An intelligent pre-treatment center layout and process scheme for strip profile straightening and thin plate flattening

Abstract

The present invention relates to an intelligent pretreatment center layout and process scheme for strip profile straightening and thin plate flattening. The pretreatment center is designed with 13 stations according to the processing flow, which are composed of a profile loading station (two), a profile sandblasting station, a profile straightening station, a plate loading station, a plate preheating station, a plate sandblasting station, a plate flattening station, a plate painting station, a plate drying station, a plate discharging station, and a profile discharging station (two). The stations are connected by a longitudinal roller and a transverse device to form a complete intelligent pretreatment center layout. The stations (equipment) in the arrangement are highly integrated and intelligently controlled, and can complete the automatic pretreatment (sandblasting and painting) of 4-35 mm thick steel plates and HP 80*5-HP 430*25 mm bulb flat steels. Among them, the 4-10 mm thick steel plates are automatically flattened, and the HP 80*5-HP 220*12 mm bulb flat steels are automatically straightened. The whole line is fully automatically controlled, which can greatly save labor costs and improve processing efficiency.

Description

Technical Field

[0001] The invention relates to the field of luxury cruise ship construction, and in particular to an intelligent pre-processing center arrangement and process scheme for strip profile straightening and thin plate flattening. Background Art

[0002] Steel plates and profiles must be pre-treated before cutting and manufacturing to remove oil, scale and rust on the surface of the materials. After reaching the rust removal standard, they should be coated with shop primer for protection to ensure that the materials will not continue to corrode during the processing and manufacturing process. The conventional pretreatment line consists of a loading station, a preheating station, a sandblasting station, a painting station, a drying station, and a discharging station. After the steel plates and profiles are loaded at the loading station, they are preheated, sandblasted, painted and dried in sequence through roller conveyor transmission, and finally discharged from the discharging station.

[0003] For the construction of luxury cruise ships, the amount of thin plate construction is huge. The 5-8 mm thick thin plates in the cabin area account for more than 80%, of which most of the deck plates are only 5-5.5 mm thick; HP 80*5-100*6 mm bulb flat steel accounts for more than 50%. After the thin plates and small-sized bulb flat steels leave the steel mill, they will produce a certain degree of deformation during transportation and lifting, such as bending, twisting, and wave deformation. In addition, the preheating and sandblasting operations of the pretreatment line will also cause deformation and large internal stress in the 5-6 mm thick thin plates. If these deformations and internal stresses are not removed in time, they will affect the subsequent thin plate cutting and segmentation production accuracy.

[0004] Therefore, when building the thin plate sections of luxury cruise ships, a new pre-treatment station layout and process solution is needed, especially the leveling of thin plates and the straightening of small-sized bulb flat steels. Summary of the invention

[0005] The object of the present invention is to provide an intelligent pre-processing center arrangement and process scheme for strip profile straightening and thin plate flattening.

[0006] The present invention is achieved through the following technical solutions:

[0007] An intelligent pre-processing center arrangement structure with profile straightening and thin plate leveling, comprising a plate line, a profile line and a control device; the plate line is a main line, and sequentially comprises a plate loading station, a plate preheating station, a plate sandblasting station, a plate leveling station, an automatic painting station, a drying station and a plate discharging station; the profile line sequentially comprises a first profile loading station, a profile sandblasting station, a profile straightening station, an automatic painting station and a drying station shared with the main line, and a first profile discharging station;

[0008] Each workstation on the main line is located on the same longitudinal production line, and each workstation is connected by a longitudinal roller conveyor;

[0009] The first profile loading station and the profile sandblasting station of the profile line are located on the same longitudinal production line and are connected by a longitudinal roller conveyor; the profile straightening station is located between the profile sandblasting station and the automatic painting station, and the profile straightening station is connected to the profile sandblasting station and the automatic painting station respectively by a transverse moving device and a longitudinal moving roller conveyor, so that the profile line is merged into the main line through the transverse moving device after the profile straightening station, and then transported to the automatic painting station via the longitudinal moving roller conveyor of the main line, that is, the automatic painting station and the drying station are shared with the main line;

[0010] The control device is used to collect and transmit data between various station equipments, and control the operation of the transverse moving device and the longitudinal moving roller.

