CN221161324U - Injection mold embedded with metal sheet - Google Patents
Injection mold embedded with metal sheet Download PDFInfo
- Publication number
- CN221161324U CN221161324U CN202322733222.1U CN202322733222U CN221161324U CN 221161324 U CN221161324 U CN 221161324U CN 202322733222 U CN202322733222 U CN 202322733222U CN 221161324 U CN221161324 U CN 221161324U
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- mold
- plate
- ejector pin
- metal sheet
- core
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- 239000002184 metal Substances 0.000 title claims abstract description 46
- 238000002347 injection Methods 0.000 title claims abstract description 39
- 239000007924 injection Substances 0.000 title claims abstract description 39
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 239000011888 foil Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims 1
- 238000001746 injection moulding Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses an injection mold for embedding a metal sheet, which comprises an upper mold and a lower mold, wherein the upper mold comprises a top plate, a runner plate and an upper mold plate which are sequentially arranged from top to bottom; the top of the upper template is concavely provided with a first mounting groove, a first upper ejector plate and a second upper ejector plate which are overlapped up and down in sequence are movably arranged in the first mounting groove, the second upper ejector plate is provided with an upper ejector pin group, a first elastic piece is clamped between the first upper ejector pin plate and the runner plate, and a reset structure for driving the upper ejector pin group to reset is arranged between the bottom of the first upper ejector pin plate and the top of the lower die core; the lower template is provided with a spring insert structure. The fixing structure is ingenious, the upper ejector pin group can ensure that the plastic product is completely demoulded, and the plastic product is conveniently taken out from the injection mold.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to an injection mold embedded with a metal sheet.
Background
The metal insert injection molding, namely insert injection molding, is a molding method for fixing an insert made of metal in a proper position in a mold cavity of a mold in advance, then injecting molten plastic for molding, and embedding the insert on a product by wrapping the cooled and solidified plastic after mold opening to obtain an integrated plastic product with the insert.
When the plastic product related to the metal sheet is subjected to buried injection molding, the metal sheet is easy to deform, the plastic product is scrapped after injection molding, the metal sheet is difficult to fix in a positioning mode in a mold cavity of a mold due to deformation of the metal sheet, and when the existing metal sheet is embedded into the injection molding mold for demolding, the plastic product is easy to attach to an upper mold, the plastic product is required to be manually demolded to be taken out of the upper mold, the mold is required to be cooled, the plastic product is required to be manually taken out again, scalding hands is avoided, waiting time is long, production efficiency is reduced, and therefore, how to design the injection molding mold enables the metal sheet to be stably in the mold cavity for the key research direction in the industry.
Therefore, a new solution is needed to solve the above problems.
Disclosure of utility model
In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and the main object of the present utility model is to provide an injection mold with an upper ejector pin set, a reset structure and an elastic insert structure, wherein the upper ejector pin set is exposed to the bottom of the upper mold core under the elastic action of a first elastic member before the injection mold is closed, so that the metal sheet is conveniently inserted and positioned at the bottom of the upper ejector pin set, and the insert is exposed to the top of the lower mold core under the elastic action of a second elastic member after the injection mold is closed, so as to compress and fix the metal sheet on the upper mold core, the reset structure drives the upper ejector pin set to withdraw from the metal sheet, thereby completing the fixation of the metal sheet in the mold cavity, the fixing structure is smart, and the lower mold ejects the plastic product after the injection molding is completed, and the upper ejector pin set simultaneously pushes the plastic product away from the upper mold core, thereby ensuring the complete demolding of the plastic product, facilitating the removal of the plastic product from the injection mold, and having high demolding efficiency.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The injection mold comprises an upper mold and a lower mold, wherein the upper mold comprises a top plate, a runner plate and an upper mold plate which are sequentially arranged from top to bottom, an upper mold core is arranged at the bottom of the upper mold plate, the lower mold comprises a lower mold plate, a lower mold core is arranged at the top of the lower mold plate, and the upper mold core and the lower mold core are formed into a mold cavity in a surrounding mode;
The top of the upper die plate is concavely provided with a first mounting groove, a first upper ejector pin plate and a second upper ejector pin plate which are overlapped up and down in sequence are movably arranged in the first mounting groove, the second upper ejector pin plate is provided with an upper ejector pin group, a first elastic piece is clamped between the first upper ejector pin plate and the runner plate, the upper ejector pin group is exposed to the bottom of the upper die core under the elastic action of the first elastic piece to form a mounting position for mounting a metal sheet, and a reset structure for driving the upper ejector pin group to reset is arranged between the bottom of the first upper ejector pin plate and the top of the lower die core;
