One-piece molded helmet liner and its molding equipment

Abstract

This utility model discloses an integrated helmet liner and its molding equipment, relating to the field of helmet manufacturing and molding. It includes a plate, with legs fixedly connected to both sides of the lower end of the plate and connecting frames fixedly connected to both sides of the upper end. An upper plate is fixedly connected to the upper end of the connecting frames, and electric push rods are fixedly connected to both sides of the upper end of the upper plate. A pressure plate is slidably inserted into the outer surface of the connecting frames. This utility model, employing the above structure, allows for simultaneous operation of the dual structures, doubling the production capacity per unit time. It can quickly respond to bulk order demands, significantly shortening the delivery cycle. The electric push rod drive ensures stable lifting and lowering of the pressure plate and mold closing accuracy, improving the consistency of helmet molding quality. The upper and lower molds are fixed by mounting bases, allowing for simultaneous replacement of two sets of molds for different helmet models. This balances large-scale and diversified production, reducing labor costs and improving operational safety.

Description

Technical Field

[0001] This utility model belongs to the field of helmet manufacturing and molding, and specifically relates to one-piece molded helmet liner and its molding equipment. Background Technology

[0002] Molded helmet liners often use materials such as EPP and sponge. EPP liners, with their excellent cushioning performance, lightweight design, and environmental friendliness, have become the preferred choice for high-end helmets. Molding equipment includes high-frequency heat sealing machines and hydraulic hot presses. For example, Dongguan Shenghao Machinery's 60T hydraulic hot press can achieve precise hot pressing and edge trimming of sponge liners. Professional EPP molding equipment, through customized steam pipes and cooling systems, ensures the density and gloss of the liner, meeting both safety and comfort requirements.

[0003] However, most existing helmet forming devices can only produce one helmet at a time. From a production cost perspective, forming one helmet at a time means lower output per unit time, and the costs of equipment, labor, and energy are spread out to each helmet, resulting in higher costs such as equipment depreciation and worker operating hours. Under the same production scale, the unit cost of forming one helmet at a time may be much higher than that of forming two helmets at a time. Moreover, in terms of return on investment, devices that form two helmets at a time can recoup their investment and generate profits faster because their capacity advantage allows them to realize product sales and cash flow more quickly. In contrast, devices that form one helmet at a time have a longer payback period and are at a disadvantage in market competition. Utility Model Content

[0004] In view of the problems mentioned in the background art, the purpose of this utility model is to provide an integrally molded helmet liner and its molding equipment to solve the problems mentioned in the background art.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: The one-piece molded helmet liner includes a liner body, the liner body includes a base material layer, a structural support layer is disposed on the outside of the base material layer, a functional layer is disposed on the outside of the structural support layer, and a surface treatment layer is disposed on the outside of the functional layer. The base material layer, structural support layer, functional layer and surface treatment layer are all pressed together by hot pressing technology.

[0006] A molding device for an integrated helmet liner includes a plate. Support legs are fixedly connected to both sides of the lower end of the plate. Connecting frames are fixedly connected to both sides of the upper end of the plate. An upper plate is fixedly connected to the upper end of the connecting frames. Electric push rods are fixedly connected to both sides of the upper end of the upper plate. A pressure plate is slidably inserted into the outer surface of the connecting frames. The output end of the electric push rod passes through the upper plate and is fixedly connected to the push plate. Mounting seats are fixedly connected to opposite sides of the plate and the pressure plate. An upper mold is fixedly connected inside the mounting seat at the lower end of the pressure plate, and a lower mold is fixedly connected inside the mounting seat at the upper end of the plate.

[0007] As a preferred technical solution, a caster wheel is fixedly connected to the lower end of the support leg, and an adjustment screw hole is provided at the lower corner of the support leg. An adjustment screw rod is threaded into the adjustment screw hole, and a rotating seat is fixedly connected to the lower end of the adjustment screw rod. A support plate is fixedly connected to the lower end of the rotating seat.

[0008] As a preferred technical solution, a threaded cylinder is fixedly connected to the upper end of the plate inside the connecting frame. A limit screw is threadedly connected to the upper end of the threaded cylinder. A limit plate is fixedly connected to the upper end of the limit screw. The limit plate is movably connected to the pressure plate.

[0009] As a preferred technical solution, the upper end of the mounting base is fixedly connected with a fixing stud, and multiple fixing studs are provided and penetrate through the pressure plate. The outer surface of the fixing stud is threaded with fixing nuts on both the upper and lower sides of the pressure plate.

[0010] As a preferred technical solution, the output end of the electric push rod is fixedly connected to a mounting plate. The outer surface of the mounting plate is provided with multiple mounting through holes. Mounting screws are inserted into the mounting through holes and are threaded through the mounting through holes to the pressure plate.

