CN114855109A - Foldable scooter frame galvanizing process - Google Patents
Foldable scooter frame galvanizing process Download PDFInfo
- Publication number
- CN114855109A CN114855109A CN202210605095.4A CN202210605095A CN114855109A CN 114855109 A CN114855109 A CN 114855109A CN 202210605095 A CN202210605095 A CN 202210605095A CN 114855109 A CN114855109 A CN 114855109A
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- China
- Prior art keywords
- galvanizing
- zinc
- hanger
- assistant agent
- frame
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Links
- 238000005246 galvanizing Methods 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 57
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 109
- 239000011701 zinc Substances 0.000 claims abstract description 109
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 109
- 239000007788 liquid Substances 0.000 claims abstract description 69
- 238000007747 plating Methods 0.000 claims abstract description 49
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 46
- 238000007790 scraping Methods 0.000 claims abstract description 17
- 238000005406 washing Methods 0.000 claims abstract description 16
- 239000002253 acid Substances 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 239000002893 slag Substances 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 25
- 238000004544 sputter deposition Methods 0.000 abstract description 6
- 230000003044 adaptive effect Effects 0.000 abstract description 2
- 238000012805 post-processing Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 15
- 230000000694 effects Effects 0.000 description 11
- 239000000463 material Substances 0.000 description 9
- 229910052742 iron Inorganic materials 0.000 description 7
- 238000009434 installation Methods 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000002791 soaking Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
Classifications
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- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/003—Apparatus
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/26—After-treatment
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating With Molten Metal (AREA)
- Chemically Coating (AREA)
Abstract
The invention belongs to the technical field of galvanization, and particularly discloses a foldable scooter frame galvanization process, which at least comprises the following steps: performing pretreatment, namely performing acid washing and water washing on the scooter frame in sequence; plating assistant agent treatment, namely coating the plating assistant agent on the surface of the scooter frame after the forward treatment; galvanizing, namely immersing the scooter frame into zinc liquid according to a path of a preset track; the action of immersing each group of the scooter frames into the zinc liquid can drive the scraping and cleaning of the surface of the zinc liquid; post-processing, namely passivating and cooling the galvanized scooter frame; the blanking mode can reduce the amount of bubbles generated by the direct action of the sliding plate frame on the zinc liquid, reduce the sputtering of the zinc liquid in the blanking process and ensure the safety and the product quality of the galvanizing process; meanwhile, the impurities on the zinc liquid can be cleaned in time in the adaptive ash scraping process, and the influence on the galvanizing quality of the frame is avoided.
Description
Technical Field
The invention relates to the technical field of galvanizing, in particular to a galvanizing process for a foldable scooter frame.
Background
The scooter frame needs to be subjected to galvanizing process treatment in the preparation process so as to improve the corrosion resistance and enhance the uniform smoothness of the surface of the scooter frame; hot dip galvanizing, also known as hot dip galvanizing, is a very good method of coating, in which a scooter frame is immersed into liquid zinc at a temperature of 440 ℃ -465 ℃ after physical and chemical treatment, in which process the steel substrate reacts with the zinc liquid to form a Zn-Fe layer, a pure zinc layer and cover the entire surface of the steel workpiece; the galvanized surface has certain toughness, can resist large friction and impact, and is well combined with a base body, so that the prepared scooter frame has better corrosion resistance and wear resistance, and meanwhile, the zinc has good extensibility, so that the galvanized scooter frame is not easy to cause damage to a galvanized layer in subsequent cold punching, rolling, wire drawing, bending and other various forming processes, and has better applicability.
In the process of galvanizing, floating zinc dross and zinc ash are generated on the surface of the zinc liquid, so that the surface of the zinc liquid needs to be subjected to ash scraping treatment regularly to avoid the zinc dross and the zinc ash from being attached to a workpiece to influence the galvanizing quality and appearance of the workpiece, and meanwhile, the falling speed of the workpiece immersed into the zinc liquid needs to be controlled to avoid the sputtering of the zinc liquid from causing adverse effects on the operating environment and the galvanizing quality of the workpiece.
