CN212072810U - Upper cover forming injection mold - Google Patents
Upper cover forming injection mold Download PDFInfo
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- CN212072810U CN212072810U CN202020696019.5U CN202020696019U CN212072810U CN 212072810 U CN212072810 U CN 212072810U CN 202020696019 U CN202020696019 U CN 202020696019U CN 212072810 U CN212072810 U CN 212072810U
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Abstract
The utility model discloses an upper cover molding injection mold, the upper mold comprises an upper mold plate and an upper mold block from top to bottom, the upper mold block is fixed on the bottom surface of the upper mold plate, an upper mold core block with a molding cavity is fixed in a cavity on the bottom surface of the upper mold block, an inclined guide pillar is fixed on the bottom surface of the upper mold block, and a core-pulling assembly is obliquely arranged on the side wall of the cavity of the upper mold core block; the lower die comprises a lower module, lower die supporting legs and a lower template which are sequentially arranged from top to bottom, the lower module, the lower die supporting legs and the lower template are mutually fixed and connected, a top plate is arranged between the lower template and the lower module, the top surface of the lower module is fixed with a lower die core block with a forming die core, the forming die core is correspondingly inserted into a forming cavity, a forming die cavity used for forming an upper cover is formed between the inner side wall of the forming cavity and the outer side wall of the forming die core, and a core pulling assembly is arranged in the forming. The structure utilizes the side hole core-pulling forming and the structure core-pulling forming on the side boss to facilitate the die sinking and material taking after the upper cover is formed, so that the product quality is further improved.
Description
Technical Field
The utility model belongs to the technical field of an injection mold technique and specifically relates to an upper cover shaping injection mold.
Background
At present, when an upper cover product with a boss on the side surface is molded, an upper mold and a lower mold are integrally molded, however, a mold in the prior art is not ideal for molding a structure and a side hole on the boss on the side surface, and the molded structure and the side hole are prone to being damaged by pulling when the mold is opened, so that the production quality of the product is greatly influenced, and based on the defects, an inventor develops an upper cover molding mold with a side core pulling molding function.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical defects and designing an upper cover molding injection mold.
The utility model relates to an upper cover molding injection mold, which comprises an upper mold and a lower mold which can be spliced with each other, wherein the upper mold comprises an upper template and an upper module from top to bottom in sequence, the upper module is fixed on the bottom surface of the upper template, an upper die core block with a forming cavity is fixed in a cavity on the bottom surface of the upper die block, an inclined guide post is fixed on the bottom surface of the upper die block, a core-pulling channel is obliquely arranged on the side wall of the cavity of the upper die core block, a core-pulling block for forming a long hole on an upper cover is arranged in the core-pulling channel, a core-pulling through groove corresponding to the position of the core-pulling channel is arranged on the bottom surface of the upper die block, a core-pulling cylinder is fixed at the outer side port of the core-pulling through groove through, the core-pulling block is connected with one end of the core-pulling slide block in a sliding manner, the other end of the core-pulling slide block is fixedly connected with a piston rod of the core-pulling cylinder, a plurality of core-pulling columns are fixed on the inner side surface of the forming cavity, and a plurality of long convex blocks which are arranged at intervals are arranged at one end of the core-pulling block close to the forming cavity; the lower die comprises a lower die block, lower die supporting legs and a lower die plate which are sequentially arranged from top to bottom, the lower die block, the lower die supporting legs and the lower die plate are fixedly connected with each other, a top plate is arranged between the lower die plate 5 and the lower die block, a lower die core block with a forming die core is fixed on the top surface of the lower die block, the forming die core is correspondingly inserted into a forming cavity, a forming die cavity for forming an upper cover is formed between the inner side wall of the forming cavity and the outer side wall of the forming die core, a core-pulling forming block for performing core-pulling forming on the side surface structure of the upper cover formed in the forming die cavity is placed on the top surface of the lower die block, the inner side end part of the core-pulling forming block is positioned between the upper die core block and the lower die core block, the position of the core-pulling forming block corresponds to an inclined guide post, the ejector pin and the oblique ejector rod sequentially penetrate through the lower module and the lower module core; the upper template, the upper module and the upper die core block are provided with the corresponding runner channels, and the runner channels of the upper die core block are communicated with the molding die cavity; the inside wall of the molding cavity is provided with an annular groove and an arc-shaped groove which are used for molding an annular convex rib and an arc-shaped convex rib on the outer surface of the upper cover.
