CN108326676A - A kind of handware mechanical arm type grinding device - Google Patents

A kind of handware mechanical arm type grinding device Download PDF

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Publication number
CN108326676A
CN108326676A CN201810004500.0A CN201810004500A CN108326676A CN 108326676 A CN108326676 A CN 108326676A CN 201810004500 A CN201810004500 A CN 201810004500A CN 108326676 A CN108326676 A CN 108326676A
Authority
CN
China
Prior art keywords
support
handware
bolt
motor
grinding device
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
CN201810004500.0A
Other languages
Chinese (zh)
Inventor
罗诗敏
柴霞霞
周鹏
陈昊
李闻淼
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.)
Fan Yuanyuan
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201810004500.0A priority Critical patent/CN108326676A/en
Publication of CN108326676A publication Critical patent/CN108326676A/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
    • 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
    • B24B41/04Headstocks; Working-spindles; Features relating thereto
    • 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J11/00Manipulators not otherwise provided for
    • B25J11/005Manipulators for mechanical processing tasks
    • B25J11/0065Polishing or grinding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Robotics (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)

Abstract

The invention discloses a kind of handware mechanical arm type grinding devices, including base member case, support base, first bearing and rack, bottom plate is installed below the base member case, the surface of first turntable is equipped with shaft, the top of first turntable is fixedly connected by locating shaft with the first support arm, the second motor is installed on the right side of second turntable, it is separately installed with the first telescope support and the second telescope support below second motor, the inside of the rack is equipped with track, support column is installed above the track, it is both provided with gag lever post on the outside of the left clamping device and right clamping device.The handware mechanical arm type grinding device, when polishing handware, flexible selection method of clamping can be carried out according to different handwares, flexibly handware can be clamped, change the distance between handware and grinding device using mechanical arm, grinding angle is more flexible.

