CN219360151U - Core structure of injection molding cover body part and corresponding injection mold - Google Patents
Core structure of injection molding cover body part and corresponding injection mold Download PDFInfo
- Publication number
- CN219360151U CN219360151U CN202320439004.4U CN202320439004U CN219360151U CN 219360151 U CN219360151 U CN 219360151U CN 202320439004 U CN202320439004 U CN 202320439004U CN 219360151 U CN219360151 U CN 219360151U
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- core
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- 238000002347 injection Methods 0.000 title claims abstract description 36
- 239000007924 injection Substances 0.000 title claims abstract description 36
- 238000001746 injection moulding Methods 0.000 title claims abstract description 28
- 238000000465 moulding Methods 0.000 claims abstract description 75
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides a core structure of an injection molding cover body and a corresponding injection mold. The molding piece is detachably connected to the bottom end of the connecting piece, the molding piece extends in the cavity of the injection mold, the molding piece comprises a first molding surface and a second molding surface, the first molding surface and the second molding surface are respectively provided with molding structures for forming different hollowed-out patterns on the cover body piece, the molding piece is connected with the connecting piece in a changing mode, and the first molding surface faces the cavity or the second molding surface faces the cavity. The core structure of the injection molding cover body part can correspondingly form different hollowed-out patterns on the cover body part by overturning and assembling the molding part, and can also be used for manufacturing more cover body part products by disassembling and replacing the whole molding part, so that the cost is low, the diversity is high, only the molding part is required to be disassembled, and the disassembly and the replacement are convenient.
Description
Technical Field
The utility model relates to the field of injection mold equipment, in particular to a core structure of an injection cover piece and a corresponding injection mold.
Background
Many products in the market are plastic products, and most of the plastic products are manufactured by injection molds. Wherein, there may be only some small differences between different models of the same product, such as different models of cover parts in sound, only the hollowed-out patterns are different. However, in the prior art, for manufacturing products with local differences, the whole mold core is often required to be replaced, the cost is high, and the disassembly and assembly can be laborious.
Therefore, it is necessary to provide a core structure of an injection molding cover and a corresponding injection mold to solve the above technical problems.
Disclosure of Invention
The utility model provides a core structure of an injection molding cover body part and a corresponding injection mold, which are used for solving the problems that in the prior art, the injection mold is used for manufacturing products with local differences, the whole mold core is often needed to be replaced, the cost is high, and the disassembly and assembly are relatively laborious.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the core structure of the injection molding cover body part comprises a connecting piece and a molding piece, wherein the connecting piece is used for being fixedly connected with an upper die seat of an injection molding die;
the utility model discloses a plastic injection molding device, including connecting piece, molding piece detachable connects the bottom of connecting piece, the molding piece extends in injection mold's die cavity, the molding piece is including first molding surface and the second molding surface that deviates from each other, first molding surface with all be provided with on the second molding surface and be used for forming the molding structure of different fretwork patterns on the lid piece, the molding piece with connecting piece transform is connected, can make first molding surface orientation the die cavity, or make the second molding surface orientation the die cavity.
In the utility model, the connecting piece is of a cylindrical structure, the bottom end of the connecting piece is an opening, a plurality of connecting holes are formed in the inner wall of the connecting piece and close to the bottom end, and a plurality of clamping blocks for clamping with the connecting holes are arranged on the periphery of the modeling piece.
The clamping block is elastically and slidably arranged on the modeling piece, the connecting hole penetrates through the connecting piece, a unlocking ring is slidably arranged on the periphery of the connecting piece, and an extrusion block for extruding the clamping block in the connecting hole is arranged on the unlocking ring.
In addition, be provided with bulge loop portion on the molding, be provided with on the connecting piece inner wall be used for with bulge loop portion location connection sink groove, the fixture block setting is in on the bulge loop portion, be provided with the locating piece on the inner wall of sink groove, be provided with on the bulge loop portion be used for with locating piece location connection's locating hole.
In the utility model, a notch is arranged on the outer peripheral side of the top end of the connecting piece, and a threaded hole is arranged on the surface of the top end of the connecting piece.