Preferably, a guide post is fixed between the lower template and the lower module, and a guide hole in the top plate is sleeved on the guide post.
Preferably, the bottom surface of the upper module is fixed with a wedging block, the inclined guide post is fixed on the wedging block, after the die assembly is carried out, the wedging block is correspondingly inserted into the wedging groove of the core-pulling forming block, and the inclined surface of the wedging block is attached to the inclined surface of the wedging groove.
Preferably, the lower die block is provided with an inclined hole corresponding to the inclined hole of the core-pulling forming block.
Preferably, the upper die core block, the lower die core block and the core-pulling forming block are all provided with cooling water channels.
Preferably, the bump forming structure on the top of the lower die core block: and a forming block is fixed in the cavity at the top of the lower die core block, and the top of the forming block extends out of the top of the lower die core block to form a boss.
Preferably, a connecting block is fixed on the top plate, an approximately-spliced groove is formed in the connecting block, the bottom end of the ejector rod is inserted into the approximately-spliced groove, and a convex block of the side wall of the ejector rod is inserted into the transverse groove of the approximately-spliced groove.
Preferably, the top surface of the lower module and the bottom surface of the upper module are both fixed with positioning blocks, one positioning block is provided with a positioning groove, the other positioning block is provided with a positioning bulge, and after the upper module and the lower module are assembled, the positioning bulge is correspondingly inserted into the positioning groove to perform positioning after the assembly,
preferably, a guide column body is fixed on the lower module, a guide sleeve is embedded on the upper module, and the guide column body is correspondingly inserted into the guide sleeve.
Preferably, a limit post is fixed on the top plate.
The utility model discloses an upper cover forming injection mold, its structure utilizes the side opening to loose core the shaping and the structure on the boss of side and looses core the shaping and make to carry out the die sinking of being convenient for after the shaping to the upper cover, also is convenient for get the material after the die sinking for product quality obtains further promotion.
Drawings
FIG. 1 is a schematic view (one) of the overall structure of the embodiment;
FIG. 2 is the overall structure diagram of the embodiment (II);
FIG. 3 is the overall structure diagram of the embodiment (III);
FIG. 4 is a schematic view (IV) of the overall structure of the embodiment;
FIG. 5 is an overall structural schematic view (V) of the embodiment;
FIG. 6 is an overall structural view of the embodiment (VI);
FIG. 7 is a schematic view of the lower die structure of the embodiment;
FIG. 8 is a schematic structural view of an upper mold of the embodiment;
fig. 9 is a schematic structural view of the core back block of the embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1-9, the upper cover molding injection mold described in this embodiment includes an upper mold and a lower mold that can be assembled with each other, the upper mold includes an upper mold plate 1 and an upper mold block 2 from top to bottom, the upper mold block 2 is fixed on the bottom surface of the upper mold plate 1, an upper mold core block 8 with a molding cavity 81 is fixed in a cavity of the bottom surface of the upper mold block 2, oblique guide pillars 7 are fixed on opposite sides of the bottom surface of the upper mold block 2, two core pulling channels 22 are obliquely arranged on the side wall of the molding cavity 81 of the upper mold core block 8, a core pulling block 16 for molding a long hole on the upper cover is arranged in the core pulling channel, two core pulling through grooves 21 corresponding to the two core pulling channels 22 are arranged on the bottom surface of the upper mold block, a core pulling cylinder 18 is fixed on the outer side of the core pulling through a fixing plate, a core pulling slider 17 is arranged in the core, the other end of the core-pulling slide block 17 is fixedly connected with a piston rod of the core-pulling cylinder 18, a plurality of core-pulling columns 24 are fixed on the inner side surface of the molding cavity, and a plurality of elongated lugs 161 which