CN109628970A - A kind of zinc-plated processing technique of fastener - Google Patents
A kind of zinc-plated processing technique of fastener Download PDFInfo
- Publication number
- CN109628970A CN109628970A CN201910072176.0A CN201910072176A CN109628970A CN 109628970 A CN109628970 A CN 109628970A CN 201910072176 A CN201910072176 A CN 201910072176A CN 109628970 A CN109628970 A CN 109628970A
- Authority
- CN
- China
- Prior art keywords
- pickling
- spray
- fastener
- zinc
- washing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/22—Electroplating: Baths therefor from solutions of zinc
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention proposes a kind of zinc-plated processing techniques of fastener, the specific steps are as follows: S1. oil removing: fastener being put into oil-removing area and carries out electrochemical degreasing, grease is thoroughly eliminated；S2. hot water wash: the attachment of fastener surface is tentatively cleaned after oil removing by hot water wash process, then natural air drying；S3. pickling processes: fastener is transported in pickling drying integrated device and carries out pickling processes, fastener successively passes through pickling, white picking, washing, a drying；S4. zinc-plated processing: fastener is completely submerged in the zinc that temperature is 25 ± 5 DEG C, concentration is 9-12g/L and is carried out in the sodium hydroxide mixed solution that concentration is 110-130g/L zinc-plated.Using second level pickling to electroplating technology is carried out after product surface processing, good product quality is able to solve the easy problem of rustiness of fastening bolt, improves the corrosion resistance of fastening bolt the technique.
Description
[technical field]
The present invention relates to the technical field of fastener surface processing, the zinc-plated processing techniques of especially a kind of fastener.
[background technique]
Fastener is widely used in the every field in life, and being fixedly connected including mechanical structure, building structure are consolidated
Fixed connection etc., most common fastener is bolt in machinery, and bolt is made of nut and screw, and fastening bolt surface is various
It in heat treatment, machining, transport and management process, is inevitably oxidized, generates the oxide layer of thickness unevenness.
Fastening bolt after use, is easily got rusty, and causes disassembly difficult, serious to be broken, and causes safety accident.Zinc coat is to steel
It is typical anode coating for fastener, it plays electro-chemical protection to matrix, since it is more stable in an atmosphere,
And cost is relatively low, so being widely used in the anti-corrosion of fastener, it is proposed that a kind of zinc-plated processing of fastener
Technique.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, a kind of zinc-plated processing technique of fastener, energy are proposed
The easy problem of rustiness for enough solving fastening bolt, improves the corrosion resistance of fastening bolt.
To achieve the above object, the invention proposes a kind of zinc-plated processing techniques of fastener, the specific steps are as follows:
S1. oil removing: fastener is put into oil-removing area and carries out electrochemical degreasing, grease is thoroughly eliminated；
S2. hot water wash: tentatively clean the attachment of fastener surface by hot water wash process after oil removing, then naturally
It air-dries；
S3. pickling processes: fastener is transported in pickling drying integrated device and carries out pickling processes, fastener successively passes through
Cross pickling, white picking, washing, a drying；
S4. zinc-plated processing: fastener is completely submerged in temperature is 25 ± 5 DEG C, concentration is 9-12g/L zinc and concentration is
It is carried out in the sodium hydroxide mixed solution of 110-130g/L zinc-plated.
Preferably, in the step S3 pickling processes time be 35-60s, the solution of a pickling is by weight
Part meter is made of following component: 10 parts of hydrofluoric acid, 9 parts of nitric acid, 100 parts of water.
Preferably, the time that white picking is handled in the step S3 is 20-35s, the solution of a pickling is by weight
Part meter is made of following component: 5 parts of hydrofluoric acid, 6 parts of nitric acid, 100 parts of water.