The ash scraping treatment in the prior art mainly adopts a timing cleaning mode, the treatment is carried out after a certain amount of zinc ash is accumulated on the surface of zinc liquid, and the frequency of the ash scraping treatment needs to be increased to improve the surface quality of galvanization, which obviously influences the galvanization efficiency; meanwhile, the blanking mode in the existing galvanizing process mainly adopts a mode from top to bottom, the blanking mode has no great influence on a workpiece with a small volume, but for a galvanized workpiece with a large volume like a scooter frame, the falling speed of the workpiece needs to be strictly controlled so as to avoid potential safety hazards caused by the fact that the workpiece is immersed in a zinc liquid, and meanwhile, the blanking mode is easy to generate more bubbles to influence the galvanizing quality.
Disclosure of Invention
The invention aims to provide a foldable scooter frame galvanizing process, which solves the following technical problems:
how to improve the galvanized surface quality of the scooter frame and ensure the safety of the galvanizing process.
The purpose of the invention can be realized by the following technical scheme:
a galvanization process of a foldable scooter frame at least comprises the following steps:
performing pretreatment, namely performing acid washing and water washing on the scooter frame in sequence;
plating assistant agent treatment, namely coating the plating assistant agent on the surface of the scooter frame after the forward treatment;
galvanizing, namely immersing the scooter frame into zinc liquid according to a path of a preset track; the action of immersing each group of the scooter frames into the zinc liquid can drive the scraping and cleaning of the surface of the zinc liquid;
and (4) post-treatment, namely passivating and cooling the galvanized scooter frame.
In one embodiment, the galvanizing step is completed by a galvanizing processing working line;
the galvanizing treatment working line comprises a hanger, a hanging track, a driving chain and a galvanizing pool;
the hanging tool is connected to the hanging track in a sliding mode and used for hanging the sliding plate frame;
the hanging tool is connected with the driving chain and moves under the driving of the driving chain;
a scraping plate is arranged at the opening of the galvanizing pool in a sliding manner and is subjected to elastic restoring force;
a sliding groove is formed below the driving chain, a sliding block is arranged in the sliding groove, and the material hanging rail is downwards sunken at the relative position of the galvanizing bath;
when the hanger moves to the corresponding position of the sliding groove, the sliding block is driven to move;
be provided with the cable subassembly between sliding block and the scraper blade, the sliding block passes through the cable subassembly and drives the scraper blade removal.
In one embodiment, the hanger comprises a fixed part and a rotating part which is rotatably connected with the fixed part;
the fixed part is connected with the hanging track and the driving chain, and a contact block is arranged on the fixed part;
when the hanger moves to the position corresponding to the sliding groove, the contact block is abutted with the sliding block;
the sliding plate frame is hung on the rotating part, and when the hanger is placed at a specific depth position of the zinc liquid, the rotating part rotates under the action of driving force.
In one embodiment, the galvanizing processing working line further comprises a rotating toggle chain; the rotating part is provided with a poking block;
when the hanging tool reaches the bottom of the concave part of the hanging material track, the stirring chain and the stirring block on the hanging tool are at the same height, and the stirring chain drives the rotating part to rotate through the stirring block.
In one embodiment, the rotating portion is provided with a blade.
In one embodiment, a plurality of slag removing pipes are arranged in the galvanizing pool;
the deslagging pipe is used for adsorbing zinc slag in the zinc liquid.
The slag removal pipe comprises a temperature-resistant sleeve;
a heat insulation pipe is arranged in the temperature-resistant sleeve, and an electromagnetic assembly is arranged between the temperature-resistant sleeve and the heat insulation pipe;
the heat insulation pipe is internally provided with a filter residue pipe, and the inner surface of the filter residue pipe is provided with a groove seam.