The utility model further comprises an injection mold, wherein the injection mold is provided with the core structure of the injection molding cover body, the injection mold further comprises an upper mold base, a lower mold base, a fixing plate, an upper mold core, a lower mold core, a hot runner assembly and a pouring assembly, the upper mold core and the lower mold core are in butt joint and are positioned between the upper mold base and the lower mold base, a cavity for injection molding the cover body is formed between the upper mold core and the lower mold core, the fixing plate is arranged between the upper mold base and the hot runner assembly, the pouring assembly is connected with an input port of the hot runner assembly, the hot runner assembly penetrates through the upper mold base and the upper mold core, an output port of the hot runner assembly is communicated with the cavity, and the core structure of the injection molding cover body is arranged between the upper mold base and the upper mold core.
In the utility model, the upper die holder is provided with a through fixing through hole, the connecting piece is positioned and connected in the fixing through hole, and the connecting piece is connected with the fixing plate through a screw.
The upper die core is provided with a positioning groove, the inner wall of the positioning groove is provided with an inner ring part, and the inner ring part is contacted with the convex ring part of the molding piece.
In the present utility model, the hot runner assembly includes a hot runner nozzle that extends through the connector and molding member to communicate with the cavity.
Further, the hot runner nozzle is spaced from the inner wall of the connecting piece by a set distance.
Compared with the prior art, the utility model has the beneficial effects that: the core structure of the injection molding cover body part can correspondingly form different hollowed-out patterns on the cover body part by overturning and assembling the molding part, and can also be used for manufacturing more cover body part products by disassembling and replacing the whole molding part, so that the cost is low, the diversity is high, only the molding part is required to be disassembled, and the disassembly and the replacement are convenient.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments are briefly described below, and the drawings in the following description are only drawings corresponding to some embodiments of the present utility model.
Fig. 1 is a schematic structural view of an injection mold according to the present utility model.
Fig. 2 is a partially disassembled structural schematic diagram of an injection mold according to the present utility model.
Fig. 3 is a schematic structural view of the core structure of the present utility model.
Fig. 4 is a schematic view of the core structure of fig. 3 from another perspective.
Fig. 5 is a schematic structural view of a molding member in the present utility model.
Fig. 6 is one of the views of the cover member manufactured by the injection mold of the present utility model.
FIG. 7 is a second view of a cover member manufactured by the injection mold of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The terms of directions used in the present utility model, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "side", "top" and "bottom", are used for explaining and understanding the present utility model only with reference to the orientation of the drawings, and are not intended to limit the present utility model.
The words "first," "second," and the like in the terminology of the present utility model are used for descriptive purposes only and are not to be construed as indicating or implying relative importance and not as limiting the order of precedence.
In the present utility model, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The injection mold in the prior art is inconvenient to manufacture various products of the same type with small structural differences, the whole mold core is often required to be replaced for manufacturing products with local differences, the cost is high, and the disassembly and assembly can be laborious.
The following is a preferred embodiment of an injection mold capable of solving the above technical problems.
Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of an injection mold according to the present utility model. Fig. 2 is a partially disassembled structural schematic diagram of an injection mold according to the present utility model.
In the drawings, like structural elements are denoted by like reference numerals.
The utility model provides an injection mold, which comprises a core structure 18 of an injection cover piece, an upper mold base 11, a lower mold base 12, a fixing plate 15, an upper mold core 17, a lower mold core, a hot runner assembly 14 and a pouring assembly 13. The upper die core 17 and the lower die core are in butt joint, are positioned between the upper die base 11 and the lower die base 12, a cavity for injection molding a cover body piece is formed between the upper die core 17 and the lower die core, the fixing plate 15 is arranged between the upper die base 11 and the hot runner assembly 14, the pouring assembly 13 is connected with an input port of the hot runner assembly 14, the hot runner assembly 14 penetrates through the upper die base 11 and the upper die core 17, an output port of the hot runner assembly 14 is communicated with the cavity, and a core structure 18 for injection molding the cover body piece is arranged between the upper die base 11 and the upper die core 17.
In addition, the injection mold further includes a base at the bottom, and a pushing assembly 16 between the base and the lower mold base 12, where the pushing rod of the pushing assembly 16 extends to the cavity, and after the injection molding of the cover is completed, the pushing assembly 16 ejects the cover, and these structures are conventional structures, which are not described herein.