Preferably, the pickling drying integrated device in the step S3 for pickling processes includes transmission device, pickling
Room, the first spray pickling device, the second spray pickling device, washing spray device, poking device and hothouse, the transmission dress
The conveying direction set is successively arranged pickling room and hothouse, and the top of the pickling room is successively set along the conveying direction of transmission device
There are the first spray pickling device, the second spray pickling device, washing spray device, is evenly equipped in the spray pickling device several
A first acid solution spray head, the first spray pickling device, the structure of the second spray pickling device are identical, the washing spray
Length direction on device along transmission device is evenly equipped in the spray group and air blast group being spaced apart, the top of the transmission device
If there are two poking device, two poking devices be located at the first spray pickling device and the second spray pickling device,
Between second spray pickling device and washing spray device, the poking device is equipped with material toggling hairbrush roller mechanism, the drying
The top of room is evenly equipped with several third blast pipes.
Preferably, the both ends of the spray pickling device are symmetrically arranged with several the first drums being connected with the first air blower
Air hose, the spray pickling device further include the first liquid supply box being connected with the first acid solution spray head, the lower part of the pickling room
Equipped with collecting tank, be equipped with several partitions in the collecting tank, the partition by collecting tank be divided into successively with the first spray acid
One-to-one three groove bodies of cleaning device, the second spray pickling device, washing spray device, in the collecting tank and spray pickling
The bottom of the corresponding groove body of device is connected with the first liquid outlet pipe, and electric heater unit is equipped in first liquid supply box and is used for
The input terminal of first coiled pipe of Waste Heat Recovery, first coiled pipe is connected with the first liquid outlet pipe, first coiled pipe
Output end be connected with the first devil liquor recovery case.
Beneficial effects of the present invention: the present invention carries out electroplating technology, product after handling using second level pickling product surface
It is high-quality, it is able to solve the easy problem of rustiness of fastening bolt, improves the corrosion resistance of fastening bolt, wherein pickling processes are using acid
It washes drying integrated device to handle fastener, primary pickling, second level pickling, washing, drying can be sequentially completed, effectively
Production efficiency is improved, wherein carrying out white picking using two spray pickling devices, guarantees pickling effect, utilizes poking device pair
Material is stirred, and can be improved pickling, water washing effect, and is equipped with corresponding blast pipe, and impurity can be assisted to be detached from time tightly
Firmware drops into collecting tank from through-hole uniformly distributed on transmission device with waste liquid, and by coiled pipe to the waste heat of waste liquid again
Secondary utilization, heats pickling solution, improves the utilization rate of resource.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is pickling drying integrated apparatus structure signal in a kind of step S3 of the zinc-plated processing technique of fastener of the present invention
Figure；
Fig. 2 is the first spray of pickling drying integrated device in a kind of step S3 of the zinc-plated processing technique of fastener of the present invention
Drench the partial structure diagram of acid dip pickle；
Fig. 3 is the water washing spray of pickling drying integrated device in a kind of step S3 of the zinc-plated processing technique of fastener of the present invention
The partial structure diagram of shower device；
Fig. 4 is the material toggling dress of pickling drying integrated device in a kind of step S3 of the zinc-plated processing technique of fastener of the present invention
The schematic diagram set；
Fig. 5 is the hothouse of pickling drying integrated device in a kind of step S3 of the zinc-plated processing technique of fastener of the present invention
Schematic diagram.
[specific embodiment]
A kind of zinc-plated processing technique of fastener of the present invention, the specific steps are as follows:
S1. oil removing: fastener is put into oil-removing area and carries out electrochemical degreasing, grease is thoroughly eliminated；
S2. hot water wash: tentatively clean the attachment of fastener surface by hot water wash process after oil removing, then naturally
It air-dries；
S3. pickling processes: fastener is transported in pickling drying integrated device and carries out pickling processes, fastener successively passes through
Pickling, white picking, washing, a drying are crossed, the time of a pickling processes is 35-60s, and the solution of a pickling is by weight
Part meter is made of following component: 10 parts of hydrofluoric acid, 9 parts of nitric acid, 100 parts of water；The time of white picking processing is 20-35s, once
The solution of pickling is made of following component by weight: 5 parts of hydrofluoric acid, 6 parts of nitric acid, 100 parts of water；
S4. zinc-plated processing: fastener is completely submerged in temperature is 25 ± 5 DEG C, concentration is 9-12g/L zinc and concentration is
It is carried out in the sodium hydroxide mixed solution of 110-130g/L zinc-plated.
