CN113897658A - Silicon carbide composite plating equipment - Google Patents

Silicon carbide composite plating equipment Download PDF

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Publication number
CN113897658A
CN113897658A CN202111229934.9A CN202111229934A CN113897658A CN 113897658 A CN113897658 A CN 113897658A CN 202111229934 A CN202111229934 A CN 202111229934A CN 113897658 A CN113897658 A CN 113897658A
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CN
China
Prior art keywords
gear
polygonal
silicon carbide
rod
rotating rod
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
CN202111229934.9A
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Chinese (zh)
Inventor
白志伟
马建星
冯珣
王玉良
刘伟
焦瑞新
焦瑞明
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.)
Tangshan Kede Roll Co ltd
Original Assignee
Tangshan Kede Roll 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 Tangshan Kede Roll Co ltd filed Critical Tangshan Kede Roll Co ltd
Priority to CN202111229934.9A priority Critical patent/CN113897658A/en
Publication of CN113897658A publication Critical patent/CN113897658A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00Processes for servicing or operating cells for electrolytic coating
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00Processes for servicing or operating cells for electrolytic coating
    • C25D21/08Rinsing

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

The invention belongs to the technical field of composite plating equipment, in particular to silicon carbide composite plating equipment, and provides a scheme aiming at the problems of incomplete cleaning and low blow-drying efficiency in the prior art.

