CN211868508U - Novel injection mold with product opening edge arranged at water gap - Google Patents
Novel injection mold with product opening edge arranged at water gap Download PDFInfo
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- CN211868508U CN211868508U CN201922132308.2U CN201922132308U CN211868508U CN 211868508 U CN211868508 U CN 211868508U CN 201922132308 U CN201922132308 U CN 201922132308U CN 211868508 U CN211868508 U CN 211868508U
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Abstract
The utility model discloses a novel injection mold with a water gap arranged at the edge of an opening of a product, which comprises a male mold and a female mold matched with the male mold, wherein the male mold comprises an upper mold base, a water gap plate and an upper mold core, the water gap plate is arranged between the upper mold base and the upper mold core, the water gap plate is provided with a water gap sleeve, the upper mold core is provided with an upper mold insert, the upper mold insert is provided with a hot runner, and the hot runner penetrates through the upper mold insert from top to bottom; the female die comprises a lower die base, a middle mounting plate and a lower die core, wherein the middle mounting plate is arranged on the lower die base in a sliding mode along the vertical direction, a reset spring is arranged between the middle mounting plate and the lower die base, the lower die core comprises a left inclined top, a middle module and a right inclined top, and the left inclined top and the right inclined top are symmetrically arranged on the middle module. The utility model discloses an it moulds plastics with the moulding plastics die cavity that the lower mould benevolence cooperation formed to go up mould benevolence, when having guaranteed that the mouth of advancing glue is located product open-ended inner edge department, still solve the product drawing of patterns problem under this kind of mould structure condition effectively.
Description
Technical Field
The utility model relates to an injection mold technical field, in particular to novel injection mold at product opening edge is located at mouth of a river.
Background
In some products with higher appearance requirements, the appearance surface of the product does not allow flaws such as glue inlets, so the glue inlets are usually arranged at the inner edge of the opening of the product. However, since such a design requires that the product is difficult to be released from the mold, most of the conventional molds leave a glue inlet on the appearance surface of the product. How to improve the structure of the injection mold, the injection mold can meet the normal demolding requirement after the injection molding of the product, and can also meet the technical requirement, and the injection mold becomes a difficult problem to be overcome.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a product opening edge's novel injection mold is located at the mouth of a river.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel injection mold with a water gap arranged at the edge of an opening of a product comprises a male mold and a female mold matched with the male mold, wherein the male mold comprises an upper mold base, a water gap plate and an upper mold core, the water gap plate is arranged between the upper mold base and the upper mold core, the water gap plate is provided with a sprue bush, the upper mold core is provided with an upper mold insert, the upper mold insert is provided with a hot runner, the hot runner penetrates through the upper mold insert from top to bottom, the upper mold core comprises an upper mold cavity, and molten plastic injected into the sprue bush flows into the upper mold cavity of the upper mold core through the hot runner of the upper mold insert;
the female die comprises a lower die base, a middle mounting plate and a lower die core, wherein the middle mounting plate is arranged on the lower die base in a sliding mode along the vertical direction, a reset spring is arranged between the middle mounting plate and the lower die base, the lower die core is fixedly mounted on the middle mounting plate and comprises a left inclined top, a middle module and a right inclined top, the left inclined top and the right inclined top are symmetrically arranged on the middle module, the middle mounting plate is provided with an inclined top guide block, the lower die base is provided with an inclined top base, the inclined top guide block is provided with a left guide hole for guiding the left inclined top and a right guide hole for guiding the right inclined top, the left inclined top penetrates through the left guide hole, the right inclined top penetrates through the right guide hole, the upper end of the left inclined top is arranged at the middle module, and the lower end of the left inclined top is arranged on the inclined top base in a sliding mode along the horizontal direction, the upper end of the right pitched roof is arranged at the middle module, and the lower end of the right pitched roof is arranged on the pitched roof seat in a sliding mode along the horizontal direction.