Refering to fig. 1 to 5, the pickling drying integrated device in the step S3 for pickling processes includes transmission device 1, acid
Chamber wash 2, the first spray pickling device 3, the second spray pickling device 4, washing spray device 5, poking device 6 and hothouse 7, institute
The conveying direction for stating transmission device 1 is successively arranged pickling room 2 and hothouse 7, and the top of the pickling room 2 is along transmission device 1
Conveying direction is successively arranged the first spray pickling device 3, the second spray pickling device 4, washing spray device 5, the spray acid
Several the first acid solution spray heads 31, the first spray pickling device 3, the second spray pickling device 4 are evenly equipped in cleaning device 3
Structure it is identical, the length direction on the washing spray device 5 along transmission device 1 is evenly equipped in the spray group 51 that is spaced apart
With air blast group 52, the top of the transmission device 1 is set there are two poking device 6, and two poking devices 6 are located at first
Between spray pickling device 3 and the second spray pickling device 4, the second spray pickling device 4 and washing spray device 5, described group
Expect that device 6 is equipped with material toggling hairbrush roller mechanism 62, the top of the hothouse 7 is evenly equipped with several third blast pipes 74.It is described
The both ends of spray pickling device 3 are symmetrically arranged with several the first blast pipes 32 being connected with the first air blower, the spray pickling
Device 3 further includes the first liquid supply box 30 being connected with the first acid solution spray head 31, and the lower part of the pickling room 2 is equipped with collecting tank
20, the collecting tank 20 is interior to be equipped with several partitions 201, and collecting tank 20 is divided by the partition 201 successively to be sprayed with first
5 one-to-one three acid dip pickle 3, the second spray pickling device 4, washing spray device groove bodies, in the collecting tank 20 with
The bottom of the corresponding groove body of spray pickling device 3 is connected with the first liquid outlet pipe 300, is equipped with electricity in first liquid supply box 30
Heating device and the first coiled pipe for Waste Heat Recovery, input terminal and 300 phase of the first liquid outlet pipe of first coiled pipe
Even, the output end of first coiled pipe is connected with the first devil liquor recovery case 301.
Further, the washing spray device 5 further includes the water feeding tank 50 being connected with spray group 51, the air blast group 52
Including the second blast pipe that several are connected with the second air blower, the bottom of the 5 lower section groove body of washing spray device passes through the
Two liquid outlet pipes are connected with the second devil liquor recovery case 501.The poking device 6 further includes the first support frame 61, the material toggling hair
Brush roll mechanism 62 is mounted on the first support frame 61, and the material toggling hairbrush roller mechanism 62 is connected with driving motor, the material toggling hair
The circumferential direction of brush roll mechanism 62 is evenly equipped with several groups brush member 63.The hothouse 7 further include bellows 71, third air blower 72,
Main air duct 73, the tops of the bellows 71 are equipped with third air blower 72, one end of the third air blower 72 by pipeline 720 with
The end of bellows 71 is connected, and the other end of the third air blower 72 is connected by pipeline 720 with main air duct 73, the main air duct
73 are connected by shunt conduit with third blast pipe 74, and it is auxiliary that the lower part of the hothouse 7 is equipped with first communicated with collecting tank 20
Help slot 202.