are arranged at intervals are arranged at one end of the core-pulling block 16 close to the molding cavity; the lower die comprises a lower die block 3, a lower die supporting leg 4 and a lower die plate 5 which are sequentially arranged from top to bottom, the lower die block 3, the lower die supporting leg 4 and the lower die plate 5 are fixedly connected with each other, a top plate 6 is arranged between the lower die plate 5 and the lower die block 3, a lower die core block 9 with a forming die core 91 is fixed on the top surface of the lower die block 3, the forming die core 91 is correspondingly inserted into a forming cavity 81, a forming die cavity 20 for forming an upper cover is formed between the inner side wall of the forming cavity 81 and the outer side wall of the forming die core 91, core-pulling forming blocks 11 for performing core-pulling forming on a boss upper structure on the side surface of the upper cover formed in the forming die cavity are arranged on the two corresponding sides of the top surface of the lower die block 3, the inner side end parts of the core-pulling forming blocks 11 are arranged between the upper die core block 8 and the lower die core block 9, the position of the core-pulling, a thimble 13 is fixed on the top plate 6, an oblique ejector rod 14 is movably mounted on the top plate, and the thimble and the oblique ejector rod sequentially penetrate through the lower module and the lower module core; the upper template, the upper module and the upper die core block are all provided with the corresponding watering channels 10, and the watering channels of the upper die core block are communicated with the molding die cavity; the inner side wall of the molding cavity is provided with an annular groove 811 and an arc-shaped groove 812 for molding an annular convex rib and an arc-shaped convex rib on the outer surface of the upper cover.
Based on the structure in the die closing state, a pouring channel is used for injecting hot melt adhesive into a forming die cavity, after the forming die cavity is filled with the hot melt adhesive, pressure maintaining forming is carried out for a period of time, after forming is completed, cooling water is injected into cooling water channels in an upper die core block, a lower die core block and a core-pulling forming block for cooling, after cooling, forming of an upper cover product is completed, the upper die and the lower die are separated for die opening, in the die opening process, the core-pulling forming block is displaced outwards under the action of an inclined guide post, so as to carry out core-pulling forming on the structure on a boss after product forming, a piston rod of a core-pulling cylinder retracts, the core-pulling block in the core-pulling channel is pulled to displace outwards for carrying out side hole forming core-pulling, after die opening and core pulling are completed, a top plate displaces upwards to push a top rod and, and after the demolding is finished, closing the mold by the upper mold and the lower mold, wherein a limiting column is fixed on the top plate and used for limiting after the top plate moves upwards, and in order that the core-pulling molding block can slide more reliably on the lower module, the core-pulling molding block is inserted into the sliding groove 31 on the lower module to slide.
Furthermore, the core-pulling block 16 is movably connected with one end of the core-pulling block 17, a T-shaped groove 171 is formed in one end of the core-pulling block 17, a T-shaped connecting column 161 correspondingly matched with the T-shaped groove is arranged at the end of the core-pulling block, and the T-shaped connecting column is correspondingly inserted into the T-shaped groove, so that the T-shaped connecting column can slide in the T-shaped groove when the core-pulling block is pushed and pulled, and the linear extension of the piston rod is further realized to obliquely push and pull the core-pulling block.
Preferably, the top surface of the lower module 3 and the bottom surface of the upper module 2 are both fixed with a positioning block 23, one positioning block is provided with a positioning groove 232, the other positioning block is provided with a positioning protrusion 231, and after the upper module and the lower module are closed, the positioning protrusion is correspondingly inserted into the positioning groove to perform positioning after closing, so that closing is more accurate, and the forming reliability is improved.