In one embodiment, the plating assistant agent treatment step is:
firstly, a workpiece is immersed into a plating assistant agent;
and fishing out and then spraying the plating assistant agent.
In one embodiment, the plating assistant agent treatment step is completed by a galvanizing treatment working line;
the galvanizing treatment working line also comprises a plating assistant agent groove and a plating assistant agent sprayer;
the hanging track is downwards sunken at the opposite position of the plating assistant agent groove;
the liquid inlet end of the plating assistant agent sprayer is communicated with the plating assistant agent groove through a filtering device.
In one embodiment, a zinc nodule treatment step is further performed before the post-treatment step;
the step of treating the zinc nodules is completed through a galvanizing treatment working line;
the galvanizing treatment working line also comprises a vibrator;
when the hanging tool moves to a zinc nodule treatment position point, the vibrator is contacted with the hanging tool;
and the vibrator transmits the vibration of the hanger to realize the treatment of the zinc nodules on the surface of the scooter frame.
The invention has the beneficial effects that:
(1) the blanking mode can reduce the amount of bubbles generated by the direct action of the sliding plate frame on the zinc liquid, reduce the sputtering of the zinc liquid in the blanking process and ensure the safety and the product quality of the galvanizing process; meanwhile, the impurities on the zinc liquid can be cleaned in time in the adaptive ash scraping process, and the influence of the zinc ash and the zinc slag on the surface of the zinc liquid on the galvanizing quality of the frame is avoided.
(2) According to the invention, the rotating part rotates integrally and the effect of improving the liquidity of the zinc liquid is realized by rotating the workpiece under the action of the blades.
(3) According to the invention, the deslagging pipes are arranged in the galvanizing bath, so that zinc slag in the zinc liquid is adsorbed by the deslagging pipes, impurities in the zinc liquid can be removed in time, the fluidity of the zinc liquid is improved, and the quality of the galvanized workpiece is ensured.
(4) According to the invention, the groove is formed in the inner surface of the filter residue pipe, so that when iron-containing impurities are adsorbed into the groove under the action of magnetic force, the effect of separating the impurities from adsorption caused by zinc liquid flow can be effectively avoided, and the structure of the filter residue pipe is utilized to improve the impurity filtering efficiency.
(5) The method adopts a mode of soaking and then washing, so that impurities on the surface can be washed away in a washing mode while the scooter frame is in full contact with the plating assistant solution, and the galvanizing quality of the scooter frame is further improved.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a process flow diagram of the present invention for galvanization of a skateboard frame;
FIG. 2 is a schematic view of a galvanizing line according to the present invention;
FIG. 3 is an enlarged view of a portion of the area A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic view of the scraper blade arrangement connection of the present invention;
FIG. 5 is a schematic view of the slider and squeegee drive of one embodiment of the invention;
FIG. 6 is a schematic view of the structure of the toggle chain and the toggle block of the present invention;
FIG. 7 is a schematic view of the overall structure of the deslagging pipe of the invention;
FIG. 8 is a side cross-sectional view of the slag removal pipe of the present invention.
Description of the drawings: 1. a hanger; 11. a fixed part; 12. a rotating part; 13. a shifting block; 14. a blade; 2. hanging a material rail; 3. a drive chain; 4. a galvanizing pool; 5. a squeegee; 6. a sliding groove; 7. a slider; 8. shifting the chain; 9. a deslagging pipe; 91. an outer sleeve; 92. a slag filtering pipe; 93. an electromagnetic assembly; 94. a heat insulating pipe; 10. a plating assistant agent tank; 101. a plating assistant agent sprayer; 102. and (4) a filtering device.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, in an embodiment of the present invention, a galvanizing process is provided for a foldable scooter frame, the galvanizing process is performed by a hot galvanizing method, the scooter frame processed in the previous step is subjected to a pretreatment process, the pretreatment process is important for inspecting and cleaning the frame, whether the frame is deformed or not and the surface of the frame has no adhered dirt, and through the treatment processes of acid washing and water washing, the acid washing process mainly performs a rust removal function on the scooter frame, because the surface of the scooter frame processed in the previous step is completely exposed to air, the problems of micro oxidation and rust can occur, through the acid washing process, the rust on the surface can be removed, and the water washing function is to remove acid liquor remaining on the surface of the scooter frame after acid washing, so as to avoid influencing subsequent operations.
