CN112962081B - Steel plate continuous coating production line and coating process - Google Patents
Steel plate continuous coating production line and coating process Download PDFInfo
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- CN112962081B CN112962081B CN202110141147.2A CN202110141147A CN112962081B CN 112962081 B CN112962081 B CN 112962081B CN 202110141147 A CN202110141147 A CN 202110141147A CN 112962081 B CN112962081 B CN 112962081B
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- 238000000576 coating method Methods 0.000 title claims abstract description 246
- 239000011248 coating agent Substances 0.000 title claims abstract description 229
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 173
- 239000010959 steel Substances 0.000 title claims abstract description 173
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
- 238000003860 storage Methods 0.000 claims abstract description 14
- 238000010030 laminating Methods 0.000 claims abstract description 13
- 238000011084 recovery Methods 0.000 claims description 80
- 238000001771 vacuum deposition Methods 0.000 claims description 18
- 239000007888 film coating Substances 0.000 claims description 13
- 238000009501 film coating Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 4
- 230000008602 contraction Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000005096 rolling process Methods 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract description 8
- 238000004064 recycling Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 7
- 230000006872 improvement Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003475 lamination Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
- C23C14/562—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks for coating elongated substrates
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/50—Substrate holders
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- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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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 Apparatus (AREA)
Abstract
The invention discloses a continuous coating production line for steel plates, which comprises a primary feeding device, a conveying device, a secondary feeding device, a coating furnace, a coating machine, a coding machine and a discharging device which are sequentially arranged along the coating direction; the first-stage feeding device is used for clamping the stacked steel plates onto the conveying device; the conveying device is used for conveying the steel plate to the secondary feeding device; the secondary feeding device is used for conveying the steel plate into the coating furnace; the coating furnace is used for coating the steel plate; the film laminating machine is used for carrying out film laminating treatment on the steel plate and conveying the steel plate subjected to the film laminating treatment to the encoder; the encoder is used for carrying out encoding treatment on the film paper on the steel plate and conveying the steel plate subjected to the encoding treatment to the blanking device; the blanking device is used for clamping the steel plate to a storage area outside the coating production line for stacking and storing. Also discloses a coating process using the continuous coating production line for the steel plate, and solves the problem of low coating efficiency of the existing coating equipment.
Description
Technical Field
The invention relates to the technical field of coating, in particular to a continuous coating production line and a coating process for a steel plate.
Background
The coating technique is a process of transferring atoms or molecules from a source material onto the surface of a plate to be coated by physical processes in a vacuum environment. Coating a sheet material can provide the sheet material with certain special properties that it does not originally possess, such as: high strength, wear resistance, high temperature resistance, corrosion resistance, etc.
In the vacuum coating industry, the existing coating technology mainly uses a clamp or a hanger to load a plate into a coating cavity for coating, so that the loading capacity is small, and the coating cost is high; for some plates with overlarge volume or overlarge volume and difficult to clamp or load by a hanging rack, even if the plates can be loaded into a vacuum coating chamber for coating treatment at a progress, loading and taking of the plates take time, and the loading and unloading efficiency is extremely low.
Therefore, there is a need to develop a continuous coating line for steel plates, which has high automation degree and does not need to clamp and load plates, and a coating process using the coating line, so as to solve the technical problems.
Disclosure of Invention
The invention aims to provide a continuous coating production line and a coating process for a steel plate, which are used for solving the problems that the existing coating equipment needs to clamp or load plates, the loading and unloading are time-consuming and labor-consuming, and the coating efficiency is low.