Further elaborating, top die holder department is equipped with the top pushing screw, the screw thread end of top pushing screw with the top die holder is connected, middle mounting panel department is opened with top pushing blind hole with top pushing screw matched with.
Further, the extending length of the pushing screw at the upper die base is larger than the depth of the upper die cavity.
Further, a guide pillar is arranged at the upper die base, a guide hole matched with the guide pillar is formed in the middle mounting plate, and the extending length of the guide pillar at the upper die base is larger than that of the pushing screw at the upper die base.
The beneficial effects of the utility model reside in that: the utility model discloses an it moulds plastics with the moulding plastics die cavity that the lower mould benevolence cooperation formed to go up mould benevolence, when having guaranteed that advance jiao kou is located product open-ended inner edge department, drive a left side and push up to one side and right side through pushing up the guide block to one side, solve the product drawing of patterns problem under this kind of mould structure condition effectively.
Drawings
Fig. 1 is a schematic structural diagram of the present invention during mold closing.
Fig. 2 is a schematic structural diagram of the present invention during mold opening.
FIG. 3 is a schematic structural view of a master mold.
FIG. 4 is a schematic view of the structure of a product just after injection molding.
Fig. 5 is a schematic view of the product after removal of the nozzle.
Reference numerals: 10. a male die; 11. an upper die holder; 111. a sprue bush; 112. pushing the screw; 113. a guide post; 12. a water gap plate; 13. an upper die core; 131. an upper die insert; 1311. a hot runner; 20. a female die; 21. a lower die holder; 211. a slanted ejecting seat; 22. a middle mounting plate; 221. a pitched roof guide block; 222. a guide hole; 223. pushing the blind hole; 23. a lower die core; 231. a left oblique top; 232. an intermediate module; 233. a right oblique top; 24. a return spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 3, a novel injection mold with a gate arranged at the edge of a product opening includes a male mold 10 and a female mold 20 matched with the male mold 10, the male mold 10 includes an upper mold base 11, a gate plate 12 and an upper mold core 13, the gate plate 12 is arranged between the upper mold base 11 and the upper mold core 13, the gate plate 12 is provided with a gate sleeve 111, the upper mold core 13 is provided with an upper mold insert 131, the upper mold insert 131 is provided with a hot runner 1311, the hot runner 1311 penetrates through the upper mold insert 131 from top to bottom, the upper mold core 13 includes an upper mold cavity, and molten plastic injected into the gate sleeve 111 flows into the upper mold cavity of the upper mold core 13 through the hot runner 1311 of the upper mold insert 131;
referring to fig. 3, the female die 20 includes a lower die base 21, a middle mounting plate 22, and a lower die core 23, the middle mounting plate 22 is slidably disposed on the lower die base 21 in a vertical direction, a return spring 24 is disposed between the middle mounting plate 22 and the lower die base 21, the lower die core 23 is fixedly mounted on the middle mounting plate 22, the lower die core 23 includes a left lifter 231, a middle die block 232, and a right lifter 233, the left lifter 231 and the right lifter 233 are symmetrically disposed on the middle die block 232, the middle mounting plate 22 is provided with a lifter guide block 221, the lower die base 21 is provided with a lifter base 211, the lifter guide block 221 is provided with a left guide hole for guiding the left lifter 231, a right guide hole for guiding the right lifter 233, the left lifter 231 penetrates through the left guide hole, the right lifter 233 penetrates the right guide hole, the upper end of the left lifter 231 is disposed on the middle die block 232, the lower end of the left lifter 231 is slidably disposed on the lifter base 211 in a, the upper end of the right inclined top 233 is arranged at the middle module 232, and the lower end of the right inclined top 233 is arranged on the inclined top seat 211 in a sliding manner along the horizontal direction.
Referring to fig. 2, the top mold base 11 is provided with a pushing screw 112, a threaded end of the pushing screw 112 is connected to the top mold base 11, and the middle mounting plate 22 is provided with a pushing blind hole 223 engaged with the pushing screw 112. Referring to fig. 2, during mold closing, the pushing screw 112 moves down synchronously with the upper mold base 11, the head end of the pushing screw 112 is inserted into the pushing blind hole 223, and the pushing screw 112 pushes the middle mounting plate 22 to move down.
