CN106756709B - A kind of production technology of heat zinc coating plate - Google Patents
A kind of production technology of heat zinc coating plate Download PDFInfo
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- CN106756709B CN106756709B CN201710192911.2A CN201710192911A CN106756709B CN 106756709 B CN106756709 B CN 106756709B CN 201710192911 A CN201710192911 A CN 201710192911A CN 106756709 B CN106756709 B CN 106756709B
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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
- C23C2/34—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
- C23C2/36—Elongated material
- C23C2/40—Plates; Strips
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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
- C23C2/003—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
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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
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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)
Abstract
The invention proposes a kind of production technologies of heat zinc coating plate, using cold-reduced sheet as raw material, each volume that rolls is welded using shearing is welding integrated, it is gradually completing cleaning, annealing and zinc layers hot dip, specifically comprise the following steps: to make raw material finished product cold rolling coiled material uncoiling of steel plate, welding integrated sheared and welded using shearing；Plate face is sufficiently cleaned by secondary chemical degreasing；Annealing furnace continuous annealing and cooling；Enter zinc pot galvanizing by dipping and cooling；Hardening slot is cooling and air-dries；Into planisher, finishing straightening；The preservative treatment into after being plated up to passivating device；It washes, dry laggard inlet/outlet loop and buffered, it is coiled using coiling machine.It docks and welds using welding integrated shear to steel band end is sheared, automated production, working efficiency is greatly improved, welding performance, corrosion resistance and the phosphorus characteristic of hot-dip galvanizing sheet steel can be enhanced using this production technology, obtains the strip with excellent hot galvanizing performance.
Description
[technical field]
The present invention relates to the technical field of hot dip galvanizing production process, especially a kind of production technology of heat zinc coating plate.
[background technique]
Hot-dip galvanizing sheet steel is since the appearance of its good corrosion resistance, excellent coating performance and cleaning is in household electric
It is widely used in the manufacturing industry such as device, body of a motor car plate.Requirement to hot dip galvanizing steel plate coating is coating and substrate
Adhesive force it is strong, when Pressing Deformation, does not fall off, and to have good welding performance, corrosion resistance and phosphorus characteristic, in addition with true
The adhesive force for protecting paint film and the corrosion resistance after japanning.Need to have on surface the black of oxide layer in hot-galvanized steel production process
Coil of strip is processed into the white coil of strip of lustrous surface by means such as pickling, mechanical grindings, since steel strip production line needs continuous work,
And the steel band obtained after coil of strip uncoiling is not steel tape, need to be welded steel band head and the tail by machinery, to meet steel band production
Line demand, simultaneously because the end of steel band be it is arc-shaped, could smoothly be welded after needing to shear end, thus propose one
The production technology of kind heat zinc coating plate.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, a kind of production technology of heat zinc coating plate is proposed, with cold
Rolling plate is raw material, and each volume that rolls is welded using shearing is welding integrated, is gradually completing cleaning, annealing and zinc layers heat
Plating respectively shears the front end of two steel bands and tail end using two groups of shears, while will be cut using gripper
Clout takes out, and docks and weld by two steel band ends of transport mechanism realization, and automated production greatly improves work
Efficiency can enhance welding performance, corrosion resistance and the phosphorus characteristic of hot-dip galvanizing sheet steel using this production technology, be had
The strip of excellent hot galvanizing performance.
To achieve the above object, the invention proposes a kind of production technologies of heat zinc coating plate adopts using cold-reduced sheet as raw material
Each volume that rolls is welded with shearing is welding integrated, cleaning, annealing and zinc layers hot dip is gradually completing, specifically includes following step
It is rapid:
Step 1: making raw material finished product cold rolling coiled material uncoiling of steel plate, welding integrated sheared and welded using shearing；
Step 2: plate face sufficiently being cleaned by secondary chemical degreasing；
Step 3: annealing furnace continuous annealing and cooling；
Step 4: entering zinc pot galvanizing by dipping and cooling；
Step 5: hardening slot is cooling and air-dries；
Step 6: entering planisher, finishing straightening；
Step 7: entering preservative treatment after being plated up to passivating device；
Step 8: it washes, dry laggard inlet/outlet loop and buffered, it is coiled using coiling machine.