[0011] As a preferred technical solution, a placement frame is provided at the upper end of the plate surface. Two sets of placement frames are provided. Each placement frame includes a support frame. There are two support frames, and the support frames are connected by a bolt group.

[0012] In summary, the present invention has the following main advantages: When using the device, the helmet raw materials are first placed into the lower molds of the mounting base at the top of the plate. Simultaneously, the electric push rods on both sides of the upper plate are activated. The output ends of the electric push rods push the pressure plate, which is slidably inserted into the connecting frame, to move downwards, so that the upper and lower molds in the pressure plate mounting base can be precisely closed, applying pressure to the raw materials for molding. After molding, the electric push rods drive the pressure plate to reset, and two finished products can be taken out simultaneously. The dual-structure synchronous operation doubles the production capacity per unit time, enabling rapid response to batch order demands and significantly shortening the delivery cycle. The electric push rod drive ensures the stability of the pressure plate lifting and lowering and the accuracy of mold closing, improving the consistency of helmet molding quality. The upper and lower molds are fixed by the mounting base, and two sets of molds can be changed simultaneously for different helmet models, taking into account both large-scale and diversified production, reducing labor costs and improving operational safety. Attached Figure Description

[0013] Figure 1 This is one of the structural schematic diagrams of the inner lining body of this utility model; Figure 2 This is the second structural schematic diagram of the inner lining body of this utility model; Figure 3 This is the third schematic diagram of the structure of the inner lining body of this utility model; Figure 4 This is a schematic diagram of the molding equipment of this utility model; Figure 5 This is a bottom view structural diagram of the molding equipment of this utility model; Figure 6 This is a utility model Figure 4 A magnified structural diagram of part A.

[0014] Reference numerals: 1. Plate surface; 2. Support leg; 3. Placement frame; 31. Support frame; 32. Bolt assembly; 4. Connecting frame; 5. Upper plate; 6. Electric push rod; 7. Pressure plate; 8. Mounting base; 9. Upper mold; 10. Lower mold; 11. Caster wheel; 12. Adjusting screw hole; 13. Adjusting screw; 14. Rotating seat; 15. Support plate; 16. Threaded cylinder; 17. Limiting screw; 18. Limiting plate; 19. Fixing stud; 20. Fixing nut; 21. Mounting plate; 22. Mounting through hole; 23. Mounting screw; 111. Inner liner body; 1111. Base material layer; 1112. Structural support layer; 1113. Functional layer; 1114. Surface treatment layer. Detailed Implementation

[0015] Example refer to Figure 1-3The one-piece molded helmet liner of this embodiment includes a liner body 111, the liner body 111 includes a base substrate layer 1111, a structural support layer 1112 is provided on the outside of the base substrate layer 1111, a functional layer 1113 is provided on the outside of the structural support layer 1112, and a surface treatment layer 1114 is provided on the outside of the functional layer 1113. The base substrate layer 1111, the structural support layer 1112, the functional layer 1113 and the surface treatment layer 1114 are all pressed together by hot pressing technology.

[0016] refer to Figures 4 to 6 The molding equipment for the one-piece molded helmet liner in this embodiment includes a plate 1. Support legs 2 are fixedly connected to both sides of the lower end of the plate 1. Connecting frames 4 are fixedly connected to both sides of the upper end of the plate 1. An upper plate 5 is fixedly connected to the upper end of the connecting frame 4. Electric push rods 6 are fixedly connected to both sides of the upper end of the upper plate 5. A pressure plate 7 is slidably inserted into the outer surface of the connecting frame 4. The output end of the electric push rod 6 passes through the upper plate 5 and is fixedly connected to the push plate. Mounting seats 8 are fixedly connected to the opposite sides of the plate 1 and the pressure plate 7. An upper mold 9 is fixedly connected inside the mounting seat 8 at the lower end of the pressure plate 7. A lower mold 10 is fixedly connected inside the mounting seat 8 at the upper end of the plate 1.