The course of work of the present invention:
A kind of zinc-plated processing technique of fastener of the present invention will be tight wherein during the work of pickling drying integrated device
Firmware is fed from the input terminal of transmission device 1, under the conveying of transmission device 1, successively by the first spray pickling device 3, the
The lower section of two spray pickling devices 4, washing spray device 5, complete pickling and washing after from, carried out into hothouse it is air-dried, most
The output end of whole transmission device 1 is discharged, wherein carrying out white picking using two spray pickling devices, can guarantee that pickling is imitated
Fruit, during material toggling hairbrush roller mechanism 62 rotates, brush member 63 can stir material, can be improved pickling, washing
Effect, and it is equipped with corresponding blast pipe, impurity can be assisted to be detached from fastener in time and led to waste liquid is uniformly distributed from transmission device 1
It drops into hole in collecting tank 20, and the waste heat of waste liquid is utilized again by coiled pipe, pickling solution is heated, improve
The utilization rate of resource.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention
Scheme all belong to the scope of protection of the present invention.
Claims (5)
1. a kind of zinc-plated processing technique of fastener, it is characterised in that: specific step is as follows:
S1. oil removing: fastener is put into oil-removing area and carries out electrochemical degreasing, grease is thoroughly eliminated；
S2. hot water wash: the attachment of fastener surface is tentatively cleaned after oil removing by hot water wash process, then natural wind
It is dry；
S3. pickling processes: fastener is transported in pickling drying integrated device and carries out pickling processes, fastener successively passes through one
Secondary pickling, white picking, washing, drying；
S4. zinc-plated processing: it is 110- that fastener, which is completely submerged in temperature is 25 ± 5 DEG C, concentration is 9-12g/L zinc and concentration,
It is carried out in the sodium hydroxide mixed solution of 130g/L zinc-plated.
2. a kind of zinc-plated processing technique of fastener as described in claim 1, it is characterised in that: a hypo acid in the step S3
The time for washing processing is 35-60s, and the solution of a pickling is made of following component by weight: 10 parts of hydrofluoric acid, nitric acid 9
Part, 100 parts of water.
3. a kind of zinc-plated processing technique of fastener as described in claim 1, it is characterised in that: quadratic acid in the step S3
The time for washing processing is 20-35s, and the solution of a pickling is made of following component by weight: 5 parts of hydrofluoric acid, nitric acid 6
Part, 100 parts of water.
4. a kind of zinc-plated processing technique of fastener as described in claim 1, it is characterised in that: for acid in the step S3
The pickling drying integrated device for washing processing includes transmission device (1), pickling room (2), the first spray pickling device (3), the second spray
Drench acid dip pickle (4), washing spray device (5), poking device (6) and hothouse (7), the conveying side of the transmission device (1)
To being successively arranged pickling room (2) and hothouse (7), the top of the pickling room (2) along transmission device (1) conveying direction successively
Equipped with the first spray pickling device (3), the second spray pickling device (4), washing spray device (5), the spray pickling device
(3) several the first acid solution spray heads (31), the first spray pickling device (3), the second spray pickling device are evenly equipped in
(4) structure is identical, and it is in be spaced apart that the length direction on the washing spray device (5) along transmission device (1), which is evenly equipped with,
Spray group (51) and air blast group (52), set that there are two poking device (6), two material togglings above the transmission device (1)
Device (6) be located at the first spray pickling device (3) and the second spray pickling device (4), the second spray pickling device (4) with
Between washing spray device (5), the poking device (6) be equipped with material toggling hairbrush roller mechanism (62), the hothouse (7) it is upper
Portion is evenly equipped with several third blast pipes (74).