In this embodiment, be fixed with guide post 64 between lower bolster and the lower mould 4, the guiding hole 65 on roof 6 overlaps on guide post 64, and its structure makes the upper and lower displacement of roof comparatively reliable and stable, and simultaneously, the roof can be fixed through the bolt by upper plate and hypoplastron.
In this embodiment, the bottom surface of the upper module is fixed with the wedging block 12, and the inclined guide post 7 is fixed on the wedging block 12, after the mold is closed, the wedging block 12 is inserted into the wedging groove of the core-pulling forming block 11 correspondingly, and the inclined plane of the wedging block 12 is attached to the inclined plane of the wedging groove, and the purpose of setting the wedging block compresses the core-pulling forming block, so as to prevent the displacement phenomenon caused by the high pressure formed when the hot melt adhesive is injected into the molding cavity, and thus the product molding is more reliable.
In this embodiment, the lower mold block is provided with an inclined hole 111 corresponding to the inclined hole 111 of the core pulling molding block, and the structure of the lower mold block is only to allow the inclined guide post to extend out because the inclined guide post has enough space after penetrating through the inclined hole.
In this embodiment, the bump 92 on the top of the lower die pellet 9 forms a structure: and a forming block is fixed in the cavity at the top of the lower die core block, and the top of the forming block extends out of the top of the lower die core block to form a boss.
In this embodiment, be fixed with connecting block 15 on roof 6, the word type groove of crossing has on connecting block 15, and the word type inslot of crossing is inserted to the bottom of ejector pin, and the lug of its lateral wall inserts the horizontal inslot in word type groove of crossing, and its structure makes the ejector pin of putting to one side more be convenient for install.
In summary, all the above-mentioned fixing is performed by bolts; in order to stably and reliably open and close the mold, a guide column 19 is fixed on the top surface of the lower module, a guide sleeve 25 is embedded on the bottom surface of the upper module, and the guide column is correspondingly inserted into the guide sleeve.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.
Claims (9)
1. An upper cover forming injection mold, which comprises an upper mold and a lower mold which can be spliced with each other, and is characterized in that,
the upper die comprises an upper die plate and an upper die block which sequentially comprise the upper die plate and the upper die block from top to bottom, the upper die block is fixed on the bottom surface of the upper die plate, an upper die core block with a forming cavity is fixed in a cavity on the bottom surface of the upper die block, an inclined guide pillar is fixed on the bottom surface of the upper die block, a core pulling channel is obliquely arranged on the side wall of a cavity of the upper die core block, a core pulling block used for forming a long hole in an upper cover is arranged in the core pulling channel, a core pulling through groove corresponding to the core pulling channel is arranged on the bottom surface of the upper die block, a core pulling cylinder is fixed at the outer side port of the core pulling through groove through a fixing plate, a core pulling slider is arranged in the core pulling through groove and is connected with one end of the core pulling slider in a sliding manner, the other;
the lower die comprises a lower die block, lower die supporting legs and a lower die plate which are sequentially arranged from top to bottom, the lower die block, the lower die supporting legs and the lower die plate are fixedly connected with each other, a top plate is arranged between the lower die plate and the lower die block, a lower die core block with a forming die core is fixed on the top surface of the lower die block, the forming die core is correspondingly inserted into a forming cavity, a forming die cavity for forming an upper cover is formed between the inner side wall of the forming cavity and the outer side wall of the forming die core, a core-pulling forming block for performing core-pulling forming on the side surface structure of the upper cover formed in the forming die cavity is placed on the top surface of the lower die block, the inner side end part of the core-pulling forming block is positioned between the upper die core block and the lower die core block, the position of the core-pulling forming block corresponds to an inclined guide post, the ejector pin and the oblique ejector rod sequentially penetrate through the lower module and the lower module core;
the upper template, the upper module and the upper die core block are provided with the corresponding runner channels, and the runner channels of the upper die core block are communicated with the molding die cavity;
the inside wall of the molding cavity is provided with an annular groove and an arc-shaped groove which are used for molding an annular convex rib and an arc-shaped convex rib on the outer surface of the upper cover.