Preferably, the volume that will roll of the step 1 carries out welding detailed process are as follows: volume will be rolled and be placed in pallet, cutting is rolled
Band, opening roll volume, and traction magnetic tape trailer, which makes to roll volume to unfold into, rolls plate form, then will roll plate and be transported to and shear in welding integrated, and cut
It cuts head end and tail end that welding integrated shear rolls plate to two respectively to shear, while will be cut using gripper
Clout take out, and realize that two steel band ends are docked by transport mechanism, then welder butt end is welded.
Preferably, the step 3 is to enter annealing furnace to carry out reduction calcining using 470-490 degrees Celsius of temperature；
After the step 4 raw material progress reheating makes its temperature be increased to 520-550 degrees Celsius, into the kettle temperature for having zinc melt
Hot dip is carried out for 440-470 degrees Celsius of zinc pot.
Preferably, the skimming temp in the step 2 in first time chemical degreasing is 50-60 degrees Celsius, degreaser is dense
Degree is 10-20%；Skimming temp in second of chemical degreasing is 45-49 degrees Celsius, and degreaser concentration is 8-15%；
Preferably, zinc pot temperature is 465 degrees Celsius in the step 4, steel plate is forced after going out zinc pot using air-cooled
It is cooling, cooling rate 70-90%.
Preferably, mass percent is used to lubricate polishing machine for the finishing liquid of 2.0%-2.5% in the step 6.
Preferably, the shearing in the step 1 is welding integrated including rack, the first steel belt conveyors structure, the second steel
Tape transport, auxiliary table, welder, the first shear, the second shear and servo power case, described first
Auxiliary table is equipped between steel belt conveyors structure, the second steel belt conveyors structure, it is auxiliary to offer first on the auxiliary table
Slot and the second auxiliary slot are helped, the first lower tool apron and the second lower tool apron, the first shearing dress are symmetrically arranged in the rack
Set, the second shear cooperates with the first auxiliary slot and the second auxiliary slot respectively, the shearing it is welding integrated first
Shear includes workbench, slide, cantilever beam, plug-in strip component, manipulator and auxiliary power case, and the workbench is equipped with and leads
Rail, the guide rail are equipped with slide, and the slide is matched with auxiliary power case, and cantilever beam is equipped on the slide, described
Cantilever beam is equipped on the first mounting plate and the second mounting plate, first mounting plate and the second mounting plate and is separately installed with plug-in strip
Component and manipulator, the plug-in strip component are matched with the first lower tool apron, and the manipulator is matched with the first auxiliary slot, institute
It is identical as the structure of the second shear to state the first shear, is equipped between first shear and the second shear
Clout collects basket, and the side of the rack is equipped with servo power case, and the servo power case is equipped with control system, and described first
The side of lower tool apron is equipped with welder, and the welder is connected with control system.
Preferably, the plug-in strip component includes several auxiliary hydraulic cylinders and shear knife, the shear knife passes through auxiliary
Hydraulic cylinder is mounted on the lower section of the first mounting plate, and the shear knife is matched with the first lower tool apron, under second mounting plate
Side is equipped with auxiliary guide rail, and the manipulator includes two auxiliary slides and flexible jaw components, described two auxiliary slide installations
Flexible jaw components are installed on the both ends of auxiliary guide rail, the auxiliary slide, the auxiliary power case is equipped with control
Unit processed, the plug-in strip component, manipulator are connected with auxiliary power case by control unit, are additionally provided on the auxiliary table
First proximity sensor and the second proximity sensor, the first steel belt conveyors structure include the first hold-down mechanism and the first transmission
Roll assembly, the described first lower tool apron are equipped with auxiliary range sensor, and the auxiliary range sensor is connected with control system.
