A small piece of anti-ballistic helmet laying and heating device

Abstract

The utility model relates to a kind of small material sheet laying and heating device of bulletproof helmet, it includes rack, laying head mould vacuum suction material and even laying rotary device, small material sheet taking and feeding and laying pressure sticking device and small and large material sheet hot air blowing heating device;Small material sheet taking and feeding and laying pressure sticking device are installed in right side of load-bearing girder;Small material sheet taking and feeding and laying pressure sticking device cannot make small material sheet rapidly cool in sufficient hot air storage space, until laying and power heating soft pressure small material sheet still keeps soft state, guarantee smooth deformation;Small and large material sheet hot air blowing heating device is laid with glue layer under the material sheet in laying, and glue layer is softened as far as possible in laying, and material sheet can be fully deformed on the surface of laying head mould in laying, material sheet is tightly wrapped around laying head mould, avoid the gap between material sheet multilayer, reduce the air retained in gap, using the utility model lays evenly, bulletproof helmet appearance is beautiful after forming, product quality is high, laying saves time and effort, greatly improve work efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of small material sheet laying heating devices of bulletproof helmet, belong to the production and processing technology field of equipment and tool class bulletproof product. BACKGROUND

[0002] At present, the production of bulletproof helmet is composed of n large material sheets (i.e. whole cutting sheet) and m small material sheets (elliptical cutting sheet added to strengthen the strength of the top of the helmet) on the laying head mold;Large and small material sheets are all dipped aramid fabric according to size after cutting, and each large material sheet has six cutting seams evenly, i.e. divided into 6 material petals, and the whole is fan blade shape, and in the production process, several large material sheets are usually laid on the laying head mold first, and in order to make up for the thickness difference accumulated at the top and the lower four sides of the helmet, one small material sheet needs to be laid on the top of the helmet, and the large and small material sheets are laid reciprocally, and the last two layers must be large material sheets to prevent the small material sheet from leaving marks on the inner and outer surfaces of the helmet.

[0003] In the traditional production process of bulletproof helmet, the laying process has always been operated manually, generally one hand of the operator pulls the material sheet, and the other hand uses a hot air gun to heat the material sheet, and then one petal after another is laid, and the operator can be scalded or the material sheet can be damaged if not careful during work, and each operator has different techniques, and the helmets laid by different operators are various, some of which are too loose between layers, some of which are not effectively bonded between layers due to insufficient heating time, and some of which are damaged due to long heating time, which greatly reduces the bulletproof performance and appearance quality of the helmet, and causes many defective products. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of small material sheet, makes material sheet glue layer soften, and the bulletproof helmet small material sheet laying heating device that material sheet is fully deformed and tightly packed laying head mold when laying.

[0005] The utility model adopts the following technical solutions:

[0006] The utility model includes rack, laying head mold vacuum suction material and uniform laying rotation device, small material sheet taking and feeding and laying pressure sticking device and large and small material sheet hot air blowing heating device;Rack includes horizontally arranged frame body, load-bearing main beam horizontally installed on the upper layer of frame body, support frame and small material sheet platform correspondingly installed on the middle layer of frame body left and right sides, head mold mounting bracket installed between support frame and small material sheet platform and load-bearing support beam installed on the front side of the upper layer of head mold mounting bracket, and polygonal workbench plate is installed in the middle part of head mold mounting bracket;6 long holes are arranged at intervals along the circumferential surface of workbench plate;Laying head mold vacuum suction material and uniform laying rotation device are installed on workbench plate, and large and small material sheet hot air blowing heating device is installed below workbench plate, and small material sheet taking and feeding and laying pressure sticking device is installed on the right side of load-bearing main beam.

[0007] The utility model discive positive effect as follows: the utility model discive vacuum suction sheet and even sheet laying rotary device of sheet laying head mould through 18 small vacuum suction cup A vacuum suction of big sheet, can keep the shape of first layer big sheet after sheet laying heat softening tightly packed in sheet laying head mould surface, and stepping motor drives sheet laying head mould rotation through synchronous belt, can evenly stagger the overlapping part between each petal of big sheet, and guarantees that the sheet layer number and thickness of each section of helmet are same. The utility model discive small sheet taking and feeding and sheet laying pressure bonding device two small sheet lifting cylinders drop simultaneously, and bowl-shaped metal outer cover is pressed to small sheet platform table plate, and vacuum material taking cylinder drops and presses vacuum suction cup B to small sheet, and after small sheet is sucked tightly through vacuum, rises to original position, and two small sheet lifting cylinders rise to original position simultaneously, and taking and feeding reciprocating cylinder piston rod stretches out from rear position and sends small sheet to the just above of sheet laying head mould of sheet laying head mould vacuum suction sheet and even sheet laying rotary device, and L-shaped small sheet hot air nozzle outlet stretches out to the just below of small sheet in bowl-shaped metal outer cover, when this air valve B opens, and hot air blows to the adhesive layer of small sheet bottom surface, and softens (blows hot air time 2-4 seconds) while bowl-shaped rubber air bag inner surface is heated, then air valve B closes L-shaped small sheet hot air nozzle and retracts to original position, and small sheet lifting cylinder drops to middle position and stops, when this softened small sheet is still a certain distance from sheet laying head mould, and vacuum material taking cylinder drops from original position and puts small sheet on sheet laying head mould, then cuts off and destroys vacuum (fills compressed air to vacuum pipeline 0.5-1 seconds) and rises to original position, and small sheet lifting cylinder continues to drop from middle position to exit position midpoint, and bowl-shaped rubber air bag inner surface contacts sheet laying head mould and is covered and then fills compressed air to bowl-shaped rubber air bag from inflation nozzle, and bowl-shaped rubber air bag outside has metal outer cover block, can only expand to inside, so tightly presses small sheet to sheet laying head mould, and the annular heating belt arranged to bowl-shaped rubber air bag inner surface is electrified 1-2 seconds, and cools 3-5 seconds, and completes the sheet laying of small sheet, because small sheet rises to original position directly after vacuum material taking and forms a relatively closed space with bowl-shaped rubber air bag inner mouth, can save enough hot air in space and cannot make small sheet cool down rapidly, so small sheet still keeps soft state until sheet laying and electrified heating soft pressure, guarantees smooth deformation.

[0008] The utility model discive big and small sheet hot air blowing heating device is in order to soften the adhesive layer of big and small sheet below as far as possible when sheet laying, makes sheet fully deform (that is, the fiber between sheet can fully slip) on the surface of sheet laying head mould, tightly wraps big and small sheet around sheet laying head mould, avoids the gap between multiple layers of sheet, maximumly reduces the air in the gap, a small amount of air in the remaining tiny gap can smoothly extrude when pressing, prevents bulletproof helmet from producing bubble and other defects, and the temperature of hot air outlet is 120 DEG C ~ 160 DEG C, and the optimum temperature is adjusted according to environment and season.

[0009] The full-automatic sheet laying device is adopted, the effective adhesion between the material sheets is realized, the material sheet deformation is prevented, the sheet laying is uniform, the appearance of the bulletproof helmet after forming is beautiful, the product quality is high, the sheet laying saves time and labor, and the working efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0010] BRIEF DESCRIPTION OF DRAWINGS Figure 1 It is a structure schematic view of the utility model;

[0011] BRIEF DESCRIPTION OF DRAWINGS Figure 2 It is a rack structure schematic view of the utility model;

[0012] BRIEF DESCRIPTION OF DRAWINGS Figure 3 It is a vacuum material sheet suction and uniform sheet laying rotation device structure schematic view of the sheet laying head mold of the utility model;

[0013] BRIEF DESCRIPTION OF DRAWINGS Figure 4 It is a vacuum material sheet suction and uniform sheet laying rotation device part assembly structure schematic view of the sheet laying head mold of the utility model;

[0014] BRIEF DESCRIPTION OF DRAWINGS Figure 5 It is a schematic view of the A part of the utility model; Figure 3 BRIEF DESCRIPTION OF DRAWINGS

[0015] It is a small material sheet taking and feeding and sheet laying and pressing and sticking device structure schematic view of the utility model; Figure 6 BRIEF DESCRIPTION OF DRAWINGS

[0016] It is a small material sheet taking and feeding and sheet laying and pressing and sticking device part assembly structure schematic view of the utility model; Figure 7 BRIEF DESCRIPTION OF DRAWINGS

[0017] It is a ring-shaped heating belt installation structure schematic view of the utility model; Figure 8 BRIEF DESCRIPTION OF DRAWINGS

[0018] It is a large and small material sheet hot air blowing heating device part assembly schematic view of the utility model; Figure 9 BRIEF DESCRIPTION OF DRAWINGS

[0019] It is a large material sheet structure schematic view of the utility model; Figure 10 BRIEF DESCRIPTION OF DRAWINGS

[0020] It is a sheet laying head mold plan view structure schematic view of the utility model; Figure 11 BRIEF DESCRIPTION OF DRAWINGS

[0021] It is a small material sheet structure schematic view of the utility model; Figure 12 BRIEF DESCRIPTION OF DRAWINGS