[0017] refer to Figure 5 The lower end of the support leg 2 is fixedly connected to a caster wheel 11. An adjustment screw hole 12 is provided at the lower corner of the support leg 2. An adjustment screw 13 is threaded inside the adjustment screw hole 12. A rotating seat 14 is fixedly connected to the lower end of the adjustment screw 13. A support plate 15 is fixedly connected to the lower end of the rotating seat 14. When the position of the device needs to be adjusted, the device can be pushed with the help of the caster wheel 11 at the lower end of the support leg 2. The caster wheel 11 can turn flexibly, which makes it easy for the device to be quickly transferred to the target area in the workshop. When the device reaches the designated position and needs to be operated stably, the adjustment screw 13 in the adjustment screw hole 12 at the lower corner of the support leg 2 is rotated. The adjustment screw 13 is moved downward along the screw hole by the thread transmission, which drives the rotating seat 14 and the support plate 15 at the lower end to move down synchronously until the support plate 15 is in close contact with the ground and the support leg 2 is slightly supported. At this time, the caster wheel 11 is lifted off the ground. The device is fixed by the stable contact between the support plate 15 and the ground, which prevents displacement due to vibration during operation.

[0018] refer to Figure 4A threaded cylinder 16 is fixedly connected to the upper end of the plate 1 inside the connecting frame 4. A limit screw 17 is threadedly connected to the upper end of the threaded cylinder 16. A limit plate 18 is fixedly connected to the upper end of the limit screw 17, and the limit plate 18 is movably connected to the pressure plate 7. The threaded cylinder 16 fixed to the upper end of the plate 1 inside the connecting frame 4 provides an installation base for the limit screw 17. The limit screw 17 is threaded to the threaded cylinder 16 and its height can be adjusted by rotation. When it is necessary to set the maximum downward movement distance of the pressure plate 7... Rotate the limiting screw 17, and use the threaded transmission to make the limiting screw 17 move up and down along the threaded cylinder 16, driving the upper limiting plate 18 to adjust its height synchronously until the limiting plate 18 is at the target position of the pressure plate 7 moving down. When the device is working, the electric push rod 6 pushes the pressure plate 7 to slide down along the connecting frame 4. When the pressure plate 7 moves down to contact the limiting plate 18, the limiting plate 18 will block the pressure plate 7, restricting it from moving down further, and avoiding damage to the raw materials or equipment due to excessive pressure plate 7 moving down too far and causing the mold to press too tightly.

[0019] refer to Figure 6 The upper end of the mounting base 8 is fixedly connected with a fixing stud 19. Multiple fixing studs 19 are provided and penetrate the pressure plate 7. The outer surface of the fixing stud 19 is threaded with fixing nuts 20 on both the upper and lower sides of the pressure plate 7. The multiple fixing studs 19 at the upper end of the mounting base 8 can penetrate the pre-drilled holes at the corresponding positions of the pressure plate 7, so that the mounting base 8 and the pressure plate 7 are initially aligned. When it is necessary to fix it, the fixing nuts 20 are screwed onto the outer surfaces of the fixing studs 19 on the upper and lower sides of the pressure plate 7 respectively. By tightening the fixing nuts 20 on the upper and lower sides, the locking force of the threads is used to firmly clamp the pressure plate 7 between the fixing studs 19, thereby forming a rigid connection between the mounting base 8 and the pressure plate 7, and preventing the upper mold 9 from shifting with the pressure plate 7 when the device is working.

[0020] refer to Figure 6 The output end of the electric push rod 6 is fixedly connected to a mounting plate 21. The outer surface of the mounting plate 21 is provided with multiple mounting through holes 22. Mounting screws 23 are inserted into the mounting through holes 22 and threadedly connected to the pressure plate 7 through the mounting through holes 22. The mounting plate 21 fixed to the output end of the electric push rod 6 is connected to the pressure plate 7 through the multiple mounting through holes 22 on its outer surface. First, the mounting plate 21 is placed against the corresponding position of the pressure plate 7 so that the mounting through holes 22 are aligned with the threaded holes on the pressure plate 7. Then, the mounting screws 23 are inserted into the mounting through holes 22 and screwed into the threaded holes of the pressure plate 7. The mounting plate 21 is fixed to the pressure plate 7 by the thread locking force of the mounting screws 23, thereby making the electric push rod 6 and the pressure plate 7 work together.

[0021] refer to Figure 4The upper end of the board surface 1 is provided with a placement rack 3. There are two sets of placement racks 3. The placement rack 3 includes a support frame 31. There are two support frames 31. The support frames 31 are connected by a bolt group 32. During assembly, the two support frames 31 are tightly connected by the bolt group 32 to form a stable frame structure. Then, the assembled placement rack 3 is fixed in a suitable position on the upper end of the board surface 1. When in use, materials can be classified and placed in the frames of the two sets of placement racks 3 to achieve orderly storage of materials and avoid the random stacking of raw materials occupying the operating space of the board surface 1 or causing chaos.

