CN219311843U

CN219311843U - Insert structure of riding helmet foaming mold

Info

Publication number: CN219311843U
Application number: CN202222564750.4U
Authority: CN
Inventors: 杜燕华
Original assignee: Chuangyue Intelligent Technology Dongguan Co ltd
Current assignee: Chuangyue Intelligent Technology Dongguan Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-07-07
Anticipated expiration: 2032-09-27

Abstract

The utility model provides an insert structure of a riding helmet foaming mold, which is used for forming a necking-shaped embedded sink groove on a foaming body, and comprises an insert plate with the area larger than that of the embedded sink groove, wherein a first insert is protruded on the insert plate, three mounting counter bores are further formed on the insert plate and are respectively used for inserting and fixing a second insert, a third insert and a fourth insert, and parts of the first insert, the second insert, the third insert and the fourth insert, which are protruded on the surface of the insert plate, are used for jointly forming the embedded sink groove. When the foaming mold is installed, the insert plate is fixed with the female mold or the male mold, and then the second insert, the third insert and the fourth insert are respectively inserted into three installation counter bores of the insert plate for fixation; and when dismantling the foaming mould, also only need take out the mold insert board earlier to make first mold insert take out, second mold insert, third mold insert and fourth mold insert are not hard up this moment, can take out fast, compare current structure, can reduce the foaming mould and dismantle the operation degree of difficulty, thereby improve production efficiency greatly.

Description

Insert structure of riding helmet foaming mold

Technical Field

The utility model relates to the technical field of helmet foaming molds, in particular to an insert structure of a riding helmet foaming mold.

Background

The foam body of the riding helmet is formed through the foaming mold, and the honeycomb net plate is embedded in a part area of the foam body of the existing riding helmet, so that the stress intensity in a specific direction can be improved, and the weight can be reduced. The honeycomb screen is embedded on the inner side wall of the foam body during the assembly production of the helmet, so that the foam body needs to be molded into an embedded sink groove on the inner wall of the foam body during the molding, the side wall of the embedded sink groove is usually in a necking shape (namely a bottom big-mouth small structure) in order to improve the installation reliability of the honeycomb screen, the honeycomb screen is difficult to separate after being embedded, at the moment, a foaming mold for molding the foam body needs to adopt at least four inserts spliced with each other to mold the embedded sink groove, otherwise, the necking-shaped side wall of the embedded sink groove cannot be demolded, and in addition, as the foam body is in a hemispherical special-shaped structure, a female die, a male die and each insert of the foaming mold need to be manually installed and disassembled during the production process. The existing insert structure is that three inserts are adopted to surround the side wall used for forming the embedded sink, then a columnar fourth insert is inserted in the middle of the three inserts, so that the whole is positioned, when the die is assembled, the three inserts at the periphery are required to be installed first, and then the fourth insert is inserted from the middle, so that the whole is positioned; when the mold is disassembled, the middle fourth insert is required to be taken out firstly, and the other three inserts at the periphery can be taken out; at the moment, the middle insert is taken out by means of clamping tools such as forceps, so that the operation is very inconvenient, the labor intensity of workers is high, and the production efficiency is low.

Disclosure of Invention

The utility model aims to provide an insert structure of a riding helmet foaming mold, which is easy to assemble and disassemble and can improve the production efficiency.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides an insert structure of helmet foaming mold rides for shaping out the embedding heavy groove of throat form on the foaming body, including corresponding the embedding heavy groove position and area are greater than the mold insert board of embedding heavy groove, the protrusion has first mold insert on the mold insert board, still have three installation counter bores on the mold insert board, be used for the fixed second mold insert of inserting respectively, third mold insert and fourth mold insert, just first mold insert the second mold insert with the fourth mold insert protrusion in the part of mold insert board surface is used for the joint forming the embedding heavy groove.

In a preferred scheme, the inner wall of each mounting counter bore is embedded with a wave bead screw for elastically positioning the second insert, the third insert and the fourth insert.

In one preferred embodiment, the second insert, the third insert and the fourth insert have positioning recesses corresponding to the bead screws.

In a preferred scheme, mutually matched sliding grooves and sliding rails are arranged between adjacent combined side walls of the first insert, the second insert, the third insert and the fourth insert along the disassembly and assembly direction.

Preferably, the two side walls of the first insert are provided with the sliding grooves, the side walls of the second insert, the third insert and the side walls of the fourth insert, which are adjacent to the first insert, are the sliding rails, the side walls of the second insert, the third insert and the side walls of the fourth insert are the sliding grooves, and the two side walls of the fourth insert are the sliding rails.

