CN211762876U - Loudspeaker earmuff PU skin high temperature design tool - Google Patents
Loudspeaker earmuff PU skin high temperature design tool Download PDFInfo
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- CN211762876U CN211762876U CN201922267148.2U CN201922267148U CN211762876U CN 211762876 U CN211762876 U CN 211762876U CN 201922267148 U CN201922267148 U CN 201922267148U CN 211762876 U CN211762876 U CN 211762876U
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- leather
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Abstract
The utility model belongs to the technical field of PU skin high temperature forming and discloses a loudspeaker earmuff PU skin high temperature shaping jig, a screw rod is arranged between two positioning pins, and an earmuff forming leather cover is arranged in a forming lower die; cutting and blanking the ear muff forming leather from the whole PU leather and blanking the ear muff cylindrical holes together, wherein the ear muff cylindrical holes are sleeved on the upper part of the lower die cylinder; the two ear sleeve positioning holes are arranged on one side of the ear sleeve cylindrical hole; the upper molding die cover is arranged on the upper part of the earmuff molding skin, and one end of the screw rod penetrates through the upper molding die and is fixed with the nut. The PU leather forming device is characterized in that a smooth PU leather is placed in the lower profiling forming die, the leather is pressed by the upper profiling forming die, the leather is shaped in a cavity for forming the upper film and the lower film, the formed leather of the earmuff is formed, then the leather is placed in the tunnel furnace in batches for high-temperature forming, the formed shape precision of the PU leather is high, the PU leather is placed in the tunnel furnace in batches for high-temperature forming after being placed in the die, the production efficiency is improved, and the production cost is saved.
Description
Technical Field
The utility model relates to a PU skin high temperature forming technology field especially relates to a loudspeaker earmuff PU skin high temperature design tool.
Background
The traditional earphone leather sheath is formed by high-frequency hot pressing, and only single processing can be realized by using high-frequency forming, so that the production efficiency is low; because PU skin elasticity is great to the high frequency shaping only can make PU skin local heating, PU skin shaping shape error is great.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is overcome current defect, a loudspeaker earmuff PU skin high temperature design tool is provided, put one smooth PU skin in the profile modeling shaping lower mould, and push down the cladding with the mould on the profile modeling, make the cladding stereotype in the die cavity of membrane about the shaping, form earmuff shaping skin, then put into high temperature forming in the tunnel furnace in batches, PU skin shaping shape precision is high, put into high temperature forming in the tunnel furnace in batches behind the mould is packed into to the PU skin, and the productivity ratio is improved, thereby saving the production cost, can effectively solve the problem in the background art.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a loudspeaker earmuff PU skin high temperature design tool, include:
forming a lower die;
the lower die cylinder is arranged on one side of the forming lower die;
two positioning pins are arranged on the positioning pin,
one end of the positioning pin is connected with one end of the lower die cylinder;
a screw rod arranged between the two positioning pins,
the earmuff forming leather is sleeved inside the lower forming die;
the ear cap cylindrical hole and the ear cap forming skin are integrally formed by injection molding, and the ear cap cylindrical hole is sleeved on the upper part of the lower die cylinder;
the number of the ear muff positioning holes is two, and the ear muff positioning holes are formed in one side of the ear muff cylindrical hole;
an earmuff screw hole which is arranged between the two earmuff positioning holes,
the two positioning pins respectively penetrate through the inner parts of the two earcap positioning holes, and the screw rod penetrates through the inner part of the earcap screw hole;
the upper molding die is covered on the upper part of the earcap molding skin,
one end of the screw rod penetrates through the upper forming die and is fixed with the nut.
As an optimized technical scheme of the utility model, loudspeaker earmuff PU skin high temperature design tool still includes:
the upper die positioning holes are arranged at the upper part of the forming upper die, and the number of the upper die positioning holes is two;
an upper die screw hole arranged between the two upper die positioning holes,
wherein the two positioning pins respectively penetrate through the two earcap positioning holes and the upper die positioning hole to fix the forming upper die and the forming lower die,
one end of the screw rod penetrates through the earmuff screw hole and the upper die screw hole and is fixed with the nut, so that the upper die and the lower die are fixed in the forming process.
As an optimized technical scheme of the utility model, loudspeaker earmuff PU skin high temperature design tool still includes:
and the gasket is arranged between the nut and the upper die for forming.
As an optimized technical scheme of the utility model, loudspeaker earmuff PU skin high temperature design tool still includes:
and the upper die cylindrical hole is arranged at the upper part of the upper die in the forming process, and the inner part of the upper die cylindrical hole is used for installing the earmuff cylindrical hole.