Description

Silicon carbide composite plating equipment
Technical Field
The invention relates to the technical field of composite plating equipment, in particular to silicon carbide composite plating equipment.
Background
Silicon carbide, a chemical formula of SiC, commonly known as carborundum, is a ceramic-like compound formed by bonding silicon and carbon, and pure silicon carbide is a colorless and transparent crystal. The industrial silicon carbide is light yellow, green, blue or even black due to different types and contents of impurities, the transparency is different with different purities, and the general process flow of the silicon carbide composite plating is as follows: the method comprises the following steps of deoiling, cleaning, activating, electroplating, cleaning and blow-drying, and the composite plating is carried out by using composite plating equipment.
The composite plating equipment in the prior art is not comprehensively cleaned, so that the dust removal effect is poor, and the blow-drying efficiency is low, so that the silicon carbide composite plating equipment is provided.
Disclosure of Invention
The invention aims to solve the defects of incomplete cleaning and low blow-drying efficiency in the prior art, and provides silicon carbide composite plating equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
a silicon carbide composite plating device comprises a cleaning box, a blow-drying box, a preheating groove, a pre-plating cleaning groove, an activation groove and a plating bath, wherein air suction openings are formed in the preheating groove and the activation groove, spray pipes are arranged in the preheating groove, heating rods are arranged in the preheating groove, the activation groove and the plating bath, stirring air pipes are arranged in the pre-plating cleaning groove, the activation groove and the plating bath, ultrasonic vibration plates are arranged in the pre-plating cleaning groove, anode plates are arranged in the activation groove and the plating bath, a bath solution circulating pipe is arranged in the plating bath, double rails are arranged above the cleaning box, a hoisting mechanism is arranged on the double rails, a bearing box is arranged in the cleaning box, a cavity is formed in the cleaning box, a motor is arranged in the cavity, a first gear is fixedly arranged on an output shaft of the motor, a second gear and a third gear are rotatably arranged in the cavity, the second gear and the third gear are both meshed with the first gear, a rotating mechanism is arranged in the cleaning box and comprises a first polygonal rod, the first polygonal rod is fixedly connected with the second gear, a first rotating rod is rotatably arranged on the first polygonal rod, a first polygonal sleeve is slidably arranged on the first rotating rod, a first adjusting cylinder is rotatably arranged on the first polygonal sleeve and is slidably connected with the inner wall of the cavity, a cleaning barrel is rotatably arranged in the bearing box and is fixedly connected with the first rotating rod, a fan is arranged in the drying box, an air inlet pipe is arranged on the fan, a filter screen is arranged in the air inlet pipe, a second polygonal rod is fixedly arranged on the third gear, a second rotating rod is rotatably arranged on the second polygonal rod, and a second polygonal sleeve is slidably arranged on the second rotating rod, rotate on the second polygon sleeve and install the second and adjust a section of thick bamboo, the inner wall sliding connection of second regulation section of thick bamboo and cavity, be provided with two cardboards on the washing case, first regulation section of thick bamboo and second regulation section of thick bamboo mutually support with two cardboards respectively, it is provided with rotary mechanism to weather the incasement, rotary mechanism includes first band pulley, first band pulley and second bull stick fixed connection, rotates on the air outlet of fan and installs the blowing pipe, and fixed mounting has the second band pulley on the blowing pipe, and same belt is installed in the transmission on first band pulley and the second band pulley.
Preferably, a transverse plate is arranged in the blow-drying box, a sound wave generator and a converter are arranged in the cleaning box, and the sound wave generator and the converter are linearly connected.
Preferably, a second bearing is fixedly installed in the cavity, and an inner ring of the second bearing is fixedly connected with one side of the third gear.
Preferably, a second slide rail is arranged on the second rotating rod, and the second slide rail is connected with the second polygonal sleeve in a sliding manner.
Preferably, the carrying box is provided with an annular rail, and the annular rail is connected with the cleaning barrel in a sliding manner.
Preferably, a first slide rail is arranged on the first rotating rod and is in sliding connection with the first polygonal sleeve.
Preferably, a first bearing is fixedly installed in the cavity, an inner ring of the first bearing is fixedly connected with one side of the second gear, a dryer, a compressed air storage tank, an air compressor, a filter and a waste gas purification tower are arranged on one side of the cleaning box, waste gas of the experiment plating bath and the activation bath is sucked by an air suction system on the upper side of the tank wall and then is introduced into the acid waste gas purification tower through a pipeline, a packing layer is arranged in the tower, the waste gas enters from the bottom of the tower to be fully contacted with alkali liquor sprayed on the top of the tower for neutralization reaction and then is dehydrated, demisted and discharged into the atmosphere through a demisting plate, the alkali liquor is pressurized by a water pump at the bottom of the tower and then is sprayed on the top of the tower and finally flows back to the bottom of the tower for recycling, the plating solutions used in the experiment process are mainly composite plating solution and chrome plating solution, other conditions are kept unchanged, and the experiment is carried out by regulating and controlling the ratio of the plating solutions; keeping the proportion of the electroplating solution unchanged, carrying out an experiment by regulating and controlling electroplating time and electroplating temperature, soaking and degreasing in a preheating tank before a sample experiment, wherein the raw materials in the preheating tank are chemical degreasing powder, cleaning agent and the like, sending the sample experiment after degreasing into a pre-plating cleaning tank by a hoisting mechanism for ultrasonic cleaning, hoisting by the hoisting mechanism to slowly rise after the ultrasonic cleaning is finished, spraying and cleaning the sample experiment by nozzles around a notch, sending the sample experiment into an activation tank by the hoisting mechanism after the cleaning is finished, and enabling the components of the activation solution (chromium plating activation solution and composite electroplating activation solution) to be the same as the components of the electroplating solution; during composite electroplating, the activating solution is not added with silicon carbide, other components are the same as the electroplating solution, the cleaned experimental sample piece is hung into an activating tank by a hoisting mechanism, the experimental sample piece is soaked in the activating solution, a power supply is switched on for activation, the purpose of activation is to enable parts to be more favorable for adsorption of a coating during subsequent electroplating, the pretreatment before electroplating is enhanced, a direct current stabilized voltage power supply is adopted during electroplating, a direct current electric meter is connected in series to strictly monitor and control the cathode current density, and the temperature (50-60 ℃) of the coating is controlled and adjusted by an electric heating constant temperature water bath. The experiment comprises a chromium plating experiment and a composite plating experiment, wherein an electroplated experiment sample is hung into a cleaning box by a hoisting mechanism for ultrasonic cleaning for 5-10min, surface floating powder is removed, and a workpiece after ultrasonic cleaning is hung into a blow-drying area for blow-drying, so that the whole plating layer is completed.
