CN111672786A - Aluminum alloy floor copper-nickel-chromium electroplating production line and production process thereof - Google Patents
Aluminum alloy floor copper-nickel-chromium electroplating production line and production process thereof Download PDFInfo
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- CN111672786A CN111672786A CN202010567787.5A CN202010567787A CN111672786A CN 111672786 A CN111672786 A CN 111672786A CN 202010567787 A CN202010567787 A CN 202010567787A CN 111672786 A CN111672786 A CN 111672786A
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 84
- 238000009713 electroplating Methods 0.000 title claims abstract description 55
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- XRBURMNBUVEAKD-UHFFFAOYSA-N chromium copper nickel Chemical compound [Cr].[Ni].[Cu] XRBURMNBUVEAKD-UHFFFAOYSA-N 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 130
- 238000004140 cleaning Methods 0.000 claims abstract description 99
- 238000005507 spraying Methods 0.000 claims abstract description 50
- 239000007921 spray Substances 0.000 claims abstract description 29
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 239000011701 zinc Substances 0.000 claims abstract description 27
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 27
- 238000005238 degreasing Methods 0.000 claims abstract description 21
- 238000001556 precipitation Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000001376 precipitating effect Effects 0.000 claims abstract description 6
- 238000005406 washing Methods 0.000 claims description 27
- 238000001035 drying Methods 0.000 claims description 16
- 230000008021 deposition Effects 0.000 claims description 9
- RGHNJXZEOKUKBD-SQOUGZDYSA-M D-gluconate Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O RGHNJXZEOKUKBD-SQOUGZDYSA-M 0.000 claims description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 150000001879 copper Chemical class 0.000 claims description 3
- 239000006184 cosolvent Substances 0.000 claims description 3
- 229940050410 gluconate Drugs 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 150000007522 mineralic acids Chemical class 0.000 claims description 3
- 150000002815 nickel Chemical class 0.000 claims description 3
- 239000007800 oxidant agent Substances 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 239000002455 scale inhibitor Substances 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- 150000003751 zinc Chemical class 0.000 claims description 3
- 229910018487 Ni—Cr Inorganic materials 0.000 claims 8
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims 8
- 239000012535 impurity Substances 0.000 abstract description 11
- 230000003749 cleanliness Effects 0.000 abstract description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 238000007747 plating Methods 0.000 description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
-
- B08B1/143—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/08—Rinsing
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
- C25D5/42—Pretreatment of metallic surfaces to be electroplated of light metals
- C25D5/44—Aluminium
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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)
- Electroplating Methods And Accessories (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention relates to the technical field of electroplating production lines, in particular to an aluminum alloy floor copper-nickel-chromium electroplating production line and a production process thereof, wherein the aluminum alloy floor copper-nickel-chromium electroplating production line comprises a pretreatment area, and the pretreatment area comprises an ultrasonic degreasing tank, a first cleaning tank, an ash removal tank, a second cleaning tank, a zinc precipitation tank and a third cleaning tank; spraying devices for cleaning the plated part are arranged between the first cleaning tank and the ash removing tank and between the second cleaning tank and the zinc precipitating tank, and the spraying device is also arranged on one side of the third cleaning tank, which is far away from the zinc precipitating tank; the spraying device comprises a support frame and a spraying mechanism; the spraying mechanism comprises a spraying pipe, a water pump and a clear water tank, and the spraying pipe is communicated with the clear water tank through the water pump. The method specifically comprises the following steps: hanging, ultrasonic oil removal, cleaning, ash removal, zinc precipitation and the like. The spraying device can spray the plated part, so that oil stains and impurities adhered to the surface of the plated part are fully cleaned, the excellent cleanliness of the surface of the plated part is effectively improved, and the better electroplating quality of the plated part is guaranteed.
Description
Technical Field
The invention relates to the technical field of electroplating production lines, in particular to an aluminum alloy floor electroplating copper nickel chromium production line and a production process thereof.
Background
The base plate of the aluminum alloy floor is made of aluminum alloy materials, and a high-wear-resistant fireproof high-pressure laminate (HPL) or PVC conductive floor tile is pasted on the surface of the base plate. It has the advantages of good conductivity, mechanical strength and the like, so that it is commonly used in antistatic, dustproof, large-bearing and high-requirement electronic or medical workshops and the like.