[0011] The present invention introduces a profile straightening station after the profile line sandblasting station and before it merges into the main line; introduces a thin plate leveling station after the plate sandblasting station and before the main line automatic painting station, thereby solving the problem of straightening small-size profiles and thin plates.

[0012] As a further improvement of the present invention, it also includes a second profile loading station, and the second profile loading station is located between the first profile loading station and the profile sand blasting station, and is connected to the first profile loading station and the profile sand blasting station through a longitudinal roller. The stacking areas in front of the two profile loading stations can stack profiles respectively. When all the profiles in the stacking area of ​​the first profile loading station are loaded, the loading personnel can continue loading at the second profile loading station, and at the same time, the driving machine replenishes a new batch of profiles to the stacking area of ​​the first profile loading station. When the profiles in the stacking area of ​​the second profile loading station are loaded, the loading personnel go to the first profile loading station to continue loading. This cycle ensures the continuity of profile pretreatment.

[0013] As a further improvement of the present invention, the outlet of the first profile loading station or the second profile loading station is connected to the entrance of the main line plate preheating station through a transverse movement device. When the loading profile specification is greater than HP 220*12 mm, the transverse movement device is started to directly transport the profile to the main line for processing.

[0014] As a further improvement of the present invention, it also includes a second profile discharging station, and the second profile discharging station is connected to the drying station.

[0015] As a further improvement of the present invention, the profile sandblasting station and the profile straightening station on the profile line are suitable for bulb flat steel with specifications between HP 80*5-HP220*12 mm. When the bulb flat steel specification is greater than HP220*12 mm, it is directly connected to the main line through the transverse movement device after the second profile loading station (2).

[0016] As a further improvement of the present invention, the control device is a PLC programmable controller. The PLC programmable controller is used to realize data collection and transmission between various station equipment, and accurately control the opening time of each station equipment and transmission device, processing parameters, etc. (including sandblasting range, profile straightening parameters, sheet metal flattening parameters, painting range, etc.).

[0017] The pretreatment center arrangement structure of the present invention is suitable for steel plates with a thickness in the range of 4-35 mm and bulb flat steel with specifications between HP80*5-HP 430*25 mm. The specific implementation is as follows:

[0018] When the material to be processed is a bulb flat steel with a specification between HP 80*5-220*12 mm, it is processed by the assembly line in step a;

[0019] When the material to be processed is a bulb flat steel with a specification of >HP 220*12 mm, it is processed by the assembly line in step b;

[0020] When the material to be processed is a steel plate with a thickness of 4-10 mm, it is processed by the assembly line in step c;

[0021] When the material to be processed is a steel plate with a thickness of more than 10 mm, it is processed in the assembly line in step d;

[0022] a Load the material from the profile loading station; sandblast the material at the profile sandblasting station, straighten the material at the profile straightening station, and then merge into the main line through the transverse moving device; on the main line, the material passes through the plate preheating station, plate sandblasting station and plate leveling station without operation through the longitudinal moving roller; after being painted at the automatic painting station and dried at the drying station, the material is discharged from the first profile discharging station or the second profile discharging station;

[0023] b. Load the material from the profile loading station; after the second profile loading station, it is merged into the main line through the transverse moving device; on the main line, it passes through the plate preheating station, plate sandblasting station and plate leveling station without operation through the longitudinal moving roller; after being painted at the automatic painting station and dried at the drying station, it is discharged from the first profile discharging station or the second profile discharging station;

[0024] c Load the plate from the plate loading station; and then unload the plate from the plate unloading station after being preheated at the plate preheating station, sandblasted at the plate sandblasting station, leveled at the plate leveling station, painted at the automatic painting station, and dried at the drying station.

