CN212194026U - Prevent that product from appearing welding fracture's mould - Google Patents
Prevent that product from appearing welding fracture's mould Download PDFInfo
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- CN212194026U CN212194026U CN202020852461.2U CN202020852461U CN212194026U CN 212194026 U CN212194026 U CN 212194026U CN 202020852461 U CN202020852461 U CN 202020852461U CN 212194026 U CN212194026 U CN 212194026U
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Abstract
The utility model discloses a mould for preventing products from generating fusion fracture, which comprises a male mould core and a product forming cavity arranged on the male mould core, wherein one end of the product forming cavity is provided with a glue inlet point, and the glue inlet point is connected with a flow passage; one side that the point was glued in keeping away from in the product shaping chamber is provided with screw shaping post, one side that the point was glued in keeping away from in screw shaping post is provided with the heating rod, the heating rod is located the bottom in product shaping chamber to be connected with the supporting shoe that public mould benevolence one side set up. The utility model can not only locally heat the molding cavity through the heating rod arranged at the tail end of the screw hole at one side of the molding cavity far away from the glue inlet point so as to facilitate the flowing and fusion of the plastic and reduce the occurrence of weld marks, but also facilitate the flowing of the plastic by the exhaust at the tail end of the molding cavity, thereby improving the quality of products; and the water route of heating rod bottom can be convenient for the heating rod after the shaping to cool down, effectively shortens the fashioned cycle of product.
Description
Technical Field
The utility model relates to an injection mold field especially relates to a prevent that the cracked mould of butt fusion from appearing in product.
Background
At present, when an injection mold is used for molding a slender product with screw holes, the screw hole position on one side far away from a glue inlet point is easy to generate welding marks and cracking phenomena, the reason is mainly that the temperature of the flowing front end of plastic is reduced because the hot-melted plastic flows in a molding cavity for too long time, cold materials cannot be fused together at the tail end of the screw hole formed by the product, and therefore the welding marks and the cracking phenomena are formed in the product. When the screw hole is used, the position of the welding mark part of the screw hole is easy to break after being stressed, and the assembly of a product is seriously influenced. In view of the above, there is a need to develop a mold for preventing fusion fracture of a product.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems in the prior art and provide a mould for preventing the product from being welded and broken, compared with the prior art, the utility model has the advantages of novel design and reasonable structure, and not only can locally heat the forming cavity through the heating rod arranged at the tail end of the screw hole on one side of the forming cavity away from the glue inlet point so as to facilitate the flowing and fusion of the plastic cement, reduce the occurrence of welding marks, but also facilitate the flowing of the plastic cement through the exhaust at the tail end of the forming cavity, thereby improving the quality of the product; and the water route of heating rod bottom can be convenient for the heating rod after the shaping to cool down, effectively shortens the fashioned cycle of product.
For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
a mold for preventing a product from being welded and broken comprises a male mold core and a product forming cavity arranged on the male mold core, wherein one end of the product forming cavity is provided with a glue inlet point, and the glue inlet point is connected with a flow passage; one side that the point was glued in keeping away from in the product shaping chamber is provided with screw shaping post, one side that the point was glued in keeping away from in screw shaping post is provided with the heating rod, the heating rod is located the bottom in product shaping chamber to be connected with the supporting shoe that public mould benevolence one side set up. Adopt this technical scheme, the heating rod that sets up is used for the local heating of product shaping chamber, makes product shaping chamber keep away from into one side heating of gluing the point to plastic after the hot melt flows in product shaping chamber, and the one side that leads to at product tail end screw shaping post produces the weld mark because of the cooling of plastic in order to reduce, makes its atress fracture when using. Wherein, integrated temperature sensor on the heating rod for detect the heating temperature of heating rod.
Preferably, the distance between the heating rod and the product forming cavity is set to be 5-8mm, the bottom of the heating rod is provided with a cooling water path, and the distance between the cooling water path and the heating rod is set to be 3-5 mm. By adopting the technical scheme, the processing and cooling of the product forming cavity are facilitated.
Preferably, one side of the core insert is provided with a sealing hole and a heating hole, the heating hole is connected with the heating rod, and the sealing hole is connected with the supporting block. By adopting the technical scheme, the heating rod and the supporting block can be conveniently installed and fixed; wherein, the heating hole is filled with heat conduction silica gel, and is convenient for the heating rod to transfer the temperature to the mould core.
Preferably, the supporting block is a ceramic heat insulation block, one side of the ceramic heat insulation block is connected with the heating rod, and the other side of the ceramic heat insulation block is provided with a power line connected with the heating rod. By adopting the technical scheme, the ceramic heat insulation block is convenient for reducing the heat transfer; the power cord is used for supplying power for the heating rod to the heating rod heating of being convenient for.
Preferably, an exhaust groove is further formed in one side, away from the glue inlet point, of the product forming cavity. By adopting the technical scheme, the filling of the product forming cavity is facilitated.
The utility model has the advantages that: compared with the prior art, the heating device has the advantages that the design is novel, the structure is reasonable, the forming cavity can be locally heated through the heating rod arranged at the tail end of the screw hole at one side of the forming cavity, which is far away from the glue inlet point, so that the flowing and fusion of plastic cement are facilitated, the occurrence of welding marks is reduced, the tail end of the forming cavity is exhausted, the flowing of the plastic cement is facilitated, and the quality of a product is improved; and the water route of heating rod bottom can be convenient for the heating rod after the shaping to cool down, effectively shortens the fashioned cycle of product.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented according to the content of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a schematic structural diagram related to the present invention;
fig. 2 is a schematic view of a partial cross-sectional structure according to the present invention.
