CN219311842U

CN219311842U - Insert mounting structure of riding helmet foaming mold

Info

Publication number: CN219311842U
Application number: CN202222564715.2U
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 mounting structure of a riding helmet foaming mold, which comprises a female mold, a male mold and an insert device, wherein the inner walls of the female mold and the male mold form a mounting groove for mounting the insert device in a mounting manner; the insert device is embedded in the die assembly position of the female die and the male die and comprises a left half ring and a right half ring which are jointly encircled to form a whole circle, a fixing ring which is arranged around the bottom edges of the left half ring and the right half ring, and a plurality of inserts which are arranged on the left half ring, the right half ring and/or the fixing ring. The insert device can be independently assembled into a whole, and can be independently disassembled, assembled and carried in the foaming production process, so that the labor intensity of carrying the foaming mold in the foaming body production process is greatly reduced, and the insert device can be independently installed, so that looseness can be timely found, and bad production is avoided. The left half ring and the right half ring are arranged, so that the foam body can be conveniently demolded, and the left half ring and the right half ring are fixed into a whole by the fixing ring, so that the insert is prevented from loosening in the carrying process.

Description

Insert mounting 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 mounting structure of a riding helmet foaming mold.

Background

The foam of riding helmet is through foaming mould shaping, and during the foaming body production, generally with many sets of foaming moulds side by side install in same vacuum chamber, be equipped with the gas pocket on the foaming mould, can make each foaming mould inside form negative pressure through the evacuation to the vacuum chamber to inhale the foaming material in the foaming mould, let in high temperature steam heating foaming material in the vacuum chamber again, make its expansion extrusion and combine to form the foaming body, then let in cold water so that the foaming body cooling design, unpack the foaming mould at last, take out the foaming body.

Because various structures such as ventilation holes, fasteners, frameworks, inserts (such as honeycomb net plates) and the like are usually required to be arranged on the foam body of the riding helmet, a foaming mold of the riding helmet is required to be provided with a great number of inserts for forming or embedding the structures; in addition, as the foaming body is of a hemispherical special-shaped structure, the male die, the female die and each insert of the foaming die need to be repeatedly installed and detached manually in the production process of the foaming body; on the one hand, because the quantity of inserts is large and the positions are distributed scattered, the foaming mould is required to be integrally moved into a vacuum box for installation and fixation after being completely assembled before foaming production, and the foaming mould is required to be integrally moved down for disassembly after foaming is finished so as to take out the foaming body, the labor intensity of workers in the production process is particularly high, and the inserts are required to be operated for a long time in a narrow space inside the machine after the machine is opened, so that potential safety hazards exist and the inserts are easy to be damaged; on the other hand, many inserts are assembled and carried in the male die and the female die, and part of inserts are not easy to perceive when loose and displacement is carried out because the inside of the foaming die is not visible, so that the formed foaming body is poor.

Disclosure of Invention

Aiming at the problems existing in the production process of the existing riding helmet foaming mold, the utility model provides the insert mounting structure which can reduce the labor intensity and the reject ratio in the production process of the foaming body.

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

the insert mounting structure of the riding helmet foaming mold comprises a female mold, a male mold and an insert device, wherein the female mold and the inner wall of the male mold jointly form an embedded groove for embedding and mounting the insert device, so that the whole insert device is coated and mounted between the female mold and the male mold and forms a part of a foaming body cavity; the insert device is embedded in the die assembly position of the female die and the male die and comprises a left half ring and a right half ring which are encircled together to form a whole circle and are used for forming the outer wall of the lower part of the foam body, a fixing ring which is arranged around the bottom edges of the left half ring and the right half ring and is used for forming the bottom edge of the foam body, and a plurality of inserts which are arranged on the left half ring, the right half ring and/or the fixing ring.

A plurality of rotatable elastic pressing sheets are arranged around the edge of the die cavity of the female die, and each elastic pressing sheet comprises a pressing plate rotatably installed on the die joint surface of the female die through a rotating shaft, and a spring sleeved on the rotating shaft and enabling the pressing plate to keep fit trend with the female die.

In a preferred scheme, a plurality of mounting posts vertically extend from the left half ring and the right half ring to the fixing ring, and the elastic pressing sheets for fixing the fixing ring are also arranged in the mounting posts.

In a preferred scheme, the top surface and the bottom surface of the insert device are vertically extended with a plurality of plug-in blocks distributed along the circumferential direction, and the embedded groove is internally provided with corresponding plug-in holes.

In a preferred scheme, a plurality of groups of concave-convex matching structures are arranged between the fixing ring and the combining surfaces of the left half ring and the right half ring.

In a preferred scheme, the joint of the left half ring and the right half ring at two ends is provided with a plurality of groups of matching structures of positioning protrusions and positioning recesses.

In a preferred scheme, the joint of the left half ring and the right half ring at two ends is also provided with a locking screw in a penetrating way.