Preferably, the bottom surface of the embedded sink groove is further provided with a plurality of long through grooves penetrating through the foaming body, correspondingly, the foaming mold further comprises a fifth insert for forming the long through grooves, the inner side end of the fifth insert is abutted against the outer wall of the first insert, the second insert, the third insert and/or the fourth insert, and the outer side end of the fifth insert is fixed on the female mold.

In one preferred embodiment, the bottom edge of the insert plate is fixed to the female die.

The utility model has the beneficial effects that: when the foaming mold is installed, the insert plate is fixed with the female mold or the male mold, and then the second insert, the third insert and the fourth insert are respectively inserted into the three installation counter bores of the insert plate for fixation; and when dismantling foaming mould, also only need take out the mold insert board earlier, thereby make first mold insert takes out, at this moment second mold insert, third mold insert and fourth mold insert are not hard up, can take out fast, compare current structure, can reduce foaming mould and dismantle the operation degree of difficulty, thereby improve production efficiency greatly.

Drawings

The utility model will now be described in further detail with reference to the drawings and to specific examples.

FIG. 1 is a schematic structural view of a foam in an embodiment;

FIG. 2 is a schematic structural view of a foaming mold in an embodiment;

FIG. 3 is a schematic view of an insert for forming a recess in an embodiment;

FIG. 4 is a schematic view of an insert plate and mounting structure for each insert in an embodiment;

fig. 5 is a schematic structural view of a second insert, a third insert, and a fourth insert in the embodiment.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

referring to fig. 1 to 5, this embodiment is illustrated by taking a foaming mold of a riding helmet as an example, the foaming mold is used for foaming and forming a foaming body 1 of the riding helmet, and comprises a female mold 2, a male mold 3 and a plurality of inserts, and the foaming mold is provided with a plurality of air holes communicated with the inside and the outside, and a feeding hole for allowing a granular foaming material to enter the foaming mold.

When producing the foam body 1, a plurality of sets of foaming molds are generally required to be installed in a vacuum box in parallel so as to improve the production efficiency; when the foaming mould is installed, the female mould 2, the male mould 3 and various inserts are required to be assembled manually, the assembled foaming mould is installed in a vacuum box, then the vacuum box is vacuumized integrally, the air holes of each foaming mould enable negative pressure to be formed inside the foaming mould, so that foaming materials are sucked into the foaming mould, high-temperature steam is introduced into the vacuum box to heat the foaming materials, the foaming materials are expanded, extruded and combined to form a foaming body 1, cold water is introduced to cool and shape the foaming body 1, and finally the foaming mould is disassembled, and the foaming body 1 is taken out.

The inner side wall of the foam body 1 has a necking-shaped embedded sink 11 for installing a honeycomb plate, correspondingly, the embedded sink 11 needs to be formed by a plurality of inserts, specifically, the insert for forming the embedded sink 11 includes an insert plate 41 corresponding to the embedded sink 11 and having an area larger than that of the embedded sink 11, the inner surface 410 of the insert plate 41 forms a part of the cavity of the foam body 1, the insert plate 41 is protruded with a first insert 42 integrally formed, the insert plate 41 is further provided with three installing counter bores 411 for respectively inserting and fixing a second insert 43, a third insert 44 and a fourth insert 45, and the parts of the first insert 43, the third insert 44 and the fourth insert 45 protruding from the inner surface 410 of the insert plate 41 are used for jointly forming the embedded sink 11.

When the foaming mold is installed, the insert plate 41 is only required to be fixed with the female mold 2 or the male mold 3, and then the second insert 43, the third insert 44 and the fourth insert 45 are respectively inserted into the three installation counter bores 411 of the insert plate 41 to be fixed; when the foaming mold is disassembled, the insert plate 41 is only required to be taken out firstly, so that the first insert 42 is taken out from the foaming body 1, at the moment, the second insert 43, the third insert 44 and the fourth insert 45 are loose, and can be taken out from the foaming body 1 rapidly.

In order to fix the second insert 43, the third insert 44 and the fourth insert 45 to the insert plate 41 without loosening during assembling of the foaming mold, a plurality of elastic bead screws 46 are embedded in the inner wall of each of the mounting counter bores 411, and the second insert 43, the third insert 44 and the fourth insert 45 have positioning recesses 47 corresponding to the bead screws 46. When the foaming mold is installed, the second insert 43, the third insert 44 and the fourth insert 45 can be inserted into the installation counter bore 411 respectively, and fixed by the bead screw 46, and then the insert plate 41 is integrally fixed on the female mold 2 or the male mold 3, so that the assembly of the foaming mold is gradually completed.