Compared with the prior art, the invention has the advantages that:
1. this scheme is when using, and slewing mechanism's setting can drive the washing bucket and rotate for the vibrations area is wider, washs more comprehensively, has improved the cleaning performance.
2. This scheme is when using, and rotary mechanism's setting can drive the blowing pipe rotation, increases and weathers the area, improves and weathers efficiency.
The invention can improve the cleaning effect and the drying efficiency, and has simple use and convenient operation.
Drawings
FIG. 1 is a schematic perspective view of a silicon carbide composite plating apparatus according to the present invention;
FIG. 2 is a schematic cross-sectional structural view of a silicon carbide composite plating apparatus according to the present invention;
FIG. 3 is an enlarged schematic structural view of part A in FIG. 2 of a silicon carbide composite plating apparatus according to the present invention;
FIG. 4 is a schematic view of a connection structure of a first polygonal rod, a first rotating rod and a first polygonal sleeve of the silicon carbide composite plating apparatus according to the present invention;
FIG. 5 is a schematic view of the connection structure of a first gear, a second gear and a third gear of the silicon carbide composite plating device according to the present invention;
fig. 6 is a schematic view of the overall structure of a silicon carbide composite plating apparatus according to the present invention.
In the figure: 1 cleaning box, 2 blow-drying box, 3 bearing box, 4 cavity, 5 motor, 6 first gear, 7 second gear, 8 third gear, 9 first polygon rod, 10 first rotating rod, 11 first polygon sleeve, 12 first adjusting cylinder, 13 blower, 14 air inlet pipe, 15 second polygon rod, 16 second rotating rod, 17 second polygon sleeve, 18 second adjusting cylinder, 19 first belt wheel, 20 blowing pipe, 21 second belt wheel, 22 belt, 23 cleaning barrel, 24 hoisting mechanism, 25 transverse plate, 26 sound wave generator, 27 converter, 28 air suction port, 29 spraying pipe, 30 heating rod, 31 stirring air pipe, 32 ultrasonic vibration plate, 33 anode plate, 34 tank liquid circulating pipe, 35 preheating tank, 36 pre-plating cleaning tank, 37 activating tank, 38 electroplating tank.
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.
Referring to fig. 1-6, a silicon carbide composite plating device comprises a cleaning box 1, a blow-drying box 2, a preheating tank 35, a pre-plating cleaning tank 36, an activation tank 37 and a plating tank 38, wherein air suction openings 28 are respectively arranged in the preheating tank 35 and the activation tank 37, a spray pipe 29 is arranged in the preheating tank 35, heating rods 30 are respectively arranged in the preheating tank 35, the activation tank 37 and the plating tank 38, stirring air pipes 31 are respectively arranged in the pre-plating cleaning tank 36, the activation tank 37 and the plating tank 38, an ultrasonic vibration plate 32 is arranged in the pre-plating cleaning tank 36, anode plates 33 are respectively arranged in the activation tank 37 and the plating tank 38, a tank liquid circulating pipe 34 is arranged in the plating tank 38, double rails are arranged above the cleaning box 1, a hoisting mechanism 24 is arranged on the double rails, a bearing box 3 is arranged in the cleaning box 1, a cavity 4 is arranged on the cleaning box 1, a motor 5 is arranged in the cavity 4, a first gear 6 is fixedly arranged on an output shaft of the motor 5, a second gear 7 and a third gear 8 are rotatably mounted in the cavity 4, the second gear 7 and the third gear 8 are both meshed with the first gear 6, a rotating mechanism is arranged in the cleaning box 1 and comprises a first polygonal rod 9, the first polygonal rod 9 is fixedly connected with the second gear 7, a first rotating rod 10 is rotatably mounted on the first polygonal rod 9, a first polygonal sleeve 11 is slidably mounted on the first rotating rod 10, a first adjusting cylinder 12 is rotatably mounted on the first polygonal sleeve 11, the first adjusting cylinder 12 is slidably connected with the inner wall of the cavity 4, a cleaning barrel 23 is rotatably mounted in the bearing box 3, the cleaning barrel 23 is fixedly connected with the first rotating rod 10, a fan 13 is arranged in the blow-drying box 2, an air inlet pipe 14 is arranged on the fan 13, a filter screen is arranged in the air inlet pipe 14, a second polygonal rod 15 is fixedly mounted on the third gear 8, a second rotating rod 16 is rotatably mounted on the second polygonal rod 15, a second polygonal sleeve 17 is slidably mounted on the second rotating rod 16, a second adjusting cylinder 18 is rotatably mounted on the second polygonal sleeve 17, the second adjusting cylinder 18 is slidably connected with the inner wall of the cavity 4, two clamping plates are arranged on the cleaning box 1, the first adjusting cylinder 12 and the second adjusting cylinder 18 are respectively matched with the two clamping plates, and a rotating mechanism is arranged in the blow-drying box 2.
In the invention, the rotating mechanism comprises a first belt wheel 19, the first belt wheel 19 is fixedly connected with a second rotating rod 16, a blowpipe 20 is rotatably arranged on an air outlet of the fan 13, a second belt wheel 21 is fixedly arranged on the blowpipe 20, and the same belt 22 is rotatably arranged on the first belt wheel 19 and the second belt wheel 21.
In the invention, a transverse plate 25 is arranged in the blow-drying box 2, a sound wave generator 26 and a converter 27 are arranged in the cleaning box 1, and the sound wave generator 26 and the converter 27 are linearly connected.
In the invention, the first rotating rod 10 is provided with a first slide rail, the first slide rail is connected with the first polygonal sleeve 11 in a sliding manner, and the first slide rail can enable the first polygonal sleeve 11 to slide at a fixed position.
In the invention, the second rotating rod 16 is provided with a second slide rail, the second slide rail is connected with the second polygonal sleeve 17 in a sliding manner, and the second slide rail can enable the second polygonal sleeve 17 to slide at a fixed position.
In the invention, a first bearing is fixedly arranged in the cavity 4, an inner ring of the first bearing is fixedly connected with one side of the second gear 7, and the first bearing can enable the second gear 7 to rotate at a fixed position.
In the invention, a second bearing is fixedly arranged in the cavity 4, the inner ring of the second bearing is fixedly connected with one side of the third gear 8, and the second bearing can enable the third gear 8 to rotate at a fixed position.