Referring to fig. 3, in the present embodiment, the core structure 18 of the injection molding cover includes a connecting member 181 and a molding member 182, where the connecting member 181 is fixedly connected with the upper mold base 11 of the injection mold. The outer peripheral side of the top end of the connecting member 181 is provided with a notch 1811 for proper positioning connection with the upper die holder 11, and the top end surface of the connecting member 181 is provided with a threaded hole 1812 for locking connection of the upper die holder 11 and the connecting member 181 by a screw.
The molding member 182 is detachably connected to the bottom end of the connecting member 181, the molding member 182 extends into the cavity of the injection mold, the molding member 182 includes a first molding surface 1821 and a second molding surface 1822 that deviate from each other, and molding structures for forming different hollowed-out patterns on the cover member are disposed on the first molding surface 1821 and the second molding surface 1822. The molding member 182 is in alternating connection with the connecting member 181 such that the first molding surface 1821 is oriented toward the cavity, or such that the second molding surface 1822 is oriented toward the cavity.
The lid member 21A shown in fig. 6 can be manufactured by injection molding using the first molding surface 1821, and the lid member 21A shown in fig. 7 can be manufactured by injection molding using the second molding surface 1822. The molding member 182 may be removed and replaced to facilitate injection molding of more partially different cover members.
Referring to fig. 3 and 5, in the present embodiment, the connecting member 181 has a cylindrical structure, the bottom end of the connecting member 181 is an opening, a plurality of connecting holes are disposed on the inner wall of the connecting member 181 near the bottom end, a plurality of clamping blocks 1823 are disposed on the periphery of the molding member 182 and are used for being clamped with the connecting holes, the molding member 182 is installed from the opening of the connecting member 181, and then the clamping blocks 1823 are clamped with the connecting holes, so that the molding member 182 is fixedly connected with the connecting member 181.
The clamping block 1823 is elastically and slidably arranged on the modeling piece 182, the connecting hole penetrates through the connecting piece 181, an unlocking ring 183 is slidably arranged on the periphery of the connecting piece 181, and an extruding block 1831 for extruding the clamping block 1823 in the connecting hole is arranged on the unlocking ring 183. The pressing block 1831 extends into the connecting hole, and only when an external force is applied to the unlocking ring 183, the pressing block 1831 is driven to press the clamping block 1823, so that the clamping block 1823 is retracted, and then the molding member 182 can be detached from the connecting member 181.
In addition, a convex ring portion 1824 is disposed on the modeling member 182, a sinking groove for positioning connection with the convex ring portion 1824 is disposed on the inner wall of the connecting member 181, a fixture block 1823 is disposed on the convex ring portion 1824, a positioning block is disposed on the inner wall of the sinking groove, and a positioning hole 1825 for positioning connection with the positioning block is disposed on the convex ring portion 1824. When the modeling piece 182 is installed from the opening of the connecting piece 181 and the clamping block 1823 is clamped with the connecting hole, the convex ring portion 1824 is limited in the sinking groove, and meanwhile, the positioning block is matched with the positioning hole 1825 in a positioning way, so that the modeling piece 182 is connected stably from the connecting piece 181 and cannot shake.
Referring to fig. 2, in the present embodiment, a through fixing hole 111 is formed in the upper die holder 11, a connecting member 181 is positioned and connected in the fixing hole 111, the connecting member 181 is connected to the fixing plate 15 by a screw, and the fixing plate 15 is also fixedly connected to the upper die holder 11 by a screw, so that the connecting member 181, the fixing plate 15 and the upper die holder 11 are connected into a stable integral structure.
Wherein, be provided with the constant head tank 171 on the last mould benevolence 17, be provided with interior ring portion on the inner wall of constant head tank 171, when upper die base 11 and die holder 12 compound die, interior ring portion contacts with the bulge loop portion 1824 of molding 182, and then can make molding 182 cooperate last mould benevolence 17, form stable confined die cavity with the lower mould benevolence.
In this embodiment, the hot runner assembly 14 includes a hot runner nozzle 141, and the hot runner nozzle 141 extends through the connector 181 and the molding member 182 to communicate with the cavity.
The hot runner nozzle 141 and the inner wall of the connector 181 are spaced by a set distance, so that a certain heat insulation space can be formed, and the molten material in the hot runner nozzle 141 is not easy to cool and solidify.