[0025] d. Load the plate from the plate loading station; sequentially preheat the plate at the plate preheating station, sandblast the plate at the plate sandblasting station, pass through the plate leveling station without operation, spray paint at the automatic painting station, dry at the drying station, and then unload the plate from the plate unloading station.

[0026] As a further improvement of the present invention, it also includes a second profile loading station, and the second profile loading station is located between the first profile loading station and the profile sand blasting station, and is connected to the first profile loading station and the profile sand blasting station through a longitudinal roller. The stacking areas in front of the two profile loading stations can stack profiles respectively. When all the profiles in the stacking area of ​​the first profile loading station are loaded, the loading personnel can continue loading at the second profile loading station, and at the same time, the driving machine replenishes a new batch of profiles to the stacking area of ​​the first profile loading station. When the profiles in the stacking area of ​​the second profile loading station are loaded, the loading personnel go to the first profile loading station to continue loading. This cycle ensures the continuity of profile pretreatment.

[0027] The intelligent pretreatment center of the present invention introduces a profile straightening station after the profile line sandblasting station and before it merges into the main line; introduces a thin plate leveling station after the plate sandblasting station and before the main line automatic painting station, which solves the problem of straightening small-size profiles and thin plates; in addition, the pretreatment center processes materials of different specifications in separate lines, and the equipment of each station is highly integrated, which can complete the automatic pretreatment (sandblasting and painting) of 4-35 mm thick steel plates and HP 80*5-HP 430*25 mm bulb flat steels. Among them, 4-10 mm thick steel plates are automatically leveled, and HP 80*5-HP 220*12 mm bulb flat steels are automatically straightened. The full automatic control of the entire line can greatly save labor costs and improve processing efficiency. In addition, while pre-treating the incoming materials, the deformation problem of HP 80*5-220*12 mm small-size bulb flat steel and 4-10 mm thick thin plates during transportation and lifting, and the deformation and internal stress problem of 4-6 mm thick thin plates during pre-treatment, preheating and sandblasting operations are solved to ensure the subsequent thin plate cutting and segmentation production accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a layout diagram of an intelligent pre-processing center for strip profile straightening and thin plate flattening according to the present invention;

[0029] Figure 2 This is a schematic diagram of the flow chart of pipeline a of the embodiment;

[0030] Figure 3 This is a schematic diagram of the flow chart of pipeline b of the embodiment;

[0031] Figure 4 This is a schematic diagram of the flow chart of pipeline c of the embodiment;

[0032] Figure 5 This is a schematic diagram of the flow chart of the pipeline d of the embodiment;

[0033] Among them: 1. First profile loading station; 2. Second profile loading station; 3. Profile sandblasting station; 4. Profile straightening station; 5. Plate loading station; 6. Plate preheating station; 7. Plate sandblasting station; 8. Thin plate leveling station; 9. Automatic painting station; 10. Drying station; 11. Plate unloading station; 12. First profile unloading station; 13. Second profile unloading station; The arrow in the figure indicates the operation direction of the assembly line. DETAILED DESCRIPTION

[0034] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0035] like Figure 1 The layout structure of the intelligent pretreatment center with profile straightening and thin plate flattening shown in the figure includes a plate line, a profile line and a control device; the plate line is the main line, which includes a plate loading station 5, a plate preheating station 6, a plate sandblasting station 7, a plate flattening station 8, an automatic painting station 9, a drying station 10, and a plate discharging station 11 in sequence; the profile line includes a first profile loading station 1, a second profile loading station 2, a profile sandblasting station 3, a profile straightening station 4, an automatic painting station 9, a drying station 10, a first profile discharging station 12 and a second profile discharging station 13 in sequence; each station on the main line is located in the same longitudinal production On the line, each station is connected by a longitudinal roller; the first profile loading station 1, the second profile loading station 2, and the profile sandblasting station 3 of the profile line are located on the same longitudinal production line, and each station is connected by a longitudinal roller; the profile straightening station 4 is located between the profile sandblasting station 3 and the automatic painting station 9, and the profile straightening station 4 is connected to the profile sandblasting station 3 and the automatic painting station 9 at the exit through a longitudinal roller and a transverse device, so that the profile line is merged into the main line through the transverse device after the profile straightening station 4, and then transported to the automatic painting station 9 through the longitudinal roller of the main line, that is, the automatic painting station 9 and the drying station 10 are shared with the main line;

[0036] The outlet of the second profile loading station 2 is connected to the entrance of the main line plate preheating station 6 through a longitudinal roller and a transverse device.

