CN108505046A - A kind of energy-saving copper material burnishing device using solar energy - Google Patents

A kind of energy-saving copper material burnishing device using solar energy Download PDF

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Publication number
CN108505046A
CN108505046A CN201810297271.6A CN201810297271A CN108505046A CN 108505046 A CN108505046 A CN 108505046A CN 201810297271 A CN201810297271 A CN 201810297271A CN 108505046 A CN108505046 A CN 108505046A
Authority
CN
China
Prior art keywords
fixedly connected
fixing barrel
energy
copper material
solar energy
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
CN201810297271.6A
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Chinese (zh)
Inventor
赵金东
郭玉环
王勇为
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.)
Shenzhen Lotut Innovation Design Co Ltd
Original Assignee
Shenzhen Lotut Innovation Design 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 Shenzhen Lotut Innovation Design Co Ltd filed Critical Shenzhen Lotut Innovation Design Co Ltd
Priority to CN201810297271.6A priority Critical patent/CN108505046A/en
Publication of CN108505046A publication Critical patent/CN108505046A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F3/00Brightening metals by chemical means
    • C23F3/04Heavy metals
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The invention discloses a kind of energy-saving copper material burnishing devices using solar energy, including firm banking, it is symmetrical above the firm banking to be fixedly connected with support post, it is fixedly connected with horizontal supporting plate at the top of support post, it is fixedly connected with support ring on the inside of horizontal supporting plate, outer fixing barrel is slidably connected on the inside of support ring, the outer middle side part of outer fixing barrel is fixedly connected with limit baffle ring, limit baffle ring is matched with support ring, pilot hole is offered in the middle part of the horizontal supporting plate, pilot hole internal slide is connected with guide extension bar, it is connected with fixed transverse rod at the top of guide extension bar, it is fixedly connected with interior fixing barrel in the middle part of fixed transverse rod, interior fixing barrel outer diameter is less than outer fixing barrel internal diameter, the interior fixing barrel is located at right over outer fixing barrel.Compared with prior art, the beneficial effects of the invention are as follows:The configuration of the present invention is simple, it is easy to use, solar energy is collected by solar panels when in use and be powered, while device can carry out copper material polishing drying process.

