CN219191038U - Stamping jig for preventing rubber-coated wire from deviating - Google Patents
Stamping jig for preventing rubber-coated wire from deviating Download PDFInfo
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- CN219191038U CN219191038U CN202223375274.8U CN202223375274U CN219191038U CN 219191038 U CN219191038 U CN 219191038U CN 202223375274 U CN202223375274 U CN 202223375274U CN 219191038 U CN219191038 U CN 219191038U
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- die
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model relates to the technical field of stamping jigs, in particular to a stamping jig for preventing rubber-covered wires from deviating, which comprises a top die and a bottom die, wherein the bottom die is formed with a die cavity, the die cavity comprises a head cavity for positioning an earphone head and a linear cavity for positioning wires, the linear cavity is provided with a plurality of supporting blocks which are arranged at intervals, the supporting blocks are formed with supporting grooves which are matched with the shapes of the wires, and the linear cavity is formed with bottom positioning grooves for installing the supporting blocks; an upper die matched with the shape of the die cavity is formed at the bottom of the top die, and a plurality of injection holes are formed in the upper die; the earphone head is positioned in the head cavity respectively, the wire rod is positioned in the wire cavity, the supporting block is inserted into the supporting groove in the wire cavity, the wire rod of the earphone is supported and positioned by the supporting groove formed by the supporting block, the wire rod is supported and positioned in a sectionalized mode through the supporting block, and when the earphone head is injection molded, the wire rod is positioned by the supporting groove of the supporting block and cannot shift, so that the plastic can surround the wire rod, the edge of the wire rod cannot be exposed, and the wire rod is effectively protected.
Description
Technical Field
The utility model relates to the technical field of stamping tools, in particular to a stamping tool for preventing rubber-coated wires from deviating.
Background
The wireless earphone is characterized in that a middle wire is replaced by electric waves, the wireless earphone is connected to a transmitting end from an audio outlet of a computer, and then the transmitting end transmits the electric waves to an earphone of a receiving end, wherein the receiving end is a radio, and the conventional portable wireless earphone is usually in a hanging mode and a hanging neck mode; wherein the left earphone head and the right earphone head of the neck hanging earphone are connected through wires.
In order to protect the wire rod, the wire rod needs to be encapsulated, when the wire rod is encapsulated, the wire rod of the earphone is usually encapsulated by adopting a stamping injection molding jig, when the wire rod is encapsulated, the wire rod is placed into a die cavity of a die, and then the wire rod is subjected to injection molding and pressing in the die cavity, so that the encapsulation quality is better, and the labor cost can be saved.
When the die cavity of the existing punching injection molding jig is subjected to injection molding and pressing, the wire rod can deviate in the die cavity, so that the wire rod of the deviation part cannot be completely encapsulated by the soft rubber after injection molding, some wire rods are exposed outwards, the appearance is affected, and the exposed part is easy to wear and damage, so that the service life of the earphone is not high.
Disclosure of Invention
The utility model aims to provide a stamping jig for preventing rubber-coated wires from deviating aiming at the defects of the prior art.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the stamping jig comprises a top die and a bottom die, wherein the bottom die is provided with a die cavity, the die cavity comprises a head cavity for positioning an earphone head and a linear cavity for positioning wires, the linear cavity is provided with a plurality of supporting blocks which are arranged at intervals, the supporting blocks are provided with supporting grooves matched with the shapes of the wires in a forming mode, and the linear cavity is provided with bottom positioning grooves for installing the supporting blocks; the bottom of the top die is provided with an upper die which is matched with the shape of the die cavity, and the upper die is provided with a plurality of injection holes.
Further: the bottom die is provided with a plurality of raised guide posts, compression springs are nested on the guide posts, and the top die is formed with guide holes which are coaxially aligned with the guide posts and are in sliding fit with the guide posts.
Further: the top of the compression spring is provided with a gasket block.
Further: the injection molding groove is formed at the top of the top die, and the injection molding hole is formed at the bottom of the injection molding groove.
Further: the bottom of the support block is provided with a first connecting hole, the bottom die is provided with a bottom connecting hole communicated with the bottom positioning groove, the bottom connecting hole is coaxially aligned with the first connecting hole, and the bottom of the bottom die is provided with a connecting rod penetrating through the bottom connecting hole and connected with the first connecting hole.
Further: the top of the bottom die is provided with a waste discharge groove for discharging waste rubber, two ends of the waste discharge groove extend to the side wall of the bottom die, and the waste discharge groove is communicated with the linear cavity.
Further: the end part of the wire cavity is provided with a positioning block for positioning the wire, and the positioning block separates the wire cavity from the head cavity.
Further: and a material pressing plate is arranged at the top of the top die, and a glue injection hole communicated with the injection groove is formed in the material pressing plate.