The lower die plate is provided with an elastic insert structure, the elastic insert structure comprises an insert and a second elastic piece, the insert and the second elastic piece are used for compressing the bottom of the metal sheet, the insert is movably arranged in the lower die core, one end of the second elastic piece is propped against the lower die plate, the other end of the second elastic piece is propped against the bottom of the insert, the insert is exposed to the top of the lower die core under the elastic action of the second elastic piece, an anti-disengaging structure used for preventing the insert from being separated from the top of the lower die core is arranged between the insert and the lower die core, the upper ejector pin group is exposed to the bottom of the upper die core under the elastic action of the first elastic piece before the injection die is clamped, the insert is exposed to the top of the lower die core under the elastic action of the second elastic piece after the injection die is clamped, so that the metal sheet is compressed and fixed in the upper die core, the reset structure can drive the upper ejector pin group to withdraw the metal sheet from the metal sheet, the fixed in the die cavity is completed, the fixed structure is ingenious, and after the injection die is completed, the ejector pin group can be completely ejected from the plastic die core, and the product can be completely ejected from the die core, and the injection die can be conveniently removed from the plastic die.
As a preferable scheme, the reset structure comprises a height limiting column and an abutting block for abutting the height limiting column, wherein the top of the height limiting column abuts against the bottom of the first upper thimble plate, and the abutting block is arranged on the lower die plate.
As a preferable scheme, the height limiting column is positioned beside the upper die core, and the abutting block is positioned beside the lower die core.
As a preferred scheme, the anti-falling structure comprises an anti-falling part and an anti-falling groove for limiting the anti-falling part, wherein the anti-falling part is arranged beside the bottom end side of the insert, and the anti-falling groove is arranged on the lower die core.
As a preferable scheme, the die cavity is provided with eight of two rows and four columns which are arranged at intervals, correspondingly, the upper ejector pin group and the elastic insert structure are respectively provided with eight corresponding to the die cavity, so that eight plastic products can be produced at one time, and the production efficiency of the plastic products is improved.
As a preferable scheme, the lower die core is provided with two left and right arranged die cavities, each lower die core corresponds to four die cavities, each lower die core is provided with two pouring runners, each pouring runner is communicated with two adjacent die cavities, and correspondingly, the runner plate is provided with four pouring pipelines which are communicated with the pouring runners.
As a preferred scheme, the pouring pipeline is connected with the middle part of the pouring runner, and the pouring runner comprises two arc-shaped branches symmetrically arranged along the center of the pouring pipeline.
As a preferable scheme, the bottom of the upper die plate is provided with a second mounting groove, the upper die core is arranged in the second mounting groove, the top of the lower die plate is provided with a third mounting groove, and the lower die core is arranged in the third mounting groove.
As a preferable scheme, the side sides of the second mounting groove and the third mounting groove are respectively provided with an alignment structure for aligning the upper die core and the lower die core up and down.
As a preferred scheme, the alignment structure comprises an alignment block and an alignment groove, wherein a first guide insertion inclined plane is arranged on one side, far away from a die cavity, of the alignment block, a second guide insertion inclined plane matched with the first guide insertion inclined plane is arranged on the corresponding alignment groove, the first guide insertion inclined plane and the second guide insertion inclined plane are arranged, after an upper die core or a lower die core is assembled, the alignment block is inserted into the alignment groove to enable the alignment block to extrude the upper die core or the lower die core until the upper die core or the lower die core is positioned at a fixed position, and alignment of the upper die core and the lower die core is convenient to fix.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows:
The plastic injection mold is characterized in that the upper ejector pin group, the reset structure and the elastic insert structure are arranged, the upper ejector pin group is exposed to the bottom of the upper mold core under the action of the elastic force of the first elastic piece before the injection mold is closed, the metal sheet is conveniently inserted and positioned at the bottom of the upper ejector pin group, after the injection mold is closed, the insert is exposed to the top of the lower mold core under the action of the elastic force of the second elastic piece, so that the metal sheet is tightly pressed and fixed on the upper mold core, the reset structure can drive the upper ejector pin group to withdraw from the metal sheet, the fixing of the metal sheet in the mold cavity is completed, the fixing structure is ingenious, and after the injection mold is opened, the lower mold can eject the plastic product out, the upper ejector pin group can simultaneously eject the plastic product from the upper mold core, the plastic product is completely demoulded, the plastic product is conveniently taken out from the injection mold, and the demoulding efficiency is high.
