CN113021615B

CN113021615B - Manufacturing method of double-leaf protective airtight door

Info

Publication number: CN113021615B
Application number: CN202110237832.5A
Authority: CN
Inventors: 朱平良
Original assignee: Zhejiang Kaida Civil Air Defense Equipment Co ltd
Current assignee: Zhejiang Kaida Civil Air Defense Equipment Co ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2022-10-11
Anticipated expiration: 2041-03-04
Also published as: CN113021615A

Abstract

The invention provides a method for manufacturing a double-leaf protective airtight door, which comprises the following steps: cutting: selecting a steel material with a smooth surface, and cutting the steel material through blanking equipment; (2) punching: punching the blanked steel material according to the requirements of a drawing by using a punching machine, and deburring the steel material; (3) welding: placing the steel material on a positioning device in a processing system, and manually welding the steel material to obtain a steel frame; (4) bar planting: conveying the steel bars to a steel frame through a conveying device in a processing system, wherein the thin steel bars are installed in a binding mode, and the thick steel bars are installed in a welding mode and a mechanical connection mode; (5) spraying: spraying paint on the two sides of the steel frame with the embedded steel bars by using a double-sided spraying device in the processing system, and drying the steel frame; (6) forming: filling concrete into the sprayed steel frame to obtain a semi-finished product; (7) curing: and naturally curing the semi-finished product.

Description

Manufacturing method of double-leaf protective airtight door

Technical Field

The invention belongs to the technical field of machinery, and relates to a manufacturing method of a double-leaf protective airtight door.

Background

Technological advances and social development have brought about urgent needs for urban traffic: on the one hand, urban traffic construction is marching towards the underground: the more and more the subway, the cross-river tunnel and the like are built, the larger and the larger the tunnel is built; on the other hand, government policies require urban underground transportation trunks to meet the air defense needs of people, and therefore, protective airtight doors are provided. The protective airtight door is divided according to the number of door leaves, and comprises a single-leaf civil air defense door and a double-leaf civil air defense door, wherein the single-leaf civil air defense door is generally used for a person entrance with a smaller size; the double door is generally used for a vehicle doorway having a large size.

Through retrieval, for example, chinese patent document discloses a reinforced concrete two-leaf protective airtight door [ application number: 201822040139.5; publication No.: CN 209510094U). The reinforced concrete double-leaf protective airtight door comprises a door frame and two door leaves matched with the door frame, rotary grooves are formed in opposite side walls of two sides of the door frame, a rotary shaft is connected in the rotary grooves in a rotating mode, the rotary shaft is connected with the corresponding door leaves through a plurality of uniformly distributed connecting rods, a movable plate is connected to the outer side face of one door leaf in a sliding mode, a fixed plate is fixedly connected to the outer side face, away from the rotary shaft, of the other door leaf, a plurality of uniformly distributed convex blocks are fixedly connected to the side wall, close to the fixed plate, of the movable plate, grooves matched with the convex blocks are formed in the positions, corresponding to the convex blocks, of the fixed plate, one side, away from the movable plate, of each convex block abuts against the groove bottom of each groove, a sliding block is fixedly connected to one side, close to the door leaf, a sliding groove matched with the sliding block is formed in the position, corresponding to the sliding block, of the door leaf, and sliding connection with the sliding groove.

Although the double-leaf protective airtight door disclosed in the patent can be stably locked, the double-leaf protective airtight door does not have a corresponding manufacturing method and cannot be manufactured quickly, so that it is necessary to design a manufacturing method of the double-leaf protective airtight door.

Disclosure of Invention

The invention aims to provide a manufacturing method of a double-leaf protective airtight door, aiming at the problems in the prior art, and the manufacturing method has the characteristic of simple and convenient manufacturing.

The purpose of the invention can be realized by the following technical scheme: the manufacturing method of the double-leaf protective airtight door is characterized by comprising the following steps of:

(1) Cutting: selecting a steel material with a smooth surface, and cutting the steel material through blanking equipment;

(2) Punching: punching the blanked steel material according to the requirements of a drawing by using a punching machine, and deburring the steel material;

(3) Welding: placing the steel material on a positioning device in a processing system, and manually welding the steel material to obtain a steel frame;

(4) Planting bars: conveying the steel bars to a steel frame through a conveying device in a processing system, wherein the thin steel bars are installed in a binding mode, and the thick steel bars are installed in a welding mode and a mechanical connection mode;

(5) Spraying: spraying paint on the two sides of the steel frame with embedded bars by a double-sided spraying device in the processing system, and drying the steel frame;

(6) Molding: filling concrete into the sprayed steel frame to obtain a semi-finished product;

(7) And (5) maintenance: and naturally curing the semi-finished product.

The blanking equipment comprises a cutting machine and a plate shearing machine.

The blow-drying temperature is 80-120 ℃.

The sprayed coating is composed of the following raw materials in parts by weight: 10-15 parts of waterborne polyurethane resin, 20-25 parts of epoxy resin, 11-15 parts of organic bentonite, 2-7 parts of clay, 28-36 parts of borax, 5-12 parts of coupling agent, 3-7 parts of antirust agent, 5-12 parts of opacifying agent, 8-12 parts of adhesive and 1-3 parts of defoaming agent.

The processing system comprises a bottom plate, wherein a positioning device, a conveying device and a double-sided spraying device are arranged on the bottom plate.

The positioning device comprises a workbench, the workbench is fixed on a bottom plate, two vertical plates are fixed on the workbench, guide pillars are vertically fixed on the vertical plates, guide blocks are arranged on the guide pillars, lead screws are vertically and rotatably mounted on the vertical plates, nuts are in threaded connection with the lead screws, the nuts are connected with the guide blocks through connecting seats, rotating shafts are arranged on the connecting seats, positioning frames are fixed between the rotating shafts, quick clamps are mounted on the peripheries of the positioning frames, pressing pieces used for pressing the door frame are arranged on the quick clamps, and adjusting locking assemblies capable of enabling the positioning frames to act are arranged on the vertical plates.

Adopt this structure, put into the locating frame through the steel material that will be used for processing the door frame on, press the piece action through smuggleing secretly fast, compress tightly the steel material, because the locating frame can reciprocate and the angle of slope can make a round trip to adjust to the convenience carries out welding process to airtight door frame, and the welder need not to bow to carry out welding operation, excellent in use effect.

The adjusting and locking assembly comprises an adjusting wheel, a positioning block, a movable disc and a locking rod, the adjusting wheel is fixed on the rotating shaft, the movable disc is fixed on the rotating shaft, a plurality of locking holes which are uniformly distributed are formed in the movable disc, the positioning block is fixed on the connecting seat, the locking rod is horizontally and slidably connected onto the positioning block, one end of the locking rod is rotatably connected with the eccentric handle, the other end of the locking rod is provided with a lock head, the lock head can be inserted into any locking hole, and a supporting spring is further arranged between the locking rod and the positioning block.

By adopting the structure, the adjusting wheel drives the rotating shaft to rotate, and the rotating shaft drives the positioning frame to rotate, so that the positioning frame can be inclined to a required angle according to actual needs, the eccentric handle drives the locking rod to move, the lock head can be inserted into a corresponding lock hole, and the angle of the positioning frame can be conveniently regulated and controlled.

The first power structure comprises a first power motor, a linkage shaft, two main gears and two driven gears, the driven gears are fixed at the lower end of the screw rod, the linkage shaft horizontally rotates and is installed on the workbench, the linkage shaft is connected with the first power motor, the main gears are fixed on the linkage shaft, and the main gears are meshed with the driven gears.

By adopting the structure, the linkage shaft is driven to rotate by the power motor, the linkage shaft drives the main gear to rotate, the main gear is meshed with the driven gear, the driven gear drives the screw rod to rotate, and the screw rod drives the nut to move, so that the guide block moves up and down along the guide post, and the positioning frame can move up and down.

The first power motor is a band-type brake motor.

The pressing piece comprises an installation block and a pressing piece, the installation block is connected with a working rod of the quick clamp, two limiting columns are arranged on the installation block, the pressing piece is movably arranged on the installation block, and a guide groove matched with the limiting columns is formed in the pressing piece.

By adopting the structure, the steel material with different thicknesses can be compressed by the mounting block, the compressing sheet and other structures.

The double-sided spraying device comprises a base, wherein the base is fixed on a bottom plate, a driving shaft is vertically arranged on the base, the lower end of the driving shaft is connected with a second power structure capable of driving the driving shaft to rotate, the upper end of the driving shaft is fixedly connected with the middle of a rotating frame, the end of the rotating frame is connected with a fixed connecting rod, the upper end of the fixed connecting rod is hinged with one end of a driven connecting rod, the other end of the driven connecting rod is hinged with the upper end of a lifting connecting rod, the lower end of the fixed connecting rod is hinged with one end of a driving connecting rod, the other end of the driving connecting rod is hinged with the lower end of the lifting connecting rod, the middle of the driving connecting rod is hinged with a piston rod of a first air cylinder, a cylinder body of the first air cylinder is hinged with the rotating frame, a U-shaped mounting piece is fixed on the lifting connecting rod, a driving shaft is rotatably arranged on one side of the U-shaped mounting piece, the driving shaft is connected with a first positioning strip, a plurality of hydraulic ejector pins are arranged on the first positioning strip, the driving shaft is further connected with a brake motor, a driven shaft is rotatably arranged on the other side of the U-shaped mounting piece, the driven shaft is connected with the second positioning strip, a plurality of hydraulic ejector pins are arranged on the second positioning strip, a first support and a second support, a first support, a spraying mechanism is arranged on the first support, and a second support, and a drying component is arranged on the second support.

By adopting the structure, the piston rod of the first air cylinder acts, the U-shaped mounting part can move up and down under the action of the fixed link rod, the driving link rod, the driven link rod and the lifting link rod, the first positioning strip and the second positioning strip can rotate through the rotation of the band-type brake motor, the closed door body is turned over, protective paint is sprayed on the closed door body through the spraying mechanism, and the closed door body is dried through the blow-drying assembly, so that double-sided spraying can be conveniently carried out on the closed door body, and the operation is simple and convenient.

The blow-drying assembly comprises an upper mounting rod and a lower mounting rod, the upper mounting rod and the lower mounting rod are respectively fixed on a second support, a first air heater with an air outlet facing downwards is fixed on the upper mounting rod, and a second air heater with an air outlet facing upwards is fixed on the lower mounting rod.

By adopting the structure, the protective paint on two sides of the sealed door body can be dried by the first air heater and the second air heater.

The base is further provided with a material platform, the material platform is provided with two limiting rails, a second air cylinder is further fixed on the material platform, a piston rod of the second air cylinder is horizontally arranged, a pushing piece used for pushing the turnover skip car is fixed at the end of a piston rod of the second air cylinder and connected with the end of the piston rod, and a hook is further arranged on the pushing piece.

By adopting the structure, the sealed door body can be conveniently carried through the turnover skip car, and the sealed door body can be input or output under the cooperation of the second cylinder and the pushing piece.

The turnover skip car is provided with a handle and wheels matched with the limiting rails.

By adopting the structure, the skip car can be conveniently turned over to move through the wheels.

The second power structure comprises a second power motor, a main belt wheel, a secondary belt wheel and a synchronous belt, the second power motor is fixed on the base, an output shaft of the second power motor is vertically upward, the main belt wheel is fixed at the end of an output shaft of the second power motor, the secondary belt wheel is fixed at the lower end of the driving shaft, and the synchronous belt is sleeved between the main belt wheel and the secondary belt wheel.

By adopting the structure, the main belt wheel is driven to rotate by the power motor II, the main belt wheel drives the driven belt wheel to rotate by the synchronous belt, and the driven belt wheel drives the driving shaft to rotate, so that the driving shaft can rotate.

Still have dosing mechanism on the base, dosing mechanism includes batching bucket, locating lever, power shaft and rotation piece, the batching bucket is fixed on the base through a plurality of supporting legss, batching bucket upper portion has the opening, batching bucket lower part has the discharge gate, discharge gate department is provided with the valve, the locating lever is fixed on the batching bucket, be fixed with the guide ring on the locating lever, have on the guide ring and be wavy guide part, the vertical rotation of power shaft is installed on the locating lever, power shaft upper end and gear motor link to each other, the power shaft lower extreme is provided with the movable sleeve, and the movable sleeve can be along power shaft circumferential slip and with the synchronous circumferential direction of power shaft, it links to each other with the movable sleeve to rotate the piece, be fixed with the stirring piece on the rotation piece and scrape the piece, still install on the rotation piece and lead the looks complex wheel.

Adopt this structure, drive the power shaft through gear motor and rotate, the power shaft drives and rotates a rotation, rotates a drive stirring piece and scrapes the rotation of flitch, owing to rotate the piece and can reciprocate to can be fast prepare the protection lacquer in the batching bucket evenly, the batching is quick, convenient.

The material of batching bucket is stainless steel.

The conveying device comprises a machine base and a conveying rail, the machine base is fixed on a bottom plate, the conveying rail is arranged on the machine base, a pushing piece used for pushing the turnover skip car is arranged on the machine base, the pushing piece is connected with a pushing mechanism capable of driving the pushing piece to move back and forth, and a feeding mechanism is further arranged on the machine base.

By adopting the structure, the pushing piece is driven by the pushing mechanism to move back and forth, the welded framework can be conveyed to a spraying position, and required steel bars are provided by the feeding mechanism.

The pushing mechanism comprises a driving motor, a main chain wheel, a driven chain wheel and a chain belt, wherein the main chain wheel and the driven chain wheel are respectively installed at two ends of the base in a rotating mode, the main chain wheel is connected with the driving motor, the chain belt is sleeved between the main chain wheel and the driven chain wheel, and the pushing piece is fixed on the chain belt.

By adopting the structure, the driving motor drives the main chain wheel to rotate, the main chain wheel drives the driven chain wheel to rotate through the chain belt, the driven chain wheel drives the pushing piece to move, and the turnover skip car at the pushing track can be moved under the action of the pushing piece.

The feeding mechanism comprises a storage box and a regulating shaft, wherein the regulating shaft is vertically rotated and installed on the stand, the lower end of the regulating shaft is connected with a power structure capable of driving the regulating shaft to rotate, the upper end of the regulating shaft is connected with the storage box, a plurality of storage parts used for storing reinforcing steel bars are arranged in the storage box, the side parts of the storage parts are provided with discharge holes, a positioning frame is further fixed on the storage box, a plurality of push rod motors are installed on the positioning frame, the push rod of each push rod motor is horizontally arranged, and push rod end parts of the push rod motors are fixedly provided with push-out strips used for pushing out the reinforcing steel bars.

Adopt this structure, can drive the adjustment shaft through power structure three and rotate to can make the storage case be in required angular position, drive the action of propelling movement strip through the push rod motor, can provide the reinforcing bar of required quantity and type as required.

An auxiliary strip is also fixed on the push-out strip.

The power structure comprises a steering motor, a first gear and a second gear, the steering motor is fixed on the base, an output shaft of the steering motor is vertically arranged, the first gear is fixed at the end of the output shaft of the steering motor, the second gear is fixed at the lower end of the regulating shaft, and the second gear is meshed with the first gear.

By adopting the structure, the gear I is driven to rotate by the steering motor, the gear I is meshed with the gear II, the gear II drives the regulating and controlling shaft to rotate, and the regulating and controlling shaft drives the storage box to rotate, so that the required angular position of the storage box can be adjusted according to the requirement.

Compared with the prior art, the manufacturing method of the double-leaf protective airtight door has the following advantages: according to the invention, the protective airtight door can be manufactured by operations of cutting, punching, welding, bar planting, spraying, forming, maintaining and the like, and a special processing system is designed, so that the manufacturing difficulty is greatly reduced, and the manufacturing is simple and convenient.

Drawings

FIG. 1 is a schematic diagram of the steps of the present manufacturing method.

Fig. 2 is a schematic perspective view of the positioning device of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic plan view of a removed portion of the positioning device of the present invention.

Fig. 5 is a perspective view of a positioning device of the present invention with portions broken away.

Fig. 6 is a schematic perspective view of the double-sided coating apparatus of the present invention.

Fig. 7 is a schematic perspective view of a double-sided spray coating device of the present invention with portions broken away.

Fig. 8 is a schematic perspective view of a material table of the double-sided spray coating device of the present invention.

Fig. 9 is a schematic plan view of a portion of the double-sided spray coating device of the present invention with portions broken away.

Fig. 10 is a schematic perspective view of a dosing mechanism in the double-sided spray coating apparatus of the present invention.

Fig. 11 is a perspective view of a guide ring in the double-sided spray coating device of the present invention.

Fig. 12 is a schematic plan view of the conveying apparatus of the present invention.

Fig. 13 is a schematic plan view of a removed portion of the transfer device of the present invention.

In the figure, 1, a workbench; 2. a positioning frame; 3. quickly clamping; 4. a vertical plate; 5. a first power motor; 6. a guide block; 7. a screw rod; 8. a guide post; 9. a connecting seat; 10. a support spring; 11. a movable tray; 11a, a lock hole; 12. a rotating shaft; 13. an adjustment wheel; 14. a locking lever; 15. an eccentric handle; 16. a lock head; 17. positioning blocks; 18. a slave gear; 19. a main gear; 20. a linkage shaft; 21. mounting a block; 22. a compression sheet; 23. a base; 24. a material platform; 25. a drive shaft; 26. a rotating frame; 27. a first cylinder; 28. a second bracket; 29. a second air heater; 30. a lower mounting rod; 31. a first air heater; 32. an upper mounting rod; 33. a first bracket; 34. a U-shaped mounting member; 35. a second positioning strip; 36. a second hydraulic thimble; 37. a first positioning strip; 38. a band-type brake motor; 39. an active link; 40. a fixed link; 41. a follower link; 42. a lifting link rod; 43. transferring a skip car; 44. a limiting track; 45. a wheel; 46. a pusher member; 47. a second air cylinder; 48. hooking; 49. a second power motor; 50. a primary pulley; 51. a secondary pulley; 52. a synchronous belt; 53. a batching barrel; 54. a valve; 55. stirring sheets; 56. scraping a material sheet; 57. a rotating member; 58. positioning a rod; 59. a guide ring; 60. a wheel; 61. a reduction motor; 62. a movable sleeve; 63. a power shaft; 64. a machine base; 65. a conveying track; 66. a material storage box; 67. a slave sprocket; 68. a chain belt; 69. a steering motor; 70. a main sprocket; 71. a drive motor; 72. a pushing member; 73. a second gear; 74. a regulating shaft; 75. a first gear; 76. pushing out the strips; 77. an auxiliary bar; 78. a push rod motor; 79. a positioning frame.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 13, the method for manufacturing the double-leaf protective airtight door comprises the following steps:

(4) And (3) bar planting: conveying the steel bars to a steel frame through a conveying device in a processing system, wherein the thin steel bars are installed in a binding mode, and the thick steel bars are installed in a welding mode and a mechanical connection mode;

(7) And (3) maintenance: and naturally curing the semi-finished product.

The blow-drying temperature is 80-120 ℃.

The sprayed coating consists of the following raw materials in parts by weight: 10-15 parts of waterborne polyurethane resin, 20-25 parts of epoxy resin, 11-15 parts of organic bentonite, 2-7 parts of clay, 28-36 parts of borax, 5-12 parts of coupling agent, 3-7 parts of antirust agent, 5-12 parts of opacifier, 8-12 parts of adhesion agent and 1-3 parts of defoaming agent; in this embodiment, the sprayed coating is composed of the following raw materials in parts by weight: 12 parts of waterborne polyurethane resin, 20 parts of epoxy resin, 12 parts of organic bentonite, 3 parts of clay, 29 parts of borax, 7 parts of coupling agent, 4 parts of antirust agent, 5 parts of opacifier, 8 parts of adhesion agent and 1 part of defoaming agent.

The processing system comprises a bottom plate, and a positioning device, a conveying device and a double-sided spraying device are arranged on the bottom plate.

The positioning device comprises a workbench 1, the workbench 1 is fixed on a bottom plate, two vertical plates 4 are fixed on the workbench 1, and in the embodiment, the workbench 1 is fixed with the two vertical plates 4 in a bolt connection mode; a guide post 8 is vertically fixed on the vertical plate 4, a guide block 6 is arranged on the guide post 8, a lead screw 7 is vertically and rotatably mounted on the vertical plate 4, a nut is connected to the lead screw 7 through a thread, the nut is connected with the guide block 6 through a connecting seat 9, a rotating shaft 12 is rotatably arranged on the connecting seat 9, a positioning frame 2 is fixed between the rotating shafts 12, quick clamps 3 are all mounted around the positioning frame 2, and in the embodiment, the quick clamps 3 are existing products which can be bought on the market; the quick clamp 3 is provided with a pressing piece for pressing the door frame, and the vertical plate 4 is provided with an adjusting and locking assembly capable of enabling the positioning frame 2 to act.

Adopt this structure, on putting into the posting 2 through the steel material that will be used for processing the door frame, drive the casting die action through pressing from both sides 3 fast, compress tightly the steel material, because the posting 2 can reciprocate and the angle of slope can make a round trip to adjust to the convenience carries out welding process to airtight door frame, and the welder need not to bow to carry out welding operation, excellent in use effect.

The adjusting and locking assembly comprises an adjusting wheel 13, a positioning block 17, a movable disc 11 and a locking rod 14, wherein the adjusting wheel 13 is fixed on the rotating shaft 12, the movable disc 11 is fixed on the rotating shaft 12, a plurality of locking holes 11a which are uniformly distributed are formed in the movable disc 11, the positioning block 17 is fixed on the connecting seat 9, the locking rod 14 is horizontally and slidably connected on the positioning block 17, one end of the locking rod 14 is rotatably connected with the eccentric handle 15, the other end of the locking rod 14 is provided with a locking head 16, the locking head 16 can be inserted into any locking hole 11a, and a supporting spring 10 is arranged between the locking rod 14 and the positioning block 17.

By adopting the structure, the adjusting wheel 13 drives the rotating shaft 12 to rotate, the rotating shaft 12 drives the positioning frame 2 to rotate, so that the positioning frame 2 can be inclined to a required angle according to actual needs, the eccentric handle 15 drives the locking rod 14 to move, the lock head 16 can be inserted into the corresponding lock hole 11a, and the angle of the positioning frame 2 can be conveniently regulated.

The power structure I comprises a first power motor 5, a linkage shaft 20, two main gears 19 and two slave gears 18, wherein the slave gears 18 are fixed at the lower end of the screw rod 7, the linkage shaft 20 is horizontally and rotatably arranged on the workbench 1, the linkage shaft 20 is connected with the first power motor 5, the main gears 19 are fixed on the linkage shaft 20, and the main gears 19 are meshed with the slave gears 18.

By adopting the structure, the linkage shaft 20 is driven to rotate by the first power motor 5, the linkage shaft 20 drives the main gear 19 to rotate, the main gear 19 is meshed with the driven gear 18, the driven gear 18 drives the screw rod 7 to rotate, the screw rod 7 drives the nut to move, the guide block 6 moves up and down along the guide post 8, and therefore the positioning frame 2 can move up and down.

The first power motor 5 is a band-type brake motor.

The casting die includes installation piece 21 and holding down piece 22, and installation piece 21 links to each other with the action bars of quick-witted clamp 3, has two spacing posts on the installation piece 21, and holding down piece 22 activity sets up on installation piece 21, has on the holding down piece 22 with spacing post matched with guide slot.

By adopting the structure, the steel material with different thicknesses can be pressed through the structures such as the mounting block 21, the pressing sheet 22 and the like.

The double-sided spraying device comprises a base 23, wherein the base 23 is fixed on a bottom plate, a driving shaft 25 is vertically arranged on the base 23, the lower end of the driving shaft 25 is connected with a power structure II capable of driving the driving shaft to rotate, the upper end of the driving shaft 25 is fixedly connected with the middle part of a rotating frame 26, the end part of the rotating frame 26 is connected with a fixed link 40, the upper end of the fixed link 40 is hinged with one end of a driven link 41, the other end of the driven link 41 is hinged with the upper end of a lifting link 42, the lower end of the fixed link 40 is hinged with one end of a driving link 39, the other end of the driving link 39 is hinged with the lower end of the lifting link 42, the middle part of the driving link 39 is hinged with a piston rod of a cylinder I27, a cylinder body of the cylinder I27 is hinged with the rotating frame 26, and in the embodiment, the number of the cylinder I27 is three; a U-shaped mounting part 34 is fixed on the lifting link rod 42, a driving shaft is rotatably mounted on one side of the U-shaped mounting part 34 and is connected with a first positioning strip 37, a plurality of first hydraulic ejector pins are arranged on the first positioning strip 37, the driving shaft is also connected with a band-type brake motor 38, a driven shaft is rotatably mounted on the other side of the U-shaped mounting part 34 and is connected with a second positioning strip 35, a plurality of second hydraulic ejector pins 36 are arranged on the second positioning strip 35, and in the embodiment, the first hydraulic ejector pins and the second hydraulic ejector pins 36 are of the conventional structure; the base 23 is further provided with a first support 33 and a second support 28, the first support 33 is provided with a spraying mechanism, and the second support 28 is provided with a blow-drying assembly.

By adopting the structure, the piston rod of the first air cylinder 27 acts, the U-shaped mounting part 34 can move up and down under the action of the fixed link rod 40, the driving link rod 39, the driven link rod 41 and the lifting link rod 42, the first positioning strip 37 and the second positioning strip 35 rotate through the rotation of the band-type brake motor 38, the sealed door body is turned over, protective paint is sprayed on the sealed door body through the spraying mechanism, and the sealed door body is dried through the drying assembly, so that double-sided spraying can be conveniently carried out on the sealed door body, and the operation is simple and convenient.

The blow-drying component comprises an upper mounting rod 32 and a lower mounting rod 30, the upper mounting rod 32 and the lower mounting rod 30 are respectively fixed on the second support 28, a plurality of first air heaters 31 with downward air outlets are fixed on the upper mounting rod 32, a plurality of second air heaters 29 with upward air outlets are fixed on the lower mounting rod 30, and in the embodiment, the existing products are adopted by the first air heaters 31 and the second air heaters 29.

By adopting the structure, the protective paint on two sides of the sealed door body can be dried by the first hot air blower 31 and the second hot air blower 29.

The base 23 is further provided with a material platform 24, the material platform 24 is provided with two limiting rails 44, a second air cylinder 47 is further fixed on the material platform 24, a piston rod of the second air cylinder 47 is horizontally arranged, a pushing piece 46 used for pushing the turnover skip car 43 is fixed at the end of the piston rod of the second air cylinder 47 and connected with the end of the piston rod, and a hook 48 is further arranged on the pushing piece 46.

By adopting the structure, the sealed door body can be conveniently conveyed through the turnover trolley 43, and the sealed door body can be input or output under the cooperation of the second air cylinder 47 and the pushing piece 46.

The turnover skip car 43 is provided with a handle, and the turnover skip car 43 is also provided with wheels 45 matched with the limiting rails 44.

With this structure, the material trolley 43 can be conveniently moved by the wheels 45.

The second power structure comprises a second power motor 49, a primary belt wheel 50, a secondary belt wheel 51 and a synchronous belt 52, the second power motor 49 is fixed on the base 23, an output shaft of the second power motor 49 is vertically upward, the primary belt wheel 50 is fixed at the end part of the output shaft of the second power motor 49, the secondary belt wheel 51 is fixed at the lower end of the driving shaft 25, and the synchronous belt 52 is sleeved between the primary belt wheel 50 and the secondary belt wheel 51.