Description

A kind of handware mechanical arm type grinding device
Technical field
The present invention relates to hardware manufacturing technology field, specially a kind of handware mechanical arm type grinding device.
Background technology
Hardware:Traditional hardware, also referred to as " hardware " refer to five kinds of gold, silver, copper, iron, tin metals, through artificial The arts work such as knife, sword or metal device can be made, the hardware of modern society is more extensive, such as hardware tool, hardware zero Part, haberdashery and hardware, architectural hardware and security protection articles for use etc., hardware product are not mostly final consumption product.
It usually needs to polish to handware in the careful production process of handware, but existing grinding device exists Great limitation cannot flexibly be clamped handware, and grinding device cannot carry out spirit according to different handwares Adjustment living leads to the low of production efficiency, and for the above situation, technology wound is carried out on the basis of existing grinding device Newly.
Invention content
The purpose of the present invention is to provide a kind of handware mechanical arm type grinding devices, to solve to carry in above-mentioned background technology Going out general grinding device, there are great limitations, flexibly handware cannot be clamped, and grinding device cannot root It is flexibly adjusted according to different handwares, leads to the problem that production efficiency is low.
To achieve the above object, the present invention provides the following technical solutions:A kind of handware mechanical arm type grinding device, including Base member case, support base, first bearing and rack are equipped with bottom plate below the base member case, and are equipped with above base member case Headstock is equipped with the first motor above the headstock, and is provided with belt above the first motor, the support The top of seat is equipped with the first turntable, and support base is located at the top of headstock, and the surface of first turntable is equipped with shaft, And the surface of shaft is equipped with arc bracket, and the first bolt is connected between arc bracket, the top of first turntable It is fixedly connected with the first support arm by locating shaft, and the second turntable is installed above the first support arm, second turntable Right side the second motor is installed, and connect band is installed above the second motor, the lower section point of second motor First telescope support and the second telescope support are not installed, and the second telescope support is located at the right side of the first telescope support, and One end of first telescope support and the second telescope support is mounted on hinge, and the second support is equipped on the right side of the first bearing Arm, and first bearing is located at the right side of the second motor, one end of second support arm is equipped with grinding device, the rack Inside track is installed, and rack is located at the right side of bottom plate, support column is equipped with above the track, and support column is upper Side is separately installed with left clamping device and right clamping device, and right clamping device is located at the right side of left clamping device, the left side It is both provided with gag lever post on the outside of clamping device and right clamping device.
Preferably, first motor is rotatablely connected by belt and shaft.
Preferably, first turntable is welded with shaft, and the first support arm is made up of the first turntable and support base and revolves Rotation structure.
Preferably, second motor is rotatablely connected with the first telescope support and the second telescope support respectively.
Preferably, the grinding device includes screw, third motor, second bearing and polishing pad, third motor Left side is equipped with screw, and the right side of third motor is rotatablely connected by second bearing and polishing pad.
Preferably, the bottom of the support column and track constitute slide construction, and support column is arranged in parallel 2.
Preferably, the left clamping device includes the second bolt, third bolt, fixed block, right clamping plate, mounting base and left folder Plate, the second bolt are located at the top of third bolt, and the right side of the second bolt and third bolt is connect with fixed block, Er Qiegu Determine that right clamping plate is installed on the right side of block, while the left side of the second bolt and third bolt is connect with mounting base, a left side for mounting base Side is equipped with left clamp.
Preferably, second bolt is mutually parallel with third bolt, and the left side of left clamp is rough shape knot Structure, and left clamp each two is one group.
Preferably, the left clamping device is identical with right clamping device structure, and both passes through the second bolt and third Bolt constitutes rotational structure with support column.
Compared with prior art, the beneficial effects of the invention are as follows:The handware mechanical arm type grinding device, to handware When being polished, flexible selection method of clamping can be carried out according to different handwares, flexibly handware can be carried out Clamping changes the distance between handware and grinding device using mechanical arm, and grinding angle is more flexible, second electricity of device Motivation can control the angle between the first support arm and the second support arm by the first telescope support and the second telescope support, from And the second support arm is allow flexibly to change the distance between grinding device and handware, third motor drives polishing pad pair Handware is polished, and the bottom of support column constitutes slide construction with track, and support column is arranged in parallel 2, support Column sliding in orbit can change the distance between left clamping device and right clamping device, make left clamping device and right clamping Handware is clamped in device mutual cooperation, and handware is pressed from both sides under left clamping device and right clamping device collective effect It holds, and the two can make right clamping plate or left clamp that handware be clamped with used rotation, increase the spirit that the device uses Activity can flexibly be selected for different handwares.
Description of the drawings
Fig. 1 is schematic structural view of the invention;
Fig. 2 is enlarged structure schematic diagram at A in Fig. 1 of the present invention;