During manufacturing of the base plate of the aluminum alloy floor, electroplating treatment needs to be carried out on the surface of the base plate, so that the properties of corrosion resistance, wear resistance and the like of the base plate are improved, and the performance of the aluminum alloy floor is improved. In order to improve the corrosion and wear resistance of the substrate, copper, nickel and chromium are usually electroplated on the surface of the substrate in sequence, and a rack plating electroplating form is adopted.
Before the aluminum alloy is electroplated, the aluminum alloy plate needs to be pretreated in order to improve the electroplating quality of the aluminum alloy plate, namely grease and an oxide film on the surface of the aluminum alloy plate are removed. The pretreatment usually includes degreasing, etching and other steps, and the aluminum alloy sheet needs to be cleaned between each step of the pretreatment in order to ensure the processing quality of each step.
In the prior art, the invention patent with publication number CN103422143A specifically discloses an automatic electroplating production line, which comprises a circulating track, an electroplating vehicle, a first front water washing tank, a degreasing tank, a second front water washing tank, a pickling tank, an electroplating tank, a rear clear water washing tank, a rear pure water washing tank and a deplating tank. The electroplating trolley can move on the circulating track, the plated part can be placed on the electroplating trolley, and the electroplating trolley can place the plated part into each groove in sequence, so that electroplating work is completed.
After the plated part passes through the degreasing tank and the pickling tank, the plated part is cleaned only by putting the plated part into the rinsing bath, and the rinsing bath is filled with water to clean the plated part.
The above scheme has the following defects: after the wash bowl washs a plurality of pieces that plate, can have impurity or greasy dirt in the wash bowl, consequently, when the wash bowl continues to wash the piece that plates, receive the influence of greasy dirt or impurity, the wash bowl can not carry out abundant cleanness to the piece that plates, takes out the back from the wash bowl when the piece that plates, and greasy dirt impurity can the adhesion once more on the surface of the piece that plates, can reduce the pretreatment quality of the piece that plates to influence the electroplating quality of the piece that plates.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the copper-nickel-chromium electroplating production line for the aluminum alloy floor, which can fully clean a plated part so as to ensure the better electroplating quality of the plated part.
The second purpose of the invention is to provide an electroplating process which can realize the full cleaning of the plated piece.
One of the above objects of the present invention is achieved by the following technical solutions:
the aluminum alloy floor copper-nickel-chromium electroplating production line comprises a track, a travelling crane connected with the track in a sliding mode and a pretreatment area arranged below the track, wherein the travelling crane is used for driving a plated part to move, and the pretreatment area comprises an ultrasonic degreasing tank, a first cleaning tank, an ash removal tank, a second cleaning tank, a zinc precipitation tank and a third cleaning tank which are sequentially arranged in the length direction of the track;
spraying devices for cleaning the plated part are arranged between the first cleaning tank and the ash removing tank and between the second cleaning tank and the zinc precipitating tank, and the spraying device is also arranged on one side of the third cleaning tank, which is far away from the zinc precipitating tank; the spraying device comprises two oppositely arranged support frames and a spraying mechanism connected with the support frames; and a space for placing the plated part is reserved between the two support frames.
Through adopting above-mentioned technical scheme, plate the piece and can place between two support frames, spray the mechanism and can spray to wash plating the piece, make greasy dirt and impurity break away from with plating the piece mutually to effectively promote and plate excellent in surface's cleanliness, avoid impurity greasy dirt to the electroplating process who plates the piece and produce the influence, thereby guarantee to plate the electroplating quality of a preferred.
The present invention in a preferred example may be further configured to: the spraying mechanism comprises two groups of spraying pipes, a water pump arranged on one side of the support frame and a clear water tank arranged on one side of the support frame, the two groups of spraying pipes are respectively arranged on two opposite side walls of the two support frames, each group of spraying pipes is provided with a high-pressure spray head, and the two groups of high-pressure spray heads are arranged oppositely; the water outlet of the water pump is communicated with the spraying pipe through a water outlet pipe, and the water inlet of the water pump is communicated with the clear water tank through a water inlet pipe;
each group of the spraying pipes comprises a plurality of branch pipes which are distributed along the vertical direction, and the branch pipes are arranged in parallel; the high-pressure spray heads are provided with a plurality of high-pressure spray heads which are uniformly distributed on the branch pipes.