With this configuration, the primary pulley 50 is driven to rotate by the second power motor 49, the secondary pulley 51 is driven to rotate by the primary pulley 50 through the timing belt 52, and the driving shaft 25 is driven to rotate by the secondary pulley 51, so that the driving shaft 25 can be rotated.

The base 23 is also provided with a batching mechanism which comprises a batching barrel 53, a positioning rod 58, a power shaft 63 and a rotating piece 57, wherein the batching barrel 53 is fixed on the base 23 through a plurality of supporting legs, the upper part of the batching barrel 53 is provided with an opening, the lower part of the batching barrel 53 is provided with a discharge hole, a valve 54 is arranged at the discharge hole, the positioning rod 58 is fixed on the batching barrel, a guide ring 59 is fixed on the positioning rod 58, a waved guide part is arranged on the guide ring 59, the power shaft 63 is vertically and rotatably installed on the positioning rod 58, the upper end of the power shaft 63 is connected with a speed reducing motor 61, the lower end of the power shaft 63 is provided with a movable sleeve 62, the movable sleeve 62 can circumferentially slide along the power shaft 63 and circumferentially rotate synchronously with the power shaft 63, the rotating piece 57 is connected with the movable sleeve 62, a stirring piece 55 and a scraping piece 56 are fixed on the rotating piece 57, and a wheel 60 matched with the guide part is also installed on the rotating piece 57.

Adopt this structure, drive power shaft 63 through gear motor 61 and rotate, power shaft 63 drives and rotates piece 57 and rotates, rotates piece 57 and drives stirring piece 55 and scrape the piece 56 and rotate, because it can reciprocate to rotate piece 57 to can be fast prepare the protective paint in batching bucket 53 evenly, it is quick, convenient to prepare burden.

The material of the batching barrel 53 is stainless steel.

The conveying device comprises a base 64 and a conveying track 65, the base 64 is fixed on a bottom plate, the conveying track 65 is arranged on the base 64, a pushing part 72 for pushing the turnover skip car is arranged on the base 64, the pushing part 72 is connected with a pushing mechanism capable of driving the pushing part to move back and forth, and a feeding mechanism is further arranged on the base 64.

By adopting the structure, the pushing member 72 is driven by the pushing mechanism to move back and forth, so that the welded framework can be conveyed to a spraying position, and required steel bars are provided by the feeding mechanism.

The pushing mechanism comprises a driving motor 71, a main chain wheel 70, a driven chain wheel 67 and a chain belt 68, the main chain wheel 70 and the driven chain wheel 67 are respectively rotatably installed at two ends of the base 64, the main chain wheel 70 is connected with the driving motor 71, the chain belt 68 is sleeved between the main chain wheel 70 and the driven chain wheel 67, and the pushing member 72 is fixed on the chain belt 68.

By adopting the structure, the driving motor 71 drives the main chain wheel 70 to rotate, the main chain wheel 70 drives the driven chain wheel 67 to rotate through the chain belt 68, the driven chain wheel 67 drives the pushing piece 72 to move, and the turnover skip car at the pushing track can move under the action of the pushing piece 72.

Feeding mechanism includes storage case 66 and regulation and control axle 74, the vertical rotation of regulation and control axle 74 is installed on frame 64, regulation and control axle 74 lower extreme and one can drive its pivoted power structure three and link to each other, regulation and control axle 74 upper end and storage case 66 link to each other, have a plurality of portions of depositing that are used for depositing the reinforcing bar in the storage case 66, the portion lateral part of depositing has the discharge gate, still be fixed with the locating rack on the storage case 66, install a plurality of push rod motors 78 on the locating rack, and push rod motor 78's push rod level sets up, push rod motor 78's push rod end fixing has the strip 76 that pushes away that is used for the reinforcing bar to release.

By adopting the structure, the third power structure can drive the adjusting shaft to rotate, so that the material storage box 66 can be positioned at a required angle position, the push rod motor 78 drives the push strips 76 to act, and the required number and types of reinforcing steel bars can be provided as required.

An auxiliary bar 77 is also fixed to the push-out bar 76.

The power structure comprises a steering motor 69, a first gear 75 and a second gear 73, wherein the steering motor 69 is fixed on the base 64, an output shaft of the steering motor 69 is vertically arranged, the first gear 75 is fixed at the end part of the output shaft of the steering motor 69, the second gear 73 is fixed at the lower end of the regulating shaft 74, and the second gear 73 is meshed with the first gear 75.