In the invention, the carrying box 3 is provided with an annular rail which is connected with the cleaning barrel 23 in a sliding way, and the annular rail can enable the cleaning barrel 23 to rotate at a fixed position.
The working principle is as follows: when in use, the motor 5 is turned on to drive the first gear 6 to rotate, the first gear 6 rotates to drive the second gear 7 and the third gear 8 to rotate, the second gear 7 rotates to drive the first polygonal rod 9 to rotate, the first polygonal rod 9 rotates to drive the first polygonal sleeve 11 to rotate, the first polygonal sleeve 11 rotates to drive the first rotating rod 10 to rotate, the first rotating rod 10 rotates to drive the cleaning barrel 23 to rotate, the cleaning effect is improved, the fan 13 is started to blow dry, the third gear 8 rotates to drive the second polygonal rod 15 to rotate, the second polygonal rod 15 rotates to drive the second polygonal sleeve 17 to rotate, the second polygonal sleeve 17 rotates to drive the second rotating rod 16 to rotate, the second rotating rod 16 rotates to drive the first belt wheel 19 to rotate, and the first belt wheel 19 rotates under the cooperation of the belt 22, and then drive second band pulley 21 and rotate, second band pulley 21 rotates, and then drive blowing pipe 20 and rotate, increase and weather the area, improve and weather efficiency, when needs stop to wash bucket 23 and rotate, pull open the cardboard, upwards stimulate first regulation section of thick bamboo 12, and then pull up first polygon sleeve 11, make first polygon sleeve 11 and the separation of first polygon pole 9, make washing bucket 23 stall, when not needing to weather on the same reason, it can to stimulate second regulation section of thick bamboo 18, when needing to use again, reverse the first regulation section of thick bamboo 12 of pulling or second regulation section of thick bamboo 18 can, can start the rotation motor on hoisting machine 24 when wasing, drive the work piece and rotate, reinforcing cleaning performance.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. The utility model provides a carborundum composite plating equipment, includes washs case (1), weathers case (2), preheats groove (35), plates preceding washing tank (36), activation groove (37) and plating bath (38), its characterized in that, all be provided with inlet scoop (28) in preheating groove (35) and the activation groove (37), be provided with shower (29) in preheating groove (35), all be provided with heating rod (30) in preheating groove (35), activation groove (37) and plating bath (38), all be provided with stirring trachea (31) in plating preceding washing tank (36), activation groove (37) and plating bath (38), be provided with ultrasonic wave vibration board (32) in plating preceding washing tank (36), all be provided with anode plate (33) in activation groove (37) and plating bath (38), be provided with groove liquid circulating pipe (34) in plating bath (38), it is provided with the double track to wash case (1) top, the double-track cleaning device is characterized in that a hoisting mechanism (24) is arranged on the double track, a bearing box (3) is arranged in the cleaning box (1), a cavity (4) is formed in the cleaning box (1), a motor (5) is arranged in the cavity (4), a first gear (6) is fixedly mounted on an output shaft of the motor (5), a second gear (7) and a third gear (8) are rotatably mounted in the cavity (4), the second gear (7) and the third gear (8) are both meshed with the first gear (6), a rotating mechanism is arranged in the cleaning box (1) and comprises a first polygonal rod (9), the first polygonal rod (9) and the second gear (7) are fixedly connected, a first rotating rod (10) is rotatably mounted on the first polygonal rod (9), a first polygonal sleeve (11) is slidably mounted on the first rotating rod (10), the improved clothes dryer is characterized in that a first adjusting cylinder (12) is rotatably mounted on the first polygonal sleeve (11), the first adjusting cylinder (12) is in sliding connection with the inner wall of the cavity (4), a cleaning barrel (23) is rotatably mounted in the bearing box (3), the cleaning barrel (23) is fixedly connected with a first rotating rod (10), a fan (13) is arranged in the drying box (2), an air inlet pipe (14) is arranged on the fan (13), a filter screen is arranged in the air inlet pipe (14), a second polygonal rod (15) is fixedly mounted on the third gear (8), a second rotating rod (16) is rotatably mounted on the second polygonal rod (15), a second polygonal sleeve (17) is slidably mounted on the second rotating rod (16), a second adjusting cylinder (18) is rotatably mounted on the second polygonal sleeve (17), and the second adjusting cylinder (18) is in sliding connection with the inner wall of the cavity (4), the cleaning box (1) is provided with two clamping plates, the first adjusting cylinder (12) and the second adjusting cylinder (18) are respectively matched with the two clamping plates, and the blow-drying box (2) is internally provided with a rotating mechanism.
2. The silicon carbide composite plating equipment as claimed in claim 1, wherein the rotating mechanism comprises a first belt wheel (19), the first belt wheel (19) is fixedly connected with a second rotating rod (16), a blowing pipe (20) is rotatably mounted on an air outlet of the fan (13), a second belt wheel (21) is fixedly mounted on the blowing pipe (20), and the same belt (22) is rotatably mounted on the first belt wheel (19) and the second belt wheel (21).
3. The silicon carbide composite plating equipment according to claim 1, characterized in that a transverse plate (25) is arranged in the blow-drying box (2), a sound wave generator (26) and a converter (27) are arranged in the cleaning box (1), and the sound wave generator (26) and the converter (27) are linearly connected.
4. The silicon carbide composite plating equipment as claimed in claim 1, wherein the first rotating rod (10) is provided with a first slide rail, and the first slide rail is slidably connected with the first polygonal sleeve (11).
5. The silicon carbide composite plating equipment as claimed in claim 1, wherein the second rotating rod (16) is provided with a second slide rail, and the second slide rail is slidably connected with the second polygonal sleeve (17).
6. The silicon carbide composite plating equipment as claimed in claim 1, wherein a first bearing is fixedly mounted in the cavity (4), and an inner ring of the first bearing is fixedly connected with one side of the second gear (7).
7. The silicon carbide composite plating equipment as claimed in claim 1, wherein a second bearing is fixedly arranged in the cavity (4), and an inner ring of the second bearing is fixedly connected with one side of the third gear (8).
8. Silicon carbide composite plating equipment according to claim 1, characterized in that the carrying case (3) is provided with an annular rail, which is slidingly connected with the washing tub (23).
CN202111229934.9A 2021-10-22 2021-10-22 Silicon carbide composite plating equipment Pending CN113897658A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111229934.9A CN113897658A (en) 2021-10-22 2021-10-22 Silicon carbide composite plating equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111229934.9A CN113897658A (en) 2021-10-22 2021-10-22 Silicon carbide composite plating equipment

