CN109514396A - A kind of quincunx drum curved surface polishing machine and its polishing method - Google Patents

A kind of quincunx drum curved surface polishing machine and its polishing method Download PDF

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Publication number
CN109514396A
CN109514396A CN201910043954.3A CN201910043954A CN109514396A CN 109514396 A CN109514396 A CN 109514396A CN 201910043954 A CN201910043954 A CN 201910043954A CN 109514396 A CN109514396 A CN 109514396A
Authority
CN
China
Prior art keywords
drum
quincunx
fixed
driving wheel
curved surface
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Withdrawn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
CN201910043954.3A
Other languages
Chinese (zh)
Inventor
付桂壮
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.)
Luannan Toyota Hardware Farm Tools Manufacturing Co Ltd
Original Assignee
Luannan Toyota Hardware Farm Tools Manufacturing 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 Luannan Toyota Hardware Farm Tools Manufacturing Co Ltd filed Critical Luannan Toyota Hardware Farm Tools Manufacturing Co Ltd
Priority to CN201910043954.3A priority Critical patent/CN109514396A/en
Publication of CN109514396A publication Critical patent/CN109514396A/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Withdrawn legal-status Critical Current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
    • B24B19/00Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/08Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section
    • 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
    • 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

Landscapes

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

Abstract

The present invention relates to a kind of quincunx drum curved surface polishing machine and its polishing methods, belong to farm implements, hardware tool manufacturing polishing technology field.Technical solution is: power is transmitted to driving shaft (22) by drum motor (6), gear drive is passed sequentially through by power transmission to quincunx drum main shaft (20), quincunx drum (5) are driven to rotate, the outer surface of the quincunx drum (5) is the spaced apart curved surface in concave and convex surface, the top of quincunx drum (5) is equipped with cotton piece buff (8), cloth turbin generator (9) and cotton piece buff (8) are drivingly connected, cotton piece buff (8) and cloth turbin generator (9) are fixed on fixed plate (25), fixed plate (25) is fixed on moving slide board (18), moving slide board (18) is fixed on rail slider (12).The beneficial effects of the present invention are: realizing the artificial polishing of mechanization polishing substitution, production efficiency is 8 times or more of each artificial polishing production efficiency, reduces production cost, promotes added value of product.

