consumer goods.
It usually needs to polish to Hardware fitting in Hardware fitting process, to remove the hair on Hardware fitting Thorn and indentation.But the contact area of the grinding head on grinding device and workpiece is small at present, is susceptible to and beats in bruting process Halfway phenomenon is ground, polishing is of poor quality, and grinding efficiency is low, time-consuming and laborious.The insufficient strength of some Hardware fitting materials is easy The fixed effect of torsional deformation, clamping device is poor, and Hardware fitting easily slides and is easy to hurt sb.'s feelings when manual polishing, and security performance is low Disadvantage causes Hardware fitting larger using error.Moreover, will produce certain dust and metal fragment when polishing, powder can be caused Dustiness contaminates, and can also influence polishing precision next time.
Invention content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of Hardware fitting grinding device, solve polishing effect it is poor, The problem of fixed effect is poor, dedusting.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs:A kind of Hardware fitting grinding device, packet Workbench is included, the position in the middle part of the workbench outer wall is covered with the first dust cover, the position in the middle part of the first dust cover intracavitary It installs and is equipped with grinding device, the upper end of the grinding device is provided with draw runner, and the outer wall on the right side of the draw runner is arranged with the first cunning Block, first sliding block are slidably connected with draw runner, and the lower end of first sliding block is fixedly connected with spur rack, outside the spur rack Positional symmetry in the middle part of wall is arranged with the second sliding block, and second sliding block is slidably connected with spur rack, outside second sliding block Wall is fixedly connected with movable frame, and gear is provided on the right side of movable frame inner wall bottom end, and the gear engages company with spur rack It connects, driving motor is fixedly connected on the left of the movable frame outer wall, the lower end of the driving motor outer wall is rotatably connected to The lower end of axis, the shaft is fixedly connected with polishing pad, and the outside mask of the polishing pad is equipped with the second dust cover, the workbench The position of upper surface middle part is provided with Hardware fitting clamping device, the inside of the Hardware fitting clamping device open up it is fluted, The upper and lower ends of the groove inner wall have been fixedly connected with the first spring, and the described one end of first spring far from groove inner wall is fixed It is connected with the first buffer board, the left and right ends of the groove inner wall have been fixedly connected with second spring, and the second spring is separate One end of groove inner wall is fixedly connected with the second buffer board, the upper surface of the workbench and is carried on the back positioned at Hardware fitting clamping device The position in face offers ash-collecting port.
Preferably, the left and right ends of the draw runner are fixedly connected by fixed block with the top of the first dust cover inner wall.
Preferably, handle, the lower end setting of the driving motor outer wall are fixedly connected on the right side of the movable frame outer wall There is start button.
Preferably, the outer wall of first dust cover and the outer wall of the second dust cover are enclosed with deadening felt.
Preferably, the lower end of the ash-collecting port is communicated with wind turbine, and the bottom end of the workbench inner wall is provided with water tank, described The lower end of wind turbine is connected to by tracheae with water tank.
Preferably, the upper end of the tank inner wall is provided with baffle, and the inner homogeneous of the baffle offers stomata, described The right end of water tank upper surface offers exhaust outlet.
(3) advantageous effect
The present invention provides a kind of Hardware fitting grinding devices.Has following advantageous effect:
(1), the Hardware fitting grinding device, Hardware fitting is put into the groove of Hardware fitting clamping device, hardware is matched Part contacts and squeezes the first buffer board and the second buffer board, and the first buffer board and the second buffer board squeeze the first spring and the second bullet Elastic force is generated after spring, the first spring and second spring compression, Hardware fitting is acted on and is fixedly clamped, buffer board and spring It can also play the role of bumper and absorbing shock in polishing, after fixing Hardware fitting, hand-held handle moves down, in the effect of gear Under, movable frame drives driving motor smoothly to move down, and when dropping to the upper end of Hardware fitting, hand-held handle moves left and right, First sliding block drives movable frame to move left and right by spur rack, so that polishing pad is contacted with Hardware fitting, presses start button, drives Motor drives polishing pad rotation to polish Hardware fitting, in bruting process, by the slow mobile polishing pad of handle or so, makes Polishing pad comes into full contact with Hardware fitting surface, and grinding homogeneity, after polishing, by handle and gearing can easily by Grinding device moves up, time saving and energy saving, and evenly, having achieved the purpose that polish, effect is good, good fixing effect, improves for polishing The efficiency of Hardware fitting polishing.
(2), the Hardware fitting grinding device injects suitable quantity of water into water tank before polishing, the first dust cover prevent dust with Metal fragment disperses everywhere, and the second dust cover prevents dust and metal fragment splashing when polishing from staff is interfered and being hindered Evil, the safety of safeguard work personnel in the grinding device course of work, open wind turbine, the dust and metal fragment that when polishing is formed It falls into ash-collecting port, dust and metal fragment are collected by wind turbine by ash-collecting port, are passed into water tank by tracheae, dust It is dissolved in water, baffle stays in metal fragment in water tank, filters the air after dust and passes through baffle, is arranged finally by exhaust outlet Go out, after use, the sewage in water tank is outwelled, achieved the purpose that dedusting, reduces dust pollution, improve work Safety.