Further, mutually matched sliding grooves 48a and sliding rails 48b which are arranged along the dismounting direction are arranged between the adjacent combined side walls of the first insert 42, the second insert 43, the third insert 44 and the fourth insert 45. The sliding groove 48a and the sliding rail 48b can prevent each insert from swinging, thereby causing the dimension error of the embedded sink 11.

More specifically, the sliding grooves 48a are formed on both side walls of the first insert 42, the sliding rails 48b are formed on both side walls of the second insert 43, the third insert 44, and the first insert 42, the sliding grooves 48a are formed on both side walls of the fourth insert 45, and the sliding rails 48b are formed on both side walls of the fourth insert 45. The structure can facilitate the first insert 42 to be mounted or dismounted, the second insert 43 and the third insert 44 to be mounted or dismounted, and the fourth insert 45 to be mounted or dismounted.

The bottom surface of the embedded sink 11 is further provided with a plurality of elongated through grooves 12 penetrating through the foam body 1, correspondingly, the foaming mold further comprises a fifth insert 49 for forming the elongated through grooves 12, the inner side end of the fifth insert 49 abuts against the outer wall of the first insert 42, the second insert 43, the third insert 44 and/or the fourth insert 45, and the outer side end of the fifth insert 49 is directly or indirectly fixedly mounted on the female mold 2.

The bottom edge 412 of the insert plate 41 is directly or indirectly fixed to the die 2, and further, each insert is directly or indirectly fixed to the die 2. Because in the production process, the female die 2 can be fixed on the vacuum box all the time, the insert plate 41 and various inserts are arranged on the female die 2, when the foaming mould is dismounted in the production process, the insert plate 41 and various inserts can be firstly arranged or dismounted with the female die 2 as a whole, and the male die 3 is independently assembled, compared with the structure that the insert plate 41 and various inserts are arranged on the female die 2 and the male die 3 in a scattered way, the carrying labor intensity when the foaming mould is dismounted repeatedly can be reduced.

The above description should not be taken as limiting the scope of the utility model, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical principles of the present utility model still fall within the scope of the technical solutions of the present utility model.

Claims

1. The utility model provides a helmet foaming mold's of riding mold insert structure for form out the embedding sink of throat form on the foaming body, its characterized in that: the embedded sink comprises an insert plate, wherein the insert plate corresponds to the embedded sink and is larger than the embedded sink in area, an integrally formed first insert protrudes from the insert plate, three mounting counter bores are formed in the insert plate and are respectively used for inserting and fixing a second insert, a third insert and a fourth insert, and the first insert, the second insert, the third insert and the fourth insert protrude from the surface of the insert plate and are used for jointly forming the embedded sink.

2. The insert structure of a riding helmet foaming mold according to claim 1, wherein: and the inner wall of each mounting counter bore is embedded with a wave bead screw for elastically positioning the second insert, the third insert and the fourth insert.

3. The insert structure of a riding helmet foaming mold according to claim 2, wherein: the second insert, the third insert and the fourth insert are provided with positioning recesses corresponding to the wave bead screws.

4. The insert structure of a riding helmet foaming mold according to claim 2, wherein: and mutually matched sliding grooves and sliding rails which are arranged along the disassembly and assembly direction are arranged between each adjacent combined side wall of the first insert, the second insert, the third insert and the fourth insert.

5. The insert structure of a riding helmet foam mold according to claim 4, wherein: the two side walls of the first insert are provided with the sliding grooves, the side walls of the second insert, the third insert and the side walls of the fourth insert, which are adjacent to the first insert, are the sliding rails, the side walls of the second insert, the third insert and the fourth insert are the sliding grooves, and the two side walls of the fourth insert are the sliding rails.

6. The insert structure of a riding helmet foaming mold according to claim 1, wherein: the bottom surface of the embedded sink groove is also provided with a plurality of long through grooves penetrating through the foaming body, correspondingly, the foaming mold further comprises a fifth insert for forming the long through grooves, the inner side end of the fifth insert is propped against the outer walls of the first insert, the second insert, the third insert and/or the fourth insert, and the outer side end of the fifth insert is fixed on the female mold.

7. The insert structure of a riding helmet foam mold of claim 6, wherein: the bottom edge of the insert plate is fixed with the female die.