CN110815017A - Galvanized iron alloy door and window burnishing device - Google Patents

Galvanized iron alloy door and window burnishing device Download PDF

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Publication number
CN110815017A
CN110815017A CN201911144183.3A CN201911144183A CN110815017A CN 110815017 A CN110815017 A CN 110815017A CN 201911144183 A CN201911144183 A CN 201911144183A CN 110815017 A CN110815017 A CN 110815017A
Authority
CN
China
Prior art keywords
polishing
window
door
fixedly connected
motor
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
CN201911144183.3A
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Chinese (zh)
Inventor
文红军
聂美娇
文梦芝
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.)
Hunan Ruitaixin Metal Co Ltd
Original Assignee
Hunan Ruitaixin Metal 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 Hunan Ruitaixin Metal Co Ltd filed Critical Hunan Ruitaixin Metal Co Ltd
Priority to CN201911144183.3A priority Critical patent/CN110815017A/en
Publication of CN110815017A publication Critical patent/CN110815017A/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
    • B24B29/00Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
    • B24B29/02Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02Cleaning by the force of jets, e.g. blowing-out cavities
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • 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
    • 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
    • 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
    • B24B55/12Devices for exhausting mist of oil or coolant; Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like

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

Abstract

The invention discloses a galvanized iron alloy door and window polishing device, which comprises a polishing chamber, wherein a flat plate is arranged in the polishing chamber, two ends of the flat plate are fixedly connected to the inner side wall of the polishing chamber, doors and windows are placed on the flat plate, fixing devices are arranged on two sides of the doors and windows and can fix the doors and windows to prevent the doors and windows from shaking during polishing, a first motor is fixedly connected to the left side wall in the polishing chamber, an output end of the first motor is fixedly connected with a lead screw, a thread-free part at the right end of the lead screw is rotatably connected with a shaft sleeve, the shaft sleeve is fixedly connected to the right side wall in the polishing chamber, a sliding block with a built-in thread is arranged on the lead screw, the sliding block is in threaded connection with the lead screw, a telescopic; through setting up blast apparatus, can blow off the piece that the door and window produced with the wheel of polishing, prevent that the piece from causing the influence to polishing, make the not level and smooth inadequately of door and window polishing.