[0037] The control device is used to collect and transmit data between each station equipment, and control the operation of the transverse device and the longitudinal roller. The control device is a PLC programmable controller, which controls the opening time of each station equipment and transmission device, processing parameters, etc. (including sandblasting range, profile straightening parameters, sheet metal flattening parameters, painting range, etc.).

[0038] The pretreatment center arrangement structure of this embodiment is suitable for steel plates with a thickness ranging from 4 to 35 mm and bulb flat steel with specifications ranging from HP 80*5 to HP 430*25 mm. Figure 2-5 As shown:

[0039] When the material to be processed is a bulb flat steel with a specification between HP 80*5-220*12 mm, it is processed by the assembly line in step a;

[0040] When the material to be processed is a bulb flat steel with a specification of >HP 220*12 mm, it is processed by the assembly line in step b;

[0041] When the material to be processed is a steel plate with a thickness of 4-10 mm, it is processed by the assembly line in step c;

[0042] When the material to be processed is a steel plate with a thickness of more than 10 mm, it is processed in the assembly line in step d;

[0043] a Load the material from the first profile loading station 1 or the second profile loading station 2; sandblast the material at the profile sandblasting station 3, straighten the material at the profile straightening station 4, and then merge into the main line through the transverse movement device; pass through the plate preheating station 6, the plate sandblasting station 7 and the plate leveling station 8 on the main line without operation through the longitudinal movement roller; spray paint at the automatic spray painting station 9, dry at the drying station 10, and then discharge the material from the first profile discharging station 12 or the second profile discharging station 13;

[0044] b Load the material from the first profile loading station 1 or the second profile loading station 2; after the second profile loading station 2, the material is merged into the main line through the transverse moving device; on the main line, the material passes through the plate preheating station 6, the plate sandblasting station 7 and the plate leveling station 8 without operation through the longitudinal moving roller; after being painted at the automatic painting station 9 and dried at the drying station 10, the material is discharged from the first profile discharging station 12 or the second profile discharging station 13;

[0045] c Load the plate from the plate loading station 5; preheat the plate at the plate preheating station 6, sandblast the plate at the plate sandblasting station 7, level the plate at the plate leveling station 8, spray paint at the automatic painting station 9, and dry at the drying station 10, and then discharge the plate from the plate discharging station 13.

[0046] d. Load the plate from the plate loading station 5; preheat the plate at the plate preheating station 6, sandblast the plate at the plate sandblasting station 7, pass through the plate leveling station 8 without operation, spray paint at the automatic painting station 9, dry at the drying station 10, and then discharge the plate from the plate discharging station 13.