Description

A kind of energy-saving copper material burnishing device using solar energy
Technical field
The present invention relates to a kind of energy-saving equipment, specifically a kind of energy-saving copper material burnishing device using solar energy.
Background technology
Solar energy refers to the infrared radiant energy of the sun, and main performance is exactly the sunray often said.It is typically used as sending out in the modern times Electricity provides the energy for water heater.
Since life on earth is born, it has been mainly based on the infrared radiant energy existence of sun offer, and is also understood from ancient human With sun-dried object, and as the method for making food, such as salt manufacturing and solarization cured fish.The case where fossil fuel is reduced increasingly Under, solar energy has become the mankind and uses the important component of the energy, and is constantly developed.The utilization of solar energy has photo-thermal to turn Change with opto-electronic conversion two ways, solar power generation is a kind of emerging regenerative resource.Sensu lato solar energy also includes ground Wind energy, chemical energy, water energy on ball etc..
It is a highly important behave to carry out industrial production using solar energy, can be effective energy saving, reduces ring It pollutes in border.Those skilled in the art propose a kind of energy-saving copper material burnishing device using solar energy thus, above-mentioned to solve The problem of being proposed in background.
Invention content
The purpose of the present invention is to provide a kind of energy-saving copper material burnishing devices using solar energy, to solve above-mentioned background The problem of being proposed in technology.
To achieve the above object, the present invention provides the following technical solutions:
A kind of energy-saving copper material burnishing device using solar energy, including firm banking, the firm banking top are symmetrical It is fixedly connected with support post, horizontal supporting plate is fixedly connected at the top of support post, is fixedly connected on the inside of horizontal supporting plate Support ring, support ring inside slidably connect outer fixing barrel, and the outer middle side part of outer fixing barrel is fixedly connected with limit baffle ring, limiting block Ring is matched with support ring, offers pilot hole in the middle part of the horizontal supporting plate, pilot hole internal slide is connected with guide extension Bar, guide extension bar top are connected with fixed transverse rod, are fixedly connected with interior fixing barrel in the middle part of fixed transverse rod, interior fixing barrel outer diameter is small In outer fixing barrel internal diameter, the interior fixing barrel is located at right over outer fixing barrel, and interior fixed bottom of the barrel offers several through-holes, described Guide extension bar upper end is fixedly connected with limit installation block, is mounted below block and is fixedly connected with spring, and spring pocket is set to and leads On the outside of to telescopic rod, the lower spring end is fixedly connected with horizontal supporting plate;It is fixedly connected with pilot seal in the middle part of interior fixing barrel Ring, horizontal supporting plate rear side are fixedly connected with mounting base, Cooling and heating blower, Cooling and heating blower output end are fixedly connected with above mounting base It is fixedly connected with escape pipe, escape pipe is connected with outer fixing barrel, and solar panels are rotatably connected on rear side of the horizontal supporting plate, Rotation strut is rotatably connected on front side of solar panels, rotation strut is matched with solar panels;The firm banking upper left side is solid Surely it is connected with motor cabinet, is fixedly connected with motor above motor cabinet, motor output end is fixedly connected with screw-thread drive shaft, and both sides are led It is fixedly connected with horizontal top to telescopic rod bottom, hang plate is fixedly connected with above the firm banking, is opened above hang plate Equipped with limit sliding chutes, limit sliding chutes internal slide is connected with spacing ball, and sliding shoe, sliding shoe are threaded on screw-thread drive shaft Outside slidably connects transmission mandril, and transmission mandril lower end is fixedly connected with spacing ball.
As a further solution of the present invention:The firm banking bottom is symmetrical to be fixedly connected with universal wheel.
As further scheme of the invention:The spring is tension spring, and spring is stainless steel metal spring.