The extension length of the pushing screw 112 at the upper die base 11 is larger than the cavity depth of the upper die cavity. Specifically, because the extension length of the pushing screw 112 at the upper die base 11 is greater than the depth of the cavity of the upper die cavity, when the die is closed, the pushing screw 112 contacts the middle mounting plate 22 first, and then pushes the middle mounting plate 22 to move downward, as shown in fig. 2, in the process of moving the middle mounting plate 22 downward, the lifter guide block 221 at the middle mounting plate 22 drives the left lifter 231 and the right lifter 233, the lower end of the left lifter 231 and the lower end of the right lifter 233 move away from the lifter base 211 in opposite directions, the upper end of the left lifter 231 and the upper end of the right lifter 233 simultaneously close to the middle die block 232, after the upper end of the left lifter 231 and the upper end of the right lifter 233 complete closing of the middle die block 232, the upper die cavity of the upper die core 13 and the lower die core 23 together form an injection cavity, and after the die is completely closed, molten plastic is injected through the sprue bush 111 and flows into the injection cavity through the hot runner 1311 of the upper die insert 131, for injection molding.
Referring to fig. 2, the upper mold base 11 is provided with a guide post 113, the middle mounting plate 22 is provided with a guide hole 222 matching with the guide post 113, and the extending length of the guide post 113 at the upper mold base 11 is greater than the extending length of the pushing screw 112 at the upper mold base 11. Specifically, since the extending length of the guide post 113 at the upper die base 11 is greater than the extending length of the pushing screw 112 at the upper die base 11, during die assembly, the guide post 113 is first inserted into the guide hole 222, and then the pushing screw 112 is inserted into the pushing blind hole 223 to contact with the middle mounting plate 22, so as to push the middle mounting plate 22 to move down.
The working mode is as follows: referring to fig. 1, when the male mold 10 and the female mold 20 are closed, the male mold 10 moves downward, during the downward movement of the male mold 10, the guide post 113 at the upper mold base 11 is firstly inserted into the guide hole 222 of the middle mounting plate 22, then the pushing screw 112 is inserted into the pushing blind hole 223 to contact with the middle mounting plate 22, and then the middle mounting plate 22 is pushed downward, the return spring 24 is continuously pressed to generate elastic deformation, during the downward movement of the middle mounting plate 22, the inclined top guide block 221 at the middle mounting plate 22 drives the left inclined top 231 and the right inclined top 233, the lower end of the left inclined top 231 and the lower end of the right inclined top 233 move away from the inclined top seat 211 in opposite directions, the upper end of the left inclined top 231 and the upper end of the right inclined top 233 simultaneously close the middle mold block 232, and after the upper end of the left inclined top 231 and the upper end of the right inclined top 233 close the middle mold 232, the male mold 10 continuously moves downward, the upper mold cavity of the upper mold core 13 and the lower mold core 23 together form an injection mold cavity, and when the mold closing is completely achieved, molten plastic is injected through the sprue bush 111 and flows into the injection mold cavity through the hot runner 1311 of the upper mold insert 131 for injection molding.
When the mold is opened, as shown in fig. 2, the male mold 10 moves upward, the upper mold core 13 is separated from the lower mold core 23 during the upward movement of the male mold 10, the downward pressure of the pushing screw 112 on the middle mounting plate 22 is continuously reduced, the return spring 24 recovers elastic deformation, the middle mounting plate 22 continuously moves upward under the action of the return spring 24, the oblique top guide block 221 on the middle mounting plate 22 drives the left oblique top 231 and the right oblique top 233 during the upward movement of the middle mounting plate 22, the lower end of the left oblique top 231 and the lower end of the right oblique top 233 are folded on the oblique top seat 211, the upper end of the left oblique top 231 and the upper end of the right oblique top 233 simultaneously reversely separate the middle mold block 232, and the injection molded product is ejected during the separation of the upper ends of the left oblique top 231 and the right oblique top 233. The finished injection-molded product is shown in fig. 5, a nozzle left after injection molding exists at the inner edge of the opening of the product, and as shown in fig. 4, the nozzle is broken off to obtain a complete product.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only 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 therefore, should not be construed as limiting the present invention.