In order to achieve the above purpose, the invention provides a coating production line, which comprises the following specific embodiments:
a continuous coating production line for steel plates comprises a primary feeding device, a conveying device, a secondary feeding device, a coating furnace, a coating machine, a coding machine and a discharging device which are sequentially arranged along the coating direction;
the first-stage feeding device adopts a manipulator device and is used for clamping the stacked steel plates onto the conveying device;
the conveying device adopts a conveyor belt device and is used for conveying the steel plate to the secondary feeding device;
the secondary feeding device adopts a pushing or conveying device and is used for conveying the steel plate into the coating furnace;
the steel plate and the supporting plate for accommodating the steel plate are fed into the coating furnace from the feed inlet by the feeding device, roll coating is carried out in the coating furnace, and the coated steel plate is conveyed to a coating machine from the discharge outlet;
the tail end of the secondary feeding device is provided with a lifting feeding table, a supporting plate for loading the steel plate is arranged on the feeding table, the secondary feeding device further comprises a feeding gripper for grabbing the steel plate on the supporting plate on the feeding table, and the supporting plate and the steel plate are pushed into a feeding port of the coating furnace through the secondary feeding device;
the coating furnace is internally provided with a conveying belt driven in the processing direction of the coating production line and a recovery belt driven in the opposite direction of the processing direction of the coating production line, the conveying belt is positioned above the recovery belt, the coating furnace is internally provided with a supporting plate recovery device for conveying the supporting plate entering the coating furnace back to the secondary feeding device, the supporting plate recovery device comprises a recovery plate and a pneumatic rod, the recovery plate is arranged at the end part of the recovery belt in a lifting manner, the pneumatic rod is connected at the bottom of the recovery plate and drives the recovery plate to lift in the coating furnace, the recovery plate is lifted to the end part of the conveying belt under the pushing of the pneumatic rod, the method comprises the steps that a supporting plate is limited to be conveyed out of a discharge hole, the supporting plate is recycled, a steel plate on the supporting plate leaves a coating furnace from the discharge hole under the action of inertia, the recycling plate descends to return to the end part of a conveying belt under the pushing of a pneumatic rod, the switching connection between the recycling plate and the recycling belt or between the recycling plate and the conveying belt is realized, and when the recycling plate is connected with the recycling belt, the supporting plate leaves the coating furnace from a supporting plate recycling hole below a feeding hole of the coating furnace under the driving of the recycling belt and is conveyed to a feeding table, the steel plate is clamped onto the feeding table by a secondary feeding device, the feeding table ascends and descends to adjust the feeding hole aligned to the coating furnace, and the steel plate and the supporting plate containing the steel plate are conveyed into the coating furnace by the secondary feeding device;
the film laminating machine is used for carrying out film laminating treatment on the steel plate and conveying the steel plate subjected to the film laminating treatment to the encoder;
the encoder is used for carrying out encoding treatment on the film paper on the steel plate and conveying the steel plate subjected to the encoding treatment to the blanking device;
the blanking device is used for clamping the steel plate to a storage area outside the coating production line for stacking and storing.
At present, in the vacuum coating industry, the existing coating equipment is required to clamp or hang the coating of the steel plate in a coating chamber for coating treatment, the loading capacity is small, the coating cost is high, and when the coating equipment is applied to a coating production line, the coating production line is continuously fed without interruption, so that the coating equipment cannot be suitable for coating production, a large amount of manpower and material resources are required to be input on loading and unloading of the coated steel plate, and the time and the labor are wasted, so that high production cost is caused.
Compared with the prior art, the coating production line has the advantages that the feeding device is used for feeding the steel plates into the coating furnace from the feeding port together with the supporting plates for placing one or more steel plates, coating treatment is carried out, a mechanism for clamping or hanging the steel plates is not needed to be arranged in the coating furnace, the steel plate feeding and discharging efficiency of the coating production line is improved, continuous coating treatment of the steel plates can be realized by continuously conveying the supporting plates into the coating furnace, and compared with the traditional single furnace coating equipment which needs to carry out manual feeding and discharging treatment after each coating treatment, the coating production line has the advantages of high automation degree, high feeding and discharging efficiency and capability of carrying out continuous coating, and the problems that the existing coating equipment needs to clamp or load the steel plates, is time-consuming and labor-consuming in feeding and discharging, and the coating efficiency is low are effectively solved.
As a further improvement of the invention, the pallet recovery device comprises a recovery plate and a pneumatic rod, wherein the pneumatic rod is arranged at the bottom of the coating furnace, the end part of the telescopic rod of the pneumatic rod is connected with the bottom of the recovery plate, and the telescopic rod is used for driving the recovery plate to lift in the coating furnace and recovering the pallet.
Further, a conveying belt driven in the machining direction of the coating production line and a recovery belt driven in the opposite direction of the machining direction of the coating production line are arranged in the coating furnace, the conveying belt is located above the recovery belt, the recovery plate is arranged at the end part of the recovery belt, and the recovery plate is lifted to the end part of the conveying belt under the pushing of the pneumatic rod to recover the supporting plate.
As a further improvement of the invention, the interior of the coating furnace is divided into a first vacuum chamber, a second vacuum chamber, a coating chamber, a third vacuum chamber and a fourth vacuum chamber in sequence along the coating direction, a door body structure for interval sealing is arranged at the joint between each chamber, the first vacuum chamber and the second vacuum chamber are connected with a vacuumizing device, and the third vacuum chamber and the fourth vacuum chamber are connected with an inflating device.
Further, the door body structure comprises a rotating shaft, a rotating block and a driving air cylinder, wherein the driving air cylinder is arranged on the outer side wall of the vacuum coating cavity, the top of the door body is connected with the rotating shaft, one end of the rotating shaft penetrates through the side wall of the vacuum coating cavity to be connected with the rotating block, the rotating block is connected with a piston rod of the driving air cylinder, and the rotating block is driven to rotate by means of expansion and contraction of the piston rod of the driving air cylinder to drive the rotating shaft to rotate to drive the swinging angle of the door body.