By adopting the structure, the first gear 75 is driven to rotate by the steering motor 69, the first gear 75 is meshed with the second gear 73, the second gear 73 drives the regulating shaft 74 to rotate, and the regulating shaft 74 drives the material storage box 66 to rotate, so that the required angular position of the material storage box 66 can be adjusted as required.

The above components are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. The manufacturing method of the double-leaf protective airtight door is characterized by comprising the following steps of:

(3) Welding: putting the steel material on a positioning device in a processing system, and manually welding the steel material to obtain a steel frame;

(7) And (5) maintenance: naturally curing the semi-finished product;

the processing system comprises a bottom plate, wherein a positioning device, a conveying device and a double-sided spraying device are arranged on the bottom plate; the positioning device comprises a workbench, the workbench is fixed on a bottom plate, two vertical plates are fixed on the workbench, guide pillars are vertically fixed on the vertical plates, guide blocks are arranged on the guide pillars, a lead screw is vertically and rotatably mounted on each vertical plate, a nut is in threaded connection with the lead screw and is connected with the guide blocks through a connecting seat, a rotating shaft is rotatably arranged on the connecting seat, a positioning frame is fixed between the rotating shafts, quick clamps are respectively mounted on the periphery of the positioning frame, pressing pieces used for pressing a door frame are arranged on the quick clamps, and an adjusting and locking assembly capable of enabling the positioning frame to act is arranged on each vertical plate; the double-sided spraying device comprises a base, wherein the base is fixed on a bottom plate, a driving shaft is vertically arranged on the base, the lower end of the driving shaft is connected with a power structure II capable of driving the driving shaft to rotate, the upper end of the driving shaft is fixedly connected with the middle of a rotating frame, the end part of the rotating frame is connected with a fixed link rod, the upper end of the fixed link rod is hinged with one end of a driven link rod, the other end of the driven link rod is hinged with the upper end of a lifting link rod, the lower end of the fixed link rod is hinged with one end of a driving link rod, the other end of the driving link rod is hinged with the lower end of the lifting link rod, the middle part of the driving link rod is hinged with a piston rod of a cylinder I, a cylinder body of the cylinder I is hinged with the rotating frame, a U-shaped mounting part is fixed on the lifting link rod, a driving shaft is rotatably mounted on one side of the U-shaped mounting part and is connected with a positioning strip I, a plurality of hydraulic thimbles are arranged on the driving shaft, a driven shaft is rotatably mounted on the other side of the U-shaped mounting part, a driven shaft is connected with a positioning strip II, a plurality of hydraulic thimbles are arranged on the positioning strip II, a first support and a spraying mechanism is arranged on the base; the conveying device comprises a machine base and a conveying rail, the machine base is fixed on a bottom plate, the conveying rail is arranged on the machine base, a pushing piece used for pushing the turnover skip car is arranged on the machine base, the pushing piece is connected with a pushing mechanism capable of driving the pushing piece to move back and forth, and a feeding mechanism is further arranged on the machine base.

2. The method of claim 1, wherein the blanking apparatus comprises a cutting machine and a guillotine shear.

3. The method of claim 1, wherein said blow-drying temperature is between 80 ℃ and 120 ℃.

4. The method for manufacturing the double-leaf protective airtight door according to claim 1, wherein the sprayed coating is composed of the following raw materials in parts by weight: 10-15 parts of waterborne polyurethane resin, 20-25 parts of epoxy resin, 11-15 parts of organic bentonite, 2-7 parts of clay, 28-36 parts of borax, 5-12 parts of coupling agent, 3-7 parts of antirust agent, 5-12 parts of opacifier, 8-12 parts of adhesion agent and 1-3 parts of defoaming agent.

5. The manufacturing method of the double-leaf protective airtight door according to claim 1, characterized in that a batching mechanism is further arranged on the base, the batching mechanism comprises a batching barrel, a positioning rod, a power shaft and a rotating piece, the batching barrel is fixed on the base through a plurality of supporting legs, an opening is formed in the upper portion of the batching barrel, a discharge port is formed in the lower portion of the batching barrel, a valve is arranged at the discharge port, the positioning rod is fixed on the batching barrel, a guide ring is fixed on the positioning rod, a wavy guide portion is arranged on the guide ring, the power shaft is vertically rotated and installed on the positioning rod, the upper end of the power shaft is connected with a speed reduction motor, a movable sleeve is arranged at the lower end of the power shaft, the movable sleeve can slide along the circumferential direction of the power shaft and rotate synchronously and circumferentially along the power shaft, the rotating piece is connected with the movable sleeve, a stirring piece and a scraping piece are fixed on the rotating piece, and wheels matched with the guide portion are further installed on the rotating piece.

6. The method for manufacturing a double-leaf protective airtight door according to claim 5, wherein the material of the batching barrel is stainless steel.