Fig. 3 is grinding device internal structure schematic diagram of the present invention;
Fig. 4 is the left clamping device structural schematic diagram of the present invention.
In figure:1, bottom plate, 2, base member case, 3, headstock, the 4, first motor, 5, belt, the 6, first turntable, 7, support Seat, 8, arc bracket, the 9, first bolt, 10, shaft, 11, locating shaft, the 12, first support arm, the 13, second turntable, 14, second Motor, 15, connect band, the 16, first telescope support, 17, hinge, the 18, second telescope support, 19, first bearing, 20, second Support arm, 21, grinding device, 2101, screw, 2102, third motor, 2103, second bearing, 2104, polishing pad, 22, machine Frame, 23, track, 24, support column, 25, left clamping device, the 2501, second bolt, 2502, third bolt, 2503, fixed block, 2504, right clamping plate, 2505, mounting base, 2506, left clamp, 26, right clamping device, 27, gag lever post.
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.
- 4 are please referred to Fig.1, the present invention provides a kind of technical solution:A kind of handware mechanical arm type grinding device, including bottom The lower section of seat-box 2, support base 7, first bearing 19 and rack 22, base member case 2 is equipped with bottom plate 1, and the top installation of base member case 2 The top of dynamic case 3, headstock 3 is equipped with the first motor 4, and the top of the first motor 4 is provided with belt 5, support The top of seat 7 is equipped with the first turntable 6, and support base 7 is located at the top of headstock 3, and the surface of the first turntable 6 is equipped with shaft 10, and the surface of shaft 10 is equipped with arc bracket 8, and the first bolt 9 is connected between arc bracket 8, the first motor 4 It being rotatablely connected by belt 5 and shaft 10, the first motor 4 drives the first turntable 6 to be rotated by belt 5 and shaft 10, The top of first turntable 6 is fixedly connected by locating shaft 11 with the first support arm 12, and the top of the first support arm 12 is equipped with Second turntable 13, the first turntable 6 are welded with shaft 10, and the first support arm 12 is made up of with support base 7 the first turntable 6 and rotates Structure, the first support arm 12 are rotated under the action of the first turntable 6, change the angle of the first support arm 12, the second turntable 13 right side is equipped with the second motor 14, and the top of the second motor 14 is equipped with connect band 15, the second motor 14 Lower section is separately installed with the first telescope support 16 and the second telescope support 18, and the second telescope support 18 is located at the first telescope support 16 right side, and one end of the first telescope support 16 and the second telescope support 18 is mounted on hinge 17, the second motor 14 It is rotatablely connected respectively with the first telescope support 16 and the second telescope support 18, the second motor 14 passes through 16 He of the first telescope support Second telescope support 18 can control the angle between the first support arm 12 and the second support arm 20, to make the second support arm 20 The distance between grinding device 21 and handware can flexibly be changed, the right side of first bearing 19 is equipped with the second support arm 20, and first bearing 19 is located at the right side of the second motor 14, one end of the second support arm 20 is equipped with grinding device 21, polishing Device 21 includes screw 2101, third motor 2102, second bearing 2103 and polishing pad 2104, a left side for third motor 2102 Side is equipped with screw 2101, and the right side of third motor 2102 is rotatablely connected by second bearing 2103 and polishing pad 2104, Third motor 2102 drives polishing pad 2104 to polish handware, and the inside of rack 22 is equipped with track 23, and rack 22 are located at the right side of bottom plate 1, and the top of track 23 is equipped with support column 24, and the top of support column 24 is separately installed with left clamping Device 25 and right clamping device 26, and right clamping device 26 is located at the right side of left clamping device 25, the bottom of support column 24 with Track 23 constitutes slide construction, and support column 24 is arranged in parallel 2, and sliding of the support column 24 on track 23 can change Become the distance between left clamping device 25 and right clamping device 26, makes left clamping device 25 and the mutual cooperation pair of right clamping device 26 Handware is clamped, and the outside of left clamping device 25 and right clamping device 26 is both provided with gag lever post 27, left clamping device 25 Including the second bolt 2501, third bolt 2502, fixed block 2503, right clamping plate 2504, mounting base 2505 and left clamp 2506, Two bolts 2501 are located at the top of third bolt 2502, and the right side of the second bolt 2501 and third bolt 2502 is and fixed block 2503 connections, and the right side of fixed block 2503 is equipped with right clamping plate 2504, while the second bolt 2501 and third bolt 2502 Left side connect with mounting base 2505, the left side of mounting base 2505 is equipped with left clamp 2506, the second bolt 2501 and third Bolt 2502 is mutually parallel, and the left side of left clamp 2506 is rough shape structure, and 2506 each two of left clamp is One group, left clamping device 25 is identical with 26 structure of right clamping device, and both passes through the second bolt 2501 and third bolt 2502 constitute rotational structure with support column 24, and handware is pressed from both sides under 26 collective effect of left clamping device 25 and right clamping device It holds, and the two can make right clamping plate 2504 or left clamp 2506 that handware be clamped with used rotation, increase the device The flexibility used can flexibly be selected for different handwares.
