Heating and soft pressing device for bulletproof helmet large material sheet

Abstract

The utility model relates to a bulletproof helmet large material sheet heating soft pressing device which comprises a soft pressing reciprocating driving assembly, a soft pressing assembly and a guiding assembly, wherein the soft pressing assembly and the guiding assembly are installed on the soft pressing reciprocating driving assembly. According to the utility model, each large material sheet which is subjected to deformation and pulling in place to finish sheet laying is fully bonded with the material sheet of the previous layer and the overlapped part of the material sheet of the current layer, so that the other material sheets except the central area of the large material sheet are laid; the amount of water injected into the soft pressing rubber bag is controlled through the liquid filling adjusting valve, the pressing contact area and the pressure of the soft pressing rubber bag to the inner arc face of the head die can be adjusted, the guide mechanism can guarantee the height consistency of the soft pressing position every time, and deflection is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to a big piece of bulletproof helmet heating soft pressure device belongs to the bulletproof product production and processing technical field of equipment and tool class. BACKGROUND

[0002] At present, the production of bulletproof helmet is composed of n big pieces (namely whole cutting piece) and m small pieces (elliptical cutting piece added to strengthen the strength of the top of the helmet) on the laying head mould; the big and small pieces are all dipped aramid cloth according to size after cutting, and each big piece is uniformly provided with six cutting seams, namely divided into (A, B, C, D, E, F) 6 piece petals, and the whole is in the shape of fan blade, and in the production process, usually a plurality of big pieces are laid on the laying head mould, and in order to make up the thickness difference accumulated at the top and the lower part of the helmet, one small piece needs to be laid on the top of the helmet, and the big and small pieces are laid back and forth until completed, and it is necessary to pay attention to the fact that the last two layers must be big pieces, so as to prevent the small piece from being imprinted on the inner and outer surfaces of the helmet.

[0003] In the traditional production process of bulletproof helmet, the laying process has always been manually operated, generally one hand of the operator pulls the piece, the other hand uses a hot air gun to heat the piece, and then one petal after another is laid, and the fingers are easily scalded or the piece is easily damaged during work, the operation method of each operator is different, and the helmets laid are various, some of which are too loose between layers, some of which are not heated for a long time, the pieces are not effectively bonded, some of which are heated for a long time, the glue layer is invalid, some of which are pulled too much, the big piece is deformed, the local thickness is too thick, the local material is insufficient, the piece is damaged when pressed, the local material is insufficient, wrinkles are generated, the bulletproof performance and appearance quality of the helmet are greatly reduced, and many defective products are generated, due to the material of the bulletproof helmet, the defective products cannot be repaired and repaired, and can only be scrapped, causing great loss and waste. CONTENT OF THE UTILITY MODEL

[0004] The utility model solves the technical problem of providing a big piece of bulletproof helmet big piece heating soft pressure device.

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

[0006] The utility model discloses a soft pressure back and forth drive assembly, a soft pressure assembly and a guide assembly are installed on the soft pressure back and forth drive assembly, the soft pressure assembly comprises a soft pressure base, a soft pressure rubber capsule inner pressing plate, a soft pressure rubber capsule and an M-shaped heating belt, the soft pressure base is installed on the soft pressure back and forth drive assembly, the soft pressure rubber capsule is sleeved with the soft pressure rubber capsule inner pressing plate, the soft pressure rubber capsule inner pressing plate is concave on the corresponding side of the laying head mould, and the concave curvature is matched with the convex curvature of the laying head mould.

[0007] The utility model discloses a soft pressure back-and-forth drive assembly, which comprises a U-shaped mounting frame fixedly installed between the upper disconnected sections of the soft pressure stand column of the rack, a soft pressure back-and-forth air cylinder fixedly installed on the U-shaped mounting frame and an air cylinder fixing disc fixedly installed at the end of the piston rod of the soft pressure back-and-forth air cylinder.

[0008] The utility model discloses setting the liquid filling adjusting valve of adjusting the liquid quantity filled in the soft pressure rubber capsule on the upper part of the soft pressure base, and the M-shaped heating belt and the inner arc surface of the soft pressure rubber capsule are covered and bonded with the adhesive thin insulating cloth on the inner side of the soft pressure rubber capsule.

[0009] The utility model discloses a guide assembly, which comprises a linear bearing B installed in the through hole on one side of the end plate of the U-shaped mounting frame and a guide rod fixed at one end on one side of the air cylinder fixing disc.

[0010] The model of the soft pressure back-and-forth air cylinder is SI40x300.