As a further improvement of the invention, the feeding port and the discharging port of the coating furnace are respectively provided with a rotatable door body, and the door bodies are used for sealing and isolating the coating furnace from the outside.
A coating process comprising any one of the above coating lines, comprising the steps of:
s1: the first-stage feeding device clamps the steel plates stacked on the steel plate storage table onto a conveying device, and the conveying device conveys the steel plates into the second-stage feeding device;
s2: the second-stage feeding device clamps the steel plate onto a feeding table, and the feeding table feeds the steel plate communicated with a supporting plate for accommodating the steel plate into a coating furnace for coating treatment;
s3: the steel plate after the film coating treatment sequentially enters a film coating machine for film coating treatment, so that a layer of film paper is adhered to the surface of the steel plate, and the steel plate is conveyed to a coding machine;
s4: the steel plate after the film coating treatment is coded in a coding machine and then is conveyed to a blanking device;
s5: and the blanking device clamps the coded steel plate outside the coating production line and stacks the steel plate in the storage area.
As a further improvement of the present invention, the step S3 further includes a process of repeatedly coating the steel plate, including the steps of:
q1: conveying the steel plate with incomplete coating or poor coating effect to a steel plate storage table;
q2: the manipulator of the primary feeding device grabs the steel plate onto the conveying device, and the conveying device conveys the steel plate into the secondary feeding device;
q3: a feeding gripper on the secondary feeding device grips and places the steel plate above a supporting plate on a feeding table;
q4: the feeding table is lifted and adjusted to be aligned with a feeding hole of the coating furnace, and a supporting plate on the feeding table and a plurality of steel plates placed on the supporting plate are sent into the coating furnace for coating treatment.
As a further improvement of the invention, a plurality of door bodies are arranged in the coating furnace, the coating furnace is divided into a first vacuum chamber, a second vacuum chamber, a coating chamber, a third vacuum chamber and a fourth vacuum chamber along the coating direction, the door bodies are arranged between each chamber, and the step S3 further comprises the following steps:
c1: the method comprises the steps that a supporting plate and a steel plate enter a coating furnace and sequentially pass through a first vacuum chamber and a second vacuum chamber, and when the supporting plate and the steel plate enter, a vacuumizing device communicated with the first vacuum chamber and the second vacuum chamber performs primary vacuumizing treatment and secondary vacuumizing treatment with sequentially increasing degrees on the first vacuum chamber and the second vacuum chamber, so that the vacuum degree of the first vacuum chamber and the second vacuum chamber is gradually increased to a high vacuum state;
c2: the supporting plate and the steel plate enter a coating chamber for vacuum coating treatment after being vacuumized in a first vacuum chamber and a second vacuum chamber;
and C3: the steel plate subjected to vacuum coating treatment and the supporting plate sequentially enter a third vacuum chamber and a fourth vacuum chamber, and after the supporting plate and the steel plate enter, an inflating device communicated with the third vacuum chamber and the fourth vacuum chamber performs primary inflating treatment and secondary inflating treatment with sequentially increasing degrees on the third vacuum chamber and the fourth vacuum chamber, so that the vacuum degree of the third vacuum chamber and the fourth vacuum chamber is gradually reduced to be close to or the same as the concentration of outside air;
and C4: after the pallet and the steel plate are subjected to inflation treatment of the third vacuum chamber and the fourth vacuum chamber, the steel plate enters a laminating machine for lamination treatment, and the pallet enters a pallet recovery device for recovery and utilization.
As a further improvement of the invention, the pallet recovery device is positioned below the film plating chamber, the end part of the pallet recovery device is provided with a lifting recovery plate, the recovery plate stretches into the fourth vacuum chamber, and the step C4 further comprises the following steps:
d1: after the supporting plate enters the fourth vacuum chamber, the position close to the discharge port is conveyed by a conveying belt in the coating furnace;
d2: the supporting plate enters the recovery plate, stays in the recovery plate under the blocking of the recovery plate, and the steel plate on the supporting plate leaves the coating furnace from the discharge hole under the action of inertia;
d3: the recovery plate descends, the supporting plate is transferred to the bottom of the coating furnace, and the supporting plate leaves the coating furnace from the supporting plate recovery port below the feeding port of the coating furnace under the drive of the recovery belt and is conveyed to the feeding table.