The utility model discloses in the one or more technical scheme that provides, following technological effect or advantage have at least:
the PU leather forming device is characterized in that a smooth PU leather is placed in the lower profiling forming die, the leather is pressed by the upper profiling forming die, the leather is shaped in a cavity for forming the upper film and the lower film, the formed leather of the earmuff is formed, then the leather is placed in the tunnel furnace in batches for high-temperature forming, the formed shape precision of the PU leather is high, the PU leather is placed in the tunnel furnace in batches for high-temperature forming after being placed in the die, the production efficiency is improved, and the production cost is saved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 and fig. 2 are perspective views of a PU skin high-temperature shaping jig for a speaker ear cap according to an embodiment of the present invention;
fig. 3 is a schematic view of an earmuff molding skin and a molding lower die of a loudspeaker earmuff PU skin high-temperature shaping jig according to an embodiment of the present invention;
FIG. 4 is a schematic view of a lower die for forming a PU skin high-temperature shaping jig for a speaker ear cap according to an embodiment of the present invention;
fig. 5 is a schematic view of an earmuff forming skin and an earmuff cylindrical hole of a loudspeaker earmuff PU skin high-temperature shaping jig according to an embodiment of the present invention;
fig. 6 is a schematic view of an upper mold and an upper mold cylindrical hole for forming a PU skin high-temperature shaping jig for a horn earcap according to an embodiment of the present invention;
fig. 7 is an exploded view of a PU skin high-temperature shaping jig for a speaker ear cap according to an embodiment of the present invention;
reference numbers in the figures: 1. a nut; 2. a gasket; 3. forming an upper die; 4. forming a skin of the earmuff; 5. a screw; 6. positioning pins; 7. forming a lower die; 8. positioning holes of the ear sleeves; 9. ear muff screw holes; 10. an upper die screw hole; 11. an upper die positioning hole; 12. a lower die cylinder; 13. a cylindrical hole of the earcap; 14. and (6) an upper die cylindrical hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the present invention.
The first embodiment is as follows:
referring to fig. 1-7, the utility model relates to a loudspeaker earmuff PU skin high temperature design tool, includes:
forming a lower die 7;
the lower die cylinder 12 is arranged on one side of the forming lower die 7;
two positioning pins 6 are arranged on the positioning pin 6,
wherein, one end of the positioning pin 6 is connected with one end of the lower die cylinder 12;
a screw 5, the screw 5 being disposed between the two positioning pins 6,
the ear cap forming leather 4 is sleeved inside the lower forming die 7;
the earcap cylindrical hole 13 is formed by injection molding of the earcap cylindrical hole 13 and the earcap molding leather 4 in an integrated mode, and the earcap cylindrical hole 13 is sleeved on the upper portion of the lower die cylinder 12;
the number of the ear muff positioning holes 8 is two, and the ear muff positioning holes 8 are arranged on one side of the ear muff cylindrical hole 13;
an earmuff screw hole 9, wherein the earmuff screw hole 9 is arranged between the two earmuff positioning holes 8,
the two positioning pins 6 respectively penetrate through the two earcap positioning holes 8, and the screw rod 5 penetrates through the earcap screw hole 9;
the upper molding die 3 is covered on the upper part of the earcap molding leather 4,
one end of the screw rod 5 penetrates through the upper forming die 3 and is fixed with the nut 1.
In this embodiment: according to the final forming requirement of the earphone leather sheath, an upper forming die 3 and a lower forming die 7 which imitate the appearance of the leather sheath are manufactured;
blanking the PU leather according to a blanking process, and processing a screw rod 5 in the PU leather blanking leather through an earmuff screw hole 9, an upper die screw hole 10 and two positioning pins 6 through an earmuff positioning hole 8 and an upper die positioning hole 11;
aligning the positioning pin 6 with an upper die screw hole 10 on the upper forming die 3 through an earmuff screw hole 9, and loading the blanking leather into a lower forming die 7.
The upper forming die 3 presses the leather material into the lower forming die 7, so that the leather material is shaped in the cavities of the upper forming die 3 and the lower forming die 7, and the upper forming die 3 and the lower forming die 7 are locked together by the nut 1 and the gasket 2.
And putting the moulds filled with the leather materials into a tunnel furnace in batches, controlling the temperature of the tunnel furnace to be between 155 and 175 ℃, and controlling the network chain speed of the tunnel furnace to ensure that the time from the putting into to the outlet of the tunnel furnace is 35 to 45 minutes.