[0022] It is a rack-mounted large material sheet automatic weighing and feeding device, large material sheet sheet clamping and laying device, large material sheet middle part pressing and sticking and holding device and large material sheet heating and soft pressing device structure schematic view; Figure 13 BRIEF DESCRIPTION OF DRAWINGS

[0023] It is a large material sheet automatic weighing and feeding device structure schematic view; Figure 14 BRIEF DESCRIPTION OF DRAWINGS

[0024] Appendix Figure 15 A schematic diagram of the assembly structure of the parts for the automatic weighing and feeding device for large material sheets;

[0025] Appendix Figure 16 Schematic diagram of a large sheet clamping and spreading device;

[0026] Appendix Figure 17 A schematic diagram of the assembly structure of the parts for a large sheet gripping and laying device;

[0027] Appendix Figure 18 A schematic diagram of the device for pressing, bonding, and retaining large sheet materials in the middle;

[0028] Appendix Figure 19 A schematic diagram of the assembly structure of the parts for pressing, bonding and retaining the large sheet material in the middle;

[0029] Appendix Figure 20 A schematic diagram of a heating and pressing device for large sheet materials;

[0030] Appendix Figure 21 A schematic diagram of the assembly structure of the parts for the heating and pressing device for large sheet materials;

[0031] Appendix Figure 22 This is a schematic diagram of an M-shaped heating belt structure. Detailed Implementation

[0032] As attached Figure 1 , 2 As shown, the bulletproof helmet small material sheet laying and heating device of this utility model includes a frame 1, a sheet laying head mold vacuum suction and uniform sheet laying rotation device 6, a small material sheet feeding and sheet laying pressing device 7, and a large and small material sheet hot air heating device 8; the frame 1 of this utility model includes a horizontally arranged frame body 109, a horizontally installed load-bearing main beam 101 on the upper layer of the frame body 109, a support frame 106 and a small material sheet platform 107 correspondingly installed on the middle layer of the left and right sides of the frame body 109, a head mold mounting frame 108 installed between the support frame 106 and the small material sheet platform 107, and a load-bearing support beam 105 installed on the front side of the upper layer of the head mold mounting frame 108. The load-bearing support beam 105 is perpendicular to the load-bearing main beam 101. A polygonal workbench 103 is installed in the middle of the workbench 108; six elongated holes 104 are spaced apart along the circumference of the workbench 103, and six flexible pressure columns 102 are evenly installed at intervals along the circumference of the workbench 103 outside the six elongated holes 104; an annular fixing plate 110 is fixedly installed on the top of the six flexible pressure columns 102, and a support column 111 is fixedly installed between the six flexible pressure columns 102; a break section 112 is provided on the upper part of the flexible pressure column 102; a sheet-laying head mold vacuum suction and uniform sheet-laying rotation device 6 is installed on the workbench 103; a large and small sheet hot air heating device 8 is installed below the workbench 103; and a small sheet feeding and sheet-laying pressing device 7 is installed on the right side of the load-bearing main beam 101.

[0033] As attached Figure 3 , 4 As shown in Figure 5, the vacuum suction sheet and uniform sheeting rotating device 6 of this utility model for sheeting head mold includes a sheeting head mold 601, a vacuum suction sheet assembly disposed on the sheeting head mold 601, and a uniform sheeting rotating assembly installed at the bottom of the sheeting head mold 601; the sheeting head mold 601 is a metal shell matching the shape of a helmet, with a hollow inner cavity and a wall thickness of 20mm; the vacuum suction sheet assembly includes a suction area disposed on the outer wall of the sheeting head mold 601 that matches the shape of six material petals of the large sheet, three suction cup step mounting holes 620 disposed on each suction area, and a vacuum suction cup A602 embedded in each suction cup step mounting hole 622; the suction area includes a, b In zones c, d, e, and f, three vacuum suction cups A602 are arranged in a triangular pattern within each zone. The suction cup openings of vacuum suction cups A602 are flush with the outer wall of the laying head mold 601. The air inlet of vacuum suction cups A602 is installed inside the laying head mold 601 via nuts. A base plate 603 is fixedly installed on the bottom surface of the laying head mold 601. A column tube 604 is installed on the bottom surface of the base plate 603. The column tube 604 communicates with the inner cavity of the laying head mold 601 through a vent hole in the middle of the base plate 603. Through holes C605 are provided on both sides of the base plate 603 for vacuum lines to enter the inner cavity of the laying head mold 601. The air inlet of vacuum suction cups A602 is connected to the corresponding vacuum tube inside the laying head mold 601. A column tube 604 is fixedly installed at its bottom end. A stepped shaft 606 has a pressure ball bearing 610 mounted on its upper section 607. A pressure ball bearing mounting seat 611 and a bearing mounting seat 612 are correspondingly mounted on the top and bottom surfaces of the worktable 103. The pressure ball bearing 610 is housed within the pressure ball bearing mounting seat 611. The stepped shaft 606 passes through the hole 613 in the middle of the worktable 103 and the bearing mounting seat 612. A bearing B614 is mounted on the lower section 608 of the stepped shaft 606. The uniformly laid sheet rotating assembly includes a synchronous pulley A615, a synchronous pulley B616, a synchronous belt 617, and a stepper motor 618. The synchronous pulley A615 is mounted on the shaft head 609 of the stepped shaft 606, on one side of the bottom surface of the worktable 103. A motor mounting bracket 619 with a side opening is fixedly installed. The stepper motor 618 is vertically fixedly installed on the base plate of the motor mounting bracket 619, with its drive shaft passing through the base plate. The synchronous pulley B616 is installed on the drive shaft of the stepper motor 618 and is located inside the motor mounting bracket 619. The synchronous belt 617 is installed on the synchronous pulleys A615 and B616. The vacuum chuck A602 is a Dingling PA-10. The pressure bead plate 610 is an F3-8M51110. The bearing B614 is an F6208-2Z. The stepper motor 618 is an STM57100.

[0034] As attachedFigure 3 , 4 As shown in Figures 5 and 10, a problem arises when the vacuum suction sheet and uniform sheet-laying rotating device 6 of this utility model for laying sheet head molds are in operation. Specifically, after the first large sheet laid on each helmet undergoes pressing and bonding in the middle, and then layered and heated, the overlapping portions of the six sheets do not adhere well. (The desired effect is that the remaining sheets do not adhere to the metal sheet head mold; otherwise, the semi-finished helmet cannot be separated from the metal sheet head mold after sheet laying.) The sheet often fails to tightly wrap around the head mold, remaining loose. This results in subsequent layers not being laid tightly, and the entire helmet failing to meet technical requirements, becoming entirely waste. Analysis... It was discovered that the problem stemmed from the fact that the head mold 601, being made of metal with a large wall thickness, caused the heat from the heating and bonding of the large sheet material to be quickly conducted away by the head mold 601. This prevented the adhesive film on the large sheet material from melting and adhering properly. Even extending the heating time did not solve the problem. Adding a heating device to the helmet caused the entire sheet material to stick to the surface of the head mold and become impossible to remove, which also failed. Finally, a solution was found to be using three small-diameter (approximately Φ10mm in diameter) silicone vacuum suction cups A602 (one on the top and two on the bottom) in each of the six areas corresponding to the first layer of large sheet material on the head mold. This allowed for the effective application of 18 small vacuum suction cups A602. The vacuum attraction of the large sheet material 9 maintains the shape of the first layer of large sheet material 9 after it has been softened by heating and laying, tightly wrapping it around the surface of the laying head mold 601. Since one side of the large sheet material 9 is coated with an airtight adhesive film, this only applies to the first layer of large sheet material 9. When laying the second layer of large sheet material 9, due to the perfect base of the first layer, it will adhere smoothly and ideally to the first layer. Subsequent layers of sheet material can then be laid smoothly. In order to evenly stagger the overlapping parts between the segments of the large sheet material 9 to avoid overlap, that is, to ensure that the number and thickness of sheet material layers in each section of the helmet are the same, the uniform laying rotation is controlled by PLC. The component, stepper motor 618, drives the laying head mold from the starting position (starting position 0°) to lay 15 large material sheets. When laying 15 large material sheets, stepper motor 618 performs the following cycle: 0°, left 30°, left 60°, 0°, right 30°, right 60°, 0°, left 30°, left 60°, 0°, right 30°, right 60°, 0°, left 30°, left 60°. After the helmet is laid, it automatically returns to 0° (starting position) and starts the next cycle. (Generally, the large material sheets of the helmet are designed to be divided into 6 segments, and the overlap between each segment accounts for 1 / 3 of each segment. At most, three large material sheets can be laid evenly to fill a layer.)