After the pretreatment is finished, the scooter frame is treated by the plating assistant agent, the plating assistant agent for common galvanization is ZnCl2 & 2NH4Cl, when the frame coated with the plating assistant agent is put into a zinc liquid, the plating assistant agent is heated and decomposed, the air wave generated in the process can remove impurities such as zinc oxide, carbon black particles and the like on the zinc liquid, and the plating assistant agent can also reduce the problem of micro oxidation before galvanization of the frame.
In the galvanizing process, the scooter frame in the embodiment enters the zinc liquid in a lateral sliding mode, and the specific sliding path is determined according to the preset track.
Simultaneously, the scooter frame in this embodiment is when getting into the zinc liquid, scraper blade 5 that 4 tops in zinc liquid pond set up can link mutually with the removal transportation process of frame, therefore, when scooter frame entered into the zinc liquid at every turn, scraper blade 5 all can scrape grey processing to the surface of zinc liquid, and then make impurity on the zinc liquid can in time be cleared up the one side that the scooter frame can not contact, impurity such as dregs of zinc attached to on the frame influences the quality of galvanizing, and simultaneously, every group scooter frame all can contact with the bright one side of zinc liquid when galvanizing, and then make the frame surface after the galvanizing can not influenced by the zinc ash, and then obtain bright cladding material, the surface quality of galvanized part has further been improved.
And after the galvanization is finished, post-treatment is carried out, and the galvanized scooter frame is passivated and cooled, so that the process of the galvanization process can be finished, wherein the passivation and the cooling can be finished by adopting the conventional means.
As an embodiment of the present invention, please refer to fig. 2-4 of the accompanying drawings, this embodiment provides a galvanizing processing line for completing a galvanizing process, the galvanizing processing line adopts a hanging type structure, a vehicle frame is fixedly mounted on a matched hanger 1, and further a transferring and moving process of the vehicle frame is realized, specifically, the top of the hanger 1 is hung on a hanging rail 2 to play a role of bearing and guiding the hanger 1, meanwhile, the galvanizing processing line is further provided with a horizontally arranged driving chain 3, the driving chain 3 can rotate circularly, and an annular sleeve arranged on the driving chain 3 is connected with the hanger 1, therefore, the hanger 1 can transfer materials along the track of the hanging rail 2 under the driving of the driving chain 3, wherein, the structure of the hanging rail 2 is arranged to be concave towards the tank 4, consequently, when hanger 1 removed 4 tops in the galvanizing bath, hanger 1 can make under the direction in track route that the lower part of installation frame can correspond dip in the zinc liquid, and then realized the effect of automatic unloading, simultaneously, through the setting in 2 routes in string material track, can make the frame enter into the zinc liquid from the side direction, and then can avoid the sliding plate frame direct dip to the adverse effect that causes technology safety nature and plated piece quality in the zinc liquid.
It should be noted that, the hanger 1 in this embodiment may be installed with one scooter frame, or may be installed with one group, or may perform this procedure with a plurality of groups of hangers 1 as one group, so that the overall efficiency of the galvanization may be adjusted by controlling the number of specific installations and the specific grouping.
It should be noted that the annular sleeve and the hanger 1 in the present embodiment slide relative to each other, so that when the hanger moves in the up-down direction, the connection position of the annular sleeve relative to the hanger 1 changes relatively, and therefore, the change in the up-down position of the hanger 1 does not affect the driving effect of the driving chain 3 on the annular sleeve.