Based on the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. through setting up layer board recovery unit in the coating film stove, can carry out recycle to the layer board, solved because the coating film production line needs continuous uninterrupted coating film to handle, if do not carry out recycle to the layer board, then need throw in a large amount of layer boards, increase manufacturing cost, need collect the layer board simultaneously and deposit the processing, avoid the layer board to pile up on the coating film production line or scatter on the scene, influence the normal use of coating film production line, need throw in a large amount of human costs's problem.
2. Through the setting of one-level loading attachment, can press from both sides and get the cut steel sheet that stacks on the steel sheet storage bench and carry out vacuum coating treatment, also can press from both sides and get the incomplete steel sheet of coating film, or the poor steel sheet of coating film effect carries out vacuum coating treatment for the coating film application scope of production line improves, improves the effect and the yields of coating film simultaneously.
3. Through setting up the pay-off platform of liftable at the end of loading attachment for the pay-off platform can be through lifting adjustment height, when corresponding the feed inlet on the coating film stove, is used for sending into coating film stove interior progress vacuum coating processing simultaneously layer board and steel sheet, when corresponding the layer board recovery mouth of coating film stove, is used for retrieving the layer board in the coating film stove on the pay-off platform, loads the steel sheet that waits to coat film.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a process flow diagram of the present invention;
FIG. 3 is a flow chart of a steel plate coating process according to the present invention;
FIG. 4 is a flow chart of the vacuum coating process of the present invention;
FIG. 5 is a flow chart of a pallet recovery process of the present invention;
FIG. 6 is a schematic diagram of a pallet recovery structure of the coating furnace of the present invention;
fig. 7 is a schematic structural view of the door structure of the present invention.
Detailed Description
The invention relates to a steel plate continuous coating production line and a coating process with the accompanying drawings.
Example 1:
as shown in fig. 1, the steel plate continuous coating production line comprises a primary feeding device 1, a conveying device 2, a secondary feeding device 3, a coating furnace 4, a coating machine 5, a coding machine 6 and a discharging device 7 which are sequentially arranged along the coating direction;
the primary feeding device 1 is erected above the secondary feeding device 3 and is used for clamping stacked steel plates on a steel plate storage table arranged on one side of the secondary feeding device 3 onto the conveying device 2.
Specifically, the primary feeding device 1 may be regarded as a mechanical gripper device, the conveying device 2 is a conveyor belt device, and is used for conveying the steel plate into the secondary feeding device 3, the secondary feeding device 3 may be regarded as a pushing or conveying device, and the secondary feeding device 3 is used for clamping and conveying the steel plate into the coating furnace 4 for vacuum coating treatment.
The end of the secondary feeding device 3 of the embodiment is provided with a lifting feeding table 32, the feeding table 32 is provided with a supporting plate for loading the steel plate, and when the feeding table 32 sends the steel plate into the coating furnace 4 for vacuum coating treatment, the supporting plate follows the steel plate into the coating furnace 4, so that the steel plate does not need to be clamped or loaded in the coating furnace 4, and the loading and unloading efficiency of the coating furnace 4 is improved.
The steel plates rest on the pallet and at least one steel plate.
As shown in fig. 6, the coating furnace 4 is hollow, the front end and the rear end of the coating furnace are respectively provided with a feed port 407 and a discharge port 406, the secondary feeding device 3 feeds the steel plate together with the pallet loaded with the steel plate into the coating furnace 4 from the feed port 407, the coating furnace 4 feeds the steel plate from the discharge port 406 to the coating machine 5 for coating treatment, and the pallet is fed to the pallet recovery device 41 for recovery on the feeding table 32 for recycling and loading of the steel plate.
Specifically, the inside of the coating furnace 4 is divided into a plurality of mutually sealed chambers, including a first vacuum chamber 401, a second vacuum chamber 402, a coating chamber 403, a third vacuum chamber 404 and a fourth vacuum chamber 405, which are sequentially arranged along the coating direction, and the pallet and the steel plate sequentially pass through the chambers in the coating furnace 4.
The first vacuum chamber 401 and the second vacuum chamber 402 are connected with a vacuumizing device 44, the vacuumizing device 44 is provided with a first vacuum pump 441 and a second vacuum pump 442, the first vacuum pump 441 performs vacuumizing treatment on the first vacuum chamber 401, the second vacuum pump 442 performs vacuumizing treatment on the second vacuum chamber 402, and the vacuumizing degree is increased gradually, so that the vacuum degree in the first vacuum chamber 401 and the second vacuum chamber 402 is gradually increased, and when a steel plate enters the coating chamber 403, the vacuum degree in the coating chamber 403 meets the vacuum degree requirement of steel plate coating.