Description

A kind of quincunx drum curved surface polishing machine and its polishing method
Technical field
The present invention relates to a kind of quincunx drum curved surface polishing machine and its polishing methods, belong to farm implements, hardware tool manufacture The curved face product polishing technology field of industry.
Background technique
Currently, the polishing of farm implements, hardware tool manufacturing mean camber product is all made of traditional artificial polishing, it is artificial to throw Light labor intensity is big, production efficiency is low, pollutes environment, and there is very big security risk, belongs to highly energy-consuming, high pollution High risk industries, long campaigns this work worker be susceptible to suffer from occupational disease.In addition, when single throwing convex surface product among cloth foot wheel abrasion, Cloth foot wheel abrasion both sides when single throwing concave surface product, increase the consumption of auxiliary material.
Summary of the invention
The object of the present invention is to provide a kind of quincunx drum curved surface polishing machine and its polishing methods, realize mechanization polishing It substitutes artificial polishing, solves the problems, such as background technique.
The technical scheme is that
A kind of quincunx drum curved surface polishing machine includes quincunx drum, drum motor, driving shaft, quincunx drum main shaft, branch Wheel, cotton piece buff, cloth turbin generator, rail slider, track, moving slide board and fixed plate are supportted, power is transmitted to actively by the drum motor Axis passes sequentially through gear drive for power and is transmitted to quincunx drum main shaft, drives quincunx drum to rotate, quincunx drum Outer surface be the spaced apart curved surface in concave and convex surface, quincunx drum is equipped with the fixed device of curved face product, quincunx rolling The lower section of bucket is equipped with support wheel, and the top of quincunx drum is equipped with cotton piece buff, and cloth turbin generator and cotton piece buff are drivingly connected, cotton piece buff and cotton piece buff Motor is fixed in fixed plate, and fixed plate is fixed on moving slide board, and moving slide board is fixed on rail slider, while the company of sliding It connects in orbit, fixed plate is equipped with cotton piece buff screwdown adjusting mechanism.
The gear drive includes driving wheel, driving wheel one, driving wheel two, quincunx drum main shaft wheel and connection Plate, drum motor and driving wheel are drivingly connected, and driving wheel is engaged with driving wheel one, and driving wheel one is engaged with driving wheel two, transmission Wheel two is engaged with quincunx drum main shaft wheel.Driving wheel, driving wheel one, driving wheel two and quincunx drum main shaft wheel are by connecting plate It is connected with each other.
The fixed device of curved face product, the fixed dress of the curved face product are equipped on the concave and convex surface of the quincunx drum It sets and passes through support base respectively comprising eccentric last item, last item handle and support base, the both ends of eccentric last item and be fixed on quincunx drum On, one end end of eccentric last item is equipped with last item handle.
The cotton piece buff screwdown adjusting mechanism includes pressure lead screw, buffer spring, adjusting nut and U-bracket, and U-bracket is solid It is scheduled in fixed plate, pressure adjusting screw is each passed through fixed plate and u-bracket upper end, is connected by adjusting screw and nut It connects, the lower end for depressing lead screw is fixed on moving slide board, and the upper end of pressure lead screw is equipped with adjusting nut, and pressure lead screw is equipped with slow Rush spring.
The moving slide board is connect by connecting rod with slide motor, and connecting rod is equipped with the short adjusting nut of length of connecting rod.
The track is fixed on the rack.
In process of production, polish the dust of generation, can be extracted by blower bag filter purification it is up to standard after arrange again It puts, no pollution to the environment.
A kind of polishing method of quincunx drum curved surface polishing machine, using quincunx drum curved surface polishing defined by above-mentioned Curved face product when polishing curved face product, is fixed on quincunx drum by the eccentric last item in the fixed device of curved face product by machine Concave and convex surface orientation range in, start drum motor, power is transmitted to driving shaft by drum motor, passes sequentially through gear biography Motivation structure gives power transmission to quincunx drum main shaft, and quincunx drum is driven to rotate, while starting cloth turbin generator and sliding block electricity Machine is driven cotton piece buff to rotate and moved back and forth along the outer surface of quincunx drum, alternately polished using concave and convex surface, until complete At the polishing of curved face product.
The beneficial effects of the present invention are:
(1) the artificial polishing of mechanization polishing substitution is realized, production efficiency is 8 times or more of each artificial polishing production efficiency, Human-saving can be solved, production cost, protection environment is reduced, promotes added value of product;
(2) abrasion for reducing cotton piece buff reduces the consumption of auxiliary material, meets energy-saving requirement.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention;
Fig. 2 is gear drive of the present invention;
Fig. 3 is quincunx drum A-A sectional view;