Operation principle:When using the handware mechanical arm type grinding device, the basic structure of the device is carried out first Simple to understand, which drives the first turntable 6 to be rotated by belt 5 and shaft 10, the first turntable 6 It is welded with shaft 10, and the first support arm 12 constitutes rotational structure by the first turntable 6 with support base 7, the first support arm 12 exists It is rotated under the action of first turntable 6, changes the angle of the first support arm 12, the second motor 14 stretches with first respectively to be propped up Frame 16 and the rotation connection of the second telescope support 18, the second motor 14 can by the first telescope support 16 and the second telescope support 18 To control the angle between the first support arm 12 and the second support arm 20, beaten to allow the second support arm 20 flexibly to change The distance between mill apparatus 21 and handware, third motor 2102 drive polishing pad 2104 to polish handware, support The bottom of column 24 constitutes slide construction with track 23, and support column 24 is arranged in parallel 2, and support column 24 is on track 23 Sliding can change the distance between left clamping device 25 and right clamping device 26, make left clamping device 25 and right clamping device 26, which cooperate, is clamped handware, and the second bolt 2501 is mutually parallel with third bolt 2502, and left clamp 2506 Left side is rough shape structure, and 2506 each two of left clamp is one group, left clamping device 25 and right clamping device 26 Structure is identical, and both constitutes rotational structure, handware with third bolt 2502 and support column 24 by the second bolt 2501 It is clamped under 26 collective effect of left clamping device 25 and right clamping device, and the two can make right clamping plate with used rotation 2504 or left clamp 2506 handware is clamped, increase the flexibility that the device uses, different hardware can be directed to Part is flexibly selected, and here it is the operation principles of the handware mechanical arm type grinding 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 handware mechanical arm type grinding device, including base member case (2), support base (7), first bearing (19) and rack (22), it is characterised in that:Bottom plate (1) is installed, and the top installation of base member case (2) is dynamic below the base member case (2) Case (3) is equipped with the first motor (4) above the headstock (3), and is provided with belt above the first motor (4) (5), the first turntable (6) is installed, and support base (7) is located at the top of headstock (3) above the support base (7), it is described The surface of first turntable (6) is equipped with shaft (10), and the surface of shaft (10) is equipped with arc bracket (8), and arc branch The first bolt (9) is connected between frame (8), the top of first turntable (6) passes through locating shaft (11) and the first support arm (12) it is fixedly connected, and the second turntable (13) is installed above the first support arm (12), the right side of second turntable (13) Second motor (14) is installed, and connect band (15) is installed above the second motor (14), second motor (14) the first telescope support (16) and the second telescope support (18) are separately installed with below, and the second telescope support (18) is located at The right side of first telescope support (16), and one end of the first telescope support (16) and the second telescope support (18) be respectively mounted it is hinged Chain (17), is equipped with the second support arm (20) on the right side of the first bearing (19), and to be located at second electronic for first bearing (19) The one end on the right side of machine (14), second support arm (20) is equipped with grinding device (21), the inside peace of the rack (22) Equipped with track (23), and rack (22) is located at the right side of bottom plate (1), and support column (24) is equipped with above the track (23), And left clamping device (25) and right clamping device (26) are separately installed with above support column (24), and right clamping device (26) It is both provided with limit on the outside of right side positioned at left clamping device (25), the left clamping device (25) and right clamping device (26) Bar (27).
2. a kind of handware mechanical arm type grinding device according to claim 1, it is characterised in that:First motor (4) it is rotatablely connected by belt (5) and shaft (10).
3. a kind of handware mechanical arm type grinding device according to claim 1, it is characterised in that:First turntable (6) it is welded with shaft (10), and the first support arm (12) constitutes rotational structure by the first turntable (6) and support base (7).
4. a kind of handware mechanical arm type grinding device according to claim 1, it is characterised in that:Second motor (14) it is rotatablely connected respectively with the first telescope support (16) and the second telescope support (18).
5. a kind of handware mechanical arm type grinding device according to claim 1, it is characterised in that:The grinding device (21) include screw (2101), third motor (2102), second bearing (2103) and polishing pad (2104), third motor (2102) screw (2101) is installed, and the right side of third motor (2102) passes through second bearing (2103) and polishing on the left of Disk (2104) is rotatablely connected.
6. a kind of handware mechanical arm type grinding device according to claim 1, it is characterised in that:The support column (24) Bottom and track (23) constitute slide construction, and support column (24) is arranged in parallel 2.
7. a kind of handware mechanical arm type grinding device according to claim 1, it is characterised in that:The left clamping device (25) include the second bolt (2501), third bolt (2502), fixed block (2503), right clamping plate (2504), mounting base (2505) With left clamp (2506), the second bolt (2501) is located at the top of third bolt (2502), and the second bolt (2501) and third The right side of bolt (2502) is connect with fixed block (2503), and is equipped with right clamping plate on the right side of fixed block (2503) (2504), while the left side of the second bolt (2501) and third bolt (2502) is connect with mounting base (2505), mounting base (2505) left clamp (2506) is installed on the left of.
8. a kind of handware mechanical arm type grinding device according to claim 7, it is characterised in that:Second bolt (2501) it is mutually parallel with third bolt (2502), and the left side of left clamp (2506) is rough shape structure, and left Clamping plate (2506) each two is one group.
9. a kind of handware mechanical arm type grinding device according to claim 7, it is characterised in that:The left clamping device (25) identical with right clamping device (26) structure, and both pass through the second bolt (2501) and third bolt (2502) and support Column (24) constitutes rotational structure.
CN201810004500.0A 2018-01-03 2018-01-03 A kind of handware mechanical arm type grinding device Pending CN108326676A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810004500.0A CN108326676A (en) 2018-01-03 2018-01-03 A kind of handware mechanical arm type grinding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810004500.0A CN108326676A (en) 2018-01-03 2018-01-03 A kind of handware mechanical arm type grinding device

