CN112962081A - Continuous coating production line and coating process for steel plate - Google Patents
Continuous coating production line and coating process for steel plate Download PDFInfo
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- CN112962081A CN112962081A CN202110141147.2A CN202110141147A CN112962081A CN 112962081 A CN112962081 A CN 112962081A CN 202110141147 A CN202110141147 A CN 202110141147A CN 112962081 A CN112962081 A CN 112962081A
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- 238000000576 coating method Methods 0.000 title claims abstract description 227
- 239000011248 coating agent Substances 0.000 title claims abstract description 212
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 166
- 239000010959 steel Substances 0.000 title claims abstract description 166
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 40
- 238000003860 storage Methods 0.000 claims abstract description 14
- 238000010030 laminating Methods 0.000 claims abstract description 12
- 238000011084 recovery Methods 0.000 claims description 62
- 238000001771 vacuum deposition Methods 0.000 claims description 20
- 239000007888 film coating Substances 0.000 claims description 14
- 238000009501 film coating Methods 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 238000004064 recycling Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000007747 plating Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000006872 improvement Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000002699 waste material Substances 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
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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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
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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
- C23C14/50—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 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 film laminating machine, an encoding machine and a blanking device which are sequentially arranged along a coating direction; the primary 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 laminating machine is used for carrying out laminating treatment on the steel plate and conveying the steel plate subjected to laminating treatment to the coding machine; the coding machine is used for coding the film paper on the steel plate and conveying the steel plate subjected to coding treatment to the blanking device; the blanking device is used for stacking and storing the steel plate clip in a storage area outside the coating production line. Also discloses a coating process applying the steel plate continuous coating production line, which 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 technology is a process of transferring atoms or molecules from a source material to the surface of a plate to be coated by realizing substance transfer through a physical process in a vacuum environment. The plating on the plate can make the plate have some special properties which the plate does not originally have, such as: high strength, wear resistance, high temperature resistance, corrosion resistance and the like.
In the vacuum coating industry, the existing coating technology mainly utilizes a clamp or a hanger to load a plate into a coating chamber for coating, so that the loading capacity is small, and the coating cost is high; for some plates which are too large or too small in size and difficult to clamp or load by a hanging frame, even though the plates can be loaded into a vacuum coating chamber for coating, the loading and the taking of the plates also take time, and the loading and unloading efficiency is extremely low.
Therefore, there is a need to develop a continuous coating line with high automation degree for steel plates without clamping and loading plates, and a coating process using the coating line, so as to solve the above 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, and the coating efficiency is low due to time and labor waste in feeding and discharging.
In order to achieve the purpose, the specific implementation scheme of the coating production line provided by the invention is as follows:
a steel plate continuous coating production line comprises a primary feeding device, a conveying device, a secondary feeding device, a coating furnace, a film laminating machine, an encoding machine and a discharging device which are sequentially arranged along a coating direction;
the primary 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 arranged in a hollow mode, a feeding hole and a discharging hole are formed in the head end and the tail end of the coating furnace respectively, the steel plate and a supporting plate for accommodating the steel plate are fed into the coating furnace from the feeding hole through a feeding device, coating is carried out in the coating furnace in a rolling mode, and the coated steel plate is conveyed to a film laminating machine from the discharging hole;
the film laminating machine is used for carrying out film laminating treatment on the steel plate and conveying the steel plate subjected to film laminating treatment to the coding machine;
the coding machine is used for coding the film paper on the steel plate and conveying the steel plate subjected to coding treatment to the blanking device;
and the blanking device is used for taking the steel plate clamp out of the coating production line and stacking and storing the steel plate clamp in a material storage area.
At present, in the vacuum coating industry, the coating film of steel sheet all needs the centre gripping or hangs and establish and carry out coating film processing in the coating film cavity to current coating equipment, and the load capacity is little, and the coating film is with high costs to when using on the coating film production line, the coating film production line is that the continuous uninterrupted feeding, can lead to coating film equipment can't adapt to under the coating film production, need input a large amount of manpower and materials on the last unloading of coating film steel sheet, waste time and energy, cause high manufacturing cost.