The third vacuum chamber 404 and the fourth vacuum chamber 405 are connected with an air charging device 45, the air charging device 45 is provided with a first air charging pump 451 and a second air charging pump 452, the first air charging pump 451 charges the third vacuum chamber 404, the second air charging pump 452 charges the fourth vacuum chamber 405, and the charging degree is increased, so that the vacuum degree in the third vacuum chamber 404 and the fourth vacuum chamber 405 is gradually reduced to the outside normal level, and the condition that the steel plate blanking is deformed or damaged due to air pressure difference is avoided.
The two ends of the pallet recovery device 41 are respectively close to the conveyor belts at the head end and the tail end of the coating furnace 4, and the tail end is communicated with the fourth vacuum chamber 405 and is used for receiving pallets.
Specifically, the tail end of the pallet recycling device 41 is provided with a lifting recycling plate 411, the recycling plate 411 is lifted into the fourth vacuum chamber 405, and is used for limiting the pallet to be conveyed from the discharge hole 406 to the laminating machine 5, and transferring the steel plate to the pallet recycling device 41, the pallet recycling device 41 conveys the pallet to a pallet recycling hole (not shown in the figure) below the feed hole 407, and the feeding table 32 descends to correspond to the pallet recycling hole and receives the pallet.
Further, an air pressure rod 412 connected to the bottom of the recovery plate 411 is disposed below the recovery plate 411, and the recovery plate 411 is driven to lift by the expansion and contraction of the air pressure rod 412, so as to switch the connection state with the recovery belt 43 or the conveying belt 42, thereby realizing the purpose of transferring the pallet from the conveying belt 42 to the recovery belt 43 for recovery and utilization.
Wherein, a plurality of rotatable door body structures 8 are arranged in the coating furnace 4, the door body structures 8 are arranged at the joint of the first vacuum chamber 401 and the second vacuum chamber 402, at the joint of the second vacuum chamber 402 and the coating chamber 403, at the joint of the coating chamber 403 and the third vacuum chamber 404, at the joint of the third vacuum chamber 404 and the fourth vacuum chamber 405 and at the feed inlet and the discharge outlet, and are used for mutually isolating and sealing the first vacuum chamber 401, the second vacuum chamber 402, the coating chamber 403, the third vacuum chamber 404 and the fourth vacuum chamber 405 and sealing the coating furnace 4 with the outside air.
It will be understood that the number of vacuum chambers in the coating furnace 4 is not only four, but also in this embodiment, the vacuum degree is gradually increased from the front section to the middle section, the vacuum degree is gradually decreased from the middle section to the end section, and the number of vacuum chambers in the middle section is more according to the length of the steel plate and the time required for coating, so that the coating is sufficiently performed in the middle section.
As shown in fig. 7, the door structure 8 of the vacuum chamber includes a door 81, a rotating shaft 82, a rotating block 83, and a driving cylinder 84, where the door 81 is disposed at a connection of the first vacuum chamber section 401 and the second vacuum chamber section 402, a connection of the second vacuum chamber section 402 and the coating section 403, a connection of the coating section 403 and the third vacuum chamber section 404, and a connection of the third vacuum chamber section 404 and the fourth vacuum chamber section 405, and is used for sealing and dividing the coating furnace 4; and is arranged at the feed inlet 407 and the discharge outlet 406 for isolating the interior of the coating furnace 4 from external air.
The rotating shaft 82 is arranged above the door body 81, is connected with the door body 81, drives the door body 81 to rotate by an angle, and realizes the switching between the sealing state and the opening state of the door body 81.
The rotating block 83 is disposed outside the coating furnace 4 and connected to the rotating shaft 82, specifically, two ends of the rotating shaft 82 penetrate through two side walls of the coating furnace 4 and are connected to the rotating block 83.
The driving cylinder 84 is fixedly arranged on the outer side wall of the film plating furnace 4, a piston rod 842 of the driving cylinder is connected with the rotating block 83, the rotating block 83 is driven to rotate by means of expansion and contraction of the piston rod 842, and accordingly the rotating shaft 82 is driven to rotate, the door body 81 swings to an angle, and the state of the door body 81 is switched.
Example 2:
as shown in fig. 2, a coating process of application example 1 includes the following steps:
s1: the primary feeding device 1 clamps the steel plates stacked on the steel plate storage table onto the conveying device 2, and the conveying device 2 conveys the steel plates into the secondary feeding device 3;
s2: the second-stage feeding device 3 clamps the steel plate onto a feeding table 32, and the feeding table 32 feeds the steel plate communicated with a supporting plate for accommodating the steel plate into a coating furnace 4 for coating treatment;
s3: the steel plate after the film coating treatment sequentially enters a film coating machine 5 for film coating treatment, so that a layer of film paper is adhered to the surface of the steel plate and is conveyed to a coder 6;
s4: the steel plate after the film coating treatment is coded in a coder 6 and then is conveyed to a blanking device 7;
s5: the blanking device 7 clamps the coded steel plate to the outside of the coating production line and stacks the steel plate in the storage area.