The core structure of the injection mold of the preferred embodiment is composed of the connecting piece and the molding piece which are detachably connected, the molding piece can be assembled through overturning, so that different hollowed-out patterns on the cover body piece can be correspondingly formed, and the whole molding piece can be disassembled and replaced to manufacture more cover body piece products in a compatible mode.
In summary, although the present utility model has been described in terms of the preferred embodiments, the preferred embodiments are not limited to the above embodiments, and various modifications and changes can be made by one skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model is defined by the appended claims.
Claims (10)
1. The core structure of the injection molding cover body piece is characterized by comprising a connecting piece and a molding piece, wherein the connecting piece is used for being fixedly connected with an upper die seat of an injection molding die;
the utility model discloses a plastic injection molding device, including connecting piece, molding piece detachable connects the bottom of connecting piece, the molding piece extends in injection mold's die cavity, the molding piece is including first molding surface and the second molding surface that deviates from each other, first molding surface with all be provided with on the second molding surface and be used for forming the molding structure of different fretwork patterns on the lid piece, the molding piece with connecting piece transform is connected, can make first molding surface orientation the die cavity, or make the second molding surface orientation the die cavity.
2. The core structure of an injection molding cover member according to claim 1, wherein the connecting member has a cylindrical structure, the bottom end of the connecting member has an opening, a plurality of connecting holes are formed in the inner wall of the connecting member at positions close to the bottom end, and a plurality of clamping blocks for clamping with the connecting holes are formed on the periphery of the molding member.
3. The core structure of an injection molding cover member according to claim 2, wherein the clamping block is elastically slidably provided on the molding member, the connection hole penetrates through the connection member, a release ring is slidably provided on an outer periphery of the connection member, and an extrusion block for extruding the clamping block in the connection hole is provided on the release ring.
4. The core structure of an injection molding cover member according to claim 2, wherein a convex ring portion is provided on the molding member, a sinking groove for positioning connection with the convex ring portion is provided on an inner wall of the connecting member, the fixture block is provided on the convex ring portion, a positioning block is provided on an inner wall of the sinking groove, and a positioning hole for positioning connection with the positioning block is provided on the convex ring portion.
5. The core structure of an injection molded cover member according to claim 1, wherein the outer peripheral side of the connector tip is provided with a notch, and the connector tip surface is provided with a threaded hole.
6. The injection mold is characterized by further comprising an upper mold base, a lower mold base, a fixing plate, an upper mold core, a lower mold core, a hot runner component and a pouring component, wherein the upper mold core and the lower mold core are in butt joint, are positioned between the upper mold base and the lower mold base, a cavity for injection molding the cover component is formed between the upper mold core and the lower mold core, the fixing plate is arranged between the upper mold base and the hot runner component, the pouring component is connected with an input port of the hot runner component, the hot runner component penetrates through the upper mold base and the upper mold core, an output port of the hot runner component is communicated with the cavity, and the core structure of the injection molding cover component is arranged between the upper mold base and the upper mold core.
7. The injection mold of claim 6, wherein the upper mold base is provided with a through fixing through hole, the connecting piece is positioned and connected in the fixing through hole, and the connecting piece is connected with the fixing plate through a screw.
8. The injection mold of claim 7, wherein the upper mold core is provided with a positioning groove, an inner ring portion is provided on an inner wall of the positioning groove, and the inner ring portion is in contact with the convex ring portion of the molding member.
9. The injection mold of claim 6 wherein the hot runner assembly comprises a hot runner nozzle extending through the connector and molding member to communicate with the cavity.
10. The injection mold of claim 9, wherein the hot runner nozzle is a set distance from an inner wall of the connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320439004.4U CN219360151U (en) | 2023-03-08 | 2023-03-08 | Core structure of injection molding cover body part and corresponding injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320439004.4U CN219360151U (en) | 2023-03-08 | 2023-03-08 | Core structure of injection molding cover body part and corresponding injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219360151U true CN219360151U (en) | 2023-07-18 |
Family
ID=87151298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320439004.4U Active CN219360151U (en) | 2023-03-08 | 2023-03-08 | Core structure of injection molding cover body part and corresponding injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219360151U (en) |
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2023
- 2023-03-08 CN CN202320439004.4U patent/CN219360151U/en active Active
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