Compared with the prior art, the coating production line of the invention has the advantages that the coating furnace is arranged in the hollow manner, the head end and the tail end of the coating furnace are used for feeding and discharging steel plates through the arrangement of the feeding hole and the discharging hole, the steel plates and the supporting plate for placing one or more steel plates are fed into the coating furnace from the feeding hole by the feeding device for coating treatment, a mechanism for clamping or hanging the steel plates is not required to be arranged in the coating furnace, the feeding and discharging efficiency of the steel plates of the coating production line is improved, the steel plates can continuously enter the coating furnace through the conveying supporting plate, the continuous coating treatment of the steel plates is realized, compared with the traditional single furnace coating equipment which needs manual feeding and discharging after each coating treatment, the coating production line of the invention has high automation degree, high feeding and discharging efficiency and can carry out continuous coating, the problem that the existing, the feeding and discharging are time-consuming and labor-consuming, and the coating efficiency is low.
As a further improvement of the invention, the supporting plate recovery device comprises a recovery plate and an air pressure rod, wherein the air pressure rod is arranged at the bottom of the coating furnace, the end part of a telescopic rod of the air pressure rod is connected with the bottom of the recovery plate, and the recovery plate is driven to lift in the coating furnace by utilizing the telescopic action of the telescopic rod so as to recover the supporting plate.
Furthermore, a conveying belt which is driven along the processing direction of the coating production line and a recovery belt which is driven along the opposite direction of the processing direction of the coating production line are arranged in the coating furnace, the conveying belt is positioned above the recovery belt, the recovery plate is arranged at the end part of the recovery belt, and the recovery plate is pushed by the air pressure rod to rise to the end part of the conveying belt to recover the supporting plate.
As a further improvement of the invention, the interior of the coating furnace is sequentially 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, a door body structure for interval sealing is arranged at the joint between every two chambers, 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, door body structure includes pivot, turning block and drives actuating cylinder, it locates to drive actuating cylinder on the lateral wall of vacuum coating cavity, the top of the door body is connected the pivot, the one end of pivot is run through the lateral wall of vacuum coating cavity is connected the turning block, the turning block with the piston rod that drives actuating cylinder is connected, utilizes the flexible of the piston rod that drives actuating cylinder, drives the turning block and rotates, orders about the pivot rotation, drives a body swing angle.
As a further improvement of the invention, rotatable door bodies are arranged at the feed inlet and the discharge outlet of the coating furnace and are used for sealing and isolating the coating furnace from the outside.
A coating process comprises any one of the coating production lines, and comprises the following steps:
s1: the primary feeding device clamps the steel plates stacked on the steel plate storage table onto the conveying device, and the conveying device conveys the steel plates into the secondary feeding device;
s2: the secondary feeding device clamps the steel plate on a feeding table, and the feeding table feeds the steel plate to a supporting plate accommodating the steel plate into a coating furnace for coating treatment;
s3: sequentially feeding the coated steel plate into 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 conveying the steel plate to a coding machine;
s4: the steel plate after the film covering treatment is coded in a coding machine and then conveyed to a blanking device;
s5: and the steel plate clamp after the coding treatment is taken out of the coating production line by the blanking device and stacked in the storage area.
As a further improvement of the present invention, the step S3 further includes a steel plate repeated coating process, including the following steps:
q1: conveying the steel plate with incomplete coating or poor coating effect to a steel plate storage platform;
q2: the steel plate is grabbed onto the conveying device by a mechanical arm of the primary feeding 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 the feeding table;
q4: the lifting adjustment of the feeding table is aligned with the feeding hole of the coating furnace, and the supporting plate on the feeding table and a plurality of steel plates placed on the supporting plate are fed into the coating furnace together for coating treatment.