In figure: 1, driving wheel;2, driving wheel one;3, driving wheel two;4, quincunx drum main shaft wheel;5, quincunx drum;6, it rolls Bucket motor;7, support wheel;8, cotton piece buff;9, cloth turbin generator;10, lead screw is depressed;11, buffer spring;12, rail slider;13, rail Road;14, slide motor;15, eccentric last item;16, last item handle;17, the short adjusting nut of length of connecting rod;18, moving slide board;19, even Fishplate bar;20, quincunx drum main shaft;21, bearing block;22, driving shaft;23, rack;24, support base;25, fixed plate;26, it adjusts Whole nut;27, u-bracket.
Specific embodiment
Below in conjunction with attached drawing, by example, the invention will be further described.
Referring to attached drawing 1,2,3, a kind of quincunx drum curved surface polishing machine includes quincunx drum 5, drum motor 6, support Take turns 7, cotton piece buff 8, cloth turbin generator 9, rail slider 12, track 13, moving slide board 18, quincunx drum main shaft 20,22 and of driving shaft Power is transmitted to driving shaft 22, passes sequentially through gear drive for power transmission to plum blossom by fixed plate 25, the drum motor 6 Shape drum main shaft 20 drives quincunx drum 5 to rotate, and the outer surface of quincunx drum 5 is the spaced apart song in concave and convex surface Face, quincunx drum 5 are equipped with the fixed device of curved face product, and the lower section of quincunx drum 5 is equipped with support wheel 7, quincunx drum 5 Top be equipped with cotton piece buff 8, cloth turbin generator 9 and cotton piece buff 8 are drivingly connected, and cotton piece buff 8 and cloth turbin generator 9 are fixed in fixed plate 25, Gu Fixed board 25 is fixed on moving slide board 18, and moving slide board 18 is fixed on rail slider 12, while being slidably connected on track 13, Fixed plate 25 is equipped with cotton piece buff screwdown adjusting mechanism.
In the present embodiment, referring to attached drawing 2, gear drive includes driving wheel 1, driving wheel 1,23 and of driving wheel Quincunx drum main shaft wheel 4 and connecting plate 19, drum motor 6 and driving wheel 1 are drivingly connected, and driving wheel 1 is nibbled with driving wheel 1 It closes, driving wheel 1 is engaged with driving wheel 23, and driving wheel 23 is engaged with quincunx drum main shaft wheel 4.Driving wheel, driving wheel one 2, driving wheel 23 and quincunx drum main shaft wheel are connected with each other by connecting plate 19.
Referring to attached drawing 3, the outer surface of quincunx drum 5 is the spaced apart curved surface in concave and convex surface, quincunx drum 5 Concave and convex surface is equipped with the fixed device of curved face product, and the fixed device of the curved face product includes eccentric last item 15, last item handle 16 and support base 24, the both ends of eccentric last item 15 pass through support base 24 respectively and be fixed on quincunx drum 5, eccentric last item 15 One end end is equipped with last item handle 16.
Referring to attached drawing 1, cotton piece buff screwdown adjusting mechanism includes pressure lead screw 10, buffer spring 11, adjusting nut 26 and U-shaped branch Frame 27, U-bracket 27 are fixed in fixed plate 25, and pressure lead screw 10 is each passed through 27 upper end of fixed plate 25 and u-bracket, by adjusting Whole lead screw 10 and nut 26 connect, and the lower end of pressure lead screw 10 is fixed on moving slide board 18, depress the upper end of lead screw 10 Equipped with adjusting nut 26, depresses lead screw 10 and be equipped with buffer spring 11.By the adjustable cotton piece buff of cotton piece buff screwdown adjusting mechanism 8 with The distance between quincunx drum 5, to reach ideal quality of finish.
Moving slide board 18 is connect by connecting rod with slide motor 14, and connecting rod is equipped with the short adjusting nut 17 of length of connecting rod.In life During production, according to the length and status requirement of curved face product polishing area, can by adjusting slide motor 14 eccentric shaft and Length of connecting rod short adjusting nut 17 is completed.
The track 13 is fixed in rack 23.
Referring to attached drawing 1, curved face product is passed through into the orientation range that eccentric last item 15 is fixed on the male and fomale(M&F) of quincunx drum 5 Interior, drum motor 6 imparts power to the driving wheel 1 in gear drive, by driving wheel 1 successively pass to driving wheel 1, Driving wheel 23 and quincunx drum main shaft wheel 4, quincunx drum 5 start turning;Meanwhile 14 band of cloth turbin generator 9 and slide motor Dynamic cotton piece buff 8 rotates and moves back and forth along the outer surface of quincunx drum 5, and cotton piece buff 8 starts to polish curved face product, works as curved surface After product polishing, unclamp last item handle 16, remove curved face product, and so on complete the throwing of each curved face product Light.
Referring to attached drawing 1, attached drawing 2, a kind of working principle that quincunx rotary drum polisher male and fomale(M&F) product alternately polishes works as biography When plum blossom drum main shaft wheel 4 is rotated with plum blossom drum 5 in moving gear group, two support wheels 7 of plum blossom drum 5 are along quincunx The shape of drum 5 rotates, and moves up and down in spindle bearing holder 21 so as to cause quincunx drum main shaft 20, and with quincunx Drum 5 moves up and down rotation, and to compensate the polishing of male and fomale(M&F) product, transmission gear is by quincunx drum 5 in driving gear set Displacement up and down is generated when moving up and down, and mutually changes angle by transmission connection plate 19 to be automatically performed the normal transmission of gear.
Referring to attached drawing 3, the present invention is to reach cotton piece buff normally to wear, reduce production consumptive material, is alternately thrown using male and fomale(M&F) Light mode, cloth foot wheel abrasion both sides among cloth foot wheel abrasion, when cotton piece buff list throws concave surface product when solving cotton piece buff list throwing convex surface product Wasting phenomenon reduces the consumption of auxiliary material, meets energy-saving requirement.