Further: the line cavity and the supporting groove are of arc-shaped structures, and the arc-shaped grooves are arranged along the axis of the line cavity.
The utility model has the beneficial effects that: the neck-hanging earphone needing to be encapsulated is placed into the die cavity, the earphone head is respectively positioned in the head cavity, the wire rod is positioned in the wire cavity, the supporting block is inserted into the supporting groove in the wire cavity, the wire rod of the earphone is supported and positioned by the supporting groove formed by the supporting block, the wire rod is supported and positioned in a segmented mode through the supporting block, after the die cavity and the bottom die are closed by the upper die pressing of the bottom of the top die, the injection molding is carried out through the injection molding hole, and when the injection molding is carried out, the wire rod is positioned by the supporting groove of the supporting block and cannot shift, so that the wire rod can be surrounded by plastic, the edge of the wire rod cannot be exposed, and the wire rod is effectively protected.
Drawings
Fig. 1 is a schematic structural diagram of a stamping jig.
Fig. 2 is an exploded view of the press tool.
Fig. 3 is a schematic view of the structure when the top die is separated from the pressing plate.
Fig. 4 is a schematic view of an exploded structure of the bottom mold.
The reference numerals include:
1-top mold,
11-a material pressing plate, 12-a glue injection hole, 13-an injection molding groove, 14-an upper die, 15-a guide hole, 16-a male die,
17-injection molding hole,
2-bottom die,
20-die cavity, 21-wire die cavity, 22-head cavity, 23-supporting block, 24-supporting groove, 25-bottom positioning groove, 26-first connecting hole, 27-bottom connecting hole, 28-connecting rod,
3-waste discharge groove,
31-positioning block, 32-guiding column, 33-compression spring, 34-gasket block.
Detailed Description
The present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-4, a stamping jig for preventing rubber coated wires from deviating comprises a top die 1 and a bottom die 2, wherein the bottom die 2 is formed with a die cavity 20, the bottom of the top die 1 is formed with an upper die 14 with a shape matched with that of the die cavity 20, the upper die 14 is formed with a plurality of injection holes 17, an injection groove 13 is formed at the top of the top die 1, the injection holes 17 are formed at the bottom of the injection groove 13, a pressing plate 11 is arranged at the top of the top die 1, and the pressing plate 11 is formed with a rubber injection hole 12 communicated with the injection groove 13.
The bottom of the material pressing plate 11 is provided with a male die 16 with the shape matched with that of the injection groove 13, the material pressing plate 11 is connected with the top die 1, the glue injection hole 12 is communicated with the injection groove 13 of the top die 1, the upper die 14 of the top die 1 is connected with the die cavity 20 of the bottom die 2, die assembly is realized, and injection molding materials can be injected into the die cavity 20 through the glue injection hole 12, so that injection molding is realized.
During die assembly, the bottom die 2 is provided with a plurality of raised guide posts 32, compression springs 33 are nested on the guide posts 32, gasket blocks 34 are arranged at the tops of the compression springs 33, the top die 1 is provided with guide holes 15 which are coaxially aligned with the guide posts 32 and are in sliding fit with the guide posts 32, the gasket blocks 34 provided with the compression springs 33 are propped against the guide holes 15, during die assembly, the top die 1 moves longitudinally along the guide posts 32, and during die assembly, the compression springs 33 can improve buffering force and prevent the bottom die 2 from being damaged due to huge impact force of the top die 1.
The die cavity 20 comprises a head cavity 22 for positioning the earphone head and a linear cavity 21 for positioning the wire rod, wherein the linear cavity 21 is provided with a plurality of supporting blocks 23 which are arranged at intervals, the supporting blocks 23 are formed with supporting grooves 24 which are matched with the wire rod in shape, the linear cavity 21 and the supporting grooves 24 are of arc structures, and the arc grooves are arranged along the axis of the linear cavity 21; after the earphone needing to be encapsulated is placed into the die cavity 20, the wire is supported and positioned through the supporting block 23, and the supporting groove 24 on the supporting block 23 is arc-shaped and is coaxially aligned with the arc-shaped wire die cavity 21, so that the wire positioned through the supporting groove 24 is in a centered state in the wire die cavity 21; when the plastic coating is performed, the wire rod can not shift, the plastic coating material can surround the wire rod, the edge can not be exposed, and the wire rod is effectively protected.
After the demolding, the wire rod is surrounded in sections, the primary encapsulation is realized, then the earphone after the primary encapsulation is finished is further placed into a common mold for secondary encapsulation, the support block 23 is not required to be used for positioning during secondary encapsulation, the earphone is directly placed into the mold cavity 20 for secondary encapsulation, and the remaining exposed part can be filled and encapsulated, so that the wire rod can be completely encapsulated.