Beneficial effects of the present invention: the present invention is welding integrated each using shearing by using cold-reduced sheet as raw material
It rolls volume to weld, is gradually completing cleaning, annealing and zinc layers hot dip, using two groups of shears respectively to the front end of two steel bands
It is sheared, while being taken out the clout cut using gripper, and two steel band ends are realized by transport mechanism with tail end
It docks and welds, automated production greatly improves working efficiency, can enhance hot-dip galvanizing sheet steel using this production technology
Welding performance, corrosion resistance and phosphorus characteristic obtain the strip with excellent hot galvanizing performance.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is the plan structure signal after a kind of welding integrated combination of shearing of production technology of heat zinc coating plate of the present invention
Figure；
Fig. 2 is a kind of welding integrated part-structure main view signal of the shearing of production technology of heat zinc coating plate of the present invention
Figure；
Fig. 3 is a kind of left view structural representation of first shear of the production technology of heat zinc coating plate of the present invention.
[specific embodiment]
It is welded refering to fig. 1 to a kind of production technology of heat zinc coating plate of Fig. 3 present invention using cold-reduced sheet as raw material using shearing
It connects all-in-one machine to weld each volume that rolls, is gradually completing cleaning, annealing and zinc layers hot dip, specifically comprises the following steps:
Step 1: making raw material finished product cold rolling coiled material uncoiling of steel plate, welding integrated sheared and welded using shearing；
Step 2: plate face sufficiently being cleaned by secondary chemical degreasing；
Step 3: annealing furnace continuous annealing and cooling；
Step 4: entering zinc pot galvanizing by dipping and cooling；
Step 5: hardening slot is cooling and air-dries；
Step 6: entering planisher, finishing straightening；
Step 7: entering preservative treatment after being plated up to passivating device；
Step 8: it washes, dry laggard inlet/outlet loop and buffered, it is coiled using coiling machine.
The volume that will roll of the step 1 carries out welding detailed process are as follows: will roll volume and is placed in pallet, band is rolled in cutting, and opening is rolled
Volume, traction magnetic tape trailer, which makes to roll volume to unfold into, rolls plate form, then will roll plate be transported to shearing it is welding integrated in, shear welded
The head end and tail end that the shear of machine rolls plate to two respectively are sheared, while being taken the clout cut using gripper
Out, and by transport mechanism two steel band end docking are realized, then welder butt end is welded.The step 3 is
It enters annealing furnace and carries out reduction calcining using 470-490 degrees Celsius of temperature；Step 4 raw material, which carries out reheating, makes it
After temperature is increased to 520-550 degrees Celsius, heat is carried out into the zinc pot that the kettle temperature for having zinc melt is 440-470 degrees Celsius
Plating.Skimming temp in the step 2 in first time chemical degreasing is 50-60 degrees Celsius, and degreaser concentration is 10-20%；The
Skimming temp in secondary chemical degreasing is 45-49 degrees Celsius, and degreaser concentration is 8-15%；In the step 4, the zinc layers
Hot dip is to use zinc pot zinc-plated, and wherein zinc pot temperature is 465 degrees Celsius, and steel plate, which goes out after zinc pot, carries out pressure cooling using air-cooled,
Cooling rate 70-90%.Mass percent is used to lubricate polishing machine for the finishing liquid of 2.0%-2.5% in the step 6.It is described
Shearing in step 1 is welding integrated including rack 1, the first steel belt conveyors structure 2, the second steel belt conveyors structure 3, back work
Platform 4, welder 5, the first shear 6, the second shear 7 and servo power case 8, the first steel belt conveyors structure 2,
It is equipped with auxiliary table 4 between second steel belt conveyors structure 3, offers 43 He of the first auxiliary slot on the auxiliary table 4
Second auxiliary slot 44 is symmetrically arranged with the first lower tool apron 11 and the second lower tool apron 12, first shear in the rack 1
6, the second shear 7 cooperates with the first auxiliary slot 43 and the second auxiliary slot 44 respectively, and the shearing is welding integrated
First shear 6 includes workbench 61, slide 62, cantilever beam 63, plug-in strip component 64, manipulator 65 and auxiliary power case 66,
The workbench 61 is equipped with guide rail 611, and the guide rail 611 is equipped with slide 62, the slide 62 and 66 phase of auxiliary power case
Cooperate, cantilever beam 63 is installed on the slide 62, the cantilever beam 63 is equipped with the first mounting plate 631 and the second mounting plate
632, plug-in strip component 64 and manipulator 65, the plug-in strip are separately installed on first mounting plate 631 and the second mounting plate 632