As a further improvement of the present invention, a plurality of door bodies are provided in the coating furnace, the interior of the coating furnace is sequentially divided into a first vacuum chamber, a second vacuum chamber, a coating chamber, a third vacuum chamber and a fourth vacuum chamber along a coating direction, the door bodies are provided between each chamber, and the step S3 further includes the following steps:
c1: the supporting plate and the steel plate enter the coating furnace and sequentially pass through the first vacuum chamber and the second vacuum chamber, and after the supporting plate and the steel plate enter the coating furnace, 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 degrees of the first vacuum chamber and the second vacuum chamber are gradually increased to a high vacuum state;
c2: after the support plate and the steel plate are subjected to vacuum pumping treatment in the first vacuum chamber and the second vacuum chamber, the support plate and the steel plate enter a coating chamber to be subjected to vacuum coating treatment;
c3: the steel plate after 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 air charging device communicated with the third vacuum chamber and the fourth vacuum chamber performs primary air charging treatment and secondary air charging treatment with sequentially increasing degrees on the third vacuum chamber and the fourth vacuum chamber, so that the vacuum degrees of the third vacuum chamber and the fourth vacuum chamber are gradually reduced to be close to or equal to the concentration of outside air;
c4: after the bearing plate and the steel plate are subjected to inflation treatment in the third vacuum chamber and the fourth vacuum chamber, the steel plate enters the film covering machine for film covering treatment, and the bearing plate enters the bearing plate recovery device for recovery and utilization.
As a further improvement of the present invention, the supporting plate recycling device is located below the coating chamber, a lifting recycling plate is disposed at an end of the supporting plate recycling device, the recycling plate extends into the fourth vacuum chamber, and the step C4 further includes the following steps:
d1: after the supporting plate enters the fourth vacuum chamber, the supporting plate is conveyed by a conveying belt in the coating furnace to be close to a discharge port;
d2: the supporting plate enters the recovery plate and 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 port under the action of inertia;
d3: the recovery plate descends, the supporting plate is transferred to the bottom of the coating furnace, and the film-coating furnace is separated from the supporting plate recovery opening below the feeding opening 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 set up layer board recovery unit in the coating film furnace, can carry out recycle to the layer board, solved because the coating film production line needs the coating film processing of uninterrupted in succession, if do not carry out recycle to the layer board, then need drop into a large amount of layer boards, increase manufacturing cost, need collect the processing of depositing to the layer board simultaneously, avoid the layer board to pile up on the coating film production line or scatter on the spot, influence the normal use of coating film production line, need drop into a large amount of human costs's problem.
2. Through one-level loading attachment's setting, can press from both sides and get the steel sheet that piles up cutting on the steel sheet storage platform and carry out vacuum coating and handle, also can press from both sides and get the incomplete steel sheet of coating film, or the steel sheet that the coating film effect is poor carries out vacuum coating and handles for the coating film application scope of production line improves, improves the effect and the yields of coating film simultaneously.
3. The lifting feeding table is arranged at the tail end of the feeding device, so that the feeding table can adjust the height through lifting and is used for simultaneously feeding the supporting plate and the steel plate into the coating furnace for progress vacuum coating treatment when corresponding to a feeding port on the coating furnace, and the supporting plate in the coating furnace is recovered to the feeding table when corresponding to a supporting plate recovery port of the coating furnace, so that the steel plate to be coated is loaded.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a process flow diagram of the present invention;
FIG. 3 is a flow chart of a coating process for a steel plate 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 diagram of a pallet recycling process of the present invention;
FIG. 6 is a schematic view of a pallet recycling structure of the coating furnace according to the present invention;
fig. 7 is a schematic structural view of the door body structure of the present invention.
Detailed Description
The invention relates to a steel plate continuous coating production line and a coating process, which are described in the following with reference to the accompanying drawings.
Example 1:
as shown in figure 1, the continuous coating production line for the steel plate comprises a primary feeding device 1, a conveying device 2, a secondary feeding device 3, a coating furnace 4, a film coating machine 5, an encoding machine 6 and a coating machine
The primary feeding device 1 is erected above the secondary feeding device 3 and used for clamping steel plates stacked on a steel plate storage platform arranged on one side of the secondary feeding device 3 onto the conveying device 2.