Through adopting above-mentioned technical scheme, the water pump can let in the clear water to the shower for two sets of showers fully wash the both sides face on aluminum alloy floor, fully wash the greasy dirt and the impurity of a surface adhesion that plate, and a plurality of branch pipes can promote spray set's spraying scope, effectively promote spray set's cleaning efficiency.
The present invention in a preferred example may be further configured to: the two ends of the support frames in the length direction are fixedly connected with splash guards, and the splash guards are arranged between the two support frames.
Through adopting above-mentioned technical scheme, the splash shield can shelter from spun clear water in the shower, thereby avoids clear water to splash to the support frame outside and influence operational environment.
The present invention in a preferred example may be further configured to: the clear water tank comprises a cold water tank and a hot water tank arranged on one side of the cold water tank, the number of the water inlet pipes is two, one end of each water inlet pipe is communicated with the water pump, the other end of each water inlet pipe is communicated with the cold water tank and the hot water tank respectively, and valves are arranged on the water inlet pipes.
Through adopting above-mentioned technical scheme, the hot-water tank and the cold water storage cistern set up the washing requirement that can satisfy on the different temperatures of aluminum alloy plate, can enough use hot water to wash aluminum alloy plate, can use cold water again to wash aluminum alloy plate, have promoted the convenience of using, are favorable to guaranteeing spray set's cleaning performance to aluminum alloy plate simultaneously.
The present invention in a preferred example may be further configured to: the support frame below sets up the header tank, the header tank is located between two support frames, header tank length is put direction both sides wall and is respectively with two support frame fixed connection.
By adopting the technical scheme, the waste water after the spraying device cleans the aluminum alloy floor can flow into the water collecting tank, so that the waste water is convenient to recycle.
The present invention in a preferred example may be further configured to: the support frame below is provided with the guide rail, the guide rail sets up along support frame length direction, the support frame slides through the pulley and is connected with the guide rail, be provided with on the support frame and be used for driving the support frame and carry out reciprocating motion's first motor along the guide rail.
Through adopting above-mentioned technical scheme, first motor can drive the support frame along guide rail reciprocating motion to promote the cleaning range of shower, promote spray set's work efficiency, can guarantee simultaneously that spray set can carry out abundant washing to aluminum alloy floor.
The present invention in a preferred example may be further configured to: the upper ends of the two support frames are respectively provided with a cleaning wiper for wiping the plated part, the cleaning wiper is arranged along the length direction of the support frames, the length of the cleaning wiper is the same as that of the support frames, and the upper ends of the support frames are provided with driving mechanisms for moving the cleaning wiper between the two support frames.
Through adopting above-mentioned technical scheme, after spray set finishes washing the aluminum alloy floor, actuating mechanism can drive the cleanness and wipe and remove to between two support frames, from this, promote the aluminum alloy floor when the driving to when taking out the aluminum alloy floor from two support frames, clean wiping can clean the water stain on the aluminum alloy floor surface, can reduce the clear water and to the influence of electroplating solution concentration, thereby guarantee the electroplating quality of aluminum alloy floor preferred.
The present invention in a preferred example may be further configured to: the driving mechanism comprises a second motor fixedly connected with the support frame and a driving assembly connected with the output end of the second motor, the driving assembly comprises two connecting rods arranged in parallel, the two connecting rods are distributed along the length direction of the rail, one end of each connecting rod is rotatably connected with the support frame, and the other end of each connecting rod is rotatably connected with the cleaning wiper; one end of the connecting rod, which is hinged with the support frame, is connected with the output end of the second motor through a connecting shaft;
the four groups of driving mechanisms are respectively arranged at two ends of the two cleaning wipers in the length direction.
By adopting the technical scheme, the parallelogram four-bar mechanism is formed among the two connecting rods, the supporting frames and the cleaning wiper, so that when the motor drives the connecting rods to rotate, the two connecting rods can drive the cleaning wiper to move between the two supporting frames; and can drive the cleaning wiper to return to the upper part of the supporting frame, thereby avoiding the influence on the use of the cleaning wiper caused by the splashing of clear water to the cleaning wiper when the plated part is cleaned.
The present invention in a preferred example may be further configured to: the upper ends of the two support frames are also provided with drying boxes for drying the cleaning wiper, the two drying boxes are covered outside the cleaning wiper, and the opposite side walls of the two drying boxes are provided with openings for the cleaning wiper to pass through.
Through adopting above-mentioned technical scheme, the stoving case can be dried the clean dryness fraction that wipes to guaranteeing that the clean dryness fraction that wipes can normally wipe the water spot on the aluminum alloy floor surface.