Publications (1)

Publication Number Publication Date
CN108326676A true CN108326676A (en) 2018-07-27

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CN201810004500.0A Pending CN108326676A (en) 2018-01-03 2018-01-03 A kind of handware mechanical arm type grinding device

Country Status (1)

Country Link
CN (1) CN108326676A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109108763A (en) * 2018-09-26 2019-01-01 湖州练市飞迪电器塑料有限公司 A kind of ironware edging device that accuracy is high
CN110216572A (en) * 2019-06-29 2019-09-10 吴胜奎 A kind of Full-automatic bend pipe polisher

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002307271A (en) * 2001-04-12 2002-10-23 Nisshin Kogyo Kk Double-end surface grinder and grinding method
CN204382023U (en) * 2014-12-08 2015-06-10 佛山市博科数控机械有限公司 Multistation list robot belt sander
CN204712049U (en) * 2015-05-28 2015-10-21 中山市鸿之远工业机器人有限公司 A kind of Six-DOF industrial robot
CN105081903A (en) * 2015-09-06 2015-11-25 东莞市莞智成机器人技术有限公司 Robot grinding system for outer surface of cylinder with boss
CN205394071U (en) * 2016-03-17 2016-07-27 滁州市精华模具制造有限公司 Adjustable multipurpose clamping
CN106312754A (en) * 2016-10-27 2017-01-11 鹰普航空零部件(无锡)有限公司 Industrial robot for grinding and polishing propeller and grinding and polishing method
CN107253084A (en) * 2017-07-03 2017-10-17 上海昂恒航空自动化装备有限公司 Efficient high-precision robot milling automatic system in aircraft digital assembling
CN206779953U (en) * 2017-06-01 2017-12-22 济宁精道智能科技有限责任公司 A kind of machining fixture

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002307271A (en) * 2001-04-12 2002-10-23 Nisshin Kogyo Kk Double-end surface grinder and grinding method
CN204382023U (en) * 2014-12-08 2015-06-10 佛山市博科数控机械有限公司 Multistation list robot belt sander
CN204712049U (en) * 2015-05-28 2015-10-21 中山市鸿之远工业机器人有限公司 A kind of Six-DOF industrial robot
CN105081903A (en) * 2015-09-06 2015-11-25 东莞市莞智成机器人技术有限公司 Robot grinding system for outer surface of cylinder with boss
CN205394071U (en) * 2016-03-17 2016-07-27 滁州市精华模具制造有限公司 Adjustable multipurpose clamping
CN106312754A (en) * 2016-10-27 2017-01-11 鹰普航空零部件(无锡)有限公司 Industrial robot for grinding and polishing propeller and grinding and polishing method
CN206779953U (en) * 2017-06-01 2017-12-22 济宁精道智能科技有限责任公司 A kind of machining fixture
CN107253084A (en) * 2017-07-03 2017-10-17 上海昂恒航空自动化装备有限公司 Efficient high-precision robot milling automatic system in aircraft digital assembling

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109108763A (en) * 2018-09-26 2019-01-01 湖州练市飞迪电器塑料有限公司 A kind of ironware edging device that accuracy is high
CN110216572A (en) * 2019-06-29 2019-09-10 吴胜奎 A kind of Full-automatic bend pipe polisher
CN110216572B (en) * 2019-06-29 2021-09-14 郑益丽 Full-automatic elbow polishing machine

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Effective date of registration: 20190531

Address after: 226600 Innovation Village Group 10, Qutang Town, Haian County, Nantong City, Jiangsu Province

Applicant after: Fan Yuanyuan

Address before: 100022 Beijing Chaoyang District Pingle Park 100 Beijing University of Technology

Applicant before: Luo Shimin

SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination