Full-automatic hydraulic support coating production line

Abstract

The invention relates to the technical field of hydraulic support coating, in particular to a full-automatic hydraulic support coating production line which comprises a conveying system, a spraying processing system and an air treatment system. The spraying processing system comprises a shot blasting unit and a spraying unit which are arranged in sequence, and the conveying system is used for conveying the support structural part to the shot blasting unit and the spraying unit in sequence to be processed; the air treatment system is connected with the shot blasting unit and the spraying unit and used for treating dust and waste gas generated in the machining process of the support structural part and controlling the temperature. A robot is matched with manpower, workpieces are efficiently sprayed, the efficiency is high, the appearance quality is good, dust and waste gas generated in the machining process are treated, two-component water paint is adopted, and high quality and low emission are achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of hydraulic support painting, and specifically refers to a full-automatic hydraulic support painting production line. Background Art

[0002] Hydraulic supports are increasingly widely used in coal mines and non-coal mine excavation operations, and play an increasingly important role in the process of coal excavation.

[0003] In the industry, manual oil paint spraying is used for the assembly operation of hydraulic supports, with low efficiency, uneven spraying film thickness, poor paint appearance quality. The production line uses oil paint, and the VOC emission has no treatment system, which does not meet the national environmental protection standards.

[0004] This solution provides a full-automatic hydraulic support painting production line. The support structural parts are transported to the painting loading area, enter the painting production line through shot blasting equipment. By collecting product information, it is then transmitted to each station equipment, and the full-automatic painting is completed by robots, with a coverage rate of over 90%. After robot spraying, the unsprayed areas are manually patched, and then transferred to the straight-through circulating hot air drying + infrared catalyst system for drying through the conveying system, and then transferred to each functional station for assembly; Two-component water-based paint is used throughout the line to improve efficiency and safety. Summary of the Invention

[0005] (I) Technical Problems

[0006] The present invention aims to at least solve the problems in the existing technology that currently, manual oil paint spraying is used for hydraulic support painting, with low efficiency, poor appearance quality, and exhaust gas emissions not meeting the national emission standards.

[0007] (II) Technical Content

[0008] This solution provides a full-automatic hydraulic support painting production line, which is achieved by the following specific technical means: including a conveying system, a spraying processing system, and an air treatment system;

[0009] The spraying processing system includes a shot blasting unit and a spraying unit arranged in sequence. The conveying system is used to sequentially transfer the support structural parts to the shot blasting unit and the spraying unit for processing;

[0010] The air treatment system is connected to the shot blasting unit and the spraying unit, and is used to treat the dust and waste gas generated during the processing of the support structural parts, and control the temperature change.

[0011] Preferred Technical Solution 1: The shot blasting unit includes a first turning and positioning machine, a shot blasting chamber, a purging and sand cleaning chamber, a water washing device, a second turning and positioning machine, a moisture drying chamber, and a cooling air cooling chamber arranged in sequence;

[0012] A shot blasting machine and a sand suction machine are sequentially installed in the shot blasting chamber;

[0013] The support structure parts are successively passed through a first turning and positioning machine, a shot blasting machine, a sand suction machine, a blow cleaning and sand removal chamber, a water washing device, a second turning and positioning machine, a moisture drying chamber and a cooling air cooling chamber, and then the support structure parts are successively turned, shot blasted, supplementary shot blasted, sand removed, water washed, turned again, moisture dried and air cooled.

[0014] Preferred technical solution two: The spraying unit includes a primer treatment module and a topcoat treatment module;

[0015] The primer treatment module is used for spraying and drying the primer on the support structure parts;

[0016] The topcoat treatment module is used for spraying and drying the topcoat on the support structure parts with the primer applied.

[0017] Preferred technical solution three: The primer treatment module includes a primer spraying chamber, a primer leveling chamber, a primer drying chamber, a primer air cooling chamber and a grinding machine arranged in sequence;

[0018] There is an automatic primer spraying robot and a manual primer spraying station in the primer spraying chamber;

[0019] There is a hot air circulation drying device and a natural gas catalyst plate radiation drying device in the primer drying chamber;

[0020] The support structure parts passing through the shot blasting unit are then successively passed through the primer spraying chamber, the primer leveling chamber, the primer drying chamber, the primer air cooling chamber and the grinding machine, and then the primer automatic spraying, primer manual supplementary spraying, primer leveling, primer hot air circulation drying, primer natural gas catalyst plate radiation drying, primer air cooling and primer grinding of the support structure parts are successively realized.

[0021] Preferred technical solution four: The topcoat treatment module includes a topcoat spraying chamber, a topcoat leveling chamber, a topcoat drying chamber and a topcoat air cooling chamber arranged in sequence;

[0022] There is an automatic topcoat spraying robot and a manual topcoat spraying station in the topcoat spraying chamber;

[0023] There is also a hot air circulation drying device and a natural gas catalyst plate radiation drying device in the topcoat drying chamber;

[0024] The support structure parts passing through the primer treatment module are then successively passed through the topcoat spraying chamber, the topcoat leveling chamber, the topcoat drying chamber and the topcoat air cooling chamber, and then the topcoat automatic spraying, topcoat manual supplementary spraying, topcoat leveling, topcoat hot air circulation drying, topcoat natural gas catalyst plate radiation drying and topcoat air cooling of the support structure parts are successively realized.

[0025] Preferred technical solution five: The air treatment system includes shot blasting dust removal equipment, an exhaust gas treatment system, a topcoat fresh air system, a topcoat circulating air system, a refrigeration system, a paint mixing room, a primer circulating air system and a primer fresh air system;

[0026] The shot blasting and dust removal equipment is connected to the shot blasting machine;

[0027] The waste gas treatment system is connected to the primer spraying chamber and the topcoat spraying chamber;

[0028] The topcoat fresh air system is connected to the topcoat spraying chamber;

[0029] The topcoat circulating air system is also connected to the topcoat spraying chamber;

[0030] The refrigeration system includes an air conditioner, which is used to provide warm air at a fixed temperature for the primer spraying chamber, the primer leveling chamber, the topcoat spraying chamber, and the topcoat leveling chamber;

[0031] The paint mixing room is a separate chamber body, and paint mixing equipment is placed therein. The paint mixing equipment is connected to the primer spraying chamber and the topcoat spraying chamber;

[0032] The primer fresh air system is connected to the primer spraying chamber;

[0033] The primer circulating air system is also connected to the primer spraying chamber.

[0034] Preferred Technical Solution Six: Two-component water-based paint is used in the primer spraying chamber and the topcoat spraying chamber.

[0035] The spraying processing system is integrally arranged in a U-shaped layout, that is, the first turning and positioning machine and the topcoat air-cooling chamber are respectively located at the two ends of the U shape and are close to each other, facilitating the loading and unloading of the bracket structural parts.

[0036] Preferred Technical Solution Seven: The conveying system includes an electric chain hoist, preferably a KONECRNES electric chain hoist imported from Europe, with a total travel length of 245M, passing through the U-shaped route of the spraying processing system. The conveying system also includes a double-drive carrier trolley, and each group of double-drive carrier trolleys is configured with two electric chain hoists.

[0037] Preferred Technical Solution Eight: It further includes an electronic tag and an intelligent radio frequency RFID identification device;

[0038] The electronic tag is set on the bracket structural part, and the intelligent radio frequency RFID identification device is installed on each corresponding work station for identifying the electronic tag and adjusting the processing parameters according to the workpiece information contained in the electronic tag.

[0039] (III) Technical Effects

[0040] Adopting the above structure enables the present solution to have the following beneficial effects:

[0041] 1. The system process adopts fully automatic robot spraying, the paint mist of the spray paint is filtered, and the waste gas is treated by activated carbon adsorption;

[0042] 2. Utilize the cooperation of robots and manual labor to efficiently spray the workpieces, with high efficiency and good appearance quality;

[0043] 3. Treat the dust and waste gas generated during processing;

[0044] 4. The drying adopts a straight-through sectional drying + infrared catalyst, with high drying efficiency and more energy saving;

[0045] 5. Adopt two-component water-based paint, with high quality and low emissions. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] The drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention. In the drawings:

[0047] Figure 1 is the overall structural schematic diagram of the present solution;

[0048] Figure 2 is the structural schematic diagram of the spray processing system of the present solution;

[0049] Figure 3 is the flow chart of the present solution.

[0050] Among them, 1. Conveyor system, 2. Spray processing system, 21. First turning and positioning machine, 22. Shot blasting chamber, 23. Blowing and sand cleaning chamber, 24. Water washing device, 25. Second turning and positioning machine, 26. Moisture drying chamber, 27. Cooling air chamber, 28. Primer spraying chamber, 29. Primer leveling chamber, 210. Primer drying chamber, 211. Primer air cooling chamber, 212. Grinding machine, 213. Topcoat spraying chamber, 214. Topcoat leveling chamber, 215. Topcoat drying chamber, 216. Topcoat air cooling chamber, 3. Air treatment system, 31. Shot blasting dust removal equipment, 32. Waste gas treatment system, 33. Topcoat fresh air system, 34. Topcoat circulating air system, 35. Refrigeration system, 36. Paint mixing room, 37. Primer circulating air system, 38. Primer fresh air system. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0051] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0052] Please refer to Figure 1 - Figure 2 , the full-automatic hydraulic support painting production line, including a conveyor system 1, a spray processing system 2 and an air treatment system 3;

[0053] The spraying processing system 2 includes a shot blasting unit and a spraying unit arranged in sequence. The conveying system 1 is used to sequentially transfer the support structural members to the shot blasting unit and the spraying unit for processing;

[0054] The air treatment system 3 is connected to the shot blasting unit and the spraying unit, and is used to treat the dust and waste gas generated during the processing of the support structural members and control the temperature.

[0055] Please refer to Figure 1 - Figure 3 , the full-automatic hydraulic support painting production line. The shot blasting unit includes a first turning and positioning machine 21, a shot blasting chamber 22, a purging and sand cleaning chamber 23, a water washing device 24, a second turning and positioning machine 25, a moisture drying chamber 26, and a cooling air chamber 27 arranged in sequence;

[0056] A shot blasting machine and a sand suction machine are sequentially installed in the shot blasting chamber 22;

[0057] A high-pressure blower is installed in the purging and sand cleaning chamber 23;

[0058] A moisture hot air drying device is installed in the moisture drying chamber 26;

[0059] A blower is installed in the cooling air chamber 27;

[0060] After the support structural members sequentially pass through the first turning and positioning machine 21, the shot blasting machine, the sand suction machine, the purging and sand cleaning chamber 23, the water washing device 24, the second turning and positioning machine 25, the moisture drying chamber 26, and the cooling air chamber 27, the support structural members are sequentially flipped, shot blasted, supplementary shot blasted, sand cleaned, water washed, flipped again, moisture dried, and air cooled.

[0061] Please refer to Figure 1 - Figure 3 , the full-automatic hydraulic support painting production line. The spraying unit includes a primer treatment module and a topcoat treatment module; the primer treatment module is used for spraying and drying the primer on the support structural members; the topcoat treatment module is used for spraying and drying the topcoat on the support structural members with the primer applied, where:

[0062] The primer treatment module includes a primer spraying chamber 28, a primer leveling chamber 29, a primer drying chamber 210, a primer air cooling chamber 211, and a grinding machine 212 arranged in sequence;

[0063] There is an automatic primer spraying robot and a manual primer spraying station in the primer spraying chamber 28;

[0064] The primer drying chamber 210 uses segmented drying, that is, there are a hot air circulation drying device and a natural gas catalyst plate radiation drying device in the primer drying chamber 210 in sequence. Both the hot air circulation drying device and the natural gas catalyst plate radiation drying device are equipped with equipment with automatic temperature display, adjustment control, and the drying temperature control is accurate within ±5°C; the infrared plates in the natural gas catalyst plate radiation drying device use Italian Effulasso infrared touch plates, with high-efficiency and low-energy drying efficiency, which saves more energy;

[0065] A fan is installed in the primer air-cooling chamber 211;

[0066] The bracket structural parts passing through the shot blasting unit then pass through the primer spraying chamber 28, primer leveling chamber 29, primer drying chamber 210, primer air-cooling chamber 211 and grinding machine 212 in sequence to realize the automatic spraying of primer, manual supplementary spraying of primer, primer leveling, hot air circulation drying of primer, natural gas catalyst plate radiation drying of primer, primer air-cooling, and primer grinding for the bracket structural parts in sequence;

[0067] The topcoat treatment module includes a topcoat spraying chamber 213, a topcoat leveling chamber 214, a topcoat drying chamber 215 and a topcoat air-cooling chamber 216 arranged in sequence;

[0068] There are an automatic topcoat spraying robot and a manual topcoat spraying station in the topcoat spraying chamber 213;

[0069] There are also a hot air circulation drying device and a natural gas catalyst plate radiation drying device in the topcoat drying chamber 215;

[0070] A fan is also installed in the topcoat air-cooling chamber 216;

[0071] The bracket structural parts passing through the primer treatment module then pass through the topcoat spraying chamber 213, topcoat leveling chamber 214, topcoat drying chamber 215 and topcoat air-cooling chamber 216 in sequence to realize the automatic spraying of topcoat, manual supplementary spraying of topcoat, topcoat leveling, hot air circulation drying of topcoat, natural gas catalyst plate radiation drying of topcoat, and topcoat air-cooling for the bracket structural parts in sequence;

[0072] Two-component water-based paint is used in the primer spraying chamber 28 and the topcoat spraying chamber 213, with high quality and low emissions. The automation rate of the entire production line is 90%, and the production cycle can reach 8 minutes.

[0073] Please refer to Figure 1 - Figure 3 , for the full-automatic hydraulic support painting production line, the air treatment system 3 includes a shot blasting dust removal equipment 31, an exhaust gas treatment system 32, a topcoat fresh air system 33, a topcoat recirculating air system 34, a refrigeration system 35, a paint mixing room 36, a primer recirculating air system 37, and a primer fresh air system 38;

[0074] The shot blasting dust removal equipment 31 is connected to the shot blasting machine, and the dust generated by shot blasting of the shot blasting machine is adsorbed by the shot blasting dust removal equipment 31 and then discharged;

[0075] The exhaust gas treatment system 32 is connected to the primer spraying chamber 28 and the topcoat spraying chamber 213. The exhaust gas treatment system 32 consists of an activated carbon adsorption + catalytic combustion device, and the VOC removal rate needs to reach more than 90%. The paint mist generated during the painting process enters the exhaust gas treatment system 32 through the underground passage, and is discharged after being treated by the exhaust gas treatment system 32. The exhaust gas treatment system 32 is discharged after passing through 4 layers of filtration, 6 layers of activated carbon adsorption and then combustion;

[0076] The topcoat fresh air system 33 is connected to the topcoat spraying chamber 213. The topcoat fresh air system 33 is that the gas in the atmosphere passes through filtration and then enters from the top of the topcoat spraying chamber 213. Its purpose is to generate downward pressure air so that the paint mist generated during the painting process will not disperse everywhere and will immediately be discharged through the lower passage to reach the exhaust gas treatment system 32;

[0077] The topcoat circulating air system 34 is also connected to the topcoat spraying chamber 213. There are two passages under the topcoat spraying chamber 213, one leading to the exhaust gas treatment system 32 and one leading to the topcoat circulating air system 34. The gas leading to the topcoat circulating air system 34 is then discharged into the room through the top of the topcoat spraying chamber 213. This gas is heated by the air conditioner in the refrigeration system 35 to ensure the constant temperature of the chamber body;

[0078] The refrigeration system 35 includes an air conditioner, which is used to provide warm air with a fixed temperature for the primer spraying chamber 28, the primer leveling chamber 29, the topcoat spraying chamber 213, and the topcoat leveling chamber 214, ensuring that the chamber body temperature is constant at 20°C to ensure the painting quality;

[0079] The paint mixing room 36 is a separate chamber body, where paint mixing equipment is placed, which is used to adjust the viscosity of the original paint and the curing agent. The paint mixing equipment uses a complete set of Wagner paint mixing, and the paint mixing equipment is connected to the primer spraying chamber 28 and the topcoat spraying chamber 213; The original paint and the curing agent are mixed at the painting chamber and then used for painting;

[0080] The primer fresh air system 38 is connected to the primer spraying chamber 28. The primer fresh air system 38 is that the gas in the atmosphere passes through filtration and then enters from the top of the primer spraying chamber 28. Its purpose is to generate downward pressure air so that the paint mist generated during the painting process will not disperse everywhere and will immediately be discharged through the lower passage to reach the exhaust gas treatment system 32;

[0081] The primer circulating air system 37 is also connected to the primer spraying chamber 28. There are two passages under the primer spraying chamber 28, one leading to the exhaust gas treatment system 32 and one leading to the primer circulating air system 37. The gas leading to the primer circulating air system 37 is then discharged into the room through the top of the primer spraying chamber 28. This gas is heated by the air conditioner in the refrigeration system 35 to ensure the constant temperature of the chamber body.

[0082] Please refer to Figure 1 - Figure 3, for the full-automatic hydraulic support painting production line, the spraying processing system 2 is overall arranged in a U shape, that is, the turnover positioner 21 and the topcoat air-cooling chamber 216 are respectively located at the two ends of the U shape and are close to each other, facilitating the loading and unloading of the support structural parts.

[0083] Please refer to Figure 1 - Figure 3 , for the full-automatic hydraulic support painting production line, the conveying system 1 includes electric chain hoists, preferably the KONECRNES electric chain hoists imported from Europe, with a total travel length of 245M, passing through the U-shaped route of the spraying processing system 2. The conveying system 1 also includes double-drive load-carrying trolleys, and each group of double-drive load-carrying trolleys is equipped with two electric chain hoists; at each work station (specifically referring to turnover, shot blasting, supplementary shot blasting, sand cleaning, water washing, re-turnover, moisture drying, air cooling, automatic primer spraying, manual primer supplementary spraying, primer leveling, primer hot air circulation drying, primer natural gas catalyst plate radiation drying, primer air cooling, primer grinding, topcoat automatic spraying, manual topcoat supplementary spraying, topcoat leveling, topcoat hot air circulation drying, topcoat natural gas catalyst plate radiation drying, topcoat air cooling), a control panel is configured to control the ascending and descending of the electric chain hoists; the sliding conductive rails and current collectors in the electric chain hoists adopt VAHLE, which has a simple structure, high strength, and good rigidity.

[0084] Please refer to Figure 1 - Figure 3 , for the full-automatic hydraulic support painting production line, it also includes electronic tags and intelligent radio frequency RFID identification devices;

[0085] The electronic tags are set on the support structural parts, and the intelligent radio frequency RFID identification devices are installed at each corresponding work station for identifying the electronic tags and adjusting the processing parameters according to the workpiece information contained in the electronic tags;

[0086] For example: when the support structural part runs to the automatic shot blasting work station, the shot blasting machine adjusts the number of shot heads opened and the time according to the identification code body information;

[0087] For example: when the support structural part arrives at the automatic primer spraying work station, it triggers the intelligent radio frequency RFID identification device at this work station to identify the vehicle model information. The PLC of the spraying processing system 2 sends the workpiece information to the control cabinet of the automatic primer spraying robot, and the automatic primer spraying robot will automatically call the corresponding spraying program;

[0088] The automatic primer spraying robot and the automatic topcoat spraying robot adopt Kawasaki high-efficiency seven-axis robots configured with Wagner 2KS automatic proportioning + air mixing spray guns and flexible wrists, which can spray at multiple angles and in a large range, and the spraying coverage can reach more than 90%;

[0089] The temperature control accuracy of the pipe-in-pipe heat exchange system configured in the paint conveying and mixing system of the Wagner 2KS automatic proportioning + gas mixing spray gun can reach ±3°C. The accuracy of the paint mixing ratio of two-component waterborne paint can reach ±2%. The repeat positioning accuracy of the primer automatic spraying robot and the topcoat automatic spraying robot is ±1mm. The support structure parts are first sprayed on a large area, and the remaining easy-to-miss parts such as edges, corners, holes, and seams are manually patched 1-2 times. The workpiece surface is sprayed with a uniform primer with a film thickness of ≥50μm, dried in the primer drying furnace, and then the topcoat is sprayed. The "cross-cross" construction process is adopted, with a film thickness of ≥50μm and a total film thickness of ≥100μm. After drying again and being thoroughly dry, it is then transferred to the next process.

[0090] Please refer to Figure 1 - Figure 3 , the full-automatic hydraulic support painting production line also includes an MOM system. The production plan and tasks are issued by the MOM system, and the MOM system also has the function of quality-related management during the production process of support products, including but not limited to information such as material batch traceability, quality defect query, repair management, process parameter query, and quality records.

[0091] It should be noted that the specific models of the turnover positioner 1 21, shot blasting machine, sand suction machine, blow cleaning sand chamber 23, water washing device 24, turnover positioner 2 25, fan, hot air circulation drying device, natural gas catalyst plate radiation drying device, electronic label, and intelligent radio frequency RFID identification device mentioned in this embodiment, as well as their supporting power supplies and control switches, can also be provided by the manufacturer. The circuits, electronic components, and modules involved are all prior arts, and those skilled in the art can fully implement them without further elaboration.

[0092] Unless otherwise clearly specified and limited, the terms "set", "install", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

[0093] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirits of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fully automatic hydraulic support coating production line, characterized by: It comprises a conveying system (1), a spraying processing system (2) and an air handling system (3); The spray processing system (2) comprises a shot blasting unit and a spraying unit arranged in sequence, and the conveying system (1) is used to convey the support structure to the shot blasting unit and the spraying unit in sequence for processing; The air treatment system (3) is connected to the shot blasting unit and the spraying unit, and is used to treat dust and waste gas generated during the processing of the support structure and to control the temperature.

2. The fully automatic hydraulic support coating production line according to claim 1 is characterized by: The shot blasting unit comprises a first flip positioner (21), a shot blasting chamber (22), a purging and sand cleaning chamber (23), a water washing device (24), a second flip positioner (25), a moisture drying chamber (26) and a cooling air cooling chamber (27) which are arranged in sequence; A shot blasting machine and a sand suction machine are sequentially installed in the shot blasting chamber (22); A high-pressure blower is installed in the blowing and sand cleaning chamber (23); The moisture drying chamber (26) is provided with a moisture heat drying device; A fan is installed in the cooling air chamber (27); The support structure is sequentially passed through a first flipping positioner (21), a shot blasting machine, a sand suction machine, a sand blowing and cleaning chamber (23), a water washing device (24), a second flipping positioner (25), a moisture drying chamber (26) and a cooling air cooling chamber (27), and then the support structure is flipped, shot blasted, re-blasted, sand cleaned, washed, flipped again, dried and air cooled.

3. The fully automatic hydraulic support coating production line according to claim 2 is characterized by: The spraying unit includes a primer processing module and a topcoat processing module; The primer processing module is used to spray and dry the primer on the support structure; The topcoat processing module is used for spraying and drying the topcoat on the support structure member coated with primer.

4. The fully automatic hydraulic support coating production line according to claim 3 is characterized by: The primer processing module comprises a primer spraying room (28), a primer leveling room (29), a primer drying room (210), a primer air cooling room (211) and a grinder (212) which are arranged in sequence; The primer spraying room (28) is provided with a primer automatic spraying robot and a primer manual spraying station; The primer drying chamber (210) is provided with a hot air circulation drying device and a natural gas catalyst plate radiation drying device; A fan is installed in the primer air cooling chamber (211); The support structure parts that have passed through the shot blasting unit then pass through a primer spraying room (28), a primer leveling room (29), a primer drying room (210), a primer air cooling room (211) and a grinder (212) in sequence, and then the support structure parts are subjected to automatic primer spraying, manual primer re-spraying, primer leveling, primer hot air circulation drying, primer natural gas catalyst plate radiation drying, primer air cooling and primer grinding in sequence.

5. The fully automatic hydraulic support coating production line according to claim 4 is characterized in that: The topcoat processing module comprises a topcoat spraying room (213), a topcoat leveling room (214), a topcoat drying room (215) and a topcoat air cooling room (216) which are arranged in sequence; The topcoat spraying room (213) is provided with an automatic topcoat spraying robot and a manual topcoat spraying station; The topcoat drying room (215) also has a hot air circulation drying device and a natural gas catalyst plate radiation drying device; A fan is also installed in the topcoat air cooling chamber (216); The support structure parts that have passed through the primer treatment module then pass through the topcoat spraying room (213), the topcoat leveling room (214), the topcoat drying room (215) and the topcoat air cooling room (216) in sequence to realize the automatic topcoat spraying, manual topcoat re-spraying, topcoat leveling, topcoat hot air circulation drying, topcoat natural gas catalyst plate radiation drying and topcoat air cooling of the support structure parts in sequence.

6. The fully automatic hydraulic support coating production line according to claim 5 is characterized by: The air treatment system (3) comprises a shot blasting dust removal device (31), an exhaust gas treatment system (32), a topcoat fresh air system (33), a topcoat circulating air system (34), a refrigeration system (35), a paint mixing room (36), a primer circulating air system (37), and a primer fresh air system (38); The shot blasting dust removal device (31) is connected to the shot blasting machine, and the dust generated by the shot blasting machine is adsorbed by the shot blasting dust removal device (31) and then discharged; The waste gas treatment system (32) is connected to the primer spraying room (28) and the topcoat spraying room (213), and the paint mist generated during the painting process enters the waste gas treatment system (32) through an underground passage, and is then treated by the waste gas treatment system (32) and discharged through combustion; The paint fresh air system (33) is connected to the paint spraying room (213). The paint fresh air system (33) is a system in which air in the atmosphere is filtered and then enters from the top of the paint spraying room (213), generating downward pressure wind, so that the paint mist generated during the painting process is discharged through the lower channel and reaches the exhaust gas treatment system (32); The topcoat circulating air system (34) is also connected to the topcoat spraying room (213). There are two groups of channels under the topcoat spraying room (213), one group leading to the exhaust gas treatment system (32), and the other group leading to the topcoat circulating air system (34). The gas leading to the topcoat circulating air system (34) is heated by the air conditioner in the refrigeration system (35) and then discharged into the room from the top of the topcoat spraying room (213); The refrigeration system (35) includes an air conditioner for providing warm air of a fixed temperature to the primer spraying room (28), the primer leveling room (29), the topcoat spraying room (213), and the topcoat leveling room (214); The paint mixing room (36) is a separate room body, in which paint mixing equipment is placed, and the paint mixing equipment is connected to the primer spraying room (28) and the topcoat spraying room (213); The primer fresh air system (38) is connected to the primer spraying room (28). The primer fresh air system (38) is a system in which air in the atmosphere is filtered and then enters from the top of the primer spraying room (28), generating downward pressure wind, so that the paint mist generated during the painting process reaches the exhaust gas treatment system (32) through the lower channel; The primer circulating air system (37) is also connected to the primer spraying room (28). There are two groups of channels under the primer spraying room (28), one group leading to the exhaust gas treatment system (32) and the other group leading to the primer circulating air system (37). The gas leading to the primer circulating air system (37) is then heated by the air conditioner in the refrigeration system (35) and discharged into the room from the top of the primer spraying room (28).

7. The fully automatic hydraulic support coating production line according to claim 6 is characterized by: Two-component water-based paint is used in the primer spraying room (28) and the topcoat spraying room (213).

8. The fully automatic hydraulic support coating production line according to claim 5 is characterized by: The spray processing system (2) has an overall U-shaped layout.

9. A fully automatic hydraulic support coating production line according to any one of claims 1 to 8, characterized in that: It also includes an electronic tag and an intelligent radio frequency RFID identification device. The electronic tag is set on the support structure, and the intelligent radio frequency RFID identification device is installed on each corresponding workstation for identifying the electronic tag.

10. The fully automatic hydraulic support coating production line according to claim 9 is characterized in that: The conveying system (1) comprises an electric chain hoist, which passes through a U-shaped route of the spray processing system (2), and the electric chain hoist is connected to a dual-drive cargo-carrying trolley.

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