[0022] Operating principle and advantages: When in use, the upper mold 9 and the lower mold 10 are installed with the mounting base 8. After installation, the device can be used normally. When using the device, first put the helmet raw material into the lower mold 10 of the mounting base 8 at the upper end of the plate 1. Simultaneously start the electric push rods 6 on both sides of the upper plate 5. The output end of the electric push rod 6 pushes the pressure plate 7, which is slidably inserted with the connecting frame 4, to move down, so that the upper mold 9 and the lower mold 10 in the mounting base 8 of the pressure plate 7 can be precisely closed, applying pressure to the raw material for molding. After molding, the electric push rod 6 drives the pressure plate 7 to reset, and the two finished products can be taken out simultaneously. The dual-structure synchronous operation doubles the production capacity per unit time, enabling rapid response to bulk order demands and significantly shortening the delivery cycle. The electric push rod 6 ensures the stable lifting and lowering of the pressure plate 7 and the precision of mold closing, improving the consistency of helmet molding quality. The upper mold 9 and lower mold 10 are fixed by the mounting base 8, allowing for simultaneous replacement of two sets of molds for different helmet models. This balances large-scale and diversified production, reducing labor costs and improving operational safety. Furthermore, during use, the threaded cylinder 16 fixed to the upper end of the plate 1 inside the connecting frame 4 provides an installation base for the limit screw 17. The limit screw 17 connects to the threaded cylinder via threads. The 16 connection allows for height adjustment via rotation. When the maximum downward movement distance of the pressure plate 7 needs to be set, the limit screw 17 is rotated, and the screw drive causes the limit screw 17 to move up and down along the threaded cylinder 16, driving the upper limit plate 18 to adjust its height synchronously until the limit plate 18 is at the target position for the downward movement of the pressure plate 7. When the device is working, the electric push rod 6 pushes the pressure plate 7 down along the connecting frame 4. When the pressure plate 7 moves down to contact the limit plate 18, the limit plate 18 will block the pressure plate 7, limiting its continued downward movement and preventing damage to the raw materials or equipment due to excessive pressure plate 7 downward movement causing the mold to press too tightly.

Claims

1. A one-piece, molded headgear liner, characterized by: The lining body includes a base material layer, a structural support layer is disposed on the outside of the base material layer, a functional layer is disposed on the outside of the structural support layer, and a surface treatment layer is disposed on the outside of the functional layer. The base material layer, structural support layer, functional layer and surface treatment layer are all pressed together by hot pressing technology.

2. A molding apparatus for integrally molding a helmet liner, using the helmet liner according to claim 1, characterized by: The device includes a plate surface. Support legs are fixedly connected to both sides of the lower end of the plate surface. Connecting frames are fixedly connected to both sides of the upper end of the plate surface. An upper plate is fixedly connected to the upper end of the connecting frames. Electric push rods are fixedly connected to both sides of the upper end of the upper plate. A pressure plate is slidably inserted into the outer surface of the connecting frames. The output end of the electric push rod passes through the upper plate and is fixedly connected to the push plate. Mounting seats are fixedly connected to the opposite sides of the plate surface and the pressure plate. An upper mold is fixedly connected inside the mounting seat at the lower end of the pressure plate, and a lower mold is fixedly connected inside the mounting seat at the upper end of the plate surface.

3. The forming apparatus for a one-piece headgear liner according to claim 2, wherein: The lower end of the support leg is fixedly connected to a caster wheel. An adjustment screw hole is provided at the lower corner of the support leg. An adjustment screw rod is threaded into the adjustment screw hole. A rotating seat is fixedly connected to the lower end of the adjustment screw rod. A support plate is fixedly connected to the lower end of the rotating seat.

4. The molding apparatus of the one-piece headgear liner of claim 2, wherein: A threaded cylinder is fixedly connected to the upper end of the plate inside the connecting frame. A limit screw is threadedly connected to the upper end of the threaded cylinder. A limit plate is fixedly connected to the upper end of the limit screw. The limit plate is movably connected to the pressure plate.

5. The molding apparatus of the one-piece helmet liner of claim 2, wherein: The upper end of the mounting base is fixedly connected with a fixing stud. Multiple fixing studs are provided and penetrate through the pressure plate. The outer surface of the fixing stud is threaded with fixing nuts on both the upper and lower sides of the pressure plate.

6. The molding apparatus of the one-piece helmet liner of claim 2, wherein: The output end of the electric push rod is fixedly connected to a mounting plate. The outer surface of the mounting plate is provided with multiple mounting through holes. Mounting screws are inserted into the mounting through holes and are threaded through the mounting through holes to the pressure plate.

7. The molding apparatus of the one-piece helmet liner of claim 2, wherein: The upper end of the plate is provided with a placement rack, and there are two sets of placement racks. The placement rack includes a support frame, and there are two support frames. The support frames are connected by a bolt group.

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