Specifically, the primary feeding device 1 can be regarded as a mechanical gripper, the conveying device is a conveyor belt device and is used for conveying the steel plate into the secondary feeding device 3, the secondary feeding device 3 can 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 3 ends of second grade loading attachment of this embodiment are equipped with the pay-off platform 32 of liftable, be equipped with the layer board that is used for loading the steel sheet on the pay-off platform 32, when pay-off platform 32 sent the steel sheet into coating film furnace 4 in and carry out vacuum coating and handle, the layer board is followed in the steel sheet gets into coating film furnace 4 for the steel sheet need not to carry out centre gripping or loading in coating film furnace 4 and handles, has improved the last unloading efficiency of coating film furnace 4.
The steel plate is placed on the supporting plate, and at least one steel plate is placed.
As shown in fig. 6, the coating furnace 4 is hollow, a feed inlet 407 and a discharge outlet 406 are respectively arranged at the head end and the tail end, the two-stage feeding device 3 feeds the steel plate and the steel plate-loaded pallet into the coating furnace 4 from the feed inlet 407, the coating furnace 4 conveys the steel plate from the discharge outlet 406 to the coating machine 5 for coating treatment, and the pallet is conveyed to the pallet recovery device 41 to be recovered on the feed table 32 for reuse in loading the steel plate.
Specifically, the interior of the coating furnace 4 is divided into a plurality of mutually sealed chambers, and the chambers comprise 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 supporting plate 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 43, the vacuumizing device 43 is provided with a first vacuum pump 431 and a second vacuum pump 432, the first vacuum pump 431 performs vacuumizing treatment on the first vacuum chamber 401, the second vacuum pump 432 performs vacuumizing treatment on the second vacuum chamber 402, and the vacuumizing degree is gradually increased, so that the vacuum degree in the first vacuum chamber 401 and the vacuum degree in the second vacuum chamber 402 are 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 coating of the steel plate.
The third vacuum chamber 404 and the fourth vacuum chamber 405 are connected with an inflation device 44, the inflation device 44 is provided with a first inflation pump 441 and a second inflation pump 442, the first inflation pump 441 inflates the third vacuum chamber 404, the second inflation pump 442 inflates the fourth vacuum chamber 405, and the inflation degree is increased progressively, so that the vacuum degrees in the third vacuum chamber 404 and the fourth vacuum chamber 405 are gradually reduced to an external normal level, and the condition that the blanking of the steel plate is deformed or damaged due to air pressure difference is avoided.
The two ends of the supporting plate 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 of the supporting plate recovery device is communicated with the fourth vacuum chamber 405 and used for receiving a supporting plate.
Specifically, the tail end of the pallet recovery device 41 is provided with a liftable recovery plate 411, the recovery plate 411 is lifted into the fourth vacuum chamber 405 to limit the pallet from being conveyed from the discharge port 406 to the laminating machine 5, and the steel plate is transferred to the pallet recovery device 41, the pallet recovery device 41 conveys the steel plate to a pallet recovery port (not shown in the figure) below the feed port 407, and the feeding table 32 descends to correspond to the pallet recovery port to receive the pallet.
Furthermore, an air pressure rod 412 connected with the bottom of the recovery plate 411 is arranged below the recovery plate 411, the recovery plate 411 is driven to lift by the expansion and contraction of the air pressure rod 412, the connection state with the recovery belt 43 or the conveying belt 42 is switched, and the purpose that the pallet is transferred from the conveying belt 42 to the recovery belt 43 for recovery and utilization is achieved.