5. a kind of zinc-plated processing technique of fastener as claimed in claim 4, it is characterised in that: the spray pickling device
(3) both ends are symmetrically arranged with several the first blast pipes (32) being connected with the first air blower, and the spray pickling device (3) is also
Including the first liquid supply box (30) being connected with the first acid solution spray head (31), the lower part of the pickling room (2) is equipped with collecting tank
(20), several partitions (201) are equipped in the collecting tank (20), collecting tank (20) is divided into successively by the partition (201)
With the first spray pickling device (3), the second spray pickling device (4), one-to-one three groove bodies of washing spray device (5),
The bottom of groove body corresponding with spray pickling device (3) is connected with the first liquid outlet pipe (300), institute in the collecting tank (20)
State and be equipped with electric heater unit and the first coiled pipe for Waste Heat Recovery in the first liquid supply box (30), first coiled pipe it is defeated
Enter end to be connected with the first liquid outlet pipe (300), the output end of first coiled pipe is connected with the first devil liquor recovery case (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910072176.0A CN109628970A (en) | 2019-01-25 | 2019-01-25 | A kind of zinc-plated processing technique of fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910072176.0A CN109628970A (en) | 2019-01-25 | 2019-01-25 | A kind of zinc-plated processing technique of fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109628970A true CN109628970A (en) | 2019-04-16 |
Family
ID=66063666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910072176.0A Withdrawn CN109628970A (en) | 2019-01-25 | 2019-01-25 | A kind of zinc-plated processing technique of fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109628970A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042406A (en) * | 2019-06-04 | 2019-07-23 | 河北天创管业有限公司 | A kind of zinc-plated preceding oil removing of handware and pickler |
| CN110625337A (en) * | 2019-09-20 | 2019-12-31 | 江苏永昊高强度螺栓有限公司 | Bolt machining process |
-
2019
- 2019-01-25 CN CN201910072176.0A patent/CN109628970A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042406A (en) * | 2019-06-04 | 2019-07-23 | 河北天创管业有限公司 | A kind of zinc-plated preceding oil removing of handware and pickler |
| CN110042406B (en) * | 2019-06-04 | 2024-02-23 | 河北天创新材料科技有限公司 | Deoiling and pickling equipment before galvanization of hardware |
| CN110625337A (en) * | 2019-09-20 | 2019-12-31 | 江苏永昊高强度螺栓有限公司 | Bolt machining process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101463457B (en) | Method and equipment for hot dip of steel wire | |
| CN108149179B (en) | Hot galvanizing production process for fastener | |
| CN109628970A (en) | A kind of zinc-plated processing technique of fastener | |
| CN109423683A (en) | The finishing system of container and the coating process of container | |
| CN106868508A (en) | A kind of vacuum equipment processing chamber wallboard regeneration treating method | |
| CN106947962A (en) | A kind of salt-free acid pickling and rust removing method for bonderizing of hot rolling wire rod | |
| CN107447175A (en) | A kind of zinc-plated pre-treatment section acid dip pickle | |
| CN109663780A (en) | A kind of fastener scouring drying integrated device | |
| CN210230877U (en) | Belt cleaning device is used in hot-galvanize processing | |
| CN215404517U (en) | Panel phosphorization device | |
| CN210255602U (en) | A high-efficient rust cleaning device for steel pipe | |
| CN204866743U (en) | Brush steel pipe belt cleaning device of running roller | |
| CN106435535B (en) | A kind of high temperature plating solution cloth of coating-type chemical plating repairs platform online | |
| CN109234722A (en) | A kind of copper strip surface treatment process | |
| CN209722318U (en) | Acid dip pickle is used in a kind of processing of steel plate lacquer | |
| CN105648452B (en) | Steel pipe degreasing process | |
| CN209338663U (en) | A kind of thin specification rope making steel wire of medium high carbon is at heat treatment acid washing phosphorization equipment | |
| CN209974900U (en) | A acid dip pickle for fastener | |
| CN215142642U (en) | Flaw-piece steam cleaning equipment for silicon rod | |
| CN210085591U (en) | Can realize pipe fitting rust cleaning, integrated device that sprays paint | |
| CN101987395A (en) | Steel belt texturing method for steel belt reinforced polyethylene helical bellow | |
| CN110328083B (en) | Fastener dacromet production line | |
| CN208803149U (en) | A kind of two cleaning devices of steel band pickling washing | |
| CN107502914A (en) | A kind of device and its processing method of the continuous confining surface processing of ultralong steel tube | |
| CN107999459B (en) | Stone pickling equipment and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190416 |
|
| WW01 | Invention patent application withdrawn after publication |