The wire cavity 21 is formed with a bottom positioning groove 25 for installing the supporting block 23, the bottom of the supporting block 23 is formed with a first connecting hole 26, the bottom die 2 is formed with a bottom connecting hole 27 communicated with the bottom positioning groove 25, the bottom connecting hole 27 is coaxially aligned with the first connecting hole 26, and a connecting rod 28 penetrating through the bottom connecting hole 27 and connected with the first connecting hole 26 is installed at the bottom of the bottom die 2.
In this embodiment, the supporting block 23 installed in the mold cavity 20 can be connected and fixed by the inserted connecting rod 28, the connecting rod 28 passes through the bottom connecting hole 27 and is in threaded connection with the first connecting hole 26 of the supporting block 23, the supporting block 23 can be fixed on the bottom positioning groove 25 of the mold cavity 20, the stability of the supporting block 23 is improved, the supporting stability of the wire rod is further improved during injection molding encapsulation, and the probability of displacement is further reduced.
The top of the bottom die 2 is provided with a waste discharge groove 3 for discharging waste rubber, two ends of the waste discharge groove 3 extend to the side wall of the bottom die 2, and the waste discharge groove 3 is communicated with the wire cavity 21. The superfluous plastic injection can be discharged outwards along the waste discharge groove 3, accumulation in the die is prevented, a positioning block 31 for positioning wires is formed at the end part of the wire cavity 21, the wire cavity 21 and the head cavity 22 are separated by the positioning block 31, plastic injection is prevented from entering the head cavity 22 to encapsulate the earphone head, and the encapsulation quality is improved.
In view of the above, the present utility model has the above-mentioned excellent characteristics, so that it can be used to improve the performance and practicality of the prior art, and is a product with great practical value.
The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.
Claims (9)
1. Prevent punching press tool of rubber coating wire rod deviation, including top mould and die block, its characterized in that: the bottom die is provided with a die cavity, the die cavity comprises a head cavity for positioning the earphone head and a linear cavity for positioning the wire rod, the linear cavity is provided with a plurality of supporting blocks which are arranged at intervals, the supporting blocks are provided with supporting grooves which are matched with the wire rod in shape, and the linear cavity is provided with bottom positioning grooves for installing the supporting blocks; the bottom of the top die is provided with an upper die which is matched with the shape of the die cavity, and the upper die is provided with a plurality of injection holes.
2. The stamping jig for preventing deviation of rubber-coated wires according to claim 1, wherein: the bottom die is provided with a plurality of raised guide posts, compression springs are nested on the guide posts, and the top die is formed with guide holes which are coaxially aligned with the guide posts and are in sliding fit with the guide posts.
3. The stamping jig for preventing deviation of rubber-coated wires according to claim 2, wherein: the top of the compression spring is provided with a gasket block.
4. The stamping jig for preventing deviation of rubber-coated wires according to claim 3, wherein: the injection molding groove is formed in the top of the top die, and the injection molding hole is formed in the bottom of the injection molding groove.
5. The stamping jig for preventing deviation of rubber-coated wires according to claim 1, wherein: the bottom die is provided with a bottom connecting hole communicated with the bottom positioning groove, the bottom connecting hole is coaxially aligned with the first connecting hole, and the bottom of the bottom die is provided with a connecting rod penetrating through the bottom connecting hole and connected with the first connecting hole.
6. The stamping jig for preventing deviation of rubber-coated wires according to claim 1, wherein: the bottom die top is formed with a waste discharge groove for discharging waste rubber, two ends of the waste discharge groove extend to the side wall of the bottom die, and the waste discharge groove is communicated with the linear cavity.
7. The stamping jig for preventing deviation of rubber-coated wires according to claim 1, wherein: a positioning block for positioning the wire rod is formed at the end part of the linear cavity, and separates the linear cavity from the head cavity.
8. The stamping jig for preventing deviation of rubber-coated wires according to claim 1, wherein: and a material pressing plate is arranged at the top of the top die, and a glue injection hole communicated with the injection groove is formed in the material pressing plate.
9. The stamping jig for preventing deviation of rubber-coated wires according to claim 1, wherein: the line cavity and the supporting groove are of arc-shaped structures, and the arc-shaped grooves are arranged along the axis of the line cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223375274.8U CN219191038U (en) | 2022-12-15 | 2022-12-15 | Stamping jig for preventing rubber-coated wire from deviating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223375274.8U CN219191038U (en) | 2022-12-15 | 2022-12-15 | Stamping jig for preventing rubber-coated wire from deviating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219191038U true CN219191038U (en) | 2023-06-16 |
Family
ID=86713342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223375274.8U Active CN219191038U (en) | 2022-12-15 | 2022-12-15 | Stamping jig for preventing rubber-coated wire from deviating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219191038U (en) |
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2022
- 2022-12-15 CN CN202223375274.8U patent/CN219191038U/en active Active
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