The coating furnace 4 is internally provided with a plurality of rotatable door body structures 8, each door body structure 8 is arranged at the joint of the first vacuum chamber 401 and the second vacuum chamber 402, the joint of the second vacuum chamber 402 and the coating chamber 403, the joint of the coating chamber 403 and the third vacuum chamber 404, the joint of the third vacuum chamber 404 and the fourth vacuum chamber 405, and the feed inlet and the discharge outlet, and is used for 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 in an isolated manner and sealing the coating furnace 4 from the outside air in a sealed manner.
It can be understood that the number of the vacuum chambers in the coating furnace 4 is not only four, but also only a principle explanation is made in this embodiment, the vacuum degree is gradually increased from the front section to the middle section, and the vacuum degree is gradually decreased from the middle section to the end section, and according to the length of the steel plate and the time required for coating, there are many vacuum chambers in the middle section, so that sufficient coating can be performed in the middle section.
As shown in fig. 7, the door body structure 8 of the vacuum chamber comprises a door body 81, a rotating shaft 82, a rotating block 83 and a driving cylinder 84, wherein the door body 81 is arranged at the connection between the first vacuum chamber section 401 and the second vacuum chamber section 402, the connection between the second vacuum chamber section 402 and the coating section 403, the connection between the coating section 403 and the third vacuum chamber section 404 and the connection between 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 inside of the coating furnace 4 from the external air.
The rotating shaft 82 is arranged above the door body 81 and connected with the door body 81 to drive the door body 81 to rotate by an angle, so that the switching between the sealing state and the opening state of the door body 81 is realized.
The rotating block 83 is arranged outside the coating furnace 4 and connected with the rotating shaft 82, and specifically, two ends of the rotating shaft 82 penetrate through two side walls of the coating furnace 4 and are connected with the rotating block 83.
The driving cylinder 84 is fixedly arranged on the outer side wall of the coating furnace 4, a piston rod 842 of the driving cylinder is connected with the rotating block 83, and the rotating block 83 is driven to rotate by the expansion and contraction of the piston rod 842 of the driving cylinder, so that the rotating shaft 82 is driven to rotate, the swing angle of the door body 81 is driven, and the state of the door body 81 is switched.
Example 2:
as shown in fig. 2, a plating process using example 1 includes the following steps:
s1: the primary feeding device 1 clamps and takes 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 secondary feeding device 3 clamps the steel plate onto a feeding table 32, and the feeding table 32 feeds the steel plate to a supporting plate for accommodating the steel plate into a coating furnace 4 for coating;
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 an encoding machine 6;
s4: the steel plate after the film covering treatment is coded in a coding machine 6 and then conveyed to a blanking device 7;
s5: and the blanking device 7 clamps the steel plate subjected to coding treatment 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 includes the step of repeating the coating process on the steel plate in step S3, including the steps of:
q1: transporting the steel plate with incomplete coating or poor coating effect to a steel plate storage platform by using a forklift;
q2: the steel plate is grabbed onto the conveying device 2 by the manipulator 10 of the primary feeding device 1, and the steel plate is conveyed into the secondary feeding device 3 by the conveying device 2;
q3: a feeding gripper 31 on the secondary feeding device 3 grips and places the steel plate above a supporting plate on a feeding table 32;
q4: the lifting adjustment of the feeding platform 32 is aligned with the feeding hole of the coating furnace 4, and the supporting plate on the feeding platform 32 and a plurality of steel plates placed on the supporting plate are fed into the coating furnace (4) together for coating treatment.
The coating furnace 4 is internally provided with a plurality of rotatable door structures 8, the interior of 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 every two chambers.
As shown in fig. 4, the vacuum coating process applied in the coating furnace 4 in the step S3 includes the following steps:
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 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 degrees of the first vacuum chamber 401 and the second vacuum chamber 402 are gradually increased to a vacuum state;
c2: after the support plate and the steel plate are subjected to vacuumizing treatment in a first vacuum chamber 401 and a second vacuum chamber 402, the support plate and the steel plate enter a coating chamber 403 for vacuum coating treatment;
c3: the steel plate after 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 air charging device communicated with the third vacuum chamber 404 and the fourth vacuum chamber 405 performs primary air charging treatment and secondary air charging treatment with sequentially increasing degrees on the third vacuum chamber 404 and the fourth vacuum chamber 405, so that the vacuum degrees of the third vacuum chamber 404 and the fourth vacuum chamber 405 are gradually reduced to be close to or equal to the concentration of outside air;
c4: after the pallets and the steel plates are subjected to inflation treatment in the third vacuum chamber 404 and the fourth vacuum chamber 405, the steel plates enter the film coating machine 5 for film coating treatment, and the pallets enter the pallet recovery device 41 for recovery and utilization.