Description

Galvanized iron alloy door and window burnishing device
Technical Field
The invention relates to the field of galvanized iron alloy door and window processing equipment, in particular to a galvanized iron alloy door and window polishing device.
Background
Polishing refers to a processing method for reducing the roughness of the surface of a workpiece by using mechanical, chemical or electrochemical action to obtain a bright and flat surface, and is a modification processing of the surface of the workpiece by using a polishing tool and abrasive particles or other polishing media; the production process of the galvanized iron alloy frame body of the galvanized iron alloy door and window needs to polish the galvanized iron alloy frame body, so that the surface roughness of the galvanized iron alloy frame body is reduced, and the galvanized iron alloy frame body becomes brighter.
When the existing polishing device is used for polishing doors and windows, the generated fragments are not cleaned, so that the polishing wheels are polished on the fragments, and the surfaces of the doors and windows cannot be polished to be smooth and bright.
Disclosure of Invention
The invention aims to provide a polishing device for a galvanized iron alloy door and window, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a galvanized iron alloy door and window burnishing device, includes the buffing chamber, be provided with the flat board in the buffing chamber, dull and stereotyped both ends fixed connection has placed door and window on the flat board on the indoor lateral wall of buffing, and the door and window both sides are provided with fixing device, fixedly connected with motor one on the indoor left side wall of buffing, motor one output end fixedly connected with lead screw, lead screw right-hand member unthreaded position rotate and are connected with the axle sleeve, and axle sleeve fixed connection is on the indoor right side wall of buffing, be provided with built-in screw thread's slider on the lead screw, slider and lead screw threaded connection, slider lower extreme are provided with the telescopic link, and the lower extreme of telescopic link is provided with motor.
As a further scheme of the invention: the blowing device comprises a fixed rod, the fixed rod is fixedly connected to the side wall of the telescopic rod, a rotating shaft is arranged at the lower end of the fixed rod, the rotating shaft is rotatably connected with a connecting rod, a blower is arranged at the lower end of the connecting rod, and a blower cover is arranged on the blower.
As a still further scheme of the invention: the fixing device comprises a sleeve, a movable rod is arranged in the sleeve in a sliding mode, grooves are evenly formed in the movable rod, clamping columns are arranged in the grooves, the clamping columns penetrate through the side wall of the sleeve and are installed in the grooves, and a clamping block is fixedly connected to the tail end of the movable rod.
As a still further scheme of the invention: the flat plate is provided with a plurality of through holes, the bottom surface of the polishing chamber is provided with a containing box, and the containing box is positioned below the through holes.
As a still further scheme of the invention: the top end of the polishing chamber is provided with a suction fan, and the lower end of the suction fan is provided with a suction hood.
As a still further scheme of the invention: the first motor is a stepping motor.
As a still further scheme of the invention: the number of the through holes is five.
Compared with the prior art, the invention has the beneficial effects that: through the arrangement of the air blowing device, scraps generated by the grinding of the door and window by the grinding wheel can be blown off, so that the influence of the scraps on the grinding is prevented, and the door and window is not smooth enough in polishing; through the arrangement of the screw rod, the sliding block can move left and right on the screw rod, so that the polishing efficiency is improved; by arranging the fixing device, the door and window can be fixed on the flat plate, so that the door and window is prevented from shaking during polishing, and the stability of the door and window is improved; through the arrangement of the containing box, the scraps generated during polishing can be recycled, so that the environmental pollution is prevented; through setting up the suction fan, can absorb the dust in the air, prevent that it from causing air pollution.
Drawings
Fig. 1 is a schematic structural view of a polishing device for a galvanized iron alloy door and window.
Fig. 2 is a schematic structural view of an air blowing device in the polishing device for the galvanized iron alloy door and window.