Claims

1. An intelligent pre-processing center arrangement structure for strip profile straightening and thin plate flattening, characterized in that: It comprises a plate line, a profile line and a control device; the plate line is a main line, which comprises a plate loading station (5), a plate preheating station (6), a plate sandblasting station (7), a plate leveling station (8), an automatic painting station (9), a drying station (10), and a plate discharging station (11); the profile line comprises a first profile loading station (1), a second profile loading station (2), a profile sandblasting station (3), a profile straightening station (4), an automatic painting station (9), a drying station (10), a first profile discharging station (12) and a second profile discharging station (13); Each workstation on the main line is located on the same longitudinal production line, and each workstation is connected by a longitudinal roller conveyor; The first profile loading station (1) and the profile sand blasting station (3) of the profile line are located on the same longitudinal production line and are connected via a longitudinal roller conveyor; The second profile loading station (2) is located between the first profile loading station (1) and the profile sandblasting station (3), and is connected to the first profile loading station (1) and the profile sandblasting station (3) via a longitudinal roller conveyor; the outlet of the first profile loading station (1) or the second profile loading station (2) is connected to the entrance of the main line plate preheating station (6) via a longitudinal roller conveyor and a transverse device; The profile straightening station (4) is located between the profile sandblasting station (3) and the automatic painting station (9). The profile straightening station (4) is connected to the profile sandblasting station (3) and the automatic painting station (9) respectively through a transverse moving device and a longitudinal moving roller, so that the profile line is connected to the main line through the transverse moving device after the profile straightening station (4), and then transported to the automatic painting station (9) through the longitudinal moving roller of the main line, that is, the automatic painting station (9) and the drying station (10) are shared with the main line; the second profile discharge station (13) is connected to the drying station (10); The profile sandblasting station (3) and profile straightening station (4) on the profile line are suitable for bulb flat steel with specifications between HP80*5-HP220*12 mm. When the bulb flat steel specification is greater than HP220*12 mm, it is directly connected to the main line through the transverse moving device behind the second profile loading station (2). The control device is used to collect and transmit data between various station equipments, and control the operation of the transverse moving device and the longitudinal moving roller.

2. The intelligent pre-processing center arrangement structure for strip straightening and thin plate flattening according to claim 1 is characterized in that: The control device is a PLC programmable controller.

3. A material processing method based on the intelligent pre-processing center arrangement structure for strip profile straightening and thin plate flattening according to any one of claims 1 to 2, characterized in that: include: When the material to be processed is bulb flat steel with specifications between HP 80*5-220*12 mm, it is processed by the assembly line in step a; When the material to be processed is a bulb flat steel with a specification of >HP 220*12 mm, it is processed by the assembly line in step b; When the material to be processed is a steel plate with a thickness of 4-10 mm, it is processed by the assembly line in step c; When the material to be processed is a steel plate with a thickness of more than 10 mm, it is processed in the assembly line in step d; a. Loading the material from the profile loading station; sequentially passing through the profile sandblasting station (3) for sandblasting, and the profile straightening station (4) for straightening, and then merging into the main line through the transverse moving device; passing through the plate preheating station (6), the plate sandblasting station (7) and the plate leveling station (8) on the main line without operation through the longitudinal moving roller; spraying the material at the automatic spray painting station (9), drying at the drying station (10), and then discharging the material from the first profile discharging station (12) or the second profile discharging station (13); b. Loading the material from the profile loading station; after the second profile loading station (2), the material is merged into the main line through the transverse movement device; on the main line, the material passes through the plate preheating station (6), the plate sandblasting station (7) and the plate leveling station (8) without operation through the longitudinal movement roller; after being painted at the automatic painting station (9) and dried at the drying station (10), the material is discharged from the first profile discharging station (12) or the second profile discharging station (13); c. loading the plate from a plate loading station (5); sequentially preheating the plate at a plate preheating station (6), sandblasting the plate at a plate sandblasting station (7), leveling the plate at a plate leveling station (8), painting at an automatic painting station (9), and drying at a drying station (10) before discharging the plate from a plate discharging station (13); d. Loading the plate from the plate loading station (5); preheating in the plate preheating station (6), sandblasting in the plate sandblasting station (7), passing through the plate leveling station (8), spraying paint in the automatic painting station (9), drying in the drying station (10), and finally unloading the plate from the plate unloading station (13).

4. The material processing method according to claim 3, characterized in that: The stacking areas in front of the first profile loading station (1) and the second profile loading station (2) stack profiles respectively. When all the profiles in the stacking area of ​​the first profile loading station (1) have been loaded, the loading personnel continue to load profiles at the second profile loading station (2), and at the same time, the driving machine replenishes a new batch of profiles to the stacking area in front of the first profile loading station (1); when the profiles in the stacking area of ​​the second profile loading station (2) have been loaded, the loading personnel go to the first profile loading station (1) to continue loading profiles, and the cycle continues.

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