[0035] As attached Figure 6 , 7,8, the utility model disc shows small material piece taking material and laying piece press and stick device 7 including taking material and going and returning lift subassembly and laying piece press and stick subassembly, in the right side sliding installation sliding block C707 of slide rail A211, taking material and going and returning lift subassembly includes the taking material and going and returning air cylinder 701 of transverse arrangement, the small material piece lift air cylinder A 702 of vertical arrangement, small material piece lift air cylinder B 703 of vertical arrangement and vertical arrangement's vacuum taking material lift air cylinder 704, the cylinder body end of taking material and going and returning air cylinder 701 is hinged with the air cylinder installation U -shaped seat 706 of installing in the bottom surface of bearing main girder 101 right -hand end through air cylinder mounting lug seat 705, fixed installation door frame shape frame 708 in the bottom surface of sliding block C707, and the piston rod end of taking material and going and returning air cylinder 701 is fixedly installed in the bottom surface of door frame shape frame 708 top plate through right-angle connecting plate 713, fixed installation support flat plate 709 in the bottom end of door frame shape frame 708, the cylinder rod through hole 710 is set in support flat plate 709 both ends outside door frame shape frame 708, and the cylinder body end of small material piece lift air cylinder A 702 and small material piece lift air cylinder B 703 is respectively fixedly installed in the top surface of support flat plate 709 corresponding end and parallelly arranged, and the piston rod of small material piece lift air cylinder A 702 and small material piece lift air cylinder B 703 respectively clearance passes through cylinder rod through hole 710 and is fixed on both sides of connecting flat plate 711, the vacuum taking material lift air cylinder 704 is fixed in the middle part of connecting flat plate 711 through mounting angle piece 712, and the piston rod front end of vacuum taking material lift air cylinder 704 passes through the through -hole in the middle part of connecting flat plate 711 and is connected with laying piece press and stick subassembly, and the upper cylinder body of vacuum taking material lift air cylinder 704 clearance passes through the square hole in the middle part of support flat plate 709,

[0036] The laying and pressing assembly comprises a vacuum chuck mounting disc 714 fixedly mounted at the end of the piston rod of the vacuum material taking lifting cylinder 704, three material taking vacuum chucks B 715 fixedly and evenly mounted on the vacuum chuck mounting disc 714 with the center of the vacuum chuck mounting disc 714 as the axis, a bowl-shaped metal outer cover 716 fixedly mounted at the bottom of the connecting plate 711, and a bowl-shaped rubber air bag 717 arranged in the inner cavity of the bowl-shaped metal outer cover 716. The side wall of the bowl-shaped rubber air bag 717 is filled with air and sealed in the interlayer, an air inlet 718 is mounted on the side wall of the bowl-shaped rubber air bag 717, the air inlet 718 passes through the through hole D 719 on the bowl-shaped metal outer cover 716 to connect the bowl-shaped rubber air bag 717 with the bowl-shaped metal outer cover 716, and an annular heating belt 720 (i.e. two ends downwardly leading to the power supply, not a complete annulus) is arranged at the upper part of the inner cavity of the bowl-shaped rubber air bag 717. The bowl-shaped metal outer cover 716 and the bowl-shaped rubber air bag 717 are both provided with disc passing holes with an inner diameter larger than the outer diameter of the vacuum chuck mounting disc 714 at the top, and the vacuum chuck mounting disc 714 is arranged in the bowl-shaped rubber air bag 717 through the disc passing holes. The type of the material taking feeding reciprocating cylinder 701 is SE40x1000S; the types of the small material sheet lifting cylinder A 702 and the small material sheet lifting cylinder B 703 are both SE50x350S; the type of the vacuum material taking lifting cylinder 704 is TN20x200S; and the type of the material taking vacuum chuck B 715 is Dingling PA-20.

[0037] As shown in the accompanying drawings Figure 6 , 7, 8, 12, the small material piece lifting cylinder A 702 and the small material piece lifting cylinder B 703 are synchronously lowered to press the bowl-shaped metal cover 716 to the small material piece platform 107 table plate, the vacuum material taking cylinder 704 piston rod extends to drive the vacuum chuck mounting disc 714 to descend, the vacuum chuck B 715 is pressed to the small material piece 10, after the vacuum chuck B 715 is tightly sucked to the small material piece 10 by vacuum, the vacuum material taking cylinder 704 piston rod is retracted to drive the vacuum chuck mounting disc 714 to ascend back to the original position, the small material piece 10 outer diameter is larger than the bowl-shaped rubber air bag 717 upper opening outer diameter, the small material piece 10 seals the bowl-shaped rubber air bag 717 upper end inner opening, and a relatively closed space is formed, sufficient hot air can be stored in the bowl-shaped rubber air bag 717 space, so that the small material piece 10 is not rapidly cooled, so that the small material piece still maintains a soft state until the piece is laid and the heating and soft pressure are powered, and the smooth deformation is guaranteed.The small material piece lifting cylinder A 702 and the small material piece lifting cylinder B 703 are synchronously raised to the original position, the feeding and taking cylinder 701 piston rod extends from the original position to send the small material piece to the piece laying head die 601 directly above and stops, the L-shaped small material piece hot air nozzle 812 outlet extends to the small material piece 10 directly below in the bowl-shaped metal cover 716, at this time, the air valve 814 is opened, the hot air blows to the glue layer at the bottom of the small material piece 10, the hot air blowing time is 3-5 seconds, at the same time, the inner surface of the bowl-shaped rubber air bag 717 is also heated, then the air valve 814 is closed, the L-shaped small material piece hot air nozzle 812 is retracted to the original position, the small material piece lifting cylinder A 702 and the small material piece lifting cylinder B 703 are synchronously lowered to the middle position and stop, the softened small material piece 10 is still a certain distance from the piece laying head die 601, the vacuum material taking cylinder 704 is lowered from the original position to press and place the small material piece 10 on the top of the piece laying head die 601, then the vacuum is cut off and the compressed air is filled into the vacuum pipeline for 0.5-1 seconds to rise back to the original position, the small material piece lifting cylinder A 702 and the small material piece lifting cylinder B 703 continue to descend from the middle position to the outlet position, so that the inner surface of the bowl-shaped rubber air bag 717 contacts the piece laying head die 601 and is wrapped, then the bowl-shaped rubber air bag 717 is inflated by the inflation nozzle 718, the bowl-shaped metal cover 716 outside the bowl-shaped rubber air bag 717 blocks, can only be inflated inward, so that the small material piece 10 is tightly pressed to the piece laying head die 601, at the same time, the annular heating belt 720 is powered for 1-2 seconds, then the power is turned off and cooled for 3-5 seconds, then the small material piece lifting cylinder A 702 and the small material piece lifting cylinder B 703 rise back to the original position, the feeding and taking cylinder 701 retracts to the original position, and the small material piece 10 laying work is completed.

[0038] As shown in the accompanying drawings Figure 9As shown, the large and small material piece hot air blowing heating device 8 comprises a hot air blower 801, a hot air main pipe 805 installed on the air outlet of the hot air blower 801, a large material piece hot air blowing assembly and a small material piece hot air blowing assembly installed on the air outlet of the hot air main pipe 805, the large material piece hot air blowing assembly comprises a large material piece hot air distributor 806 installed on the air outlet of the hot air main pipe 805, an air valve A 807 installed on the shunt outlet of the large material piece hot air distributor 806, a heat-resistant hose 808 installed on the air outlet of the air valve A 807, and a flat conical large material piece hot air blowing nozzle 810 installed on the air outlet of the heat-resistant hose 808, the large material piece hot air blowing nozzle 810 is fixed on the two screw holes 303 in the middle of the special-shaped connecting plate 302 facing the laying head mold direction through the bolts on the clamp 809, and the large material piece hot air blowing nozzle 810 moves with the large material piece holding and laying device 3 to ensure that the large material piece hot air blowing nozzle 810 is always below the large material piece during the laying process, the hot air distributor 806 is in the shape of a cone, and six shunt outlets are uniformly arranged at the top, the small material piece hot air blowing assembly comprises a bypass pipe 816 installed on the hot air main pipe 805, an air valve B 814 installed on the bypass pipe 816, an L-shaped small material piece hot air blowing nozzle 812 installed on the air outlet of the bypass pipe 816, and a nozzle telescopic assembly, the top of the bypass pipe 816 is inclined downward to be a straight pipe, the hot air outlet end of the L-shaped small material piece hot air blowing nozzle 812 is an upwardly bent arc, the hot air inlet end gap of the L-shaped small material piece hot air blowing nozzle 812 is sleeved on the hot air outlet end of the straight pipe (the hot air inlet end of the L-shaped small material piece hot air blowing nozzle 812 can move in the gap in the straight pipe under external force, and the leaked hot air from the gap between the straight pipe and the L-shaped small material piece hot air blowing nozzle 812 can be ignored), the nozzle telescopic assembly comprises adjusting cylinders A 815 and adjusting cylinders B 817 installed on both sides of the straight pipe, the cylinder bodies of the adjusting cylinders A 815 and the adjusting cylinders B 817 are installed on the outer side of the straight pipe through the fixing seat 813, and the piston rod ends of the adjusting cylinders A 815 and the adjusting cylinders B 817 are installed on both sides of the L-shaped small material piece hot air blowing nozzle 812 through the blowing pipe connecting angle plate, and the piston rod of the adjusting cylinders A 815 and the adjusting cylinders B 817 is stretched and retracted to drive the L-shaped small material piece hot air blowing nozzle 812 to be sent out and withdrawn from the outlet end of the straight pipe.When the small sheet 10 is delivered directly above the laying head mold 601, the piston rods of adjusting cylinders A815 and B817 extend simultaneously, sending the air outlet of the L-shaped small sheet hot air nozzle 812 out to the lower layer of the small sheet adhesive film held by three vacuum suction cups B715 inside the bowl-shaped metal outer cover 716. Hot air is blown to heat and soften the film, facilitating the next step of sheet laying deformation. After heating for 3-5 seconds, the piston rods of adjusting cylinders A815 and B817 retract, returning the L-shaped small sheet hot air nozzle 812 to its original position within the straight pipe, making way for the lowering of the bowl-shaped metal outer cover 716 to lay the small sheet. The high-efficiency hot air blower 801 reduces heat loss. A hot air circulation pipe 803 is installed between the air inlet 802 and the air outlet of the hot air blower 801. An air valve C804 is installed on the hot air circulation pipe 803. When the hot air volume is low or during a short period when hot air is not being blown, the air valve C804 opens, returning some or all of the hot air to the air inlet of the hot air blower 801. This increases the inlet air temperature and reduces the work done by the hot air blower. The hot air blower will automatically adjust its heating power or stop heating. The regulating cylinders A815 and B817 are mentioned. The model of the hot air blower 801 is SHL3 / ZYD-030B.