As further scheme of the invention:The motor is three phase alternating current motor.
As further scheme of the invention:The fixed base plate interior is fixedly connected with accumulator, accumulator with too Positive energy plate is electrically connected.
As further scheme of the invention:It is fixedly connected with starting switch in the middle part of the support post of left side.
As further scheme of the invention:It is fixedly connected with work light in the middle part of the support post of right side.
As further scheme of the invention:The escape pipe is metal hose.
As further scheme of the invention:The interior fixing barrel is identical as outer fixing barrel material.
As further scheme of the invention:The pilot seal ring is integrally formed with interior fixing barrel.
Compared with prior art, the beneficial effects of the invention are as follows:The configuration of the present invention is simple, it is easy to use, lead to when in use It crosses solar panels collection solar energy to be powered, has saved the energy, while device can carry out copper material polishing drying process, be worth It promotes the use of.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of energy-saving copper material burnishing device using solar energy;
Fig. 2 is a kind of left view structural representation of energy-saving copper material burnishing device using solar energy;
Fig. 3 is a kind of overlooking structure diagram of interior fixing barrel in energy-saving copper material burnishing device using solar energy.
In figure:The outer fixing barrel of 1- firm bankings, 2- universal wheels, 3- support posts, 4- horizontal supporting plates, 5- support rings, 6-, 7- limit baffle rings, 8- pilot holes, 9- guide extensions bar, 10- fixed transverse rods, fixing barrel, 12- through-holes, 13- are mounted in 11- Hole, 14- springs, 15- pilot seals ring, 16- mounting bases, 17- Cooling and heating blowers, 18- escape pipes, 19- solar panels, 20- rotations Strut, 21- motor cabinets, 22- motors, 23- screw-thread drive shafts, 24- horizontal tops, 25- hang plates, 26- limit sliding chutes, 27- are slided Motion block, 28- transmissions mandril, 29- spacing balls, 30- starting switches, 31- work lights.
Specific implementation mode
The technical solution of this patent is described in more detail With reference to embodiment.
Please refer to Fig.1-3, a kind of energy-saving copper material burnishing device using solar energy, including firm banking 1, the fixation 1 top of pedestal is symmetrical to be fixedly connected with support post 3, and 3 top of support post is fixedly connected with horizontal supporting plate 4, horizontal 4 inside of support plate is fixedly connected with support ring 6, and 5 inside of support ring slidably connects outer fixing barrel 6,6 outer middle side part of outer fixing barrel It is fixedly connected with limit baffle ring 7, limit baffle ring 7 is matched with support ring 6, and 4 middle part of the horizontal supporting plate offers pilot hole 8,8 internal slide of pilot hole is connected with guide extension bar 9, and 9 top of guide extension bar is connected with fixed transverse rod 10, fixed transverse rod 10 Middle part is fixedly connected with interior fixing barrel 11, and 11 outer diameter of interior fixing barrel is less than 6 internal diameter of outer fixing barrel, and the interior fixing barrel 11 is located at outer Right over fixing barrel 6,11 bottom of interior fixing barrel offers several through-holes 12, and 9 upper end of guide extension bar is fixedly connected limited Position mounting blocks 13 are mounted 13 lower section of block and are fixedly connected with spring 14, and spring 14 is sheathed on 9 outside of guide extension bar, described 14 lower end of spring is fixedly connected with horizontal supporting plate 4;
Interior fixing barrel 11 is adjusted to extreme lower position when use, suitable polishing can be added in 11 inside of fixing barrel inside later Liquid can will need the copper material being polished to be positioned over inside interior fixing barrel 11, then impregnate and be polished later;
11 middle part of interior fixing barrel is fixedly connected with pilot seal ring 15, and 4 rear side of horizontal supporting plate is fixedly connected with mounting base 16, pacifies Dress seat 16 top is fixedly connected with Cooling and heating blower 17, and 17 output end of Cooling and heating blower is fixedly connected with escape pipe 18, escape pipe 18 with Outer fixing barrel 6 is connected, and 4 rear side of the horizontal supporting plate is rotatably connected to solar panels 19, and 19 front side rotation of solar panels connects It is connected to rotation strut 20, rotation strut 20 is matched with solar panels 19;