In the figure: 1-polishing chamber, 2-flat plate, 3-door and window, 4-first motor, 5-screw rod, 6-shaft sleeve, 7-sliding block, 8-telescopic rod, 9-polishing wheel, 10-fixed rod, 11-rotating shaft, 12-connecting rod, 13-blower, 14-air blowing cover, 15-sleeve, 16-movable rod, 17-groove, 18-clamping column, 19-through hole, 20-containing box, 21-suction fan, 22-air suction cover, 23-second motor and 24-clamping block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 and 2, in an embodiment of the present invention, a polishing device for a galvanized iron alloy door and window includes a polishing chamber 1, a flat plate 2 is disposed in the polishing chamber 1, two ends of the flat plate 2 are fixedly connected to an inner side wall of the polishing chamber 1, a door and window 3 is disposed on the flat plate 2, fixing devices are disposed on two sides of the door and window 3, the fixing devices can fix the door and window 3 to prevent the door and window 3 from shaking during polishing, a first motor 4 is fixedly connected to a left side wall in the polishing chamber 1, an output end of the first motor 4 is fixedly connected to a lead screw 5, a non-threaded portion at a right end of the lead screw 5 is rotatably connected to a shaft sleeve 6, the shaft sleeve 6 is fixedly connected to a right side wall in the polishing chamber 1, a slider 7 with a built-in thread is disposed on the lead screw 5, the slider 7 is in threaded connection with the lead screw, the telescopic rod 8 is provided with an air blowing device, the air blowing device can blow air to the place where the door and window 3 is polished by the polishing wheel 9, chips are blown off and can be better polished, the first motor 4 rotates to drive the screw rod 5 to rotate, the sliding block 7 in threaded connection with the screw rod 5 can move left and right on the screw rod to drive the polishing wheel 9 to move left and right, the telescopic rod 8 extends downwards to enable the polishing wheel 9 to contact the door and window 3, the second motor 23 is started to drive the polishing wheel 9 to rotate, and the door and window 3 is polished; the type of the motor one 4 is not limited, and in the embodiment, preferably, the motor one 4 is a stepping motor.
The blowing device comprises a fixing rod 10, the fixing rod 10 is fixedly connected to the side wall of the telescopic rod 8, a rotating shaft 11 is arranged at the lower end of the fixing rod 10, the rotating shaft 11 is rotatably connected with a connecting rod 12, a blower 13 is arranged at the lower end of the connecting rod 12, a blower cover 14 is arranged on the blower 13, the blower 13 is opened, the polishing wheel 9 can be used for polishing doors and windows to blow air, scraps are blown off, the blower 13 can also be rotated through the rotating shaft 11, the angle of the blower 13 is changed, and the blower is adjusted to a proper.
Fixing device includes sleeve 15, and it is provided with movable rod 16 to slide in sleeve 15, is provided with the recess 17 of evenly arranging on the movable rod 16, is provided with card post 18 in the recess 17, and card post 18 runs through sleeve 15 lateral wall and installs in recess 17, the terminal fixedly connected with clamp splice 24 of movable rod 16 can slide movable rod 16 in sleeve 15, and the position of adjustment clamp splice 24 is cliied door and window 3's both sides, fixes the clamp splice through placing card post 18 in recess 17, and then fixes door and window 3, prevents that it from rocking when polishing.
The flat plate 2 is provided with a plurality of through holes 19, the bottom surface of the polishing chamber 1 is provided with a containing box 20, the containing box 20 is positioned below the through holes 19, the blower 13 blows off the scraps, and the scraps fall into the containing box 20 through the through holes 19 on the flat plate 2 for recycling treatment, so that the environmental pollution is prevented; the number of the through holes 19 is not limited, and in the present embodiment, preferably, the number of the through holes 19 is five.
The working principle of the embodiment is as follows: the door and window 3 is placed on the flat plate 2, the movable rod 16 slides in the sleeve 15, the position of the clamping block 24 is adjusted, two sides of the door and window 3 are clamped, the clamping block is fixed by placing the clamping column 18 in the groove 17, the door and window 3 is further fixed, the door and window 3 is prevented from shaking during polishing, the motor I4 rotates to drive the screw rod 5 to rotate, the sliding block 7 in threaded connection with the screw rod 5 can move left and right on the screw rod to drive the polishing wheel 9 to move left and right, the telescopic rod 8 extends downwards to enable the polishing wheel 9 to contact the door and window 3, the motor II 23 is started to drive the polishing wheel 9 to rotate, the door and window 3 is polished, the blower 13 is started to blow air at the position where the polishing wheel 9 polishes the door and window, the blower 13 can blow off chips, the blower 13 can also rotate through the rotating shaft 11 to change the angle of the blower 13 to enable the blower 13 to be adjusted to a proper position, the blower 13 blows off the chips, preventing environmental pollution.
Example 2