As shown in fig. 3, the method further comprises a repeated coating process of the steel plate applied in the step S3, comprising the following steps:
q1: the method comprises the steps of conveying a steel plate with incomplete coating or poor coating effect to a steel plate storage table by using a forklift;
q2: the manipulator 10 of the primary feeding device 1 grabs the steel plate onto the conveying device 2, and the conveying device 2 conveys the steel plate into the secondary feeding device 3;
q3: the feeding grip 31 on the secondary feeding device 3 grips and places the steel plate above the supporting plate on the feeding table 32;
q4: the feeding table 32 is lifted and regulated to be aligned with the feeding port of the coating furnace 4, and the supporting plate on the feeding table 32 and the steel plate placed on the supporting plate are sent into the coating furnace 4 for coating treatment.
Wherein, a plurality of rotatable door structures 8 are arranged in the coating furnace 4, the coating furnace 4 is sequentially divided into a first vacuum chamber 401, a second vacuum chamber 402, a coating chamber 403, a third vacuum chamber 404 and a fourth vacuum chamber 405 along the coating direction, and the door structures 8 are arranged between each two chambers.
As shown in fig. 4, the vacuum coating process applied in the coating furnace 4 in the above step S3 is further included, including the steps of:
c1: the supporting plate and the steel plate enter the coating furnace 4 and sequentially pass through the first vacuum chamber 401 and the second vacuum chamber 402, and when the supporting plate and the steel plate enter, a vacuumizing device communicated with the first vacuum chamber 401 and the second vacuum chamber 402 performs primary vacuumizing treatment and secondary vacuumizing treatment with sequentially increasing degrees on the first vacuum chamber 401 and the second vacuum chamber 402, so that the vacuum degree of the first vacuum chamber 401 and the second vacuum chamber 402 is gradually increased to a vacuum state;
c2: after the pallet and the steel plate are vacuumized in the first vacuum chamber 401 and the second vacuum chamber 402, the pallet and the steel plate enter a coating chamber 403 for vacuum coating treatment;
and C3: the steel plate subjected to vacuum coating treatment and the supporting plate sequentially enter a third vacuum chamber 404 and a fourth vacuum chamber 405, and after the supporting plate and the steel plate enter, an inflating device communicated with the third vacuum chamber 404 and the fourth vacuum chamber 405 performs primary inflating treatment and secondary inflating treatment with sequentially increasing degrees on the third vacuum chamber 404 and the fourth vacuum chamber 405, so that the vacuum degree of the third vacuum chamber 404 and the fourth vacuum chamber 405 is gradually reduced to be close to or the same as the concentration of outside air;
and C4: after the pallet and the steel plate are subjected to the inflation treatment in the third vacuum chamber 404 and the fourth vacuum chamber 405, the steel plate enters the laminator 5 to be subjected to the lamination treatment, and the pallet enters the pallet recovery device 41 to be recovered and utilized.
As shown in fig. 5, the pallet recycling process applied in the above step S3 is further included, including the steps of:
d1: after the pallet enters the fourth vacuum chamber 405, the pallet approaches the discharge port under the conveying of the conveying belt 42 in the coating furnace 4;
d2: the supporting plate enters the recovery plate 411, stays in the recovery plate 411 under the blocking of the recovery plate 411, and the steel plate on the supporting plate leaves the coating furnace 4 from the discharge hole under the action of inertia;
d3: the recovery plate 411 descends to transfer the pallet to the bottom of the coating furnace 4, and the pallet leaves the coating furnace 4 from the pallet recovery port below the feed port of the coating furnace 4 under the drive of the recovery belt 45 and is conveyed to the feed table 32.
The continuous steel plate coating production line and the coating process have the advantages of high loading and unloading efficiency and high coating efficiency, and effectively solve the problems that the existing coating equipment needs to clamp or load plates, the loading and unloading are time-consuming and labor-consuming, and the coating efficiency is low.
Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.