Claims (8)

1. a kind of quincunx drum curved surface polishing machine, it is characterised in that: include quincunx drum (5), drum motor (6), support Take turns (7), cotton piece buff (8), cloth turbin generator (9), rail slider (12), track (13), moving slide board (18), quincunx drum main shaft (20), power is transmitted to driving shaft (22), passes sequentially through gear by driving shaft (22) and fixed plate (25), the drum motor (6) Power transmission is driven quincunx drum (5) to rotate by transmission mechanism to quincunx drum main shaft (20), outside quincunx drum (5) Surface is the spaced apart curved surface in concave and convex surface, and quincunx drum (5) is equipped with the fixed device of curved face product, quincunx drum (5) lower section is equipped with support wheel (7), and the top of quincunx drum (5) is equipped with cotton piece buff (8), and cloth turbin generator (9) and cotton piece buff (8) are driven Dynamic connection, cotton piece buff (8) and cloth turbin generator (9) are fixed on fixed plate (25), and fixed plate (25) is fixed on moving slide board (18), Moving slide board (18) is fixed on rail slider (12), while being connected on track (13), and fixed plate (25) is equipped with cloth wheel load Lower adjustment mechanism.
2. a kind of quincunx drum curved surface polishing machine according to claim 1, it is characterised in that: the gear drive Comprising driving wheel (1), driving wheel one (2), driving wheel two (3) and plum blossom drum main shaft wheel (4), drum motor (6) and driving wheel (1) it is drivingly connected, driving wheel (1) is engaged with driving wheel one (2), and driving wheel one (2) is engaged with driving wheel two (3), driving wheel two (3) it is engaged with plum blossom drum main shaft wheel (4);
Driving wheel, driving wheel one (2), driving wheel two (3) and quincunx drum main shaft wheel (4) are connected with each other by connecting plate (19).
3. a kind of quincunx drum curved surface polishing machine according to claim 1, it is characterised in that: the quincunx drum (5) be equipped with the fixed device of curved face product on concave and convex surface, the fixed device of the curved face product include eccentric last item (15), Last item handle (16) and support base (24), the both ends of eccentric last item (15) pass through support base (24) respectively and are fixed on quincunx drum (5) on, one end end of eccentric last item (15) is equipped with last item handle (16).
4. a kind of quincunx drum curved surface polishing machine according to claim 1, it is characterised in that: the cotton piece buff pressure adjustment Mechanism includes that pressure lead screw (10), buffer spring (11), adjusting nut (26) and U-bracket (27), U-bracket (27) are fixed on In fixed plate (25), the lower end of pressure lead screw (10) is fixed on moving slide board (18), and pressure lead screw (10) is each passed through fixation Plate (25) and u-bracket (27) upper end, are connected, the upper end of pressure lead screw (10) is set by adjusting screw (10) and nut (26) Have adjusting nut (26), pressure lead screw (10) is equipped with buffer spring (11).
5. a kind of quincunx drum curved surface polishing machine according to claim 1, it is characterised in that: the moving slide board (18) It is connect by connecting rod with slide motor (14), connecting rod is equipped with the short adjusting nut of length of connecting rod (17).
6. a kind of quincunx drum curved surface polishing machine according to claim 1, it is characterised in that: the track (13) is fixed On rack (23).
7. a kind of polishing method of quincunx drum curved surface polishing machine, using any one plum blossom defined by claim 1-6 Shape drum curved surface polishing machine, it is characterised in that: when polishing curved face product, curved face product is passed through in the fixed device of curved face product In the orientation range for the concave and convex surface that eccentric last item (15) is fixed on quincunx drum (5), start drum motor (6), drum Motor (6) drives quincunx drum (5) to rotate by gear drive, while starting cloth turbin generator (9) and slide motor (14), cotton piece buff (8) rotation is driven, and is moved back and forth along the outer surface of quincunx drum (5), is alternately thrown using concave and convex surface Light, the polishing until completing curved face product.
8. a kind of polishing method of quincunx drum curved surface polishing machine according to claim 7, it is characterised in that: work as transmission When plum blossom drum main shaft wheel (4) is rotated with plum blossom drum (5) in gear set, two support wheels (7) of plum blossom drum (5) along The shape of quincunx drum (5) rotates, and moves up and down in spindle bearing holder (21) so as to cause quincunx drum main shaft (20), Rotation is moved up and down with quincunx drum (5) simultaneously, to compensate polishing of the concave and convex surface to curved face product, transmission gear Displacement up and down is generated when transmission gear is moved up and down by quincunx drum (5) in group, mutually changes angle by transmission connection plate (19) It spends to be automatically performed the normal transmission of gear.
CN201910043954.3A 2019-01-17 2019-01-17 A kind of quincunx drum curved surface polishing machine and its polishing method Withdrawn CN109514396A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910043954.3A CN109514396A (en) 2019-01-17 2019-01-17 A kind of quincunx drum curved surface polishing machine and its polishing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910043954.3A CN109514396A (en) 2019-01-17 2019-01-17 A kind of quincunx drum curved surface polishing machine and its polishing method