Component 64 is matched with the first lower tool apron 11, and the manipulator 65 is matched with the first auxiliary slot 43, the first shearing dress
It sets 6 identical as the structure of the second shear 7, clout is equipped between first shear 6 and the second shear 7 and is collected
Basket 9, the side of the rack 1 are equipped with servo power case 8, and the servo power case 8 is equipped with control system 81, under described first
The side of tool apron 11 is equipped with welder 5, and the welder 5 is connected with control system 81.If the plug-in strip component 64 includes
Dry auxiliary hydraulic cylinder 641 and shear knife 642, the shear knife 642 are mounted on the first mounting plate by auxiliary hydraulic cylinder 641
631 lower section, the shear knife 642 are matched with the first lower tool apron 11, and the lower section of second mounting plate 632 is equipped with auxiliary and leads
Rail 632, the manipulator 65 include two auxiliary slides 651 and flexible jaw components 652, and described two auxiliary slides 651 are pacified
Mounted in the both ends of auxiliary guide rail 632, flexible jaw components 652, the auxiliary power are installed on the auxiliary slide 651
Case 66 is equipped with control unit 661, and the plug-in strip component 64, manipulator 65 pass through control unit 661 and 66 phase of auxiliary power case
Even, the first proximity sensor 41 and the second proximity sensor 42, the first steel band transmission are additionally provided on the auxiliary table 4
Mechanism 2 includes the first hold-down mechanism 21 and the first transfer roller component 22, and the described first lower tool apron 11 is equipped with auxiliary Distance-sensing
Device 111, the auxiliary range sensor 111 are connected with control system 81.
The course of work of the present invention:
A kind of production technology of heat zinc coating plate of the present invention, wherein shear it is welding integrated in the process of work, after uncoiling
Steel band be placed into rack, mobile from right-to-left under the drive of the transmission mechanism, the first steel belt conveyors structure 2 and left side steel band
Tail portion cooperation, when where the tail portion of left side steel band reaching the first proximity sensor 41, the first proximity sensor 41 will letter
Control system 81 number is passed to, and 22 stopping of the first transfer roller component movement is controlled by servo control box 8, while controlling first
The telescopic rod of driving cylinder 211 in hold-down mechanism 21 shortens, and the tail portion of steel band is compressed, the second steel band passes while this is acted
Where sending mechanism 3 that the front end of right side steel band is transmitted to second close to biography sensor 42, and the front end of right side steel band is compressed,
Control system 81 controls the first shear 6 and the movement of the second shear 7 at this time, and slide 62 is moved to 11 direction of the first tool apron
Dynamic, plug-in strip component 64 acts, and cuts to the tail portion of steel band, completes cutting back brake knife assembly 64 and resets, manipulator 65 acts
It is matched with the first auxiliary slot 43, the flexible jaw components 652 of two sides by the steel band clout clamping under cutting and are lifted up
After reset, after auxiliary power case 66 controls the reset of slide 62, clout release is fallen to clout and collected in basket 9 by manipulator 65, the
Two shears 7 and the first similarly movement of shear 6, after the cutting for completing two steel bands, the control of control system 81 second
Hold-down mechanism 31, which resets, unclamps right side steel band, the movement of the second steel belt conveyors structure 3, and the steel band front end on right side is wanted to move left to auxiliary
Range sensor 111 receives signal, i.e., the two ends of two steel bands are in contact, and auxiliary range sensor 111 transmits signal
To control system 81,3 stopping of the second steel belt conveyors structure movement is controlled, the movement of the second hold-down mechanism 31 compresses right side steel band again
Head end, while welder 5 acts, and carries out weld job to the head and the tail section of steel band, until welder 5 is multiple after fulfiling assignment
Position, welding are completed latter two hold-down mechanism and are resetted, and two transport mechanism movements, continuous steel band continues to be moved to the left, with cold rolling
Plate is raw material, and each volume that rolls is welded using shearing is welding integrated, is gradually completing cleaning, annealing and zinc layers hot dip,
The clout that the front end of two steel bands and tail end are sheared, while will be cut using gripper respectively using two groups of shears
It takes out, and docks and weld, automated production by two steel band ends of transport mechanism realization, greatly improve work effect
Rate can enhance welding performance, corrosion resistance and the phosphorus characteristic of hot-dip galvanizing sheet steel using this production technology, obtain having excellent
The strip of good hot galvanizing performance.