In order to prevent the dust from polluting the air, the embodiment is further improved on the basis of the embodiment 1, and the improvement is as follows: the top end of the polishing chamber 1 is provided with a suction fan 21, the lower end of the suction fan 21 is provided with a suction hood 22, and the suction fan 21 can absorb dust in the air through the suction hood 22 to prevent the dust from causing air pollution.
The working principle of the embodiment is as follows: polishing wheel 9 polishes door and window 3, and hair-dryer 13 is bloied door and window department of polishing to polishing wheel 9, can blow some piece dusts in the air, causes air pollution, for preventing it from taking place, sets up suction fan 21 on polishing room 1 top, and suction fan 21 lower extreme is provided with suction hood 22, and suction fan 21 accessible suction hood 22 absorbs the dust in the air, prevents that it from causing air pollution.
In conclusion, by arranging the blowing device, the scraps generated by the door and window polished by the polishing wheel 9 can be blown off, so that the influence of the scraps on polishing is prevented, and the door and window is not smooth enough; by arranging the screw rod 5, the sliding block 7 can move left and right on the screw rod 5, so that the polishing efficiency is improved; by arranging the fixing device, the door and window 3 can be fixed on the flat plate 2, so that the door and window is prevented from shaking during polishing, and the stability of the door and window is improved; through the arrangement of the containing box 20, the scraps generated during polishing can be recycled, so that the environmental pollution is prevented; by arranging the suction fan 21, dust in the air can be absorbed, and air pollution caused by the dust can be prevented.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. A galvanized iron alloy door and window polishing device comprises a polishing chamber (1) and is characterized in that a flat plate (2) is arranged in the polishing chamber (1), two ends of the flat plate (2) are fixedly connected to the inner side wall of the polishing chamber (1), a door and window (3) is placed on the flat plate (2), fixing devices are arranged on two sides of the door and window (3), a first motor (4) is fixedly connected to the inner left side wall of the polishing chamber (1), a first motor (4) is fixedly connected to the output end of the first motor (4), a threaded portion of the right end of the first motor (5) is rotatably connected with a shaft sleeve (6), the shaft sleeve (6) is fixedly connected to the inner right side wall of the polishing chamber (1), a sliding block (7) with built-in threads is arranged on the first motor (5), the sliding block (7) is in threaded connection with the first screw (5), a telescopic rod (8) is, the output end of the second motor (23) is fixedly connected with a grinding wheel (9), and a blowing device is arranged on the telescopic rod (8).
2. The polishing device for the galvanized iron alloy door and window as recited in claim 1, wherein the blowing device comprises a fixing rod (10), the fixing rod (10) is fixedly connected to the side wall of the telescopic rod (8), a rotating shaft (11) is arranged at the lower end of the fixing rod (10), a connecting rod (12) is rotatably connected to the rotating shaft (11), a blower (13) is arranged at the lower end of the connecting rod (12), and a blower cover (14) is arranged on the blower (13).
3. The polishing device for the galvanized iron alloy door and window as claimed in claim 1, wherein the fixing device comprises a sleeve (15), a movable rod (16) is arranged in the sleeve (15) in a sliding manner, grooves (17) which are uniformly distributed are formed in the movable rod (16), clamping columns (18) are arranged in the grooves (17), the clamping columns (18) penetrate through the side wall of the sleeve (15) and are installed in the grooves (17), and a clamping block (24) is fixedly connected to the tail end of the movable rod (16).
4. The polishing device for the galvanized iron alloy door and window as claimed in claim 1, wherein a plurality of through holes (19) are formed in the flat plate (2), a storage box (20) is arranged on the bottom surface of the polishing chamber (1), and the storage box (20) is positioned below the through holes (19).
5. The polishing device for the galvanized iron alloy door and window as recited in claim 2, characterized in that the top end of the polishing chamber (1) is provided with a suction fan (21), and the lower end of the suction fan (21) is provided with a suction hood (22).
6. The polishing device for the galvanized iron alloy door and window as recited in claim 1, wherein the first motor (4) is a stepping motor.
7. The finishing device for galvanized iron alloy doors and windows according to claim 4, wherein the number of said through holes (19) is five.
CN201911144183.3A 2019-11-20 2019-11-20 Galvanized iron alloy door and window burnishing device Pending CN110815017A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911144183.3A CN110815017A (en) 2019-11-20 2019-11-20 Galvanized iron alloy door and window burnishing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911144183.3A CN110815017A (en) 2019-11-20 2019-11-20 Galvanized iron alloy door and window burnishing device