Publications (1)

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CN109514396A true CN109514396A (en) 2019-03-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110625492A (en) * 2019-09-24 2019-12-31 许燕玲 Quincunx drum curved surface polishing machine

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2429079A1 (en) * 1978-06-21 1980-01-18 Darrot Joseph Automatic cutlery polishing machine - has pair of rollers oscillating on curved path normal to axis about which workpiece holder pivots
JPS61252059A (en) * 1985-05-02 1986-11-10 Tipton Mfg Corp Workpiece holding device with inverting mechanism
CN2488508Y (en) * 2001-07-03 2002-05-01 上海司安工业微波应用技术研究所 Rotary continuous microwave heated disinfecting drum
CN201231444Y (en) * 2008-07-09 2009-05-06 托格·蒂尔 Machine for seat grinding, cleaning or polishing products
CN201244771Y (en) * 2008-08-22 2009-05-27 江门市亚泰自动抛光科技有限公司 Efficient polisher
CN101898703A (en) * 2009-03-10 2010-12-01 费拉格有限公司 Method and device for accepting and further processing flexible flat objects
CN202240850U (en) * 2011-09-30 2012-05-30 苍南县灵泉抛光机床制造有限公司 Full-automatic polishing machine
KR20130057039A (en) * 2011-11-23 2013-05-31 정천섭 The surface polishing machine for possibility to work three-dimensions
CN103144018A (en) * 2013-04-01 2013-06-12 厦门市金泰金工贸有限公司 Grinding machine
CN209425188U (en) * 2019-01-17 2019-09-24 滦南县丰田五金农具制造有限公司 A kind of quincunx drum curved surface polishing machine
TWD225701S (en) * 2021-09-29 2023-06-01 美商泰克特洛尼克斯公司 Test and measurement instrument with stand and battery

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2429079A1 (en) * 1978-06-21 1980-01-18 Darrot Joseph Automatic cutlery polishing machine - has pair of rollers oscillating on curved path normal to axis about which workpiece holder pivots
JPS61252059A (en) * 1985-05-02 1986-11-10 Tipton Mfg Corp Workpiece holding device with inverting mechanism
CN2488508Y (en) * 2001-07-03 2002-05-01 上海司安工业微波应用技术研究所 Rotary continuous microwave heated disinfecting drum
CN201231444Y (en) * 2008-07-09 2009-05-06 托格·蒂尔 Machine for seat grinding, cleaning or polishing products
CN201244771Y (en) * 2008-08-22 2009-05-27 江门市亚泰自动抛光科技有限公司 Efficient polisher
CN101898703A (en) * 2009-03-10 2010-12-01 费拉格有限公司 Method and device for accepting and further processing flexible flat objects
CN202240850U (en) * 2011-09-30 2012-05-30 苍南县灵泉抛光机床制造有限公司 Full-automatic polishing machine
KR20130057039A (en) * 2011-11-23 2013-05-31 정천섭 The surface polishing machine for possibility to work three-dimensions
CN103144018A (en) * 2013-04-01 2013-06-12 厦门市金泰金工贸有限公司 Grinding machine
CN209425188U (en) * 2019-01-17 2019-09-24 滦南县丰田五金农具制造有限公司 A kind of quincunx drum curved surface polishing machine
TWD225701S (en) * 2021-09-29 2023-06-01 美商泰克特洛尼克斯公司 Test and measurement instrument with stand and battery

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110625492A (en) * 2019-09-24 2019-12-31 许燕玲 Quincunx drum curved surface polishing machine
CN110625492B (en) * 2019-09-24 2020-11-20 温州忻赟工业产品设计有限公司 Quincunx drum curved surface polishing machine

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Application publication date: 20190326