Publications (1)

Publication Number Publication Date
CN113897658A true CN113897658A (en) 2022-01-07

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ID=79025786

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111229934.9A Pending CN113897658A (en) 2021-10-22 2021-10-22 Silicon carbide composite plating equipment

Country Status (1)

Country Link
CN (1) CN113897658A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109338445A (en) * 2018-10-13 2019-02-15 广东汇展金属表面处理有限公司 The copper-plated surface processing device of stainless steel
CN112176385A (en) * 2020-10-10 2021-01-05 深圳市顺益丰实业有限公司 Continuous electroplating liquid conductive device and continuous liquid electroplating method
WO2021174854A1 (en) * 2020-03-05 2021-09-10 苏州索布机器人有限公司 Safety protective textile material flushing device for textile
CN113399369A (en) * 2021-05-21 2021-09-17 中国联合工程有限公司 Transverse moving type barrel cleaning device and method
CN113458040A (en) * 2021-08-24 2021-10-01 金宸 Surface cleaning device for industrial equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109338445A (en) * 2018-10-13 2019-02-15 广东汇展金属表面处理有限公司 The copper-plated surface processing device of stainless steel
WO2021174854A1 (en) * 2020-03-05 2021-09-10 苏州索布机器人有限公司 Safety protective textile material flushing device for textile
CN112176385A (en) * 2020-10-10 2021-01-05 深圳市顺益丰实业有限公司 Continuous electroplating liquid conductive device and continuous liquid electroplating method
CN113399369A (en) * 2021-05-21 2021-09-17 中国联合工程有限公司 Transverse moving type barrel cleaning device and method
CN113458040A (en) * 2021-08-24 2021-10-01 金宸 Surface cleaning device for industrial equipment

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Application publication date: 20220107

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