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 (7)
1. a kind of production technology of heat zinc coating plate, it is characterised in that: using cold-reduced sheet as raw material, using welding integrated of shearing
Each volume that rolls welds, and is gradually completing cleaning, annealing and zinc layers hot dip, specifically comprises the following steps:
Step 1: making raw material finished product cold rolling coiled material uncoiling of steel plate, welding integrated sheared and welded using shearing；
Step 2: plate face sufficiently being cleaned by secondary chemical degreasing；
Step 3: annealing furnace continuous annealing and cooling；
Step 4: entering zinc pot galvanizing by dipping and cooling；
Step 5: hardening slot is cooling and air-dries；
Step 6: entering planisher, finishing straightening；
Step 7: entering preservative treatment after being plated up to passivating device；
Step 8: it washes, dry laggard inlet/outlet loop and buffered, it is coiled using coiling machine；
Shearing in the step 1 is welding integrated including rack (1), the first steel belt conveyors structure (2), the second steel belt conveyors
Structure (3), auxiliary table (4), welder (5), the first shear (6), the second shear (7) and servo power case
(8), auxiliary table (4) are equipped between the first steel belt conveyors structure (2), the second steel belt conveyors structure (3), the auxiliary
The first auxiliary slot (43) and the second auxiliary slot (44) are offered on workbench (4), are symmetrically arranged with first on the rack (1)
Lower tool apron (11) and second lower tool apron (12), first shear (6), the second shear (7) are assisted with first respectively
Slot (43) and the second auxiliary slot (44) cooperation, welding integrated the first shear (6) of the shearing includes workbench
(61), slide (62), cantilever beam (63), plug-in strip component (64), manipulator (65) and auxiliary power case (66), the workbench
(61) guide rail (611) are equipped with, the guide rail (611) is equipped with slide (62), the slide (62) and auxiliary power case (66)
It matches, is equipped with cantilever beam (63) on the slide (62), the cantilever beam (63) is equipped with the first mounting plate (631) and the
Be separately installed on two mounting plates (632), first mounting plate (631) and the second mounting plate (632) plug-in strip component (64) and
Manipulator (65), the plug-in strip component (64) match with first lower tool apron (11), and the manipulator (65) is inserted with the first auxiliary
Slot (43) matches, and first shear (6) is identical as the structure of the second shear (7), first shear
(6) it being equipped with clout between the second shear (7) and collects basket (9), the side of the rack (1) is equipped with servo power case (8),
The servo power case (8) is equipped with control system (81), and the side of described first lower tool apron (11) is equipped with welder (5),
The welder (5) is connected with control system (81).
2. a kind of production technology of heat zinc coating plate as described in claim 1, it is characterised in that: rolling for the step 1 involves in
Row welding detailed process are as follows: volume will be rolled and be placed in pallet, band is rolled in cutting, and opening rolls volume, draws magnetic tape trailer and makes to roll volume to unfold into and rolls plate
Form, then will roll plate be transported to shearing it is welding integrated in, shear welding integrated shear and roll plate to two respectively
Head end and tail end sheared, while using gripper by the clout cut take out, and by transport mechanism realization two steel
Band end is docked, and then welder butt end is welded.
3. a kind of production technology of heat zinc coating plate as described in claim 1, it is characterised in that: the step 3 is to enter to move back
Stove carries out reduction calcining using 470-490 degrees Celsius of temperature；Step 4 raw material, which carries out reheating, improves its temperature
To after 520-550 degrees Celsius, hot dip is carried out into the zinc pot that the kettle temperature for having zinc melt is 440-470 degrees Celsius.
4. a kind of production technology of heat zinc coating plate as described in claim 1, it is characterised in that: change for the first time in the step 2
Learning the skimming temp in degreasing is 50-60 degrees Celsius, and degreaser concentration is 10-20%；Degreasing temperature in second of chemical degreasing
Degree is 45-49 degrees Celsius, and degreaser concentration is 8-15%.