Can open Cooling and heating blower 17, initial stage uses cold wind, wind is passed through after interior fixing barrel 11 being lifted up after polishing The through-hole 12 of outer fixing barrel 6 and 11 bottom of interior fixing barrel blasts to be air-dried inside interior fixing barrel 11, be then turned on later hot wind into Row drying can be taken off polished copper material after drying, solar panels 19 collect solar energy, give Cooling and heating blower 17 to provide later Electric power exports, while the electric energy of solar panels 17 is collected by accumulator, passes through motor 22 when interior fixing barrel 11 moves up and down Driving;
1 upper left side of the firm banking is fixedly connected with motor cabinet 21, and 21 top of motor cabinet is fixedly connected with motor 22, motor 22 Output end is fixedly connected with screw-thread drive shaft 23, and guide extension bar 9 bottom in both sides is fixedly connected with horizontal top 24, the fixation 1 top of pedestal is fixedly connected with hang plate 25, and 25 top of hang plate offers limit sliding chutes 26, and 26 internal slide of limit sliding chutes connects It is connected to spacing ball 29, sliding shoe 27 is threaded on screw-thread drive shaft 23,27 outside of sliding shoe slidably connects transmission mandril 28,28 lower end of transmission mandril is fixedly connected with spacing ball 29;
The rotation of motor 22 drives screw-thread drive shaft 23 to rotate, and the rotation of screw-thread drive shaft 23 drives 27 side-to-side movement of sliding shoe, due to Sliding shoe 27 cannot be rotated by the transmission limit of mandril 28, thus can only side-to-side movement, and be driven power of the mandril 28 by side-to-side movement It drives transmission mandril 28 to move upwards, then drives interior fixing barrel 11 to move upwards by horizontal top 24, on the contrary then downward fortune It is dynamic, realize Electronic control.
1 bottom of the firm banking is symmetrical to be fixedly connected with universal wheel 2.
The spring 14 is tension spring, and spring 14 is stainless steel metal spring.
The motor 22 is three phase alternating current motor.
Accumulator is fixedly connected with inside the fixed bottom plate 1, accumulator is electrically connected with solar panels 19.
Left side 3 middle part of support post is fixedly connected with starting switch 30.
Right side 3 middle part of support post is fixedly connected with work light 31.
The escape pipe 18 is metal hose.
The interior fixing barrel 11 is identical as 6 material of outer fixing barrel.
The pilot seal ring 15 is integrally formed with interior fixing barrel 11.
The present invention operation principle be:Interior fixing barrel 11 is adjusted to extreme lower position by the present invention when in use, later Suitable polishing fluid is added in 11 inside of fixing barrel inside, the copper material being polished can will be needed to be positioned over interior fixing barrel 11 later Then inside is impregnated and is polished, Cooling and heating blower 17, initial stage can be opened after being lifted up interior fixing barrel 11 after polishing Using cold wind, the through-hole 12 by wind by outer fixing barrel 6 and 11 bottom of interior fixing barrel blasts to be air-dried inside interior fixing barrel 11, It is then turned on hot wind later to be dried, polished copper material is can be taken off after drying, solar panels 19 collect solar energy, later Electric power output is provided to Cooling and heating blower 17, while the electric energy of solar panels 17 is collected by accumulator, in about 11 interior fixing barrel It is driven by motor 22 when movement, the rotation of motor 22 drives screw-thread drive shaft 23 to rotate, and the rotation of screw-thread drive shaft 23 drives sliding 27 side-to-side movement of block, since sliding shoe 27 cannot be rotated by the transmission limit of mandril 28, thus can only side-to-side movement, and be driven mandril 28 are driven transmission mandril 28 to move upwards by the power of side-to-side movement, then drive interior fixing barrel 11 to transport upwards by horizontal top 24 It is dynamic, it is on the contrary then move downward, realization Electronic control.
It should be strongly noted that being changed into electric energy by the collection solar energy of solar panels 19 in the application and utilizing electric energy It is the application of the prior art to drive the technology of Cooling and heating blower 17 and motor 22.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (10)