Description of the drawings
Fig. 1 is the Hardware fitting grinding device structural schematic diagram of the present invention;
Fig. 2 is the grinding device structural schematic diagram of the present invention;
Fig. 3 is the Hardware fitting clamping device structural schematic diagram of the present invention.
In figure:1 workbench, 2 first dust covers, 3 grinding devices, 4 draw runners, 5 first sliding blocks, 6 spur racks, 7 second sliding blocks, It is 8 movable frames, 9 gears, 10 driving motors, 11 shafts, 12 polishing pads, 13 second dust covers, 14 Hardware fitting clamping devices, 15 recessed Slot, 16 first springs, 17 first buffer boards, 18 second springs, 19 second buffer boards, 20 ash-collecting ports, 21 handles, 22, which start, presses Button, 23 wind turbines, 24 water tanks, 25 baffles.
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.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution:A kind of Hardware fitting grinding device, including workbench 1, Position in the middle part of 1 outer wall of workbench is covered with the first dust cover 2, and the position in the middle part of 2 intracavitary of the first dust cover is provided with polishing dress 3 are set, the upper end of grinding device 3 is provided with draw runner 4, and the outer wall on 4 right side of draw runner is arranged with the first sliding block 5, the first sliding block 5 and draw runner 4 are slidably connected, and the lower end of the first sliding block 5 is fixedly connected with spur rack 6, and the positional symmetry in the middle part of 6 outer wall of spur rack is arranged with Two sliding blocks 7, the second sliding block 7 are slidably connected with spur rack 6, and the outer wall of the second sliding block 7 is fixedly connected with movable frame 8, in movable frame 8 Gear 9 is provided on the right side of wall bottom end, gear 9 engages connection with spur rack 6, drive is fixedly connected on the left of 8 outer wall of movable frame Dynamic motor 10, the lower end of 10 outer wall of driving motor are rotatably connected to shaft 11, and the lower end of shaft 11 is fixedly connected with polishing pad 12, The outside mask of polishing pad 12 is equipped with the second dust cover 13, and the position of 1 upper surface middle part of workbench is provided with Hardware fitting and clamps dress 14 are set, the inside of Hardware fitting clamping device 14 opens up fluted 15, and the upper and lower ends of 15 inner wall of groove have been fixedly connected with One spring 16, the one end of the first spring 16 far from 15 inner wall of groove are fixedly connected with the first buffer board 17, a left side for 15 inner wall of groove Right both ends have been fixedly connected with second spring 18, and the one end of second spring 18 far from 15 inner wall of groove is fixedly connected with the second buffering Plate 19, the upper surface of workbench 1 and the position for being located at 14 back side of Hardware fitting clamping device offer ash-collecting port 20.
The left and right ends of draw runner 4 are fixedly connected by fixed block with the top of 2 inner wall of the first dust cover.
Handle 21 is fixedly connected on the right side of 8 outer wall of movable frame, the lower end of 10 outer wall of driving motor is provided with start button 22。
The outer wall of the outer wall of first dust cover 2 and the second dust cover 13 is enclosed with deadening felt.
The lower end of ash-collecting port 20 is communicated with wind turbine 23, and the bottom end of 1 inner wall of workbench is provided with water tank 24, the lower end of wind turbine 23 It is connected to water tank 24 by tracheae.
The upper end of 24 inner wall of water tank is provided with baffle 25, and the inner homogeneous of baffle 25 offers stomata, 24 upper surface of water tank Right end offer exhaust outlet.
In use, Hardware fitting is put into the groove 15 of Hardware fitting clamping device 14, Hardware fitting is contacted and is squeezed First buffer board 17 and the second buffer board 19, the first buffer board 17 and the second buffer board 19 squeeze the first spring 16 and second spring 18, elastic force is generated after the first spring 16 and the compression of second spring 18, Hardware fitting is acted on and is fixedly clamped, buffer board 17 It can also play the role of bumper and absorbing shock in polishing with spring, after fixing Hardware fitting, hand-held handle moves down, in gear Under the action of 9, movable frame 8 drives driving motor 10 smoothly to move down, and when dropping to the upper end of Hardware fitting, holds handle It moves left and right, the first sliding block 5 drives movable frame 8 to move left and right by spur rack 6, so that polishing pad 12 is contacted with Hardware fitting, presses Lower start button 22, driving motor drives the rotation of polishing pad 12 to polish Hardware fitting, in bruting process, passes through a handle left side Right slowly mobile polishing pad 12, makes polishing pad 12 be come into full contact with Hardware fitting surface, and grinding homogeneity, after polishing, leads to Can easily grinding device 3 be moved up by crossing handle and the effect of gear 9, and time saving and energy saving, polishing is evenly;
Suitable quantity of water is injected into water tank 24 before polishing, the first dust cover 2 prevents dust and metal fragment from dispersing everywhere, and second Dust cover 13 prevents dust and metal fragment splashing when polishing from staff is interfered and being injured, the peace of safeguard work personnel Entirely, in 3 course of work of grinding device, wind turbine 23 is opened, the dust and metal fragment that when polishing is formed are fallen into ash-collecting port 20, wind Dust and metal fragment are collected by machine 23 by ash-collecting port 20, are passed into water tank 24 by tracheae, dust is dissolved in water In, baffle 25 stays in metal fragment in water tank 24, filters the air after dust and passes through baffle 25, is arranged finally by exhaust outlet Go out, after use, the sewage in water tank 24 is outwelled.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions.By sentence " including one ... the element limited, it is not excluded that There is also other identical elements in the process, method, article or apparatus that includes the element ".
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 (6)