Publications (1)

Publication Number Publication Date
CN110815017A true CN110815017A (en) 2020-02-21

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CN201911144183.3A Pending CN110815017A (en) 2019-11-20 2019-11-20 Galvanized iron alloy door and window burnishing device

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CN (1) CN110815017A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112247753A (en) * 2020-09-28 2021-01-22 富甲电子(昆山)有限公司 Die with fixed-point internal deslagging clean production function and use method thereof
CN113295491A (en) * 2021-05-24 2021-08-24 河海大学 Metallographic preparation device for material science and engineering
CN113386152A (en) * 2021-06-29 2021-09-14 重庆大学 Six-axis polishing robot
WO2022032901A1 (en) * 2020-08-14 2022-02-17 六恒金属科技(昆山)有限公司 Component polishing device for mobile phone production

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120220204A1 (en) * 2011-02-25 2012-08-30 Hon Hai Precision Industry Co., Ltd. Cleaning device for grinding plate
CN106392890A (en) * 2015-07-27 2017-02-15 天津悦润塑料制品有限公司 Novel polishing and dust-removing device
CN206527623U (en) * 2017-03-15 2017-09-29 东莞美景实业有限公司 Jewelry polishing precision device
CN107414625A (en) * 2017-09-05 2017-12-01 刘丽 A kind of building artificial stone's integrated processing device with reciprocal polishing function
CN206780132U (en) * 2017-03-28 2017-12-22 浙江交通技师学院 A kind of automobile engine rotating shaft production polishing machine
CN107738161A (en) * 2017-10-27 2018-02-27 金吉祥 A kind of plastic mould finished product grinding apparatus
CN108326661A (en) * 2018-03-23 2018-07-27 成都蒲江珂贤科技有限公司 A kind of convenient environment friendly stone material grinding device
CN208644965U (en) * 2018-07-02 2019-03-26 嘉兴万象汽配有限公司 A kind of new automobile bearing grinding device
CN209287780U (en) * 2018-10-31 2019-08-23 苏州大用金属科技有限公司 Dust-extraction unit is used in a kind of processing of aluminum alloy doors and windows
CN209533074U (en) * 2018-12-10 2019-10-25 大连斯瑞邦机电有限公司 A kind of machining platform convenient for adjusting

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120220204A1 (en) * 2011-02-25 2012-08-30 Hon Hai Precision Industry Co., Ltd. Cleaning device for grinding plate
CN106392890A (en) * 2015-07-27 2017-02-15 天津悦润塑料制品有限公司 Novel polishing and dust-removing device
CN206527623U (en) * 2017-03-15 2017-09-29 东莞美景实业有限公司 Jewelry polishing precision device
CN206780132U (en) * 2017-03-28 2017-12-22 浙江交通技师学院 A kind of automobile engine rotating shaft production polishing machine
CN107414625A (en) * 2017-09-05 2017-12-01 刘丽 A kind of building artificial stone's integrated processing device with reciprocal polishing function
CN107738161A (en) * 2017-10-27 2018-02-27 金吉祥 A kind of plastic mould finished product grinding apparatus
CN108326661A (en) * 2018-03-23 2018-07-27 成都蒲江珂贤科技有限公司 A kind of convenient environment friendly stone material grinding device
CN208644965U (en) * 2018-07-02 2019-03-26 嘉兴万象汽配有限公司 A kind of new automobile bearing grinding device
CN209287780U (en) * 2018-10-31 2019-08-23 苏州大用金属科技有限公司 Dust-extraction unit is used in a kind of processing of aluminum alloy doors and windows
CN209533074U (en) * 2018-12-10 2019-10-25 大连斯瑞邦机电有限公司 A kind of machining platform convenient for adjusting

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022032901A1 (en) * 2020-08-14 2022-02-17 六恒金属科技(昆山)有限公司 Component polishing device for mobile phone production
CN112247753A (en) * 2020-09-28 2021-01-22 富甲电子(昆山)有限公司 Die with fixed-point internal deslagging clean production function and use method thereof
CN113295491A (en) * 2021-05-24 2021-08-24 河海大学 Metallographic preparation device for material science and engineering
CN113386152A (en) * 2021-06-29 2021-09-14 重庆大学 Six-axis polishing robot

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