1. a kind of energy-saving copper material burnishing device using solar energy, including firm banking (1), which is characterized in that the fixation It is symmetrical above pedestal (1) to be fixedly connected with support post (3), it is fixedly connected with horizontal supporting plate at the top of support post (3) (4), it is fixedly connected with support ring (6) on the inside of horizontal supporting plate (4), outer fixing barrel (6) is slidably connected on the inside of support ring (5), The outer middle side part of outer fixing barrel (6) is fixedly connected with limit baffle ring (7), and limit baffle ring (7) is matched with support ring (6), the water Pilot hole (8) is offered in the middle part of flat support plate (4), pilot hole (8) internal slide is connected with guide extension bar (9), guide extension It is connected with fixed transverse rod (10) at the top of bar (9), interior fixing barrel (11), interior fixing barrel are fixedly connected in the middle part of fixed transverse rod (10) (11) outer diameter is less than outer fixing barrel (6) internal diameter, and the interior fixing barrel (11) is located at right over outer fixing barrel (6), interior fixing barrel (11) bottom offers several through-holes (12), and guide extension bar (9) upper end, which is fixedly connected with, is mounted block (13), limit Spring (14) is fixedly connected with below mounting blocks (13), spring (14) is sheathed on the outside of guide extension bar (9), the spring (14) Lower end is fixedly connected with horizontal supporting plate (4);It is fixedly connected with pilot seal ring (15) in the middle part of interior fixing barrel (11), it is horizontally-supported It is fixedly connected with mounting base (16) on rear side of plate (4), Cooling and heating blower (17), Cooling and heating blower are fixedly connected with above mounting base (16) (17) output end is fixedly connected with escape pipe (18), and escape pipe (18) is connected with outer fixing barrel (6), the horizontal supporting plate (4) rear side is rotatably connected to solar panels (19), and rotation strut (20) is rotatably connected on front side of solar panels (19), rotates strut (20) it is matched with solar panels (19);Firm banking (1) upper left side is fixedly connected with motor cabinet (21), motor cabinet (21) Top is fixedly connected with motor (22), and motor (22) output end is fixedly connected with screw-thread drive shaft (23), both sides guide extension bar (9) bottom is fixedly connected with horizontal top (24), and hang plate (25), hang plate are fixedly connected with above the firm banking (1) (25) top offers limit sliding chutes (26), and limit sliding chutes (26) internal slide is connected with spacing ball (29), screw-thread drive shaft (23) it is threaded with sliding shoe (27) on, transmission mandril (28), transmission mandril (28) are slidably connected on the outside of sliding shoe (27) Lower end is fixedly connected with spacing ball (29).
2. a kind of energy-saving copper material burnishing device using solar energy according to claim 1, which is characterized in that described solid Determine that pedestal (1) bottom is symmetrical to be fixedly connected with universal wheel (2).
3. a kind of energy-saving copper material burnishing device using solar energy according to claim 1, which is characterized in that the bullet Spring (14) is tension spring, and spring (14) is stainless steel metal spring.
4. a kind of energy-saving copper material burnishing device using solar energy according to claim 1, which is characterized in that the electricity Machine (22) is three phase alternating current motor.
5. a kind of energy-saving copper material burnishing device using solar energy according to claim 1, which is characterized in that described solid Determine to be fixedly connected with accumulator inside bottom plate (1), accumulator is electrically connected with solar panels (19).
6. a kind of energy-saving copper material burnishing device using solar energy according to claim 1, which is characterized in that left side institute It states and is fixedly connected with starting switch (30) in the middle part of support post (3).
7. a kind of energy-saving copper material burnishing device using solar energy according to claim 1, which is characterized in that right side institute It states and is fixedly connected with work light (31) in the middle part of support post (3).
8. a kind of energy-saving copper material burnishing device using solar energy according to claim 1, which is characterized in that it is described go out Tracheae (18) is metal hose.
9. a kind of energy-saving copper material burnishing device using solar energy according to claim 1, which is characterized in that in described Fixing barrel (11) is identical as outer fixing barrel (6) material.
10. a kind of energy-saving copper material burnishing device using solar energy according to claim 1, which is characterized in that described Pilot seal ring (15) is integrally formed with interior fixing barrel (11).
CN201810297271.6A 2018-04-04 2018-04-04 A kind of energy-saving copper material burnishing device using solar energy Pending CN108505046A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810297271.6A CN108505046A (en) 2018-04-04 2018-04-04 A kind of energy-saving copper material burnishing device using solar energy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810297271.6A CN108505046A (en) 2018-04-04 2018-04-04 A kind of energy-saving copper material burnishing device using solar energy

Publications (1)

Publication Number Publication Date
CN108505046A true CN108505046A (en) 2018-09-07

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CN201810297271.6A Pending CN108505046A (en) 2018-04-04 2018-04-04 A kind of energy-saving copper material burnishing device using solar energy

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112538631A (en) * 2020-11-19 2021-03-23 贵溪市正鑫铜业有限公司 Environment-friendly treatment equipment for copper material polishing solution

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204819090U (en) * 2015-07-08 2015-12-02 俞升洋 Solar energy environment -friendly steel pipe polishing and grinding machine
CN105598846A (en) * 2016-03-08 2016-05-25 李良学 Solar-powered building plate polishing mechanism and using method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204819090U (en) * 2015-07-08 2015-12-02 俞升洋 Solar energy environment -friendly steel pipe polishing and grinding machine
CN105598846A (en) * 2016-03-08 2016-05-25 李良学 Solar-powered building plate polishing mechanism and using method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112538631A (en) * 2020-11-19 2021-03-23 贵溪市正鑫铜业有限公司 Environment-friendly treatment equipment for copper material polishing solution

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Application publication date: 20180907

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