The utility model has the beneficial effects that: because the mold insert device can be assembled into a whole independently, the mold insert device can be disassembled and carried independently in the foaming production process, compared with the situation that the foaming mold is required to be carried integrally in the prior art, the labor intensity of carrying the foaming mold in the foaming body production process is greatly reduced, the mold insert device is small and light, the mold insert device can be taken out of the machine to be assembled and disassembled, the production safety is improved, and the assembly and disassembly rotation can be carried out through the mold insert devices with more than two sets independently, so that the production efficiency of the machine is greatly improved. Because the insert device is independently installed, the insert device can be timely found when the insert structure is loose, and poor production cannot be caused. The left half ring and the right half ring are arranged, so that the left half ring and the right half ring can be conveniently separated to enable the foam body to be demolded and taken out, and the left half ring and the right half ring can be more reliably fixed into a whole by arranging the fixing ring, so that loose insert is avoided in the carrying process; in addition, because the fixing ring is used for forming the bottom edge of the foaming body, when the insert device is assembled, the shell body integrally formed with the foaming body does not need to be in contact with a table top, and the bearing deformation of the shell body can not be caused, so that the production quality is ensured.

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 view showing an exploded structure of a foaming mold in an embodiment;

FIG. 2 is a schematic view showing a longitudinal sectional structure of a foaming mold in the embodiment;

FIG. 3 is a schematic view showing a transverse cross-sectional structure of a foaming mold in an embodiment;

FIG. 4 is a schematic view showing a partially exploded construction of a foaming mold insert device in an embodiment;

FIG. 5 is a schematic view showing a mounting structure of the insert device in the female die according to the embodiment;

fig. 6 is a schematic structural view of an elastic sheet in the embodiment.

Detailed Description

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

referring to fig. 1 to 6, the present embodiment is described taking a foam mold structure of a riding helmet as an example, the foam mold is used for foam molding a foam body 4 of the riding helmet, and comprises a female mold 1, a male mold 2, and an insert device 3, wherein the female mold 1 and the inner wall of the male mold 2 together form an embedding groove (100, 200) for embedding and installing the insert device 3, so that the insert device 3 is entirely installed between the female mold 1 and the male mold 2 in a cladding manner, and forms a part of a cavity of the foam body 4. Specifically, the insert device 3 is embedded near the die clamping position of the female die 1 and the male die 2, and includes a left half ring 31 and a right half ring 32 that are surrounded together to form a whole circle and are used for forming the outer wall of the lower portion of the foam body 4, a fixing ring 33 that is installed around the bottom edges of the left half ring 31 and the right half ring 32 and is used for forming the bottom edge of the foam body 4, and a plurality of inserts 34 that are installed on the left half ring 31, the right half ring 32 and/or the fixing ring 33.

Because the insert device 3 can be independently assembled into a whole, when the foaming mold is assembled before foaming production, the insert device 3 is only required to be installed and then integrally installed on the female mold 1 for fixation, and then the male mold 2 and the female mold 1 are fixed, wherein the male mold 2 is installed on a fixed plate of a machine, the female mold 1 is installed on a movable plate, and the insert device 3 is only required to be independently carried during production operation; when the mold is disassembled after foaming is finished, the male mold 2 and the female mold 1 are opened, the insert device 3 and the foaming body 4 are taken down integrally, and then the insert device 3 is partially disassembled to take out the foaming body 4; therefore, compare the condition that all need to carry foaming mould whole when current installation is dismantled, this structure has greatly reduced the intensity of labour of foaming mould transport in the foaming body 4 production process, and mold insert device 3 is less and light moreover, can take out the machine and assemble and dismantle, has improved production security, can also set up more than two sets of mold insert devices 3 alone, carries out the rotation of equipment and dismantlement to improve the efficiency of machine production greatly. The left half ring 31 and the right half ring 32 are arranged, the left half ring 31 and the right half ring 32 can be conveniently separated, so that the foam body 4 can be demolded and taken out, and the fixing ring 33 is arranged, so that the left half ring 31 and the right half ring 32 can be more reliably fixed into a whole, the loose of the insert 34 in the carrying process is avoided, and meanwhile, the fixing ring 33 is also convenient to fix some inserts 34 positioned on the inner side surface of the foam body 4. In addition, since the fixing ring 33 is used for forming the bottom edge of the foam body 4, in the production process of the riding helmet in which the foam body 4 and the shell (PC/PVC/ABS material) are integrally formed, the lower part of the shell is fixed in the insert device 3 before foam forming, and the bottom edge is covered by the fixing ring 33 without contacting with a tabletop, so that the bearing deformation of the shell is not caused, and the production quality is ensured.

In order to avoid damage to the edge angle of the die-locking surface due to collision of the left half ring 31 and the right half ring 32 during die-locking, the die-locking positions of the left half ring 31 and the right half ring 32 are provided with a plurality of sets of matching structures of positioning convex 351 and positioning concave 352. During die assembly, the positioning convex 351 is contacted with the positioning concave 352, and then the left half ring 31 and the right half ring 32 are gradually spliced and matched to tightly combine the die assembly surfaces, so that the problem that the edge angles of the left half ring 31 and the right half ring 32 are collided and damaged to cause poor stamping is avoided. Further, the joint between the left half ring 31 and the right half ring 32 at both ends is further provided with a locking screw 353 for locking the two. The locking screw 353 can ensure closer combination between the left half ring 31 and the right half ring 32, and avoid poor stamping.

In order to fix the insert device 3 conveniently, a plurality of rotatable elastic pressing pieces 5 are arranged around the edge of the cavity of the female die 1, and the elastic pressing pieces 5 comprise pressing plates 52 rotatably installed on the die-combining surface of the female die 1 through rotating shafts 51, and springs 53 sleeved on the rotating shafts 51 and enabling the pressing plates 52 to keep fit trend with the female die 1. When the insert device 3 is embedded into the cavity of the female die 1, the elastic pressing piece 5 is rotated, so that the insert device 3 can be integrally fixed on the female die 1, and the male die 2 can be conveniently installed.

In order to facilitate the installation of the fixing ring 33, a plurality of mounting posts 36 vertically extend from the left half ring 31 and the right half ring 32 to the fixing ring 33, and the elastic pressing sheet 5 is also installed in the mounting posts 36, so that the fixing ring 33 can be quickly fixed.

The bottom ends of the inserts 34 for forming the inner structure of the foam body are embedded and fixed on the fixing ring 33 through an extension part, the inserts 34 are sequentially and adjacently arranged around the inner side of the fixing ring 33, and an overlapping part is arranged between the adjacent inserts 34, so that the outer edge of one side of the insert 34 which is installed in advance is limited by the inner edge of the insert which is installed later, and the insert 34 which is installed last is locked and fixed by the elastic pressing sheet 5 together with the fixing ring 33. Each insert 34 can be fixed on the fixing ring 33 without locking screws, and the mounting and the dismounting are convenient and quick.

The top surface and the bottom surface of the insert device 3 are vertically extended with a plurality of inserting blocks 37 distributed along the circumferential direction, and the inserting grooves (100, 200) are internally provided with corresponding inserting holes. The insert 37 and the insert hole are provided, so that the insert device 3, the female die 1 and the male die 2 can be positioned accurately, and the edge angle of the die-closing surface can be prevented from being damaged due to collision of the die-closing surfaces of the parts during installation.

The fixing ring 33 has a plurality of groups of concave-convex matching structures between the combining surfaces of the two ends of the left half ring 31 and the right half ring 32, so that the structural precision of the insert device 3 can be improved, the reliability of the structure is ensured, and the damage to the cutting edge angle caused by collision of the fixing ring 33 with the left half ring 31 and the right half ring 32 during assembly is avoided.

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 mold insert mounting structure rides which characterized in that: the mold insert device comprises a female mold, a male mold and an insert device, wherein the inner walls of the female mold and the male mold jointly form an embedded groove for embedding and installing the insert device, so that the whole insert device is installed between the female mold and the male mold in a coating manner and forms a part of a foaming body cavity; the insert device is embedded in the die assembly position of the female die and the male die and comprises a left half ring and a right half ring which are encircled together to form a whole circle and are used for forming the outer wall of the lower part of the foam body, a fixing ring which is arranged around the bottom edges of the left half ring and the right half ring and is used for forming the bottom edge of the foam body, and a plurality of inserts which are arranged on the left half ring, the right half ring and/or the fixing ring.

2. The insert mounting structure of a riding helmet foaming mold according to claim 1, wherein: the elastic pressing piece comprises a pressing plate rotatably mounted on the die joint surface of the female die through a rotating shaft, and a spring sleeved on the rotating shaft and enabling the pressing plate to keep fit trend with the female die.

3. The insert mounting structure of a riding helmet foaming mold according to claim 2, wherein: the left semi-ring and the right semi-ring vertically extend out of the fixing ring to form a plurality of mounting columns, and the elastic pressing sheets for fixing the fixing ring are also arranged in the mounting columns.

4. The insert mounting structure of a riding helmet foaming mold according to claim 3, wherein: the bottom ends of the inserts for forming the inner side structure of the foam body are embedded and fixed on the fixed ring through an extension part, the inserts are sequentially arranged adjacently around the inner side of the fixed ring, and an overlapping part is arranged between the adjacent inserts, so that the outer edge of one side of the insert which is installed in advance is limited by the inner edge of the insert which is installed later, and the insert which is installed last is locked and fixed by the elastic pressing sheet together with the fixed ring.

5. The insert mounting structure of a riding helmet foaming mold according to claim 1, wherein: the top surface and the bottom surface of the insert device are vertically extended with a plurality of inserting blocks distributed along the circumferential direction, and the embedded groove is internally provided with corresponding inserting holes.

6. The insert mounting structure of a riding helmet foaming mold according to claim 5, wherein: and a plurality of groups of concave-convex matching structures are arranged between the combining surfaces of the fixing ring and the left half ring and the right half ring.

7. The insert mounting structure of a riding helmet foaming mold according to claim 1, wherein: the combination part of the left semi-ring and the right semi-ring at two ends is provided with a plurality of groups of matching structures of positioning protrusions and positioning recesses.

8. The insert mounting structure of a riding helmet foaming mold according to claim 7, wherein: the joint of the left semi-ring and the right semi-ring at two ends is also provided with a locking screw in a penetrating way.