[0011] The model of the linear bearing B is LBBR12.

[0012] The utility model discloses the following active effects: the heating belt set on the inner arc surface in front of the soft pressure rubber capsule of the rack generates heat, melts the glue layer of the lower layer of the large piece, and heats and compacts in the order of A, C and E first and B, D and F later in different areas, so that the large piece is fully bonded to the previous layer and the current layer after being deformed and pulled into place, and the remaining pieces outside the central area of the large piece are completed.

[0013] The guide mechanism can ensure the consistency of the height of the heating and soft pressure position each time and prevent deflection. BRIEF DESCRIPTION OF DRAWINGS

[0014] BRIEF DESCRIPTION OF DRAWINGS Figure 1 It is the structure schematic drawing of the utility model;

[0015] BRIEF DESCRIPTION OF DRAWINGS Figure 2 It is the part assembly structure schematic drawing of the utility model;

[0016] BRIEF DESCRIPTION OF DRAWINGS Figure 3 It is the overhead structure schematic drawing of the piece laying head mold;

[0017] BRIEF DESCRIPTION OF DRAWINGSFigure 4 is a schematic view of a large sheet structure;

[0018] attached Figure 5 is a schematic view of a structure mounted on a rack of the utility model.

[0019] In the drawings: 102 flexible pressing column, 112 disconnected section, 501 flexible pressing reciprocating cylinder, 502 U-shaped mounting bracket, 503 cylinder fixing disc, 504 flexible pressing base, 505 flexible pressing rubber capsule inner pressure plate, 506 flexible pressing rubber capsule, 507 M-shaped heating belt, 508 liquid filling adjusting valve, 509 linear bearing B, 510 guide rod, 2 large sheet. DETAILED DESCRIPTION

[0020] As shown in attached Figure 1 , 2 , the utility model bulletproof helmet large sheet heating flexible pressing device includes flexible pressing reciprocating drive assembly, flexible pressing assembly and guide assembly; the flexible pressing reciprocating drive assembly includes the U-shaped mounting bracket 502 fixedly installed between the disconnected section 112 of the rack flexible pressing column 102 upper portion, the flexible pressing reciprocating cylinder 501 fixedly installed on the U-shaped mounting bracket 502 and the cylinder fixing disc 503 fixedly installed on the piston rod end of the flexible pressing reciprocating cylinder 501;Flexible pressing reciprocating cylinder 501 sets disconnected section 112 between is to make flexible pressing reciprocating cylinder 501 stable and reliable;The piston rod gap of the flexible pressing reciprocating cylinder 501 passes through the end plate of the U-shaped mounting bracket 502, and the model of the flexible pressing reciprocating cylinder 501 is SI40×300.

[0021] As shown in attached Figure 1 , 2, 3, 5, the utility model discloses a soft pressure subassembly, including soft pressure base 504, soft pressure rubber capsule inner pressure plate 505, soft pressure rubber capsule 506 and M-shaped heating band 507, the outer arc surface middle part of soft pressure base 504 is fixed with the corresponding side of cylinder fixed disc 503, the soft pressure rubber capsule 506 is equipped with the soft pressure rubber capsule inner pressure plate 505, and soft pressure rubber capsule 506 is connected with the inner arc surface four around of soft pressure base 504 with screw and is pressed tightly sealed no leakage, the soft pressure rubber capsule inner pressure plate 505 and soft pressure rubber capsule 506 and the corresponding side of sheet laying head mould are concave, and the concave radian is matched with the radian of sheet laying head mould convex.In the upper portion of soft pressure base 504, set up the liquid filling adjusting valve 508 of adjusting soft pressure rubber capsule 506 filling liquid amount, i.e. the liquid filling adjusting valve 508 one end passes through soft pressure base 504 and is set up in soft pressure rubber capsule 506, makes the inner arc surface of soft pressure rubber capsule 506 and the corresponding area of sheet laying head mould 601 kiss, the M-shaped heating band 507 is set up in the inner arc surface of soft pressure rubber capsule 506, and the inner side of slightly greater than soft pressure rubber capsule 506 with adhesive thin insulating cloth is adhered to cover M-shaped heating band 507 and the inner arc surface of soft pressure rubber capsule 506, the M-shaped heating band 507 is adhered in the inner side of thin insulating cloth, avoid when 1-3 seconds 48 volts direct current heating is connected, M-shaped heating band 507 instantaneous high temperature will scald large sheet 2, and the soft pressure of large sheet 2 time is 3-5 seconds, and the area of soft pressure rubber capsule 506 is slightly greater than the area of each piece of large sheet 2, and four edges are slightly increased 2-4mm, the guiding component includes the linear bearing B 509 of installing in the through-hole of U-shaped mounting bracket 502 end plate one side and the guiding rod 510 with one end fixed on one side of cylinder fixed disc 503, the other end clearance of guiding rod 510 passes through U-shaped mounting bracket 502 end plate and linear bearing B 09, the model of linear bearing B 509 is LBBR12.