Claims (7)
1. The continuous coating production line for the steel plates is characterized by comprising a primary feeding device (1), a conveying device (2), a secondary feeding device (3), a coating furnace (4), a coating machine (5), a coder (6) and a blanking device (7) which are sequentially arranged along the coating direction;
the primary feeding device (1) adopts a manipulator device and is used for clamping the stacked steel plates onto the conveying device (2);
the conveying device (2) adopts a conveyor belt device and is used for conveying the steel plate to the secondary feeding device (3);
the secondary feeding device (3) adopts a pushing or conveying device and is used for pushing or conveying the steel plate into the coating furnace (4);
the coating furnace (4) is arranged in a hollow manner, a feed inlet and a discharge outlet are respectively arranged at the head end and the tail end, the steel plate and a supporting plate for accommodating the steel plate are fed into the coating furnace (4) from the feed inlet by the secondary feeding device (3), the coating furnace (4) is internally provided with a rolling coating film, and the steel plate after coating film treatment is conveyed to a film coating machine (5) from the discharge outlet;
the tail end of the secondary feeding device (3) is provided with a lifting feeding table (32), the feeding table (32) is provided with a supporting plate for loading steel plates, the secondary feeding device (3) further comprises a feeding gripper (31) for grabbing and placing the steel plates on the supporting plate on the feeding table (32), and the supporting plate and the steel plates are pushed into a feeding port of the coating furnace (4) through the secondary feeding device (3);
the utility model provides a coating machine, including a coating machine (4) and a coating machine (4) is equipped with along the processing direction transmission conveyer belt (42) and along the processing direction transmission recovery area (43) of coating machine, conveyer belt (42) are located the top of recovery area (43), be equipped with layer board recovery unit (41) in coating machine (4) for the layer board that gets into in coating machine (4) is carried back on second grade loading attachment (3), layer board recovery unit (41) include recovery board (411) and air pressure pole (412), recovery board (411) liftable set up in the tip of recovery area (43), air pressure pole (412) connect in the bottom of recovery board (411), drive recovery board (411) rise in coating machine (4) in the tip of recovery area (42), limit layer board is carried out from discharge gate (406) under the promotion of air pressure pole (412), and recovery board (411) are carried out from discharge gate under the effect of inertia, when recovery board (412) and recovery area (43) are connected to recovery board (43) under the effect of inertia, recovery board (411) are connected to recovery board (43), the supporting plate leaves the coating furnace (4) from a supporting plate recovery port below a feeding port of the coating furnace (4) under the drive of a recovery belt (43) and is conveyed to a feeding table (32), the steel plate is clamped onto the feeding table (32) by the secondary feeding device (3), the feeding table (32) is lifted and adjusted to be aligned with the feeding port of the coating furnace (4), and the steel plate and the supporting plate containing the steel plate are conveyed into the coating furnace (4) by the secondary feeding device (3);
the film laminating machine (5) is used for carrying out film laminating treatment on the steel plate and conveying the steel plate subjected to the film laminating treatment to the position of the encoder (6);
the encoder (6) is used for encoding the film paper on the steel plate and conveying the encoded steel plate to the blanking device (7);
the blanking device (7) is used for clamping the steel plate to a storage area outside the coating production line for stacking and storing.
2. The continuous steel plate coating production line according to claim 1, wherein the coating furnace (4) is internally divided into a first vacuum chamber (401), a second vacuum chamber (402), a coating chamber (403), a third vacuum chamber (404) and a fourth vacuum chamber (405) along the coating direction in sequence, a door body structure (8) for interval sealing is arranged at the joint between each chamber, the first vacuum chamber (401) and the second vacuum chamber (402) are connected with a vacuumizing device (44), and the third vacuum chamber (404) and the fourth vacuum chamber (405) are connected with an inflating device (45).
3. The continuous steel plate coating production line according to claim 2, wherein the door body structure (8) comprises a rotating shaft (82), a rotating block (83) and a driving air cylinder (84), the driving air cylinder (84) is arranged on the outer side wall of the adjacent chamber, the top of the door body (81) is connected with the rotating shaft (82), one end of the rotating shaft (82) penetrates through the side wall of the adjacent chamber to be connected with the rotating block (83), the rotating block (83) is connected with a piston rod (842) of the driving air cylinder (84), and the rotating block (83) is driven to rotate by means of expansion and contraction of the piston rod (842) of the driving air cylinder (84), so that the rotating shaft (82) is driven to rotate to drive the door body (81) to swing by an angle.
4. A coating process comprising the coating line according to any one of claims 1 to 3, comprising the steps of:
s1: the primary feeding device (1) clamps the steel plates stacked on the steel plate storage table onto the conveying device (2), and the conveying device (2) conveys the steel plates into the secondary feeding device (3);
s2: the second-stage feeding device (3) clamps the steel plate onto a feeding table (32), and the feeding table (32) sends a supporting plate for accommodating the steel plate through the steel plate into a coating furnace (4) for coating treatment;
s3: the steel plate after the film coating treatment sequentially enters a film coating machine (5) for film coating treatment, so that a layer of film paper is adhered to the surface of the steel plate and is conveyed to a coder (6);
s4: the steel plate after the film coating treatment is coded in a coder (6) and then is conveyed to a blanking device (7);
s5: and the blanking device (7) clamps the coded steel plate outside the coating production line and stacks the steel plate in the storage area.