In addition, the galvanizing line in this embodiment is further provided with a sliding groove 6, a sliding block 7 is slidably arranged in the sliding groove 6, and a contact block is arranged at a relative position of the hanger 1, so that when the hanger 1 moves downwards along the track of the hanging rail 2, the contact block can be pressed against the sliding block 7, and the sliding block 7 can generate a certain driving force under the action of the hanger 1; meanwhile, a scraping plate 5 is arranged at the position of the opening of the galvanizing pool 4 in a sliding mode, and the scraping plate 5 and a sliding block 7 are driven, so that when the scraping plate 5 is driven by the sliding block 7, the surface of the molten zinc is scraped adaptively, in addition, when the hanger 1 moves to a position where the hanger is not in contact with the sliding block 7 any more, the fact that the frame is completely separated from the galvanizing pool 4 is indicated, at the moment, an elastic component is arranged in the sliding direction of the scraping plate 5, the scraping plate 5 and the sliding block 7 are both returned to the original position, and the next workpiece is galvanized conveniently, obviously, the surface of the molten zinc can be scraped adaptively through the driving action of the sliding block 7 and the scraping plate 5, and the surface quality and the working efficiency of the workpiece are guaranteed.
It should be noted that, this embodiment provides a specific transmission mode, please refer to fig. 5 of the accompanying drawings, the drag cable assembly connects the scraper 5 with the sliding block 7, the drag cable assembly includes a pull wire and a sleeve sleeved on the pull wire, during the specific use process, one end of the pull wire is connected with the sliding block 7, the other end is connected with the scraper 5, one end of the sleeve is fixed at the corresponding end of the sliding groove 6, and the other end is fixed at the corresponding end of the sliding track of the scraper 5, therefore, the movement of the sliding block 7 drives the scraper 5 to move through the pull wire, the sleeve can avoid the influence of the external action on the transmission process, and the arrangement mode of the drag cable assembly can be adaptively adjusted according to the specific situation of the whole working wire, and has better applicability.
It should be noted that, the elastic element for realizing the elastic force of the scraper 5 may be an extension spring, but in order to avoid a large speed when the scraper 5 moves back, the friction force of the sliding block 7 in the sliding groove 6 needs to be adjusted, or a one-way blocking structure is arranged to adjust the speed of the scraper 5 to ensure the safety of the return process of the scraper 5.
It should be further noted that the position of the contact block corresponds to the height of the sliding groove 6, so that when the contact block moves downward along with the hanger 1, the contact block can be ensured to be in contact with the sliding block 7, and in addition, the sliding block 7 can be in contact with the contact block, and cannot cause contact or interference with other devices on the hanger 1; when the sliding block 7 is pressed, the sliding groove 6 can transversely reserve partial space to ensure that the contact block is separated from the sliding block 7.
Referring to fig. 2 to 3, in order to improve the contact uniformity between the workpiece and the molten zinc, the hanger 1 of the present embodiment is configured to be rotatable, however, since the arrangement of the driving structure for rotation on the hanger 1 requires a relatively complicated cable and increases the weight and complexity of the hanger 1, therefore, the present embodiment provides a hanger 1 with a toggle chain 8 on one side, and the hanger 1 is divided into a fixed part 11 and a rotating part 12, wherein the fixed part 11 is connected with the hanging material track 2 and the driving chain 3, and the middle shaft of the rotating part 12 is provided with a shifting block 13, therefore, when the frame fixed on the hanger 1 is completely immersed into the zinc liquid, the toggle block 13 is contacted with the toggle chain 8, therefore, the poking block 13 can drive the rotating part 12 to integrally rotate under the driving of the poking chain 8, and the effect of improving the liquidity of the zinc liquid by rotating the workpiece is further realized; moreover, in the embodiment, the workpiece can rotate only when completely entering the zinc liquid, so that the problem of zinc liquid sputtering caused by rotation in the process of immersing the hanger is avoided, and the safety of the galvanizing process is ensured.