2. The upper cover molding injection mold according to claim 1, wherein a guide post is fixed between the lower mold plate and the lower mold block, and a guide hole on the top plate is sleeved on the guide post.
3. The upper cover molding injection mold according to claim 1, wherein a wedging block is fixed on the bottom surface of the upper mold block, and the inclined guide post is fixed on the wedging block, after mold closing, the wedging block is correspondingly inserted into the wedging groove of the core-pulling molding block, and the inclined surface of the wedging block is attached to the inclined surface of the wedging groove.
4. The upper cover molding injection mold according to claim 1, wherein the lower mold block is provided with an inclined hole corresponding to the position of the inclined hole of the core-pulling molding block.
5. The upper cover molding injection mold according to claim 1, wherein the upper mold core block, the lower mold core block and the core back molding block each have a cooling water passage therein.
6. The upper cover molding injection mold according to claim 1, wherein the bump forming structure of the top of the lower core block: and a forming block is fixed in the cavity at the top of the lower die core block, and the top of the forming block extends out of the top of the lower die core block to form a boss.
7. The upper cover molding injection mold according to claim 1, wherein the top plate is fixed with a connecting block, the connecting block is provided with a notch-shaped groove, the bottom end of the ejector rod is inserted into the notch-shaped groove, and the projection of the side wall thereof is inserted into the transverse groove of the notch-shaped groove.
8. The upper cover molding injection mold according to claim 1, wherein the lower mold block is fixed with a guide post, the upper mold block is embedded with a guide sleeve, and the guide post is inserted into the guide sleeve correspondingly.
9. An upper cover molding injection mold according to claim 1, wherein a stopper post is fixed to the top plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020696019.5U CN212072810U (en) | 2020-04-29 | 2020-04-29 | Upper cover forming injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020696019.5U CN212072810U (en) | 2020-04-29 | 2020-04-29 | Upper cover forming injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212072810U true CN212072810U (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020696019.5U Expired - Fee Related CN212072810U (en) | 2020-04-29 | 2020-04-29 | Upper cover forming injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212072810U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112757596A (en) * | 2021-01-21 | 2021-05-07 | 广东理标信息科技有限公司 | Rapid cooling injection mold capable of ejecting workpiece out and taking workpiece and operation method |
| CN114273874A (en) * | 2021-12-25 | 2022-04-05 | 苏州亿成电子科技有限公司 | Optical lens die convenient to process and preparation process thereof |
| CN115341415A (en) * | 2022-08-12 | 2022-11-15 | 永发（江苏）模塑包装科技有限公司 | Technology for forming internal and external spiral threads of integrally formed paper mold |
-
2020
- 2020-04-29 CN CN202020696019.5U patent/CN212072810U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112757596A (en) * | 2021-01-21 | 2021-05-07 | 广东理标信息科技有限公司 | Rapid cooling injection mold capable of ejecting workpiece out and taking workpiece and operation method |
| CN114273874A (en) * | 2021-12-25 | 2022-04-05 | 苏州亿成电子科技有限公司 | Optical lens die convenient to process and preparation process thereof |
| CN114273874B (en) * | 2021-12-25 | 2024-04-23 | 苏州亿成电子科技有限公司 | Optical lens mold convenient to process and preparation process thereof |
| CN115341415A (en) * | 2022-08-12 | 2022-11-15 | 永发（江苏）模塑包装科技有限公司 | Technology for forming internal and external spiral threads of integrally formed paper mold |
| CN115341415B (en) * | 2022-08-12 | 2023-09-26 | 永发（江苏）模塑包装科技有限公司 | Forming process for inner and outer spiral lines of integrally formed paper mold |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201204 Termination date: 20210429 |