And taking out the mold from the tunnel furnace, unscrewing the nut, disassembling the formed upper and lower films, and taking out the formed leather sheath.
Example two:
referring to fig. 1-7, the present invention relates to a high temperature shaping jig for PU skin of speaker earmuffs, further comprising:
the upper die positioning holes 11 are formed in the upper portion of the forming upper die 3, and two upper die positioning holes 11 are formed in the upper die positioning holes 11 and can play a positioning role;
an upper die screw hole 10, the upper die screw hole 10 being provided between the two upper die positioning holes 11,
wherein, the two positioning pins 6 respectively pass through the two earcap positioning holes 8 and the upper die positioning hole 11 to fix the upper forming die 3 and the lower forming die 7,
wherein, the one end of screw rod 5 runs through in earmuff screw 9 and last mould screw 10 and fixed with nut 1, in order to realize with mould 3 is gone up in the shaping with shaping lower mould 7 is fixed, convenient dismantlement and fixed.
Go up mould cylinder hole 14, go up mould cylinder hole 14 set up in the upper portion of mould 3 in the shaping, and the inside of going up mould cylinder hole 14 is used for the installation earmuff cylinder hole 13, easy to assemble, the PU subcutaneous material shaping of being convenient for.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a loudspeaker earmuff PU skin high temperature design tool which characterized in that: the method comprises the following steps:
a lower molding die (7);
the lower die cylinder (12), the lower die cylinder (12) is arranged on one side of the forming lower die (7);
two positioning pins (6) are arranged on the positioning pin (6),
one end of the positioning pin (6) is connected with one end of the lower die cylinder (12);
a screw (5), the screw (5) is arranged between the two positioning pins (6),
the ear cap forming leather (4), and the ear cap forming leather (4) is sleeved in the lower forming die (7);
the earcap cylindrical hole (13) is formed by injection molding with the earcap molding leather (4) in an integrated mode, and the earcap cylindrical hole (13) is sleeved on the upper portion of the lower die cylinder (12);
the number of the ear muff positioning holes (8) is two, and the ear muff positioning holes (8) are arranged on one side of the ear muff cylindrical hole (13);
an earmuff screw hole (9), the earmuff screw hole (9) is arranged between the two earmuff positioning holes (8),
the two positioning pins (6) respectively penetrate through the inner parts of the two earcap positioning holes (8), and the screw rod (5) penetrates through the inner part of the earcap screw hole (9);
the upper molding die (3) is covered on the upper part of the earmuff molding leather (4),
one end of the screw rod (5) penetrates through the upper forming die (3) and is fixed with the nut (1).
2. The loudspeaker earmuff PU skin high temperature design tool of claim 1, characterized in that: further comprising:
the upper die positioning holes (11) are formed in the upper portion of the forming upper die (3), and the number of the upper die positioning holes (11) is two;
an upper die screw hole (10), wherein the upper die screw hole (10) is arranged between the two upper die positioning holes (11),
wherein the two positioning pins (6) respectively penetrate through the two earcap positioning holes (8) and the upper die positioning hole (11) to fix the upper forming die (3) and the lower forming die (7),
one end of the screw rod (5) penetrates through the earmuff screw hole (9) and the upper die screw hole (10) and is fixed with the nut (1), so that the upper die (3) and the lower die (7) are fixed in the forming process.
3. The loudspeaker earmuff PU skin high temperature design tool of claim 2, characterized in that: further comprising:
a gasket (2), the gasket (2) set up in nut (1) with mould (3) in the shaping between.
4. The loudspeaker earmuff PU skin high temperature design tool of claim 3, characterized in that: further comprising:
and the upper die cylindrical hole (14) is arranged at the upper part of the upper forming die (3), and the inner part of the upper die cylindrical hole (14) is used for installing the earmuff cylindrical hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922267148.2U CN211762876U (en) | 2019-12-17 | 2019-12-17 | Loudspeaker earmuff PU skin high temperature design tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922267148.2U CN211762876U (en) | 2019-12-17 | 2019-12-17 | Loudspeaker earmuff PU skin high temperature design tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211762876U true CN211762876U (en) | 2020-10-27 |
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ID=72982678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922267148.2U Active CN211762876U (en) | 2019-12-17 | 2019-12-17 | Loudspeaker earmuff PU skin high temperature design tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211762876U (en) |
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2019
- 2019-12-17 CN CN201922267148.2U patent/CN211762876U/en active Active
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