It should be noted that, referring to fig. 6 of the drawings, in this embodiment, the upper and lower end surfaces of the teeth on the toggle block 13 and the toggle chain 8 are set to be taper angles, and the pool thickness is thin, so that the problem that the toggle block 13 and the toggle chain 8 are in contact with each other up and down does not occur before the toggle block 13 is engaged with the toggle chain 8 from top to bottom, and the smoothness when the toggle block 13 and the toggle chain 8 start to make engagement contact is further ensured.
Further, referring to fig. 3, in the embodiment, the blades 14 are arranged on the rotating portion 12 of the hanger 1, and the arrangement positions of the blades 14 are adaptively selected according to the specific installation mode of the frame, so that when the rotating portion 12 rotates, the blades 14 also rotate, the flowing performance in the molten zinc can be further improved by the rotation of the blades 14, further, the workpiece is in full and uniform contact with the molten zinc, and the galvanizing quality of the workpiece is ensured.
In the process of galvanizing, the factor that most influences the fluidity of the molten zinc is that there are many iron-containing impurities in the molten zinc, and therefore, as an embodiment of the present invention, please refer to fig. 7, in this embodiment, a plurality of deslagging pipes 9 are disposed in the galvanizing bath 4, and the deslagging pipes 9 adsorb the zinc dross in the molten zinc, so that the impurities in the molten zinc can be removed in time by continuously filtering and absorbing the iron-containing impurities in the molten zinc, the fluidity of the molten zinc is improved, and the quality of the galvanized workpiece is ensured.
In addition, can arrange slagging-off pipe 9 along galvanizing bath 4 circumference, consequently cooperate 14 to the drive effect of zinc liquid, can make more rapid the passing of zinc liquid remove the slagging-off pipe 9, realize the high efficiency of edulcoration.
Further, as shown in fig. 7-8 of the drawings, the slag removing pipe 9 in this embodiment includes an outer sleeve 91, the outer sleeve 91 is made of a temperature-resistant material, and can be placed in the heated molten zinc to work normally, an electromagnetic assembly 93, a heat insulation pipe 94 and a filter residue pipe 92 are respectively disposed in the outer sleeve 91, the electromagnetic assembly 93 can generate magnetic force to adsorb the iron-containing impurities, the heat insulation pipe 94 can reduce the influence of the temperature of the molten zinc on the electromagnetic assembly 93, and the filter residue pipe 92 can have a filtering effect on the iron-containing impurities, specifically, a groove is disposed on the inner surface of the filter residue pipe 92, when the iron-containing impurities are adsorbed in the groove under the action of the magnetic force, the impurities can be effectively prevented from being desorbed due to the flow of the molten zinc, and the filtering efficiency of the impurities is improved due to the structure of the filter residue pipe 92; in addition, can set up filter residue pipe 92 into detachable construction, consequently when the more impurity of filter residue pipe 92 deposit, can make through changing filter residue pipe 92 and remove sediment pipe 9 and obtain continuing to use, guaranteed the suitability of slagging-off pipe 9.
As an embodiment of the present invention, please refer to fig. 2 of the accompanying drawings, this embodiment discloses a method for treating a scooter frame with a plating assistant agent, which comprises immersing a workpiece into the plating assistant agent by using a commonly used immersion method, and then performing rinsing with the plating assistant agent after immersion is completed.
Further, the plating assistant agent processing step is completed through a galvanizing processing working line, the plating assistant agent groove 10 and the plating assistant agent sprayer 101 are arranged below the hanging rail 2, the hanging rail 2 is sunken towards the direction of the plating assistant agent groove 10 at the relative position of the plating assistant agent groove 10, therefore, when the hanger 1 reaches the plating assistant agent groove 10, the hanger can automatically enter the plating assistant agent groove 10, after the plating assistant agent soaking is completed, the plating assistant agent sprayer 101 can flush the vehicle frame, and meanwhile, the liquid inlet end of the plating assistant agent sprayer 101 is communicated with the plating assistant agent groove 10 through the filtering device 102, so that the plating assistant agent can be recycled, and the cleanliness of the plating assistant agent is ensured.