1. a kind of Hardware fitting grinding device, including workbench (1), it is characterised in that:Position in the middle part of workbench (1) outer wall It sets and is covered with the first dust cover (2), the position in the middle part of the first dust cover (2) intracavitary is provided with grinding device (3), described to beat The upper end of mill apparatus (3) is provided with draw runner (4), and the outer wall on the right side of the draw runner (4) is arranged with the first sliding block (5), and described first Sliding block (5) is slidably connected with draw runner (4), and the lower end of first sliding block (5) is fixedly connected with spur rack (6), the spur rack (6) positional symmetry in the middle part of outer wall is arranged with the second sliding block (7), and second sliding block (7) is slidably connected with spur rack (6), institute The outer wall for stating the second sliding block (7) is fixedly connected with movable frame (8), and gear is provided on the right side of movable frame (8) the inner wall bottom end (9), the gear (9) engages connection with spur rack (6), and driving motor is fixedly connected on the left of movable frame (8) outer wall (10), the lower end of driving motor (10) outer wall is rotatably connected to shaft (11), and the lower end of the shaft (11) is fixedly connected There are polishing pad (12), the outside mask of the polishing pad (12) to be equipped with the second dust cover (13), workbench (1) upper surface middle part Position be provided with Hardware fitting clamping device (14), the inside of the Hardware fitting clamping device (14) opens up fluted (15), the upper and lower ends of groove (15) inner wall have been fixedly connected with the first spring (16), and first spring (16) is separate One end of groove (15) inner wall is fixedly connected with the first buffer board (17), and the left and right ends of groove (15) inner wall are fixed to be connected It is connected to second spring (18), the one end of the second spring (18) far from groove (15) inner wall is fixedly connected with the second buffer board (19), the upper surface of the workbench (1) and ash-collecting port is offered positioned at the position at Hardware fitting clamping device (14) back side (20)。
2. a kind of Hardware fitting grinding device according to claim 1, it is characterised in that:The left and right ends of the draw runner (4) It is fixedly connected with the top of the first dust cover (2) inner wall by fixed block.
3. a kind of Hardware fitting grinding device according to claim 1, it is characterised in that:The right side of movable frame (8) outer wall Side is fixedly connected with handle (21), and the lower end of driving motor (10) outer wall is provided with start button (22).
4. a kind of Hardware fitting grinding device according to claim 1, it is characterised in that:Outside first dust cover (2) The outer wall of wall and the second dust cover (13) is enclosed with deadening felt.
5. a kind of Hardware fitting grinding device according to claim 1, it is characterised in that:The lower end of the ash-collecting port (20) connects It is connected with wind turbine (23), the bottom end of workbench (1) inner wall is provided with water tank (24), and the lower end of the wind turbine (23) passes through tracheae It is connected to water tank (24).
6. a kind of Hardware fitting grinding device according to claim 5, it is characterised in that:The upper end of water tank (24) inner wall It is provided with baffle (25), the inner homogeneous of the baffle (25) offers stomata, and the right end of water tank (24) upper surface opens up There is exhaust outlet.
CN201810391703.XA 2018-04-27 2018-04-27 A kind of Hardware fitting grinding device Withdrawn CN108406488A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810391703.XA CN108406488A (en) 2018-04-27 2018-04-27 A kind of Hardware fitting grinding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810391703.XA CN108406488A (en) 2018-04-27 2018-04-27 A kind of Hardware fitting grinding device