The second purpose of the invention is realized by the following technical scheme:
a production process of electroplating copper and nickel and chromium on an aluminum alloy floor comprises the following steps:
1) feeding inspection, wherein whether the blank quality meets the electroplating requirement is inspected;
2) warehousing and storing;
3) the plated part is moved to an electroplating workshop;
4) hanging, namely hanging the plated part below the travelling crane;
5) ultrasonic degreasing, namely placing the plated part in an ultrasonic degreasing tank, wherein the ultrasonic degreasing time is 3-5 min;
6) cleaning, namely respectively washing in a cleaning tank and a spraying device, wherein the washing time of the cleaning tank is not less than 2min, the spraying device sequentially washes the plated part by using cold water and hot water, the water temperature of the hot water is 50-90 ℃, and the washing time of the cold water and the hot water is not less than 2 min;
7) ash removal, wherein an ash removing agent is added into an ash removing groove, the ash removing time is 30-90 s, and the ash removing temperature is 15-35 ℃; the ash remover comprises the raw materials of 1 to 100 parts of oxidant, 1 to 100 parts of fluoride-containing salt, 0.01 to 10 parts of stabilizer, 0.01 to 10 parts of catalyst, 0.01 to 10 parts of cosolvent, 0.01 to 10 parts of scale inhibitor and 1 to 200 parts of water;
8) cleaning, the same as the step 6);
9) zinc deposition, wherein 200-300 parts of water-soluble zinc salt, 100-200 parts of water-soluble nickel salt, 20-30 parts of water-soluble copper salt, 100-250 parts of water-soluble gluconate, 10-50 parts of inorganic acid and 500-900 parts of water are added into a zinc deposition tank, and the zinc deposition time is 60-90 s;
10) cleaning in the same step 6).
By adopting the technical scheme, the aluminum alloy floor can be fully cleaned by the cleaning tank and the spraying device, so that the aluminum alloy floor has higher cleanliness, and the electroplating quality of the aluminum alloy floor can be effectively guaranteed.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the water pump can let in the clear water to the shower for two sets of showers fully wash the both sides face on aluminum alloy floor, fully wash the greasy dirt and the impurity of a surface adhesion that plate, make greasy dirt and impurity and plate a looks break away from, thereby effectively promote and plate a good cleanliness in surface, avoid the impurity greasy dirt to exert an influence to the electroplating process of a piece of plating, thereby guarantee to plate the electroplating quality of a preferred. The high-pressure spray head can enable water sprayed out of the spray pipe to have higher water pressure, so that the spray device is guaranteed to have better washing effect;
2. after the spraying device finishes cleaning the aluminum alloy floor, the driving mechanism can drive the cleaning wiper to move between the two support frames, the cleaning wiper can wipe water stains on the surface of the aluminum alloy floor, the influence of clear water on the concentration of an electroplating solution can be reduced, and the electroplating quality of the better aluminum alloy floor is guaranteed.
Drawings
FIG. 1 is a schematic structural diagram of an aluminum alloy floor copper-nickel-chromium electroplating production line;
FIG. 2 is a structure for showing a shower;
FIG. 3 is a structure for showing a water pump and a clean water tank;
FIG. 4 is a view for showing the connection relationship between the support frame and the guide rail;
fig. 5 is a view for showing the connection relationship between the driving mechanism and the cleaning wipe.
In the figure, 1, track; 2. driving a vehicle; 3. an ultrasonic degreasing tank; 4. a first cleaning tank; 5. an ash removal groove; 6. a second cleaning tank; 7. a zinc precipitation tank; 8. a third wash tank; 9. a spraying device; 91. a support frame; 911. a splash shield; 912. a water collection tank; 913. a pulley; 914. a first motor; 92. a guide rail; 93. a shower pipe; 931. a high pressure spray head; 94. a water pump; 941. a water inlet pipe; 942. a valve; 943. a water outlet pipe; 95. a clear water tank; 951. a cold water tank; 952. a hot water tank; 96. cleaning and wiping; 97. a drive mechanism; 971. a second motor; 972. a gear; 973. a connecting rod; 98. a drying box; 10. and (4) electroplating bath.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1, the invention discloses an aluminum alloy floor copper-nickel-chromium electroplating production line, which comprises a track 1, a travelling crane 2 connected with the track 1 in a sliding manner, and a pretreatment area and an electroplating area which are arranged below the track 1, wherein the pretreatment area and the electroplating area are arranged along the length direction of the track 1. The aluminum alloy floor can be fixed on the travelling crane 2, so that the travelling crane 2 drives the aluminum alloy floor to move along the track 1. The pretreatment area includes that the ultrasonic degreasing groove 3, first washing tank 4, ash removal groove 5, second washing tank 6, heavy zinc bath 7 and third washing tank 8 that set gradually along plating a moving direction all are provided with spray set 9 between first washing tank 4 and the ash removal groove 5 and between second washing tank 6 and the heavy zinc bath 7, and one side that heavy zinc bath 7 was kept away from to third washing tank 8 is provided with spray set 9 equally.