5. a kind of production technology of heat zinc coating plate as described in claim 1, it is characterised in that: in the step 4, zinc pot temperature
It is 465 degrees Celsius, steel plate, which goes out after zinc pot, carries out pressure cooling, cooling rate 70-90% using air-cooled.
6. a kind of production technology of heat zinc coating plate as described in claim 1, it is characterised in that: use quality in the step 6
The finishing liquid that percentage is 2.0%-2.5% lubricates polishing machine.
7. a kind of production technology of heat zinc coating plate as described in claim 1, it is characterised in that: the plug-in strip component (64) includes
Several auxiliary hydraulic cylinders (641) and shear knife (642), the shear knife (642) are mounted on the by auxiliary hydraulic cylinder (641)
The lower section of one mounting plate (631), the shear knife (642) match with first lower tool apron (11), second mounting plate (632)
Lower section be equipped with auxiliary guide rail (632), the manipulator (65) include two auxiliary slides (651) and flexible jaw components
(652), described two auxiliary slide (651) are mounted on the both ends of auxiliary guide rail (632), install on the auxiliary slide (651)
Have flexible jaw components (652), the auxiliary power case (66) is equipped with control unit (661), the plug-in strip component
(64), manipulator (65) is connected by control unit (661) with auxiliary power case (66), is also set on the auxiliary table (4)
There are the first proximity sensor (41) and the second proximity sensor (42), the first steel belt conveyors structure (2) includes the first compression
Mechanism (21) and the first transfer roller component (22), described first lower tool apron (11) are equipped with auxiliary range sensor (111), described
Auxiliary range sensor (111) is connected with control system (81).
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| CN201710192911.2A CN106756709B (en) | 2017-03-28 | 2017-03-28 | A kind of production technology of heat zinc coating plate |
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| CN201710192911.2A CN106756709B (en) | 2017-03-28 | 2017-03-28 | A kind of production technology of heat zinc coating plate |
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| CN106756709B true CN106756709B (en) | 2019-06-21 |
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| CN107138531B (en) * | 2017-06-13 | 2018-11-02 | 浙江协和陶瓷有限公司 | A kind of production line for strip hot-dip galvanizing |
| CN107238275A (en) * | 2017-06-29 | 2017-10-10 | 厦门立扬光学科技有限公司 | Eyeglass automatic hardening machine and technique |
| CN111203662B (en) * | 2020-01-15 | 2021-10-29 | 宣城军焊焊接科技有限公司 | Welding device for vertical galvanized plate |
| CN111974633A (en) * | 2020-07-13 | 2020-11-24 | 盐城市瑞华涂装设备有限公司 | Vertical full-automatic microchannel coating production line |
| CN111961997A (en) * | 2020-08-05 | 2020-11-20 | 江门市新会亿利增立金属制品有限公司 | Production process of hot-dip galvanized plate for high-strength structure |
| CN112226713A (en) * | 2020-09-07 | 2021-01-15 | 潘涛 | Metal plate galvanizing device and processing method thereof |
| CN112129447A (en) * | 2020-11-25 | 2020-12-25 | 中国重型机械研究院股份公司 | Tension-straightening tension measuring device, system and method for strip cleaning tension-straightening unit |
| CN113549909B (en) * | 2021-07-29 | 2023-01-03 | 唐山市融德冷轧镀锌有限公司 | Hot-dip galvanized sheet chromium-free passivation treatment method |
| CN116103596B (en) * | 2023-04-04 | 2023-07-07 | 天津市宇润德金属制品有限公司 | Production process for coating steel coil |
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| CN106435105A (en) * | 2016-12-01 | 2017-02-22 | 浙江东南金属薄板有限公司 | Preparation method of hot-dip-galvanizing steel coil |
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| CN203526960U (en) * | 2013-10-31 | 2014-04-09 | 成都焊研威达科技股份有限公司 | Bi-directionally shearing butt welding device |
| CN106435105A (en) * | 2016-12-01 | 2017-02-22 | 浙江东南金属薄板有限公司 | Preparation method of hot-dip-galvanizing steel coil |
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