As an embodiment of the present invention, after the galvanization is completed, some zinc nodules and zinc burrs may remain on the surface of the workpiece, so the embodiment sets a vibrator on the galvanization processing line, and when the hanger 1 moves to the zinc nodule processing position point, the vibrator is in contact with the hanger 1; realize the processing to the surperficial zinc dross of slide frame through the vibrations transmission of electromagnetic shaker to hanger 1, and then the effectual zinc dross that detached the frame and produce at the galvanizing process, guaranteed the quality of handling, in addition, electromagnetic shaker and hanger 1 in this embodiment, cooperation such as hanging material track 2 can improve the efficiency and the convenient degree of handling, have higher suitability.
The working principle of the invention is as follows: the sliding plate frame enters the zinc liquid in a lateral scratching mode, the discharging mode can reduce the amount of bubbles generated when the sliding plate frame directly acts on the zinc liquid, meanwhile, the sputtering of the zinc liquid in the discharging process is reduced, and the safety of the galvanizing process and the quality of the galvanizing frame are ensured; when the scooter frame enters the zinc liquid, the scraper 5 can scrape ash on the surface of the zinc liquid, so that impurities on the zinc liquid can be cleaned in time, and the influence on the galvanizing quality of the scooter frame is avoided; when the frame fixed on the hanger 1 is completely immersed into the zinc liquid, the poking block 13 can drive the rotating part 12 to integrally rotate under the driving of the poking chain 8, so that the effect of improving the fluidity of the zinc liquid by rotating a workpiece is realized, the problem of zinc liquid sputtering caused by rotation in the process of immersing the hanger is avoided, and the safety of the galvanizing process is ensured; according to the invention, the flowing performance in the zinc liquid can be further improved through the rotation of the blades 14 on the rotating part 12, so that the workpiece is further in full and uniform contact with the zinc liquid, and the galvanizing quality of the workpiece is ensured; according to the invention, the plurality of deslagging pipes 9 are arranged in the galvanizing bath 4, so that zinc slag in the zinc liquid is adsorbed by the deslagging pipes 9, impurities in the zinc liquid can be removed in time, the fluidity of the zinc liquid is improved, and the galvanized quality of workpieces is ensured; according to the invention, the inner surface of the filter residue pipe 92 is provided with the groove, so that when iron-containing impurities are adsorbed into the groove under the action of magnetic force, the impurity adsorption effect caused by zinc liquid flowing can be effectively avoided, and the structure of the filter residue pipe 92 is further utilized to improve the impurity filtering efficiency; according to the invention, the mode of soaking and then washing is adopted, so that impurities on the surface can be washed away in a washing mode while the scooter frame is in full contact with the plating assistant, and the galvanizing quality of the scooter frame is further improved; according to the invention, the vibrator is arranged on the galvanizing treatment working line and is matched with the production line formed by the hanging tool 1 and the hanging rail 2, so that the treatment efficiency and convenience can be improved, and the coating machine has higher applicability.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (10)
1. A foldable scooter frame galvanizing process is characterized by at least comprising the following steps:
performing pretreatment, namely performing acid washing and water washing on the scooter frame in sequence;
plating assistant agent treatment, namely coating the plating assistant agent on the surface of the scooter frame after the forward treatment;
galvanizing, namely immersing the scooter frame into zinc liquid according to a path of a preset track; the action of immersing each group of the scooter frames into the zinc liquid can drive the scraping and cleaning of the surface of the zinc liquid;
and (4) post-treatment, namely passivating and cooling the galvanized scooter frame.