The ultrasonic degreasing tank 3 can clean grease on the surface of the aluminum alloy floor, after degreasing of the aluminum alloy floor is completed, the first cleaning tank 4 can clean the aluminum alloy floor, and the spraying device 9 can wash the aluminum alloy floor and fully clean grease or impurities adhered to the surface of the aluminum alloy floor; the ash removal groove 5 can treat the hanging ash on the surface of the aluminum alloy, and the zinc precipitation groove 7 can precipitate the zinc on the aluminum alloy floor, so that a layer of compact zinc precipitation film is formed on the surface of the aluminum alloy floor, and a good binding force is provided for subsequent copper-nickel-chromium electroplating.
Referring to fig. 2 and 3, the spraying device 9 includes two support frames 91 arranged in parallel and a spraying mechanism connected with the support frames 91, the spraying mechanism includes two groups of spraying pipes 93, a water pump 94 arranged on one side of the support frames 91 and a clean water tank 95 arranged on one side of the water pump 94; the clean water tank 95 comprises a cold water tank 951 and a hot water tank 952, the cold water tank 951 and the hot water tank 952 are both communicated with a water inlet of the water pump 94 through water inlet pipes 941, and valves 942 are arranged on the two water inlet pipes 941 and can respectively control the communication condition between the cold water tank 951 and the hot water tank 952 and the water pump 94; the water outlet of the water pump 94 is communicated with the spray pipe 93 through the water outlet pipe 943, and the water pump 94 can introduce cold water or hot water into the spray pipe 93 so as to wash the aluminum alloy floor.
Referring to fig. 2, two groups of shower pipes 93 are horizontally disposed on opposite side walls of two supporting frames 91, each group of shower pipes 93 includes four branch pipes distributed in a vertical direction, each branch pipe is provided with a plurality of high pressure nozzles 931, and the high pressure nozzles 931 on the two groups of shower pipes 93 are disposed oppositely. The high pressure spray head 931 can spray water flow onto the aluminum alloy floor, thereby cleaning the aluminum alloy floor.
Referring to fig. 4, a guide rail 92 is arranged below each of the two support frames 91, the guide rail 92 is arranged along the length direction of the support frame 91, two pulleys 913 connected with the guide rail 92 in a sliding manner are rotatably connected to the lower end of each support frame 91, a first motor 914 driving the pulleys 913 to rotate is fixedly connected to the support frame 91, and the output end of the first motor 914 is connected with the pulleys 913 through a speed reducer. The second motor 971 can drive the support frame 91 to reciprocate along the length direction of the guide rail 92, so that the spraying mechanism can wash the aluminum alloy floor.
Referring to fig. 2 and 3, a water collection tank 912 is arranged between the two support frames 91, and two side walls of the water collection tank 912 in the length direction are respectively fixedly connected with the two support frames 91; the upper end of the water collecting tank 912 is opened, and when the spray pipe 93 washes the aluminum alloy floor, wastewater flows into the water collecting tank 912 so as to be collected and treated. The equal fixedly connected with splash shield 911 in support frame 91 horizontal direction both ends, splash shield 911 are located between two support frames 91, and splash shield 911 highly matches with the support frame 91 height. Splash shield 911 can shelter from the drop of water that produces when shower 93 washes to avoid the drop of water to splash to the support frame 91 outside and cause environmental pollution.