The reference numbers in the figures illustrate: the core insert comprises a core insert 1, a product forming cavity 2, a glue inlet point 3, a flow channel 4, a screw hole forming column 5, a heating rod 6, a supporting block 7, a cooling water path 8, an exhaust groove 9 and an exhaust avoiding groove 10.
Detailed Description
The invention is further described with reference to the accompanying drawings:
referring to fig. 1 to 2, a mold for preventing a product from being fractured by welding comprises a core insert 1 and a product forming cavity 2 arranged on the core insert 1, wherein a glue inlet point 3 is arranged at one end of the product forming cavity 2, and the glue inlet point 3 is connected with a flow passage 4; one side that the gluey point 3 was kept away from in product shaping chamber 2 is provided with screw shaping post 5, one side that gluey point 3 was kept away from in screw shaping post 5 is provided with heating rod 6, heating rod 6 is located the bottom in product shaping chamber 2 to be connected with supporting shoe 7 that core insert 1 one side set up. Adopt this technical scheme, the heating rod 6 that sets up is used for the local heating of product shaping chamber 2, makes product shaping chamber 2 keep away from into one side heating of gluey point 3 to plastic after the hot melt flows in product shaping chamber 2, leads to producing the weld mark in one side of product tail end screw shaping post 5 with the reduction because of the cooling of plastic, makes its atress fracture when using. Wherein, the heating rod 6 is integrated with a temperature sensor for detecting the heating temperature of the heating rod 6.
Preferably, the distance between the heating rod 6 and the product forming cavity 2 is set to be 5-8mm, the bottom of the heating rod 6 is provided with a cooling water path 8, and the distance between the cooling water path 8 and the heating rod 6 is set to be 3-5 mm. By adopting the technical scheme, the processing and cooling of the product forming cavity 2 are facilitated.
Preferably, one side of the core insert 1 is provided with a sealing hole and a heating hole, the heating hole is connected with the heating rod 6, and the sealing hole is connected with the supporting block 7. By adopting the technical scheme, the heating rod 6 and the supporting block 7 are convenient to mount and fix; wherein, the heating hole is filled with heat-conducting silica gel, and the heating rod 6 is convenient for transferring temperature to the die core.
Preferably, the supporting block 7 is a ceramic heat insulation block, one side of the ceramic heat insulation block is connected with the heating rod 6, and the other side of the ceramic heat insulation block is provided with a power line connected with the heating rod 6. By adopting the technical scheme, the ceramic heat insulation block is convenient for reducing the heat transfer; the power cord is used for supplying power to the heating rod 6 so that the heating rod 6 can be heated.
Preferably, an exhaust groove 9 is further formed in one side, away from the glue inlet point 3, of the product forming cavity 2. By adopting the technical scheme, the product forming cavity 2 is convenient to fill.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The product is when injection moulding, keep away from the one end of advancing gluey point for the shaping chamber through the heating rod that sets up and heat, the plastic that makes after the hot melt is runner in product shaping chamber, in order to fill product shaping chamber rapidly, the tail end plastic that makes product shaping chamber fuses together, treat that product shaping chamber fills the back, its heating rod stop heating, the cooling water route that is located the heating rod bottom begins to flow in order to take away the produced high temperature of heating rod, thereby make the tail end in shaping chamber cool down in advance, then, the annular water route that sets up on the public mould benevolence of rethread is for the whole cooling down in shaping chamber, thereby make the quick cooling shaping of product in the shaping chamber.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. The utility model provides a prevent that welding fracture's mould from appearing in product, includes core insert (1) and sets up product molding cavity (2) on core insert (1), its characterized in that: a glue inlet point (3) is arranged at one end of the product forming cavity (2), and the glue inlet point (3) is connected with the flow channel (4); one side that glue point (3) was kept away from in product shaping chamber (2) is provided with screw shaping post (5), one side that glue point (3) was kept away from in screw shaping post (5) is provided with heating rod (6), heating rod (6) are located the bottom in product shaping chamber (2) to be connected with supporting shoe (7) that public mould benevolence (1) one side set up.
2. The mold for preventing fusion breakage of a product according to claim 1, wherein: the distance between the heating rod (6) and the product forming cavity (2) is set to be 5-8mm, a cooling water path (8) is arranged at the bottom of the heating rod (6), and the distance between the cooling water path (8) and the heating rod (6) is set to be 3-5 mm.
3. The mold for preventing fusion breakage of a product according to claim 1, wherein: one side of the core insert (1) is provided with a sealing hole and a heating hole, the heating hole is connected with the heating rod (6), and the sealing hole is connected with the supporting block (7).
4. The mold for preventing fusion breakage of a product according to claim 1, wherein: the supporting block (7) is arranged to be a ceramic heat insulation block, one side of the ceramic heat insulation block is connected with the heating rod (6), and the other side of the ceramic heat insulation block is provided with a power line connected with the heating rod (6).
5. The mold for preventing fusion breakage of a product according to claim 1, wherein: and an exhaust groove (9) is further formed in one side, far away from the glue inlet point (3), of the product forming cavity (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020852461.2U CN212194026U (en) | 2020-05-20 | 2020-05-20 | Prevent that product from appearing welding fracture's mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020852461.2U CN212194026U (en) | 2020-05-20 | 2020-05-20 | Prevent that product from appearing welding fracture's mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212194026U true CN212194026U (en) | 2020-12-22 |
Family
ID=73817166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020852461.2U Active CN212194026U (en) | 2020-05-20 | 2020-05-20 | Prevent that product from appearing welding fracture's mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212194026U (en) |
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2020
- 2020-05-20 CN CN202020852461.2U patent/CN212194026U/en active Active
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