2. The process of claim 1, wherein the step of galvanizing is performed by a galvanizing line;
the galvanizing treatment working line comprises a hanger (1), a hanging track (2), a driving chain (3) and a galvanizing pool (4);
the hanging tool (1) is connected to the hanging rail (2) in a sliding mode and used for hanging the sliding plate frame;
the hanging tool (1) is connected with the driving chain (3) and moves under the driving of the driving chain (3);
a scraping plate (5) is arranged at the opening of the galvanizing pool (4) in a sliding manner, and the scraping plate (5) is subjected to elastic restoring force;
a sliding groove (6) is formed below the driving chain (3), and a sliding block (7) is arranged in the sliding groove (6);
the relative position of the hanging track (2) in the galvanizing bath (4) is sunken downwards;
when the hanger (1) moves to the position corresponding to the sliding groove (6), the sliding block (7) is driven to move;
be provided with the cable subassembly between sliding block (7) and scraper blade (5), sliding block (7) drive scraper blade (5) through the cable subassembly and remove.
3. A galvanization process of a foldable scooter frame according to claim 2, characterized in that said hanger (1) comprises a fixed part (11) and a rotating part (12) rotatably connected with the fixed part (11);
the fixed part (11) is connected with the hanging track (2) and the driving chain (3), and a contact block is arranged on the fixed part (11);
when the hanger (1) moves to a position corresponding to the sliding groove (6), the contact block is abutted with the sliding block (7);
the sliding plate frame is hung on the rotating part (12), and when the hanging tool (1) is placed at a specific depth position of the zinc liquid, the rotating part (12) rotates under the action of driving force.
4. A process according to claim 3, wherein the galvanization line further comprises a rotating toggle chain (8); the rotating part (12) is provided with a poking block (13);
when the hanger (1) reaches the bottom of the concave part of the hanging track (2), the stirring chain (8) and the stirring block (13) on the hanger (1) are at the same height, and the stirring chain (8) drives the rotating part (12) to rotate through the stirring block (13).
5. A galvanising process of a foldable scooter frame according to claim 3, characterized in that the turning part (12) is provided with vanes (14).
6. The galvanizing process of the foldable scooter frame according to claim 2, wherein a plurality of deslagging pipes (9) are arranged in the galvanizing pool (4);
the slag removing pipe (9) is used for adsorbing zinc slag in the zinc liquid.
7. A foldable scooter frame galvanising process according to claim 6, characterized in that the deslagging tube (9) comprises an outer sleeve (91);
a heat insulation pipe (94) is arranged in the outer sleeve (91), and an electromagnetic assembly (93) is arranged between the outer sleeve (91) and the heat insulation pipe (94);
the heat insulation pipe (94) is internally provided with a filter residue pipe (92), and the inner surface of the filter residue pipe (92) is provided with a groove seam.
8. The process for galvanizing a foldable scooter frame according to claim 2, wherein the plating assistant agent treatment step is:
firstly, immersing a workpiece into a plating assistant agent;
and fishing out and then spraying the plating assistant agent.
9. The process of claim 8, wherein the plating aid treatment step is performed by a galvanizing treatment line;
the galvanizing treatment working line also comprises a plating assistant agent groove (10) and a plating assistant agent sprayer (101);
the hanging track (2) is sunken downwards at the relative position of the plating assistant agent groove (10);
the liquid inlet end of the plating assistant agent sprayer (101) is communicated with the plating assistant agent groove (10) through a filtering device (102).
10. The process of claim 2, wherein the post-treatment step is preceded by a zinc nodule treatment step;
the step of treating the zinc nodules is completed through a galvanizing treatment working line;
the galvanizing treatment working line also comprises a vibrator;
when the hanger (1) moves to a zinc nodule treatment position point, the vibrator is contacted with the hanger (1);
the treatment of the zinc nodules on the surface of the scooter frame is realized through the vibration transmission of the vibrator to the hanger (1).
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Denomination of invention: A Foldable Skateboard Frame Galvanizing Process Effective date of registration: 20231128 Granted publication date: 20230616 Pledgee: Zhejiang Fuyang Rural Commercial Bank Co.,Ltd. Dongqiao sub branch Pledgor: HANGZHOU XINXING BICYCLE PARTS Co.,Ltd. Registration number: Y2023980067803 |