Publications (1)

Publication Number Publication Date
CN108406488A true CN108406488A (en) 2018-08-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810391703.XA Withdrawn CN108406488A (en) 2018-04-27 2018-04-27 A kind of Hardware fitting grinding device

Country Status (1)

Country Link
CN (1) CN108406488A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110465849A (en) * 2019-07-22 2019-11-19 李东方 Edging device is used in a kind of machining
CN111300202A (en) * 2020-03-30 2020-06-19 包萨如拉 Metal product polishing system convenient and safe to operate
CN111889645A (en) * 2020-08-10 2020-11-06 惠州市卓创伟业实业有限公司 Processing device is clear away at mouth of a river of die-casting power pack
CN112428119A (en) * 2020-11-20 2021-03-02 湖州琦利智能装备科技有限公司 Steel sheet surface rust cleaning device for building machinery processing
CN112454114A (en) * 2020-11-25 2021-03-09 安徽申禾智能科技有限公司 Hardware fitting polishing device and using method thereof
CN112895568A (en) * 2021-01-19 2021-06-04 李华燕 Many punching press of rotation type piece device for tablet production
CN113478323A (en) * 2021-05-18 2021-10-08 徐开荣 Grinding device is used in hardware fitting production
CN114378671A (en) * 2022-02-16 2022-04-22 深圳市壕润机电设备有限公司 Quick grinding device of hardware fitting deckle edge

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110465849A (en) * 2019-07-22 2019-11-19 李东方 Edging device is used in a kind of machining
CN111300202A (en) * 2020-03-30 2020-06-19 包萨如拉 Metal product polishing system convenient and safe to operate
CN111889645A (en) * 2020-08-10 2020-11-06 惠州市卓创伟业实业有限公司 Processing device is clear away at mouth of a river of die-casting power pack
CN111889645B (en) * 2020-08-10 2022-03-04 惠州市卓创伟业实业有限公司 Processing device is clear away at mouth of a river of die-casting power pack
CN112428119A (en) * 2020-11-20 2021-03-02 湖州琦利智能装备科技有限公司 Steel sheet surface rust cleaning device for building machinery processing
CN112454114A (en) * 2020-11-25 2021-03-09 安徽申禾智能科技有限公司 Hardware fitting polishing device and using method thereof
CN112895568A (en) * 2021-01-19 2021-06-04 李华燕 Many punching press of rotation type piece device for tablet production
CN112895568B (en) * 2021-01-19 2023-04-11 河南中杰药业有限公司 Many punching press of rotation type piece device for tablet production
CN113478323A (en) * 2021-05-18 2021-10-08 徐开荣 Grinding device is used in hardware fitting production
CN114378671A (en) * 2022-02-16 2022-04-22 深圳市壕润机电设备有限公司 Quick grinding device of hardware fitting deckle edge

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Application publication date: 20180817