Referring to fig. 5, the upper ends of the two supporting frames 91 are respectively provided with a cleaning wiper 96, the cleaning wiper 96 is arranged along the length direction of the supporting frames 91, the length of the cleaning wiper 96 is the same as that of the supporting frames 91, and a driving mechanism 97 for driving the cleaning wiper 96 to move from the upper end of the supporting frame 91 to the space between the two supporting frames 91 is arranged between the upper ends of the supporting frames 91 and the cleaning wiper 96. The driving mechanism 97 comprises a second motor 971 fixedly connected with the supporting frames 91 and a driving component, and the second motor 971 is positioned on one side of each of the two supporting frames 91, which is opposite to the supporting frame 91; the driving assembly comprises two connecting rods 973 distributed along the width direction of the supporting frame 91, and the two connecting rods 973 have the same length and are arranged in parallel. One end of the connecting rod 973 is hinged with the upper end of the supporting frame 91, and the other end is hinged with the side wall of the cleaning groove. One of them connecting rod 973 and the articulated one end fixedly connected with connecting axle of support frame 91, the equal fixedly connected with gear 972 of connecting axle and second motor 971 output, two gear 972 intermeshing for second motor 971 can drive connecting rod 973 and rotate, thereby drives the clean 96 removal of wiping.
Referring to fig. 5, each cleaning wipe 96 corresponds to two sets of driving assemblies, and the two sets of driving assemblies are respectively disposed at two ends of the cleaning wipe 96 in the length direction. The four sets of driving mechanisms 97 can drive the cleaning wiper 96 to move stably. After the spraying mechanism washes the aluminum alloy floor, the driving mechanism 97 drives the two cleaning wipers 96 to move between the two supporting frames 91, and the cleaning wipers 96 are abutted to the surface of the aluminum alloy floor. When the travelling crane 2 drives the aluminum alloy floor to move upwards, the cleaning wiper 96 moves relative to the aluminum alloy floor, and the cleaning wiper 96 can wipe water stains adhered to the surface of the aluminum alloy floor.
The cleaning wiper 96 can be made of cloth or sponge with strong water absorption to ensure that the cleaning wiper 96 has strong water absorption and the normal use of the cleaning wiper 96.
Referring to fig. 4, the upper ends of the two supporting frames 91 are further fixedly connected with a drying box 98, the drying box 98 covers the cleaning wiper 96, and the opposite side walls of the two drying boxes 98 are arranged in an opening manner to allow the cleaning wiper 96 to move. The driving assembly is located inside the drying box 98, and the second motor 971 and the gear 972 are located outside the drying box 98. When the cleaning wiper 96 moves into the drying box 98, the drying box 98 can dry the cleaning wiper 96, so as to ensure the dryness of the cleaning wiper 96, and thus ensure the cleaning wiper 96 to have strong water absorption.
Referring to fig. 1, the electroplating area includes a plurality of electroplating baths 10 sequentially arranged along a length direction of the rail 1, and the aluminum alloy floor can be sequentially electroplated with copper, electroplated with nickel, and electroplated with chromium in the plurality of electroplating baths 10, respectively. Thereby completing the electroplating work of the aluminum alloy floor.
The implementation principle of the embodiment is as follows: the driving 2 drives the aluminum alloy floor to move and puts the aluminum alloy floor into the ultrasonic degreasing tank 3 for ultrasonic degreasing, and after the degreasing is finished, the driving 2 puts the aluminum alloy floor into the first cleaning tank 4 for cleaning. After the aluminum alloy floor is cleaned in the first cleaning tank 4, the aluminum alloy floor is continuously cleaned in the spraying device 9. The spraying device 9 sequentially uses cold water and hot water to clean the aluminum alloy floor. When the travelling crane 2 takes the aluminum alloy floor out of the spraying device 9, the cleaning wiper 96 cleans the surface of the aluminum alloy floor.
The travelling crane 2 continues to drive the aluminum alloy floor to move, and the aluminum alloy floor is processed by the ash removal tank 5, the second cleaning tank 6, the spraying device 9, the zinc precipitation tank 7, the third cleaning tank 8 and the spraying device 9 in sequence, so that the pretreatment of the aluminum alloy floor is completed, and the aluminum alloy floor is moved to an electroplating area to be subjected to an electroplating copper nickel chromium process.