As shown in fig. 5, the method further includes the pallet recycling process applied in step S3, including the following steps:
d1: after the supporting plate enters the fourth vacuum chamber 405, the supporting plate is conveyed by a conveying belt 44 in the coating furnace 4 and approaches to a discharge port;
d2: the supporting plate enters the recovery plate 411 and 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 port under the action of inertia;
d3: the recovery plate 411 descends, transfers the pallet to the bottom of the coating furnace 4, 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 coating production line and the coating process for the steel plate have the advantages of high loading and unloading efficiency and high coating efficiency, and effectively solve the problem that the existing coating equipment needs to clamp or load plates, and the loading and unloading are time-consuming and labor-consuming, so that the coating efficiency is low.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. A steel plate continuous coating production line is characterized by comprising a primary feeding device (1), a conveying device (2), a secondary feeding device (3), a coating furnace (4), a film laminating machine (5), an encoding machine (6) and a blanking device (7) which are sequentially arranged along a coating direction;
the primary feeding device (1) is used for clamping the stacked steel plates to the conveying device (2);
the conveying device (2) is used for conveying the steel plate to the secondary feeding device (3);
the secondary feeding device (3) is used for conveying the steel plate into the coating furnace (4);
the coating furnace (4) is arranged in a hollow mode, a feeding hole and a discharging hole are formed in the head end and the tail end of the coating furnace respectively, the steel plate and a supporting plate for accommodating the steel plate are fed into the coating furnace (4) through the feeding hole by the secondary feeding device (3), the coating furnace (4) is used for rolling for coating, and the coated steel plate is conveyed to the laminating machine (5) through the discharging hole;
the film covering machine (5) is used for carrying out film covering treatment on the steel plate and conveying the steel plate after the film covering treatment to the coding machine (6);
the coding machine (6) is used for coding the film paper on the steel plate and conveying the steel plate subjected to coding treatment to the blanking device (7);
and the blanking device (7) is used for stacking and storing the steel plate clip in a material storage area outside the coating production line.
2. The continuous coating production line of steel plates according to claim 1, characterized in that a supporting plate recovery device (41) is arranged in the coating furnace (4), and the supporting plate recovery device (41) is used for conveying the supporting plates entering the coating furnace (4) back to the secondary feeding device (3).
3. The continuous coating production line of steel plates according to claim 2, characterized in that the pallet recovery device (41) comprises a recovery plate (411) and an air pressure rod (412), the air pressure rod (412) is arranged at the bottom of the coating furnace (4), the end of a telescopic rod of the air pressure rod is connected with the bottom of the recovery plate (411), and the recovery plate (411) is driven to lift in the coating furnace (4) by the telescopic action of the telescopic rod to recover the pallet.
4. The continuous coating production line of steel plates according to claim 3, characterized in that a conveying belt (42) driven along the processing direction of the coating production line and a recovery belt (43) driven along the opposite direction of the processing direction of the coating production line are arranged in the coating furnace (4), the conveying belt (42) is positioned above the recovery belt (43), the recovery plate (411) is arranged at the end part of the recovery belt (43), and the recovery plate rises to the end part of the conveying belt (42) under the pushing of the air pressure rod (42) to recover the supporting plate.
5. The continuous coating production line of steel plates according to claim 1, characterized in that the interior of 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, a door body structure (8) for sealing at intervals is arranged at the joint of each chamber, the first vacuum chamber (401) and the second vacuum chamber (402) are connected with a vacuum pumping device (44), and the third vacuum chamber (404) and the fourth vacuum chamber (405) are connected with an air charging device (45).
