CN210477651U - Liquid silica gel globe handicraft mould - Google Patents
Liquid silica gel globe handicraft mould Download PDFInfo
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- CN210477651U CN210477651U CN201921242092.9U CN201921242092U CN210477651U CN 210477651 U CN210477651 U CN 210477651U CN 201921242092 U CN201921242092 U CN 201921242092U CN 210477651 U CN210477651 U CN 210477651U
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- mould
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- globe
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Abstract
The utility model discloses a liquid silica gel globe handicraft mould, including front mould benevolence board and back mould benevolence board, front mould benevolence board is equipped with the first half recess of die cavity, back mould benevolence board is equipped with the latter half recess of die cavity, front mould benevolence board top is range upon range of the front mould hot plate that is provided with in proper order, front mould bedplate and last heat insulating board, back mould benevolence board below is range upon range of the back mould hot plate that is provided with in proper order, back mould bedplate and lower heat insulating board, front mould hot plate, front mould bedplate and last heat insulating board are equipped with the needle valve passageway that is linked together, the recessed accepting groove that forms one and is linked together with the needle valve passageway of front mould benevolence board, the accepting groove is through the die cavity intercommunication of an injecting glue runner and mould, when installing this mould to the injection molding machine, the needle valve holding on the. Compared with the existing liquid silica gel mold, the needle valve cold runner system is not needed, parts such as a cold runner plate and the like are omitted, the mold structure is greatly simplified, and the cost is lower.
Description
Technical Field
The utility model relates to a liquid silica gel mould technical field especially relates to a liquid silica gel globe handicraft mould.
Background
Fig. 1 is a globe artwork made of liquid silica gel, the surface of which is provided with a world map relief, and the normal direction of the relief is vertical to the surface with a spherical appearance. Because the longitude and latitude of the appearance of the product are normal to the appearance surface of the product and have a plurality of sharp corners, a die cavity for manufacturing the product cannot be processed even if five-axis linkage processing is adopted, and the product cannot be produced by the conventional process at present.
The injection molding mold of the liquid silica gel product is divided into a cold runner mold and a hot runner mold, the hot runner mold is simple in design and low in manufacturing cost, and a large amount of waste materials are generated in the production process, so that the hot runner mold is mostly used for producing large products; the cold runner mold has a thin water gap, is cooled through water circulation, is matched with a runner plate during production, is more expensive than the runner plate in manufacturing cost, can reduce the generation of waste materials, saves raw materials, reduces the production cost, and is suitable for mass production of products. The product shown in fig. 1 requires mass production and therefore cold runner dies are considered to save raw materials.
The existing cold runner mold is internally provided with a needle valve, so that the cold runner mold is complex in structure, more in used plates, large in size and high in cost. Some manufacturers are known to design needle valves capable of being directly assembled on an injection molding machine, and the liquid silicone mold is matched with the needle valves for use, so that a cold runner system is not required to be arranged on the liquid silicone mold, and the mold structure is greatly simplified.
For the above reasons, the present inventor designed a liquid silicone mold for producing the product shown in fig. 1.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a liquid silica gel globe handicraft mould, the needle valve that the cooperation was directly assembled to the injection molding machine uses, its simple structure, the processing cost is low, the product yield is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a liquid silica gel globe handicraft mould, including front mould benevolence board and back mould benevolence board, front mould benevolence board is equipped with the first half recess of die cavity, back mould benevolence board is equipped with the latter half recess of die cavity, front mould benevolence board top is range upon range of in proper order and is provided with the front mould hot plate, front mould bedplate and last heat insulating board, back mould benevolence board below is range upon range of in proper order and is provided with the back mould hot plate, back mould bedplate and lower heat insulating board, front mould hot plate, front mould bedplate and last heat insulating board are equipped with the needle valve passageway that is linked together, the recessed accepting groove that forms one and is linked together with the needle valve passageway of front mould benevolence board, the accepting groove is through the die cavity intercommunication of a injecting glue runner and mould, when installing this mould to the injection molding machine, needle valve.
Furthermore, the needle valve has a spherical nozzle with accepting groove diapire butt, and the curved surface radius of accepting groove department of butt spherical nozzle is greater than spherical nozzle's spherical radius, the bore of injecting glue runner is greater than the play gluey bore of needle valve.
Furthermore, a mold core assembly is contained in a cavity formed by combining the front mold core plate and the rear mold core plate, the mold core assembly comprises a connecting block positioned in the middle and two inserts with smooth spherical surfaces respectively assembled at two ends of the connecting block, a relief perpendicular to a world map of the smooth spherical surfaces is arranged on the inner wall of the groove of the front mold core plate corresponding to the smooth spherical surfaces of the inserts, and a cavity is formed in an area between the relief and the smooth spherical surfaces.
Furthermore, the connecting block below disposes a ejector pin with the connecting block rigid coupling, and a spring is supported to the ejector pin below, and the spring is compressed by the ejector pin during the compound die, and the spring bounce-back promotes the ejector pin rebound during the die sinking, and then promotes the relative back mould benevolence board protrusion of core subassembly so that take out the product.
Furthermore, the insert is provided with a concave part, an insert is embedded in the concave part, the surface of the insert is provided with three transverse convex edges, one convex edge is contacted with the inner wall of the front mold core plate, and a product groove is formed at the position corresponding to the convex edge.
Furthermore, a temperature sensing line for detecting the temperature of the cavity is arranged on the front mold core plate and/or the rear mold core plate.
Furthermore, heating rods are arranged in the front die heating plate and the rear die heating plate.
Furthermore, four corners of the front mold heating plate corresponding to the front mold core plate are provided with four groups of threaded holes, four corners of the rear mold heating plate corresponding to the rear mold core plate are provided with four groups of threaded holes, each group of threaded holes comprises a plurality of threaded holes, the front mold core plate is locked with the front mold heating plate through screws, and the rear mold core plate is locked with the rear mold heating plate through screws.
Compared with the prior art, the utility model has the advantages of it is following:
1. compared with the existing liquid silica gel mold, the needle valve cold runner system is not needed, parts such as a cold runner plate and the like are omitted, and the mold structure is greatly simplified. The die has the advantages of simple structure, low processing cost and high product yield.
2. And printing a mould with the product appearance by adopting a 3D printer, then casting a front mould core plate and a rear mould core plate by adopting a steel casting process, and performing finish machining on the inner wall of the mould cavity. Adopts high and new technology to produce the product which can not be produced by the conventional process at present.
3. Be equipped with screw thread punch combination on front mould hot plate and the back mould hot plate, change front mould benevolence board and back mould benevolence board and core subassembly and can produce the product of other specifications, easy dismounting has better practicality.
Drawings
FIG. 1 shows a liquid silica gel globe artwork;
FIG. 2 is a perspective view of a liquid silica gel globe artwork mold according to an embodiment of the present invention;
FIG. 3 is a half sectional view of a liquid silica gel globe artwork mold according to an embodiment of the present invention;
FIG. 4 is a partial perspective view of a liquid silica gel globe artwork mold according to an embodiment of the present invention;
FIG. 5 is a half sectional view of a liquid silica gel globe artwork mold in accordance with an embodiment of the present invention in cooperation with a needle valve;
Detailed Description
The present invention will now be further described with reference to the accompanying drawings and specific embodiments.
Fig. 1 shows a liquid silica gel globe artwork, the longitude and latitude of which are normal to the appearance surface. Fig. 2 to 5 show a liquid silicone globe artwork mold for manufacturing the product, which comprises a front mold core plate 4 and a rear mold core plate 5, wherein the front mold core plate 4 is provided with an upper half groove of a cavity 12, the rear mold core plate 5 is provided with a lower half groove of the cavity 12, a front mold heating plate 3, a front mold seat plate 2 and an upper heat insulation plate 1 are sequentially stacked above the front mold core plate 4, a rear mold heating plate 6, a rear mold seat plate 7 and a lower heat insulation plate 8 are sequentially stacked below the rear mold core plate 5, the front mold heating plate 3, the front mold seat plate 2 and the upper heat insulation plate 1 are provided with needle valve channels 9 communicated with each other, a containing groove 10 communicated with the needle valve channels 9 is formed by the downward sinking of the front mold core plate 4, the containing groove 10 is communicated with the cavity 12 of the mold through a glue injection flow channel 11, when the mold is mounted on an injection molding machine, a needle valve 13 on the injection machine is contained in the needle valve channel 9, the discharge port of the needle valve 13 is communicated with the glue injection runner 11.
Because the longitude and latitude of the appearance of the product are normal to the appearance surface of the product and have a plurality of sharp corners, the die cavity 12 for manufacturing the product can not be processed even if five-axis linkage processing is adopted. In this embodiment, a 3D printer is used to print a mold with the appearance of a product, and then a cast steel process is used to cast the front core plate 4 and the rear core plate 5, and the inner wall of the cavity 12 is finished. Adopts high and new technology to produce the product which can not be produced by the conventional process at present.
More specifically, the needle valve 13 assembled to the injection molding machine has a spherical nozzle abutting against the bottom wall of the receiving groove 10, the radius of the curved surface of the receiving groove 10 abutting against the spherical nozzle is larger than the spherical radius of the spherical nozzle, and the diameter of the glue injection flow passage 11 is larger than the glue outlet diameter of the needle valve 13.
As shown in fig. 4 and 5, in the present embodiment, a cavity formed by combining the front core plate 4 and the rear core plate 5 accommodates a core assembly, the core assembly includes a connecting block 14 located in the middle and two inserts 15 with smooth spherical surfaces respectively assembled at two ends of the connecting block 14, a relief normal to the world map of the smooth spherical surfaces is provided on the inner wall of the groove of the front core plate 4 corresponding to the smooth spherical surfaces of the inserts 15, and a cavity 12 is formed in an area between the relief and the smooth spherical surfaces, that is, the mold provided in the present embodiment has two cavities 12. It will be appreciated that the number of cavities 12 can be adapted according to the requirements of the actual production.
In order to take out a product conveniently, preferably, a top rod 16 fixedly connected with the connecting block 14 is arranged below the connecting block 14, a spring is abutted below the top rod 16, the spring is compressed by the top rod 16 during mold closing, the spring rebounds to push the top rod 16 to move upwards during mold opening, and then the core assembly is pushed to protrude relative to the rear mold core plate 5 so as to take out the product. The product ejecting mechanism is a common mechanism on the injection mold, and the specific installation mode of the ejector rod 16 and the spring can be designed by referring to the prior art, and is not described in detail herein.
The product can be sleeved on a water cup made of metal, ceramic or glass for heat insulation and skid resistance. Because silica gel is softer and has stronger adsorption force on metal, ceramic and glass, the silica gel is difficult to take down from a water cup and a metal core made of metal, ceramic or glass. Therefore, preferably, the insert 15 is provided with a concave part, an insert 18 is embedded in the concave part, and the surface of the insert 18 is provided with three transverse convex edges, wherein one convex edge is contacted with the inner wall of the front mold core plate 4, and a groove of the globe handicraft is formed at the position corresponding to the convex edge. The product can be conveniently taken out from the mold core by utilizing the groove, and can also be conveniently taken down from a water cup made of metal, ceramic or glass.
In this embodiment, the front core plate 4 or the rear core plate 5 is provided with a temperature sensing line for detecting the temperature of the cavity 12, and the front core plate 4 and the rear core plate 5 may be provided with an emotion line.
In this embodiment, heat generating rods are provided in the front mold heating plate 3 and the rear mold heating plate 6.
The utility model provides a mould simple structure, the processing cost is lower, and the product yield is higher. In order to cooperate with the production of products with different dimensions, preferably, four sets of threaded holes 17 are formed in the front mold heating plate 3 corresponding to four corners of the front mold core plate 4, four sets of threaded holes 17 are formed in the rear mold heating plate 6 corresponding to four corners of the rear mold core plate 5, each set of threaded hole 17 includes a plurality of threaded holes 17, the front mold core plate 4 is locked with the front mold heating plate 3 through screws, and the rear mold core plate 5 is locked with the rear mold heating plate 6 through screws. Through the core subassembly of changing front mould benevolence board 4 and back mould benevolence board 5 and looks adaptation, can be used for producing the globe handicraft of other sizes or other kinds of liquid silica gel products with this mould, easy dismounting has better practicality.
The above description is only an embodiment utilizing the technical content of the present disclosure, and any modification and variation made by those skilled in the art can be covered by the claims of the present disclosure, and not limited to the embodiments disclosed.
Claims (8)
1. The utility model provides a liquid silica gel globe handicraft mould which characterized in that: including front mould benevolence board and back mould benevolence board, front mould benevolence board is equipped with the first half recess of die cavity, back mould benevolence board is equipped with the latter half recess of die cavity, front mould benevolence board top is range upon range of in proper order and is provided with the front mould hot plate, front mould bedplate and last heat insulating board, back mould benevolence board below is range upon range of in proper order and is provided with the back mould hot plate, back mould bedplate and lower heat insulating board, the front mould hot plate, front mould bedplate and last heat insulating board are equipped with the needle valve passageway that is linked together, the recessed accepting groove that forms one and be linked together with the needle valve passageway of front mould benevolence board, the accepting groove is through the die cavity intercommunication of an injecting glue runner and mould, when installing this mould to the injection molding machine, the needle valve holding.
2. The liquid silica gel globe artwork mold of claim 1, wherein: the needle valve has a spherical nozzle with accepting groove diapire butt, and the curved surface radius of accepting groove department of butt spherical nozzle is greater than spherical nozzle's spherical radius, the bore of injecting glue runner is greater than the play gluey bore of needle valve.
3. The liquid silica gel globe artwork mold of claim 1, wherein: the mold core assembly comprises a connecting block positioned in the middle and two inserts with smooth spherical surfaces respectively assembled at two ends of the connecting block, the inner wall of the groove of the front mold core plate is provided with a relief perpendicular to a world map of the smooth spherical surfaces in a normal direction corresponding to the smooth spherical surfaces of the inserts, and a cavity is formed in an area between the relief and the smooth spherical surfaces.
4. The liquid silica gel globe artwork mold of claim 3, wherein: the connecting block below disposes an ejector pin with the connecting block rigid coupling, and a spring of ejector pin below butt, the spring is compressed by the ejector pin during the compound die, and the spring bounce-back promotes the ejector pin rebound during the die sinking, and then promotes the relative back mould benevolence board of core subassembly and bulge so that take out the product.
5. The liquid silica gel globe artwork mold of claim 3, wherein: the insert is provided with a concave part, an insert is embedded in the concave part, the surface of the insert is provided with three transverse convex edges, one convex edge is contacted with the inner wall of the front mold core plate, and a product groove is formed at the position corresponding to the convex edge.
6. The liquid silica gel globe artwork mold of claim 1, wherein: and the front mold core plate and/or the rear mold core plate are/is provided with temperature sensing lines for detecting the temperature of the mold cavity.
7. The liquid silica gel globe artwork mold of claim 1, wherein: and heating rods are arranged in the front die heating plate and the rear die heating plate.
8. The liquid silica gel globe artwork mold of claim 1, wherein: four corners that correspond front mould benevolence board on the front mould hot plate are equipped with four group's screw holes, and four corners that correspond back mould benevolence board on the back mould hot plate are equipped with four group's screw holes, and every group screw hole includes a plurality of screw holes, and front mould benevolence board passes through the screw and locks solid with the front mould hot plate, and back mould benevolence board passes through the screw and locks solid with the back mould hot plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921242092.9U CN210477651U (en) | 2019-08-02 | 2019-08-02 | Liquid silica gel globe handicraft mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921242092.9U CN210477651U (en) | 2019-08-02 | 2019-08-02 | Liquid silica gel globe handicraft mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210477651U true CN210477651U (en) | 2020-05-08 |
Family
ID=70534120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921242092.9U Expired - Fee Related CN210477651U (en) | 2019-08-02 | 2019-08-02 | Liquid silica gel globe handicraft mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210477651U (en) |
-
2019
- 2019-08-02 CN CN201921242092.9U patent/CN210477651U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200508 Termination date: 20210802 |
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| CF01 | Termination of patent right due to non-payment of annual fee |