5. The coating process according to claim 4, wherein the step S2 further comprises a step of repeating the coating process for the steel sheet, comprising the steps of:
q1: conveying the steel plate with incomplete coating or poor coating effect to a steel plate storage table;
q2: the manipulator (10) of the primary feeding device (1) grabs the steel plate onto the conveying device (2), and the conveying device (2) conveys the steel plate into the secondary feeding device (3);
q3: a feeding gripper (31) on the secondary feeding device (3) grabs and places the steel plate above a supporting plate on a feeding table (32);
q4: the feeding table (32) is lifted and adjusted to be aligned with a feeding hole of the coating furnace (4), and a supporting plate on the feeding table (32) and a plurality of steel plates placed on the supporting plate are fed into the coating furnace (4) for coating treatment.
6. The coating process according to claim 4, wherein a plurality of door structures (8) are disposed in the coating furnace (4), the coating furnace (4) is sequentially divided into a first vacuum chamber (401), a second vacuum chamber (402), a coating chamber (403), a third vacuum chamber (404) and a fourth vacuum chamber (405) along the coating direction, the door structures (8) are disposed between each chamber, and the step S3 further comprises the following steps:
c1: the method comprises the steps that a supporting plate and a steel plate enter a coating furnace (4) and sequentially pass through a first vacuum chamber (401) and a second vacuum chamber (402), and after the supporting plate and the steel plate enter, a vacuumizing device communicated with the first vacuum chamber (401) and the second vacuum chamber (402) performs primary vacuumizing treatment and secondary vacuumizing treatment with sequentially increasing degrees on the first vacuum chamber (401) and the second vacuum chamber (402), so that the vacuum degree of the first vacuum chamber (401) and the vacuum degree of the second vacuum chamber (402) are gradually increased to a high-vacuum degree vacuum state;
c2: the supporting plate and the steel plate enter a coating chamber (403) for vacuum coating after being vacuumized by a first vacuum chamber (401) and a second vacuum chamber (402);
and C3: the steel plate subjected to vacuum coating treatment sequentially enters a third vacuum chamber (404) and a fourth vacuum chamber together with a supporting plate, and after the supporting plate and the steel plate enter, an inflating device communicated with the third vacuum chamber (404) and the fourth vacuum chamber (405) performs primary inflating treatment and secondary inflating treatment with sequentially increasing degrees on the third vacuum chamber (404) and the fourth vacuum chamber (405), so that the vacuum degree of the third vacuum chamber (404) and the fourth vacuum chamber (405) is gradually reduced to be close to or the same as the concentration of outside air;
and C4: after the pallet and the steel plate are subjected to inflation treatment of the third vacuum chamber (404) and the fourth vacuum chamber (405), the steel plate enters a film laminating machine (5) for film laminating treatment, and the pallet enters a pallet recovery device (41) for recovery and utilization.
7. The coating process according to claim 6, wherein the pallet recovery device (41) is located below the coating chamber, a lifting recovery plate (411) is provided at an end portion, the recovery plate (411) extends into the fourth vacuum chamber, and the step C4 further comprises the steps of:
d1: after the supporting plate enters the fourth vacuum chamber, the position close to the discharge hole is conveyed by a conveying belt (42) in the coating furnace (4);
d2: the supporting plate enters a recovery plate (411), stays in the recovery plate (411) under the blocking of the recovery plate (411), and a steel plate on the supporting plate leaves the coating furnace (4) from a discharge hole under the action of inertia;
d3: the recovery plate (411) descends, the supporting plate is transferred to the bottom of the coating furnace (4), and the supporting plate is driven by the recovery belt (45) to leave the coating furnace (4) from the supporting plate recovery port below the feeding port of the coating furnace (4) and is conveyed to the feeding table (32).
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Application publication date: 20210615 Assignee: Hunan Hongwang New Material Technology Co.,Ltd. Assignor: ZHAOQING HONGWANG METAL INDUSTRIAL Co.,Ltd. Contract record no.: X2023980044392 Denomination of invention: A continuous coating production line and coating process for steel plates Granted publication date: 20230718 License type: Common License Record date: 20231024 |
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Denomination of invention: A steel plate continuous coating production line and coating process Granted publication date: 20230718 Pledgee: Agricultural Bank of China Limited Nanhai Guicheng Branch Pledgor: ZHAOQING HONGWANG METAL INDUSTRIAL Co.,Ltd. Registration number: Y2024980033441 |