[0039] As attached Figure 13 As shown, the fully automatic punch laying machine for bulletproof helmets of this utility model also includes an automatic weighing and feeding device 2 for large sheet materials installed on the left side of the load-bearing main beam 101 and the support frame 106, a large sheet material gripping and laying device 3 installed on the lower inner side of the flexible pressure column 102, a large sheet material heating and flexible pressure device 5 installed on the upper broken section 112 of the flexible pressure column 102, and a large sheet material middle pressing and holding device 4 installed on the load-bearing support beam 105; there are 6 large sheet material gripping and laying devices 3 and 6 large sheet material heating and flexible pressure devices 5. The large sheet material heating and flexible pressure devices 5 are arranged above the large sheet material gripping and laying devices 3. The 6 large sheet material gripping and laying devices 3 and the 6 large sheet material heating and flexible pressure devices 5 are arranged in a ring and evenly spaced outside the vacuum suction and uniform laying rotation device 6 of the laying head mold.

[0040] As attached Figure 14 , 15As shown in the drawings, the large tablet automatic weighing feeding device 2 comprises a large tablet feeding reciprocating driving assembly installed on the left bottom surface of the load-bearing main beam 101, a large tablet feeding lifting assembly installed at the bottom of the large tablet feeding reciprocating driving assembly, and a material receiving and weighing assembly installed on the support frame 106. The large tablet feeding reciprocating driving assembly comprises a large tablet reciprocating cylinder 201 and a sliding block A 203 slidingly installed on and sliding along a sliding rail A 202. The sliding rail A 202 is fixedly installed on the bottom surface of the middle part of the load-bearing main beam 101. A U-shaped tail seat 204 is fixedly installed on the bottom surface of the left end of the load-bearing main beam 101, a right-angle connecting plate A 205 is fixedly installed on the bottom surface of the sliding block A 203, an ear seat A 206 is fixedly installed on the end part of the cylinder body of the large tablet reciprocating cylinder 201, the ear seat A 206 is hinged to the U-shaped tail seat A 204, the vertical side plate of the right-angle connecting plate A 205 is fixedly connected to the end of the piston rod of the large tablet reciprocating cylinder 201, and the model of the large tablet reciprocating cylinder 201 is SC40×1250S. The large tablet feeding lifting assembly comprises a vertically arranged feeding lifting cylinder 207. The end of the piston rod of the feeding lifting cylinder 207 is vertically downward, and a right-angle folding plate A 208 and a right-angle folding plate B 209 are fixedly installed on both sides of the end of the cylinder body of the feeding lifting cylinder 207. The top plates of the right-angle folding plate A 208 and the right-angle folding plate B 209 are respectively fixed to the bottom surface of the sliding block A 203. The piston rod of the large tablet reciprocating cylinder 201 is extended and retracted to push the sliding block A 203 to slide left and right and drive the feeding lifting cylinder 207 to run left and right, and the model of the feeding lifting cylinder 207 is TCL20×250S. The material receiving and weighing assembly comprises a feeding disc 210, a large tablet vacuum suction cup 211, a material receiving disc 212, and an electronic scale 213. The material receiving disc 212 is used for placing the large tablet 9. The top surface of the feeding disc 210 is fixed to the end of the piston rod of the feeding lifting cylinder 207, six mounting circular holes 214 are uniformly arranged along the edge of the feeding disc 210, and six large tablet vacuum suction cups 211 are correspondingly mounted in the mounting circular holes 214. The suction cup port of the large tablet vacuum suction cup 211 is downward, and the top end air inlet of the large tablet vacuum suction cup 211 is connected to the air source. A support table plate 215 is installed on the support frame 106, a shafted linear cylinder 216 is fixedly installed at each corner of the support table plate 215, a linear bearing A 217 corresponding to the shafted linear cylinder 216 is installed at each corner of the material receiving disc 212, and the shafted linear cylinder 216 is gap-inserted into the linear bearing A 217. The electronic scale 213 is placed in the middle part of the support table plate 215 and corresponds to the bottom surface of the material receiving disc 212. Material receiving disc lifting cylinders 218 are vertically fixedly installed on the left and right sides of the support table plate 215, and the two material receiving disc lifting cylinders 218 are symmetrically arranged at the center of the support table plate 215. A lifting disc 219 is installed at the top end of the piston rod of the material receiving disc lifting cylinder 218, and the lifting disc 219 lifts the material receiving disc 212. The piston rods of the two material receiving disc lifting cylinders 218 are lifted and lowered to drive the material receiving disc 212 to be placed on the electronic scale 213 or to be pushed away from the electronic scale 213.The model of the material receiving disc lifting cylinder 218 is MD20*30S, the model of the large piece vacuum chuck 211 is Dingling PA-40, the model of the linear bearing A 217 is LBBR8, and the model of the electronic scale 213 is Tolido MT1022.

[0041] As shown in FIGS. 15 and 16, the large piece automatic weighing and feeding device 2 is used to arrange the large pieces 9, cut off the thread ends, open the adhesion caused by cutting, align the openings of the large pieces 9, and place the large pieces 9 on the material receiving disc 212 at the pre-marked position. Figure 10 、 14 When the large piece automatic weighing and feeding device 2 is working, the large pieces 9 are arranged one by one, the thread ends are cut off, the adhesion caused by cutting is opened, the openings of the large pieces 9 are aligned, and the large pieces 9 are placed on the material receiving disc 212 at the pre-marked position. The electronic scale 213 displays the weight value of all the large pieces 9 after being connected to the power supply. The device switch is started, the two symmetrically distributed material receiving disc lifting cylinders 218 are lifted upward from the original position, the material receiving disc 212 is pushed away from the electronic scale 213, the material taking lifting cylinder 207 drives the material taking disc 210 to descend from the original position and press the six large piece vacuum chucks 211 on the six corresponding petals of the large pieces 9. The vacuum is connected, the six large piece vacuum chucks 211 suck the six petals of the large pieces 9, the material taking lifting cylinder 207 rises and stops at the original position, and then the material receiving disc lifting cylinder 218 descends to the original position, the material receiving disc 212 is placed on the electronic scale 213 for weighing and metering. The two values before and after taking the material are fed back to the PLC for analysis and judgment. If the difference is less than or equal to the weight of one large piece 9, it is determined that one large piece 9 is taken away. Then the piston rod of the large piece reciprocating cylinder 201 extends from the original position, pushes the sliding block A 203 to the right, drives the material taking lifting cylinder 207 to run to the right, and sends the large piece 9 to the center above the six large piece piece clamping and laying device 3, completing the taking and feeding work. If the difference is greater than the weight of one large piece 9, it is determined that more than one large piece 9 is taken away, and the previous material taking action is repeated, that is, the material receiving disc lifting cylinder 218 is lifted upward from the original position to push the material receiving disc 212 away from the electronic scale 213, the material taking lifting cylinder 207 drives the material taking disc 210 to descend from the original position to the out-of-position, the large piece vacuum chuck 211 cuts off the vacuum and puts the taken large piece 9 back to the original position, and the material taking process is performed again. In this way, it can be ensured that one large piece is sent away each time.

[0042] As shown in FIGS. 15 and 16, the large piece automatic weighing and feeding device 2 is used to arrange the large pieces 9, cut off the thread ends, open the adhesion caused by cutting, align the openings of the large pieces 9, and place the large pieces 9 on the material receiving disc 212 at the pre-marked position. Figure 16 、 17As shown, the large sheet clamping and laying device 3 comprises a vertical laying lifting cylinder 301, a special-shaped connecting step plate 302 fixedly installed at the top end of the laying lifting cylinder 301, and right and left clamping components with the same structure installed at both ends of the special-shaped connecting step plate 302. The model of the laying lifting cylinder 301 is TR20x125S. Two screw holes 303 for installing large sheet hot air outlets are arranged in the middle of the special-shaped connecting plate 302 and face the head mold direction. The steps at both sides of the special-shaped connecting step plate 302 are symmetrically arranged with the center of the top plate in the middle, and the right and left clamping components are symmetrically arranged with the center of the top plate in the middle of the special-shaped connecting step plate 302. A lower base mounting plate 304 is installed at one side of the bottom of the cylinder body of the laying lifting cylinder 301, and the base of the lower base mounting plate 304 is hingedly connected with a lower hinge seat 305 installed on the workbench plate 103. The inner side of the lower part of the flexible pressing column 102 is hingedly connected with the cylinder body end of the transversely arranged auxiliary laying cylinder 308 through a mounting base 307. An upper mounting plate 306 corresponding to the piston rod end of the auxiliary laying cylinder 308 is installed at the other side of the upper part of the cylinder body of the laying lifting cylinder 301. The piston rod end of the auxiliary laying cylinder 308 is hingedly connected with the outer side ear seat of the upper mounting plate 306 through a connecting ear plate 309. The model of the auxiliary laying cylinder 308 is MAL20x75SCA. The right clamping component comprises a downward right rotary rotating clamping cylinder 310, a right lower tooth-shaped plate 311, and a right upper tooth-shaped pressing plate 312. The corresponding end faces of the right lower tooth-shaped plate 311 and the right upper tooth-shaped pressing plate 312 are provided with meshing teeth for clamping large sheets. A circular through hole A 313 is arranged in the middle of the right lower tooth-shaped plate 311. Height adjusting sleeves A 314 and B 315 are arranged at both sides of the top surface of the cylinder body of the downward right rotary rotating clamping cylinder 310. Long rod bolts A 316 and B 317 installed at both sides of the right lower tooth-shaped plate 311 respectively pass through the height adjusting sleeves A 314 and B 315 and are screwed with both sides of the cylinder body of the downward right rotary rotating clamping cylinder 310 in gaps. The piston rod of the downward right rotary rotating clamping cylinder 310 passes through the circular through hole A 313 and is fixed with the right upper tooth-shaped pressing plate 312 in a gap. The downward movement of the piston rod of the downward right rotary rotating clamping cylinder 310 drives the right upper tooth-shaped pressing plate 312 to mesh with the right lower tooth-shaped plate 311.

[0043] The left gripper clamping assembly includes a left-hand rotary clamping cylinder 318, a lower left toothed plate 319, and an upper left toothed pressure plate 320; a circular through hole B321 is provided in the middle of the lower left toothed plate 319; height adjustment sleeves C322 and D323 are provided on both sides of the top surface of the cylinder body of the left-hand rotary clamping cylinder 318, and long bolts C324 and D325 installed on both sides of the lower left toothed plate 319 pass through the height adjustment sleeves C322 and D323 respectively. The cylinder body of the left-hand rotary clamping cylinder 318 is screwed to both sides. The piston rod of the left-hand rotary clamping cylinder 318 passes through the circular through hole B321 and is fixed to the upper left toothed pressure plate 320. The piston rod of the left-hand rotary clamping cylinder 318 moves downward to drive the upper left toothed pressure plate 320 to mesh with the lower left toothed plate 319. The model of the right-hand rotary clamping cylinder 310 is OCKR20×30S. The model of the left-hand rotary clamping cylinder 318 is OCKL20×30S.

[0044] As attached Figure 10 , 16 As shown in Figure 17, when the six large material sheet gripping and laying device 3 of this utility model is working, while picking up the large material sheet 9, the auxiliary laying cylinder 308 is in its original position, ensuring that the piston rod of the laying lifting cylinder 301 rises vertically to the exit position. Then, the piston rods of the right-hand rotary clamping cylinder 310 and the left-hand rotary clamping cylinder 318 are pressed down and extended from their original positions to the exit position, i.e., the highest position. The upper right toothed pressure plate 312 and the upper left toothed pressure plate 320 rotate 90° outward from the direction of the laying head mold, making room for the space blocked by the upper right toothed pressure plate 312 and the upper left toothed pressure plate 320, exposing the lower right toothed plate 311 and the lower left toothed plate 319, so that the corresponding material petals of the large material sheet 9 can fall smoothly onto the lower right toothed plate 311 and the lower left toothed plate 319. Then the upper right toothed pressure plate 312 and the upper left toothed plate 320 rotate 90° outward from their original positions. Each toothed pressure plate 320 rotates inward by 90° and then descends to press onto the lower right toothed plate 311 and the lower left toothed plate 319 respectively, gripping the corresponding petal of the large sheet 9. All six identical large sheet gripping and laying devices 3 are concentrically distributed towards the laying head die, each corresponding to one of the six petal areas of the large sheet 9. Each petal edge of each large sheet 9 corresponds to a large sheet gripping and laying device 3, i.e., the upper right toothed pressure plate 312 and the lower right toothed plate 311 mesh, and the upper left toothed pressure plate 320 and the lower left toothed plate 319 mesh. The two sets of meshing toothed plates grip one petal of the large sheet 9. Similarly, the toothed plates on the other large sheet gripping and laying devices 3 synchronously complete the same action to prevent any petal of the large sheet from detaching during the laying process, causing laying failure.

[0045] When the laying-up is in progress, the laying-up lifting cylinder 301 of the laying-up device 3 holds the 6 large pieces of material, and the auxiliary laying-up cylinder 308 slowly extends, forming an arc trajectory, and each piece of material is pulled down to the bottom of the laying-up head mold, completing the ideal laying-up action. The A, C and E pieces of material are laid first, and then the B, D and F pieces of material are laid, so that the pieces of material are not affected during the laying-up and the overlapping parts are also laid flat and wrinkle-free.

[0046] As shown in the accompanying drawings, the middle pressing and sticking and holding device 4 of the large piece of material includes a pressing and sticking reciprocating assembly, a Z-shaped connecting plate 401 installed at the bottom of the pressing and sticking reciprocating assembly, a reverse pushing assembly installed at the top surface of the lower end of the Z-shaped connecting plate 401, and a lifting and pressing and heating assembly installed at the bottom surface of the lower end of the Z-shaped connecting plate 401. Figure 18 、 19 The pressing and sticking reciprocating assembly includes a pressing and sticking reciprocating cylinder 402 and a sliding block B 404 slidingly installed on a sliding rail B 403. The sliding rail B 403 is installed on the bottom surface of the load-bearing beam 105. The higher end of the Z-shaped connecting plate 401 is fixedly installed on the bottom surface of the sliding block B 404. A U-shaped base 405 is fixedly installed on the bottom surface of the front end of the load-bearing beam 105, a right-angle connecting plate B 406 is fixedly installed on the bottom surface of the sliding block B 404, an ear seat B 407 is fixedly installed on the end portion of the cylinder body of the pressing and sticking reciprocating cylinder 402, the ear seat B 407 is hinged to the U-shaped base 405, the piston rod end of the pressing and sticking reciprocating cylinder 402 is fixedly connected to the vertical side plate of the right-angle connecting plate B 406, and the model of the pressing and sticking reciprocating cylinder 402 is SU40x350S.

[0047] The reverse pushing assembly includes a vertically installed reverse pushing cylinder 408 and a top plate 409 fixedly installed on the top end of the piston rod of the reverse pushing cylinder 408. The cylinder body of the reverse pushing cylinder 408 is fixedly installed with an upper right-angle folded plate A 410 and an upper right-angle folded plate B 411 on both sides, respectively. The bottom plates of the upper right-angle folded plate A 410 and the upper right-angle folded plate B 411 are fixedly installed on the top surface of the lower end of the Z-shaped connecting plate 401. The piston rod of the reverse pushing cylinder 408 drives the top plate 409 to rise from the original position to the bottom surface of the sliding rail B 403, and the model of the reverse pushing cylinder 408 is TN20x30.

[0048] The lifting and heating assembly includes a lifting cylinder 412, a lowering disc 413, a heating rod 414, a temperature control probe 415, and a heat-resistant silicone disc 416. An upper right-angled folding plate A417 and a lower right-angled folding plate B418 are fixedly installed on the outer walls of both sides of the lifting cylinder 412. The top plates of the upper right-angled folding plates A413 and B416 are fixedly installed on the lower end of the bottom surface of the Z-shaped connecting plate 411. The piston rod at the bottom of the lifting cylinder 412 is fixedly connected to the top surface of the lowering disc 413 via a hinge plate. The heating rod 414 and the temperature control probe 415 are respectively installed at intervals in the mounting holes on the side wall of the lowering disc 413. The heat-resistant silicone disc 416 is bonded to the bottom surface of the lowering disc 413, and the size of the heat-resistant silicone disc 416 is the same as the top circle of the large sheet without cutting. The lifting cylinder 412 is a TN20×200S model.

[0049] As attached Figure 10 , 18 As shown in Figure 19, when the large sheet pressing and holding device 4 of this utility model is working, after the six large sheet gripping and holding devices 3 hold the large sheet 9 that is delivered, the piston rod of the pressing reciprocating cylinder 402 extends from its original position and sends the pressing disc 413 installed at the lower end of the Z-shaped connecting plate 401 to the top of the laying head mold 601, that is, the center of the large sheet 9. The piston rod of the lifting cylinder 412 extends and drives the pressing disc 413 to descend, pressing the heat-resistant silicone disc 408 onto the large sheet 9 and the center of the top surface of the laying head mold 601. At this time, the heating rod 414 has been energized and the temperature has been raised to 60℃~70℃. At the same time, the piston rod of the reverse thrust cylinder 408 rises from its original position and pushes the top plate 409 to the bottom surface of the slide rail B404, and transmits the pressure down to the top surface of the laying head mold 601, and holds it until the laying of one large sheet 9 is completed. After completion, the piston rod of the reverse thrust cylinder 408 retracts to its original position, the piston rod of the lifting cylinder 412 rises to its original position, and the pressing and bonding reciprocating cylinder 402 retracts from its out position to its original position. The entire action is to ensure that the large and small material pieces are positioned and do not move on the laying head mold 601, and that the pressing and bonding quality is stable. Specifically, it prevents the large material piece 9 from shifting in any direction due to slight differences in the timing of the actions of the six large material piece holding devices 3 during the laying process, which can lead to problems such as excessive pneumatic components and excessive air consumption. This can cause misalignment of the large material piece 9, resulting in the six material petals of a large material piece 9 being of different lengths on the laying head mold 601. This would cause some areas to have too much material and some areas to have too little material after the helmet is pressed, affecting the quality of the bulletproof helmet. The electric heating pressing and bonding is to ensure that each layer of material piece is stacked and bonded together to the maximum extent at the top of the laying head mold 601 in the center of the material piece, while also completing the pressing and bonding work in the center of the material piece.

[0050] As attached Figure 20 , 21,22, the large piece heating and soft pressing device 5 comprises a soft pressing reciprocating driving assembly, a soft pressing assembly and a guiding assembly; the soft pressing reciprocating driving assembly comprises a U-shaped mounting bracket 502 fixedly installed between the upper disconnected sections 112 of the soft pressing vertical column 102, a soft pressing reciprocating cylinder 501 fixedly installed on the U-shaped mounting bracket 502 and a cylinder fixing disc 503 fixedly installed at the end of the piston rod of the soft pressing reciprocating cylinder 501; the U-shaped mounting bracket 502 connects the upper and lower disconnected soft pressing vertical columns 102 into a whole, and the piston rod gap of the soft pressing reciprocating cylinder 501 penetrates through the end plate of the U-shaped mounting bracket 502; the soft pressing assembly comprises a soft pressing base 504, a soft pressing rubber capsule inner pressing plate 505, a soft pressing rubber capsule 506 and an M-shaped heating belt 507; the soft pressing rubber capsule inner pressing plate 505 is concave on the corresponding side of the sheet laying head die, and the curvature of the inner concave part matches the curvature of the outer convex part of the sheet laying head die; the middle part of the outer curved surface of the soft pressing base 504 is fixed on the corresponding side of the cylinder fixing disc 503, the soft pressing rubber capsule 506 is sleeved with the soft pressing rubber capsule inner pressing plate 505, the soft pressing rubber capsule 506 is connected with the inner curved surface of the soft pressing base 504 around by screws and is tightly sealed without leakage, a liquid filling adjusting valve 508 is arranged on the upper part of the soft pressing base 504 to adjust the amount of liquid water filled in the soft pressing rubber capsule 506, one end of the liquid filling adjusting valve 508 penetrates through the soft pressing base 504 and is arranged in the soft pressing rubber capsule 506, so that the inner curved surface of the soft pressing rubber capsule 506 matches the corresponding area of the sheet laying head die 601, the M-shaped heating belt 507 is arranged on the inner curved surface of the soft pressing rubber capsule 506, a thin insulating cloth with slight adhesion is used to bond and cover the M-shaped heating belt 507 and the inner curved surface of the soft pressing rubber capsule 506, and the M-shaped heating belt 507 is bonded on the inner side of the thin insulating cloth; the M-shaped heating belt 507 is prevented from scalding the large piece 9 due to instantaneous high temperature when the 48-volt direct current is turned on for 1-3 seconds, and the soft pressing time of the large piece 9 is preferably 3-5 seconds, the area of the soft pressing rubber capsule 506 is slightly larger than the area of each piece of the large piece 9, the four edges are slightly increased by 2-4 mm, six soft pressing rubber capsules correspond to 1-6 areas of the sheet laying head die, and the curvatures of the inner curved surfaces thereof are different, and the soft pressing rubber capsules should be processed according to the six areas after the sheet die is divided into six areas during manufacturing; the guiding assembly comprises a linear bearing B 509 installed in the through hole on one side of the end plate of the U-shaped mounting bracket 502 and a guiding rod 510 fixed on one side of the cylinder fixing disc 503, and the other end of the guiding rod 510 penetrates through the end plate of the U-shaped mounting bracket 502 and the linear bearing B 509; the model of the soft pressing reciprocating cylinder 501 is SI40x300; and the model of the linear bearing B 509 is LBBR12.

[0051] As shown in the accompanying drawings Figure 10 , 20, 21, 22, 6 large pieces of tobacco sheet clamping and holding device 3 will be six large pieces of tobacco sheet 9 clamping and holding, through hot air softened sheet fully deformed without wrinkles in the region first A, C, E down to the right after holding, followed by B, D, F then down to the right and keep, sheet work is completed, at this time the large sheet heating and soft pressure device 5 work begins, soft pressure reciprocating cylinder 501 piston rod from the original site forward will be soft pressure rubber capsule 506 region first A, C, E after B, D, F pressure on the sheet head die 601 on the large sheet, immediately power 1-3 seconds, soft pressure rubber capsule 506 before the inner arc surface of the heating tape 507 heating, melting the lower layer of the large sheet 9 glue layer and with the previous layer adhesion and compaction, after power off cooling 3-5 seconds, then soft pressure reciprocating cylinder 501 from the front to the original site retraction, large sheet heating and soft pressure device 5 work is completed, so in addition to the center area of the large sheet 9 the rest of the sheet work is completed, by filling regulating valve 508 control the amount of water injected into the soft pressure rubber capsule 508 can adjust the soft pressure rubber capsule 506 facing the sheet head die 601 inner arc surface of the pressure contact area and pressure, such as overfill, soft pressure when the soft pressure rubber capsule 506 four edge part will be significantly convex, easy to damage the soft pressure rubber capsule 506, overfill, soft pressure when the soft pressure rubber capsule 506 inner arc surface and sheet head die 601 contact area will be smaller, the pressure will also be reduced.

[0052] The following actual operation is briefly described the installation of the bulletproof helmet full-automatic convex die sheet laying machine working process (with a helmet sheet as an example):

[0053] As attached Figures 1-22As shown, before using the bulletproof helmet full-automatic convex die sheet laminator, first connect the power supply and gas source, check whether each execution element cylinder is in the correct position, after the lifting pressure cylinder 412 piston rod end connected to the lower pressure disc 413 in the middle of the large piece of material and holding device 4 set heating rod 414 temperature to 60 ℃ ~ 70 ℃, while the hot air blower 801 also connected to the power supply and start working. When the large piece of material blowing nozzle 810 and L-shaped small piece of material hot air nozzle 812 outlet temperature reaches 60 ℃ ~ 70 ℃, during the feeding switch, connect the gas source, two material receiving disc lifting cylinder 218 will be material receiving disc 212, will be large and small piece of material clean, according to the positioning and piece of material glue layer downward sequence in the material receiving disc 212 on the large piece of material, small piece of material platform 107 on the small piece of material, put in place again according to the feeding complete switch, material receiving disc lifting cylinder 218 down will be material receiving disc 212 on the electronic scale 213, PLC will automatically take value, press the start switch, large piece of material reciprocating cylinder 201 from the original position, two material receiving disc lifting cylinder 218 synchronous will be material receiving disc 212 to the original position, taking material lifting cylinder 207 from the original position, will be 6 large piece of material vacuum suction cup 211 pressure to the 6 piece of material 9, connect the vacuum suction piece of material, then taking material lifting cylinder 207 rises to the original position, material receiving disc lifting cylinder 218 down to the original position, will be material receiving disc 212 and the large piece of material 9 on the electronic scale 213, weighing, taking value, after the program is determined if not only take a piece, taking material lifting cylinder 207 from the original position, will be taken away large piece of material back to the material receiving disc 202, cut off and destroy the vacuum, taking material lifting cylinder 207 rises to the original position, re-take material, if only take a piece, then the large piece of material reciprocating cylinder 201 from the original position to the out of position, will be large piece of material 9 sent to the laminating head die 601 directly above; while connecting the power supply, the auxiliary laminating cylinder 308 retracts to the original position, laminating lifting cylinder 301 from the original position rises to the highest point, the lower right rotary clamping cylinder 310 and the lower left rotary clamping cylinder 318 piston rod from the original position rises to the highest point, drive the right upper tooth-shaped pressure plate 312 and the left upper tooth-shaped pressure plate 320 each rotate 90° outward, expose the right lower tooth-shaped plate 311 and the left lower tooth-shaped plate 319 (this preparation action is performed after connecting the power supply) ;The material taking lifting cylinder 207 lowers to send the large sheet 9 to the twelve lower tooth-shaped plates distributed in concentric circles, and covers the tooth-shaped part (the twelve lower tooth-shaped plates and the top of the sheet laying head die 601 are flush and in the same plane), and then the twelve upper tooth-shaped pressing plates each rotate 90° from the outside to the inside to return to the original position, the six lower right rotary clamping cylinders and the six lower left rotary clamping cylinders retract to tightly clamp the large sheet covered on the lower tooth-shaped plate, then the material taking suction cup cuts off and breaks the vacuum, the material taking lifting cylinder 207 rises to return to the original position, the large sheet reciprocating cylinder 201 retracts to the original position to perform the material taking work of the next large sheet, (the vacuum of the vacuum suction cup A 602 provided on the sheet laying head die 601 is maintained until the second large sheet is laid), the material taking is completed and maintained; The pressing and adhering reciprocating cylinder 402 of the large sheet middle pressing and adhering and maintaining device 4 extends from the original position to send the lower pressing disc 413 etc. to the upper side of the sheet laying head die 601, the lifting pressing cylinder 412 lowers from the original position to press the lower pressing disc 413 with a certain temperature through the heat-resistant silica gel disc 416 to press and maintain the middle part of the large sheet 9 to the middle part of the sheet laying head die 601, the counter-thrust cylinder 408 simultaneously rises from the original position to the lower surface of the slide rail B 404, so that the lifting pressing cylinder 412 is pressed on the sheet laying head die 601 by the reaction force, and the action force of the counter-thrust cylinder 408 is balanced to prevent the Z-shaped connecting plate 401 from deforming, and to ensure that there is enough pressure to press the middle part of the large sheet 9 of the sheet laying head die 601; The six air valves A 807 are opened, hot air is blown to heat the large sheet, after blowing hot air for 3-5 seconds, the A, C, E large sheet petals are laid according to the PLC program preset, the sheet laying lifting cylinder 301 retracts, the softened A, C, E petals are pulled down, and at the same time the auxiliary sheet laying cylinder 308 slowly extends from the original position, to form a curved motion trajectory together to tightly adhere the petals to the surface of the sheet laying head die 601, and then pulled down to the position and maintained, at this time the small vacuum suction cup A 602 provided on the A, C, E area of the sheet laying head die 601 is started to tightly suck the A, C, E petals laid in place, the corresponding large sheet hot air nozzle 810 stops blowing hot air, then the B, D, F large sheet laying lifting cylinder retracts, the softened B, D, F petals are pulled down, and at the same time the auxiliary sheet laying cylinder slowly extends from the original position, to form a curved motion trajectory together to tightly adhere the petals to the surface of the sheet laying head die 601, and then pulled down to the position and maintained, the small vacuum suction cup A 602 provided on the B, D, F area of the sheet laying head die 601 is started to tightly suck the B, D, F petals laid in place, at this time the corresponding large sheet hot air nozzle 810 stops blowing hot air;Then the six soft-pressing reciprocating cylinders 501 in the soft-pressing device 5 are heated, and the A, C, E number of material pieces corresponding to the soft-pressing rubber capsules 506 are pressed to the material pieces A, C, E number of areas which have been completed on the paving head die 601, and are pressed to keep, the heating belt 507 on the inner arc surface of the soft-pressing rubber capsule 506 is powered for 1-3 seconds and then cooled for 3-5 seconds, then the soft-pressing reciprocating cylinders 501 are retracted to the original position, and then the B, D, F number of material pieces corresponding to the soft-pressing reciprocating cylinders are pressed to the corresponding B, D, F number of areas and kept, powered for 1-3 seconds and then cooled for 3-5 seconds, then the soft-pressing reciprocating cylinders 501 are retracted to the original position, and the soft-pressing work of the large material piece 9 is completed; then all the upper tooth-shaped pressing plates arranged at the top of the paving lifting cylinder 301 are lifted and rotated outward to loosen the material piece which has been clamped, and the auxiliary paving cylinder 308 is retracted to the original position, the paving lifting cylinder 301 is pulled back to the original vertical position, the upper tooth-shaped pressing plate is rotated inward and pressed on the lower tooth-shaped plate, and the next large material piece clamping and paving work is prepared to be performed; at this time, if the large material piece paving work is performed, the paving head die 601 is rotated according to the set rotation rules 0°, left 30°, left 60°, 0°, right 30°, right 60°, 0°, left 30°, left 60°, 0°, right 30°, right 60°, 0°, left 30°, left 60°, that is, each large material piece 9 corresponds to a rotation angle, and then the above-mentioned actions are repeated, if the next paving is a small material piece, the paving head die 601 does not rotate, that is, the rotation angle corresponding to all the small material pieces is 0°.

[0054] When laying the small piece 10, the small piece lifting cylinders A 702 and B 703 in the small piece taking and laying press device 7 extend and descend in situ to the middle position to press the bowl-shaped metal cover 716 to the small piece 10 on the platform 107 table, stop and hold, then the vacuum taking cylinder 704 descends in situ to press the three vacuum suction cups B 715 to the small piece 10, turn on the vacuum suction small piece 10 and hold, then the vacuum taking cylinder 704 ascends to the original position, the small piece lifting cylinders A 702 and B 703 ascend from the middle position to the original position, the taking feeding reciprocating cylinder 701 extends in situ to send the small piece 10 in the bowl-shaped rubber air bag 717 inner top to the laying head die 601 directly above, stop and hold, the adjusting cylinders A 815 and B 817 in the small and large piece hot air blowing heating device 8 push the L-shaped small piece hot air nozzle 812 outlet to be directly below the small piece in the bowl-shaped rubber air bag 717 inner top, open the air valve B 814, blow hot air at a temperature of 60-70 DEG C for 3-5 seconds, then the adjusting cylinders A 815 and B 817 retract to pull the L-shaped small piece blowing pipe 812 back to the original position and hold, the small piece lifting cylinders A 702 and B 703 descend to the middle position and hold, the vacuum taking lifting cylinder 704 descends in situ to lay the softened small piece 10 to the center position of the laying head die 601, the vacuum of the taking vacuum suction cup B 715 is cut off and destroyed, the vacuum taking lifting cylinder 704 ascends to the original position, the small piece lifting cylinders A 702 and B 703 continue to descend from the middle position, the inner surface of the bowl-shaped rubber air bag 717 presses the small piece 10, the bowl-shaped rubber air bag 717 is inflated by the inflation nozzle 718 to inflate compressed air with a pressure of 4-6 kg / cm 2 , and the small piece 10 is tightly pressed on the top of the laying head die 601, and the small piece 10 is laid on the laying head die 601 without wrinkles by electrifying for 1-2 seconds and cooling for 3-5 seconds, the bowl-shaped rubber air bag 717 is deflated, the small piece lifting cylinders A 702 and B 703 ascend to the original position, the taking feeding reciprocating cylinder 701 retracts to the original position, and the next small piece laying is prepared. Taking a helmet 20 piece (15 large pieces and 5 small pieces) as an example, different PLC special programs are compiled according to the laying sequence of the large and small pieces of each production unit, and then the laying is carried out according to the above description, so that the laying of the bulletproof helmet is completed.

[0055] The full-automatic laying device is adopted, the small pieces are effectively bonded, the small pieces are prevented from being deformed, the laying is uniform, the bulletproof helmet after forming has an attractive appearance and high product quality, the laying saves time and labor, the working efficiency is greatly improved, and the device is suitable for popularization and application in equipment and equipment enterprises.

Claims

1. A heating device for laying out small pieces of bulletproof helmet material, characterized in that, It includes a frame (1), a sheet-laying head mold vacuum suction and uniform sheet-laying rotation device (6) installed in the middle of the frame (1), a small sheet feeding and sheet-laying pressing device (7) installed on the upper right side of the frame (1), and a large and small sheet hot air heating device (8) installed in the bottom and middle layers of the middle of the frame (1).

2. The heating device for laying out small pieces of bulletproof helmet material according to claim 1, characterized in that, The sheeting head mold vacuum suction sheet and uniform sheeting rotation device (6) includes a sheeting head mold (601), a vacuum suction sheet assembly disposed on the sheeting head mold (601), and a uniform sheeting rotation assembly installed at the bottom of the sheeting head mold (601); the sheeting head mold (601) is a metal shell that matches the shape of a helmet, and its inner cavity is hollow; The vacuum suction sheet assembly includes suction areas that match the shape of six material petals on the outer wall of the sheeting head mold (601), three suction cup step mounting holes (620) on each suction area, and vacuum suction cups A (602) embedded in each suction cup step mounting hole (620); the suction areas include areas a, b, c, d, e, and f, and the three vacuum suction cups A (602) in each suction area are arranged in a triangular pattern; A base plate (603) is fixedly installed on the bottom surface of the slab laying head mold (601). A column tube (604) is installed on the bottom surface of the base plate (603). The column tube (604) communicates with the inner cavity of the slab laying head mold (601) through the vent hole in the middle of the base plate (603). Through holes C (605) for vacuum pipelines to enter the inner cavity of the slab laying head mold (601) are provided on both sides of the base plate (603). A stepped shaft (606) is fixedly installed at the bottom end of the column tube (604), and a pressure ball bearing (610) is installed on the upper shaft section (607) of the stepped shaft (606); a pressure ball bearing mounting seat (611) and a bearing mounting seat (612) are installed on the top and bottom surfaces of the middle part of the worktable (103), respectively. The pressure ball bearing (610) is set inside the pressure ball bearing mounting seat (611), and the stepped shaft (606) passes through the middle hole (613) and the bearing mounting seat (612) of the worktable (103). A bearing B (614) is installed on the lower shaft section (608) of the stepped shaft (606); the worktable (103) is set in the middle of the frame (1).

3. The heating device for laying out small pieces of bulletproof helmet material according to claim 2, characterized in that, The uniformly laid sheet rotating assembly includes a synchronous pulley A (615), a synchronous pulley B (616), a synchronous belt (617), and a stepper motor (618). Synchronous pulley A (615) is mounted on the shaft head (609) of the stepped shaft (606). A motor mounting bracket (619) with a side opening is fixedly mounted on one side of the bottom surface of the worktable (103). The stepper motor (618) is vertically fixedly mounted on the base plate of the motor mounting bracket (619) and its transmission shaft passes through the base plate. Synchronous pulley B (616) is mounted on the transmission shaft of the stepper motor (618). Synchronous pulley B (616) is located inside the motor mounting bracket (619). The synchronous belt (617) is mounted on synchronous pulley A (615) and synchronous pulley B (616).

4. The heating device for laying out small pieces of bulletproof helmet material according to claim 3, characterized in that, The vacuum chuck A (602) is model number Dingling PA-10; the pressure bead plate (610) is model number F3-8M51110; the bearing B (614) is model number F6208-2Z; and the stepper motor (618) is model number STM57100.

5. The heating device for laying out small pieces of bulletproof helmet material according to claim 1, characterized in that, The small material feeding and pressing device (7) includes a feeding reciprocating lifting assembly and a pressing assembly; a slider C (707) is slidably installed on the right side of the slide rail A (202); the slide rail A (202) is fixedly installed on the bottom surface of the middle part of the load-bearing main beam (101); The load-bearing main beam (101) is installed laterally on the upper layer of the frame (1); The material feeding reciprocating lifting assembly includes a horizontally arranged material feeding reciprocating cylinder (701), a vertically arranged small material lifting cylinder A (702), a vertically arranged small material lifting cylinder B (703), and a vertically arranged vacuum material feeding lifting cylinder (704). The cylinder body end of the feeding reciprocating cylinder (701) is hinged to the cylinder mounting U-shaped seat (706) installed on the bottom surface of the right end of the load-bearing main beam (101) through the cylinder mounting lug (705). A door frame (708) is fixedly installed on the bottom surface of the slider C (707). The piston rod end of the feeding reciprocating cylinder (701) is fixedly installed on the bottom surface of the top plate of the door frame (708) through the right angle connecting plate (713). A support plate (709) is fixedly installed at the bottom end of the door frame (708). Cylinder rod through holes (710) are set at both ends of the support plate (709) on the outside of the door frame (708). The small material lifting cylinder A (702) and the small material lifting cylinder are connected to the door frame (708). The cylinder body of the lowering cylinder B (703) is fixedly installed on the top surfaces of both ends of the support plate (709). The piston rods of the small material lifting cylinder A (702) and the small material lifting cylinder B (703) pass through the cylinder rod through hole (710) and are fixed to both sides of the connecting plate (711). The vacuum material lifting cylinder (704) is fixed to the middle of the connecting plate (711) by the mounting corner piece (712). The front end of the piston rod of the vacuum material lifting cylinder (704) passes through the through hole in the middle of the connecting plate (711) and is connected to the sheet pressing assembly. The upper cylinder body of the vacuum material lifting cylinder (704) passes through the square hole in the middle of the support plate (709).

6. The heating device for laying out small pieces of bulletproof helmet material according to claim 5, characterized in that, The sheet pressing assembly includes a vacuum suction cup mounting disc (714) fixedly installed at the end of the piston rod of the vacuum material lifting cylinder (704), three material picking vacuum suction cups B (715) evenly distributed and fixedly installed on the vacuum suction cup mounting disc (714) with the center of the vacuum suction cup mounting disc (714) as the axis, a bowl-shaped metal cover (716) fixedly installed at the bottom of the connecting plate (711), and a bowl-shaped rubber airbag (717) set in the inner cavity of the bowl-shaped metal cover (716). The side wall interlayer of the bowl-shaped rubber airbag (717) is inflated and sealed. An inflation nozzle (718) is installed on the side wall of the bowl-shaped rubber airbag (717). The inflation nozzle (718) passes through the through hole D (719) on the bowl-shaped metal cover (716). An annular heating belt (720) is set in the upper part of the inner cavity of the bowl-shaped rubber airbag (717). Both the bowl-shaped metal outer cover (716) and the bowl-shaped rubber airbag (717) are provided with a disk through hole at the top, with an inner diameter larger than the outer diameter of the vacuum suction cup mounting disk (714). The vacuum suction cup mounting disk (714) is installed inside the bowl-shaped rubber airbag (717) through the disk through hole.

7. The heating device for laying out small pieces of bulletproof helmet material according to claim 6, characterized in that, The model of the feeding and reciprocating cylinder (701) is SE40×1000S; The small material lifting cylinder A (702) and the small material lifting cylinder B (703) are both SE50×350S. The vacuum material handling lifting cylinder (704) is model TN20×200S; The vacuum suction cup B (715) is model number Dingling PA-20.

8. The heating device for laying out small pieces of bulletproof helmet material according to claim 2, characterized in that, The large and small material sheet hot air heating device (8) includes a hot air blower (801), a hot air main pipe (805) installed on the air outlet of the hot air blower (801), a large material sheet hot air blowing assembly and a small material sheet hot air blowing assembly installed on the air outlet of the hot air main pipe (805); The large sheet hot air blowing assembly includes a large sheet hot air distributor (806) installed on the outlet of the hot air main pipe (805), an air valve A (807) installed at the branch outlet of the large sheet hot air distributor (806), a heat-resistant hose (808) installed at the outlet of the air valve A (807), and a flat conical large sheet hot air nozzle (810) installed at the outlet of the heat-resistant hose (808); the heat-resistant hose (808) passes through an elongated hole (104); there are 6 elongated holes (104), which are spaced apart along the circumference of the workbench (103); the large sheet hot air nozzle (810) is fixed to two screw holes in the middle of the irregular connecting plate facing the sheet-laying head mold by bolts on the clamp (809); the hot air distributor (806) is conical, with 6 branch outlets evenly spaced at the top; The small material sheet hot air blowing assembly includes a bypass pipe (816) installed on the hot air main pipe (805), an air valve B (814) installed on the bypass pipe (816), an L-shaped small material sheet hot air nozzle (812) installed at the air outlet of the bypass pipe (816), and a nozzle telescopic assembly. The top of the bypass pipe (816) is inclined downwards to form a straight pipe, and the inlet end of the L-shaped small material hot air nozzle (812) is fitted into the outlet end of the straight pipe.

9. A heating device for laying small bulletproof helmet sheet according to claim 8, characterized in that, The air nozzle telescopic assembly includes an adjusting cylinder A (815) and an adjusting cylinder B (817) installed on both sides of the straight pipe; the cylinder bodies of the adjusting cylinder A (815) and the adjusting cylinder B (817) are installed on the outside of the straight pipe through a fixed seat (813), and the piston rods of the adjusting cylinder A (815) and the adjusting cylinder B (817) are respectively installed on both sides of the L-shaped small material hot air nozzle (812) through the air pipe connecting angle plate; The piston rods of regulating cylinder A (815) and regulating cylinder B (817) extend and retract, driving the L-shaped small material hot air nozzle (812) to be sent out and retracted from the straight pipe outlet end; A hot air circulation pipe (803) is installed between the air inlet (802) and the air outlet of the hot air blower (801), and an air valve C (804) is installed on the hot air circulation pipe (803).

10. A heating device for laying out small pieces of bulletproof helmet material according to claim 9, characterized in that, The regulating cylinder A (815) and regulating cylinder B (817) are both model MAL20×300CA; the hot air blower (801) is model SHL3 / ZYD-030B.

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