Example two:
a production process of electroplating copper and nickel and chromium on an aluminum alloy floor comprises the following steps:
1) feeding inspection, wherein whether the blank quality meets the electroplating requirement is inspected;
2) warehousing and storing;
3) the plated part is moved to an electroplating workshop;
4) hanging, namely hanging the plated part below the travelling crane 2;
5) ultrasonic degreasing, namely placing the plated part in an ultrasonic degreasing tank 3 for 3-5 min;
6) cleaning, namely respectively washing in a cleaning tank and a spraying device 9, wherein the washing time of the cleaning tank is not less than 2min, the spraying device 9 sequentially washes the plated part by using cold water and hot water, the water temperature of the hot water is 50-90 ℃, and the washing time of the cold water and the hot water is not less than 2 min;
7) ash removal, wherein an ash removing agent is added into the ash removal groove 5, the ash removal time is 30-90 s, and the ash removal temperature is 15-35 ℃; the ash remover comprises the raw materials of 1 to 100 parts of oxidant, 1 to 100 parts of fluoride-containing salt, 0.01 to 10 parts of stabilizer, 0.01 to 10 parts of catalyst, 0.01 to 10 parts of cosolvent, 0.01 to 10 parts of scale inhibitor and 1 to 200 parts of water;
8) cleaning, the same as the step 6);
9) zinc deposition, wherein 200-300 parts of water-soluble zinc salt, 100-200 parts of water-soluble nickel salt, 20-30 parts of water-soluble copper salt, 100-250 parts of water-soluble gluconate, 10-50 parts of inorganic acid and 500-900 parts of water are added into a zinc deposition tank 7, and the zinc deposition time is 60-90 s;
10) cleaning in the same step 6).
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The aluminum alloy floor copper-nickel-chromium electroplating production line comprises a track (1), a travelling crane (2) connected with the track (1) in a sliding manner and a pretreatment area arranged below the track (1), wherein the travelling crane (2) is used for driving a plated part to move, and the pretreatment area comprises an ultrasonic degreasing tank (3), a first cleaning tank (4), an ash removal tank (5), a second cleaning tank (6), a zinc precipitation tank (7) and a third cleaning tank (8) which are sequentially arranged along the length direction of the track (1);
the method is characterized in that: spraying devices (9) for cleaning plated parts are arranged between the first cleaning tank (4) and the ash removing tank (5) and between the second cleaning tank (6) and the zinc precipitating tank (7), and the spraying device (9) is also arranged on one side of the third cleaning tank (8) far away from the zinc precipitating tank (7); the spraying device (9) comprises two oppositely arranged support frames (91) and a spraying mechanism connected with the support frames (91); a space for placing the plated part is reserved between the two support frames (91).
2. The aluminum alloy floor electro-coppering nickel-chromium production line of claim 1 is characterized in that: the spraying mechanism comprises two groups of spraying pipes (93), a water pump (94) arranged on one side of the support frame (91) and a clear water tank (95) arranged on one side of the support frame (91), the two groups of spraying pipes (93) are respectively arranged on two opposite side walls of the two support frames (91), each group of spraying pipes (93) is provided with a high-pressure spray head (931), and the two groups of high-pressure spray heads (931) are oppositely arranged; the water outlet of the water pump (94) is communicated with the spray pipe (93) through a water outlet pipe (943), and the water inlet of the water pump (94) is communicated with the clear water tank (95) through a water inlet pipe (941);
each group of the spraying pipes (93) comprises a plurality of branch pipes which are distributed along the vertical direction, and the branch pipes are arranged in parallel; the high-pressure spray head (931) is provided with a plurality of high-pressure spray heads (931) which are uniformly distributed on the branch pipes.
3. The aluminum alloy floor electro-coppering nickel-chromium production line of claim 2 is characterized in that: both ends of the supporting frames (91) in the length direction are fixedly connected with splash guards (911), and the splash guards (911) are arranged between the two supporting frames (91).
4. The aluminum alloy floor electro-coppering nickel-chromium production line of claim 2 is characterized in that: clear water tank (95) include cold water tank (951) and set up hot-water tank (952) in cold water tank (951) one side, inlet tube (941) is provided with two, two inlet tube (941) one end all communicates with water pump (94), two the other end of inlet tube (941) is linked together with cold water tank (951) and hot-water tank (952) respectively, two all be provided with valve (942) on inlet tube (941).
5. The aluminum alloy floor electro-coppering nickel-chromium production line of claim 1 is characterized in that: support frame (91) below sets up header tank (912), header tank (912) are located between two support frames (91), header tank (912) length is put the direction both sides wall and is respectively with two support frames (91) fixed connection.