[0022] As attached Figures 1-5As shown, each large sheet is divided into A, B, C, D, E, F, i.e. 6 petals, and 6 large sheet heating and soft pressing devices of the utility model are required to be installed on the rack and distributed in concentric circles towards the head mold, each petal edge corresponds to one utility model, and the 6 soft pressing rubber capsules correspond to the 1-6 areas of the head mold, the radii of the inner arc surfaces are different, and the manufacturing should be processed according to the number of the sheet laying mold and divided into 6 areas; after the previous sheet laying work is completed, the piston rod of the soft pressing reciprocating cylinder 501 of the utility model is extended from the original position to press the soft pressing rubber capsule 506 in the areas A, C, E first and then B, D, F on the large sheet laid on the head mold, and then power on for 1-3 seconds, the heating belt 507 arranged on the front inner arc surface of the soft pressing rubber capsule 506 generates heat, melts the glue layer of the lower layer of the large sheet 2 and adheres and compacts with the front layer, cools down for 3-5 seconds after power off, and then the soft pressing reciprocating cylinder 501 is retracted from the front position to the original position, the heating and soft pressing are completed, the amount of water injected into the soft pressing rubber capsule 506 can be adjusted through the liquid filling adjusting valve 508 to adjust the pressure and pressure area of the inner arc surface of the soft pressing rubber capsule 506 facing the sheet laying head mold, if the water injection is too full, the four edges of the soft pressing rubber capsule 506 will be obviously convex, which is easy to damage the soft pressing rubber capsule 506, if the water injection is too little, the contact area of the inner arc surface of the soft pressing rubber capsule 506 with the head mold will be smaller, and the pressure will also be reduced; the guide mechanism can ensure the consistency of the height of the heating and soft pressing position each time, and prevent deflection.

[0023] Finally, it should be pointed out that the above description is only the preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement or improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A heating and pressing device for a large sheet of bulletproof helmet, characterized in that, It comprises a soft-pressing back-and-forth driving assembly, a soft-pressing assembly installed on the soft-pressing back-and-forth driving assembly, and a guiding assembly. 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 base (504) is installed on the soft-pressing back-and-forth driving assembly, the soft-pressing rubber capsule (506) is sleeved with the soft-pressing rubber capsule inner pressing plate (505), the soft-pressing rubber capsule inner pressing plate (505) is concave on the corresponding side of the soft-pressing head mold, and the concave curvature matches the convex curvature of the soft-pressing head mold; and the soft-pressing rubber capsule (506) is fixedly sealed around the inner curved surface of the soft-pressing base (504).

2. The device according to claim 1, wherein, The soft-pressing back-and-forth driving assembly comprises a U-shaped mounting bracket (502) fixedly installed between the upper disconnection sections (112) of the soft-pressing column (102) of the rack, a soft-pressing back-and-forth air cylinder (501) fixedly installed on the U-shaped mounting bracket (502), and a cylinder fixing disc (503) fixedly installed on the end of the piston rod of the soft-pressing back-and-forth air cylinder (501); and the gap of the piston rod of the soft-pressing back-and-forth air cylinder (501) penetrates through the end plate of the U-shaped mounting bracket (502). The corresponding side of the cylinder fixing disc (503) is fixedly connected to the middle part of the outer curved surface of the soft-pressing base (504).

3. The device according to claim 2, wherein the device is characterized by, A liquid filling adjusting valve (508) is arranged on the upper part of the soft-pressing base (504) to adjust the liquid filling amount of the soft-pressing rubber capsule (506); a thin insulating cloth with adhesive on the inner side is used to 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 adhered to the inner side of the thin insulating cloth.

4. The device according to claim 2, wherein, 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) with one end fixedly connected to 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).

5. The device according to claim 2, wherein the device is characterized by: The model of the soft-pressing back-and-forth air cylinder (501) is SI40×300.

6. The device according to claim 4, wherein the device is characterized by: The model of the linear bearing B (509) is LBBR12.

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