6. The continuous coating production line of steel plates according to claim 5, characterized in that the door body structure (8) comprises a rotating shaft (82), a rotating block (83) and a driving cylinder (84), the driving cylinder (84) is arranged on the outer side wall of the vacuum coating chamber (1), 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 vacuum coating chamber to be connected with the rotating block (83), the rotating block (83) is connected with a piston rod (842) of the driving cylinder (84), and the rotating block (83) is driven to rotate by the expansion and contraction of the piston rod (842) of the driving cylinder (84), so that the rotating shaft (82) is driven to rotate, and the swing angle of the door body (81) is driven.
7. A coating process, comprising the coating line of any one of claims 1 to 6, 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 secondary feeding device (3) clamps the steel plate on a feeding table (32), and the feeding table (32) feeds the steel plate to a supporting plate for accommodating the steel plate into a coating furnace (4) for coating;
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 coding machine (6);
s4: the steel plate after the film covering treatment is coded in a coding machine (6) and then conveyed to a blanking device (7);
s5: and the blanking device (7) clamps the steel plate subjected to coding treatment to the outside of the coating production line and stacks the steel plate in the storage area.
8. The plating process as claimed in claim 7, wherein the step S2 further comprises repeating the plating process on the steel plate, comprising the steps of:
q1: conveying the steel plate with incomplete coating or poor coating effect to a steel plate storage platform;
q2: a manipulator (10) of the primary feeding device (1) grabs the steel plate to 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) grips and places the steel plate above a supporting plate on a feeding table (32);
q4: the lifting adjustment of the feeding platform (32) is aligned with the feeding hole of the coating furnace (4), and the supporting plate on the feeding platform (32) and a plurality of steel plates placed on the supporting plate are fed into the coating furnace (4) together for coating treatment.
9. The coating process according to claim 7, wherein a plurality of door structures (8) are arranged in the coating furnace (4), the interior of 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 arranged between each two chambers, and the step S3 further comprises the following steps:
c1: the supporting plate and the steel plate enter a coating furnace (4), 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 degrees of the first vacuum chamber (401) and 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 subjected to vacuum pumping treatment of a first vacuum chamber (401) and a second vacuum chamber (402);
c3: the steel plate after vacuum coating treatment and the supporting plate sequentially enter a third vacuum chamber (404) and a fourth vacuum chamber, after the supporting plate and the steel plate enter, an air charging device communicated with the third vacuum chamber (404) and the fourth vacuum chamber (405) performs primary air charging treatment and secondary air charging treatment with sequentially increasing degrees on the third vacuum chamber (404) and the fourth vacuum chamber (405), so that the vacuum degrees of the third vacuum chamber (404) and the fourth vacuum chamber (405) are gradually reduced to be close to or equal to the concentration of outside air;
c4: after the supporting plate and the steel plate are subjected to inflation treatment in the third vacuum chamber (404) and the fourth vacuum chamber (405), the steel plate enters the film coating machine (5) for film coating treatment, and the supporting plate enters the supporting plate recovery device (41) for recovery and utilization.
10. The coating process according to claim 9, wherein the supporting plate recycling device (41) is located below the coating chamber, a lifting recycling plate (411) is arranged at the end of the supporting plate recycling device, the recycling plate (411) extends 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 supporting plate is conveyed by a conveying belt (44) in the coating furnace (4) and is close to a discharge port;
d2: the supporting plate enters the recovery plate (411) and 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 port under the action of inertia;
d3: the recovery plate (411) descends, the supporting plate is conveyed to the bottom of the coating furnace (4), and the supporting plate leaves the coating furnace (4) from a supporting plate recovery opening below a feed inlet of the coating furnace (4) under the drive of a recovery belt (45) and is conveyed onto a feeding table (32).
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Cited By (1)
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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 |