The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides a product opening edge's novel injection mold is located to mouth of a river which characterized in that: the die comprises a male die (10) and a female die (20) matched with the male die (10), wherein the male die (10) comprises an upper die base (11), a water gap plate (12) and an upper die core (13), the water gap plate (12) is arranged between the upper die base (11) and the upper die core (13), the water gap plate (12) is provided with a sprue bush (111), the upper die core (13) is provided with an upper die insert (131), the upper die insert (131) is provided with a hot runner (1311), the hot runner (1311) penetrates through the upper die insert (131) from top to bottom, the upper die core (13) comprises an upper die cavity, and molten plastic injected into the sprue bush (111) flows into the upper die cavity of the upper die core (13) through the hot runner (1311) of the upper die insert (131);
the female die (20) comprises a lower die holder (21), a middle mounting plate (22) and a lower die core (23), the middle mounting plate (22) is arranged on the lower die holder (21) in a sliding mode along the vertical direction, a reset spring (24) is arranged between the middle mounting plate (22) and the lower die holder (21), the lower die core (23) is fixedly mounted on the middle mounting plate (22), the lower die core (23) comprises a left inclined top (231), a middle module (232) and a right inclined top (233), the left inclined top (231) and the right inclined top (233) are symmetrically arranged on the middle module (232), an inclined top guide block (221) is arranged on the middle mounting plate (22), an inclined top seat (211) is arranged on the lower die holder (21), a left guide hole for guiding the left inclined top (231) and a right guide hole for guiding the right inclined top (233) are arranged at the inclined top guide block (221), the left oblique top (231) runs through the left guide hole, the right oblique top (233) runs through the right guide hole, the upper end of the left oblique top (231) is arranged at the middle module (232), the lower end of the left oblique top (231) is arranged at the oblique top seat (211) in a sliding mode along the horizontal direction, the upper end of the right oblique top (233) is arranged at the middle module (232), and the lower end of the right oblique top (233) is arranged at the oblique top seat (211) in a sliding mode along the horizontal direction.
2. The novel injection mold with the nozzle arranged at the edge of the opening of the product as claimed in claim 1, wherein: the pushing device is characterized in that a pushing screw (112) is arranged at the upper die holder (11), the threaded end of the pushing screw (112) is connected with the upper die holder (11), and a pushing blind hole (223) matched with the pushing screw (112) is formed in the middle mounting plate (22).
3. The novel injection mold with the nozzle arranged at the edge of the opening of the product as claimed in claim 2, wherein: the extension length of the pushing screw (112) at the upper die holder (11) is larger than the depth of the upper die cavity.
4. The novel injection mold with the nozzle arranged at the edge of the opening of the product as claimed in claim 3, wherein: the upper die holder (11) is provided with a guide post (113), the middle mounting plate (22) is provided with a guide hole (222) matched with the guide post (113), and the extending length of the guide post (113) at the upper die holder (11) is greater than the extending length of the pushing screw (112) at the upper die holder (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922132308.2U CN211868508U (en) | 2019-12-03 | 2019-12-03 | Novel injection mold with product opening edge arranged at water gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922132308.2U CN211868508U (en) | 2019-12-03 | 2019-12-03 | Novel injection mold with product opening edge arranged at water gap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211868508U true CN211868508U (en) | 2020-11-06 |
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ID=73244155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922132308.2U Active CN211868508U (en) | 2019-12-03 | 2019-12-03 | Novel injection mold with product opening edge arranged at water gap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211868508U (en) |
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2019
- 2019-12-03 CN CN201922132308.2U patent/CN211868508U/en active Active
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