6. The aluminum alloy floor electro-coppering nickel-chromium production line of claim 1 is characterized in that: support frame (91) below is provided with guide rail (92), guide rail (92) set up along support frame (91) length direction, support frame (91) are passed through pulley (913) and are slided with guide rail (92) and be connected, be provided with on support frame (91) and be used for driving support frame (91) and carry out reciprocating motion along guide rail (92) first motor (914).
7. The aluminum alloy floor electro-coppering nickel-chromium production line of claim 1 is characterized in that: the upper ends of the two support frames (91) are respectively provided with a cleaning wiper (96) used for wiping a plated part, the cleaning wipers (96) are arranged along the length direction of the support frames (91), the length of each cleaning wiper (96) is the same as that of each support frame (91), and the upper ends of the support frames (91) are provided with driving mechanisms (97) used for moving the cleaning wipers (96) between the two support frames (91).
8. The aluminum alloy floor electro-coppering nickel-chromium production line of claim 7 is characterized in that: the driving mechanism (97) comprises a second motor (971) fixedly connected with the support frame (91) and a driving assembly connected with the output end of the second motor (971), the driving assembly comprises two connecting rods (973) arranged in parallel, the two connecting rods (973) are distributed along the length direction of the track (1), one ends of the two connecting rods (973) are rotatably connected with the support frame (91), and the other ends of the two connecting rods (973) are rotatably connected with the cleaning wiper (96); one end of the connecting rod (973) hinged with the support frame (91) is connected with the output end of the second motor (971) through a connecting shaft;
the driving mechanisms (97) are provided with four groups, and the four groups of driving mechanisms (97) are respectively arranged at two ends of the two cleaning wipers (96) in the length direction.
9. The aluminum alloy floor electro-coppering nickel-chromium production line of claim 8 is characterized in that: the upper ends of the two supporting frames (91) are also provided with drying boxes (98) used for drying the cleaning wiper (96), the two drying boxes (98) are covered on the outer side of the cleaning wiper (96), and the opposite side walls of the two drying boxes (98) are provided with openings for the cleaning wiper (96) to pass through.
10. An aluminum alloy floor electroplating copper nickel chromium production process applied to the electroplating production line of any one of claims 1 to 9, which is characterized in that: the method comprises the following steps:
1) feeding inspection, wherein whether the blank quality meets the electroplating requirement is inspected;
2) warehousing and storing;
3) the plated part is moved to an electroplating workshop;
4) hanging, namely hanging the plated part below the travelling crane (2);
5) ultrasonic degreasing, namely placing the plated part in an ultrasonic degreasing tank (3), wherein the ultrasonic degreasing time is 3-5 min;
6) washing, namely washing in a washing tank and a spraying device (9) respectively, wherein the washing time of the washing tank is not less than 2 min; the spraying device (9) sequentially uses cold water and hot water to wash the plated part, the temperature of the hot water is 50-90 ℃, and the washing time of the cold water and the washing time of the hot water are not less than 2 min;
7) ash removal, wherein an ash removing agent is added into the ash removal groove (5), the ash removal time is 30-90 s, and the ash removal temperature is 15-35 ℃; the ash remover comprises the raw materials of 1 to 100 parts of oxidant, 1 to 100 parts of fluoride-containing salt, 0.01 to 10 parts of stabilizer, 0.01 to 10 parts of catalyst, 0.01 to 10 parts of cosolvent, 0.01 to 10 parts of scale inhibitor and 1 to 200 parts of water;
8) cleaning, the same as the step 6);
9) zinc deposition, wherein 300 parts of 200-200 parts of water-soluble zinc salt, 200-200 parts of water-soluble nickel salt, 20-30 parts of water-soluble copper salt, 250 parts of water-soluble gluconate, 10-50 parts of inorganic acid and 900 parts of water are added into a zinc deposition tank (7), and the zinc deposition time is 60-90 s;
10) cleaning in the same step 6).
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| CN112871829A (en) * | 2020-12-30 | 2021-06-01 | 深圳市鼎业电子有限公司 | Integrated automatic electroplating cleaning machine for circuit board manufacturing |
| CN113118119A (en) * | 2021-05-19 | 2021-07-16 | 湖北蓝华铝业有限公司 | Aluminum profile surface mirror surface pretreatment device |
| CN114345802A (en) * | 2021-12-29 | 2022-04-15 | 安徽环嘉天一再生资源有限公司 | Multistage cleaning equipment for recycled plastic bottle flakes and working method thereof |
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