In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic perspective view of a preferred embodiment of the present utility model;
FIG. 2 is a schematic perspective view of an upper mold according to a preferred embodiment of the present utility model;
FIG. 3 is a perspective view of a lower mold according to a preferred embodiment of the present utility model;
FIG. 4 is a cross-sectional view of a preferred embodiment of the present utility model;
FIG. 5 is another cross-sectional view of the preferred embodiment of the present utility model;
FIG. 6 is a partial assembly view of a preferred embodiment of the present utility model;
FIG. 7 is another partial assembly view of the preferred embodiment of the present utility model.
The attached drawings are used for identifying and describing:
10. Upper die 11, top plate
12. Runner plate 121 and pouring tube
13. Upper die plate 131 and upper die core
132. First and second mounting grooves 133 and 133
20. Lower die 21 and lower die plate
211. Lower die core 212 and pouring runner
2121. Arc branch 213, third mounting groove
214. Anti-drop groove 31, first upper thimble plate
32. Second upper thimble plate 33, upper thimble group
34. First elastic member 40 and reset structure
41. Height limiting column 42, abutment block
50. Spring insert structure 51 and insert
511. Drop-proof part 52, second elastic member
60. Die cavity 70, foil
80. Plastic product 90 and alignment structure
91. Alignment block 911, first guide insertion slope
92. Alignment groove 921, second guide insertion inclined plane.
Detailed Description
First, it should be noted that, in the description of the present utility model, the azimuth or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
Referring to fig. 1 to 7, a specific structure of a preferred embodiment of the present utility model is shown, which includes an upper mold 10 and a lower mold 20.
The upper die 10 comprises a top plate 11, a runner plate 12 and an upper die plate 13 which are sequentially arranged from top to bottom, an upper die core 131 is arranged at the bottom of the upper die plate 13, the lower die 20 comprises a lower die plate 21, a lower die core 211 is arranged at the top of the lower die plate 21, and the upper die core 131 and the lower die core 211 are formed into a die cavity 60 in a surrounding mode;
The top of the upper die plate 13 is concavely provided with a first mounting groove 132, a first upper ejector plate 31 and a second upper ejector plate 32 which are overlapped up and down in sequence are movably arranged in the first mounting groove 132, the second upper ejector plate 32 is provided with an upper ejector pin group 33, a first elastic piece 34 is clamped between the first upper ejector plate 31 and the runner plate 12, the upper ejector pin group 33 is exposed to the bottom of the upper die core 131 under the elastic action of the first elastic piece 34 to form a mounting position for mounting the metal sheet 70, and a reset structure 40 for driving the upper ejector pin group 33 to reset is arranged between the bottom of the first upper ejector pin plate 31 and the top of the lower die core 211;
The lower die plate 21 is provided with an elastic insert structure 50, the elastic insert structure 50 comprises an insert 51 and a second elastic element 52, the insert 51 is used for pressing the bottom of the metal sheet 70, the insert 51 is movably arranged in the lower die core 211, one end of the second elastic element 52 is propped against the lower die plate 21, the other end of the second elastic element 52 is propped against the bottom of the insert 51, the insert 51 is exposed to the top of the lower die core 211 under the action of the elastic force of the second elastic element 52, and an anti-falling structure used for preventing the insert 51 from falling out of the top of the lower die core 211 is arranged between the insert 51 and the lower die core 211. Wherein, the first elastic member 34 and the second elastic member 52 are springs, and the upper thimble group 33 includes a plurality of upper thimbles arranged at intervals, so as to ensure that the metal sheet 70 does not deflect when being positioned.
Before the injection mold is closed, the upper ejector pin group 33 is exposed to the bottom of the upper mold core 131 under the action of the elastic force of the first elastic piece 34, so that the metal sheet 70 is conveniently inserted and positioned at the bottom of the upper ejector pin group 33, after the injection mold is closed, the insert 51 is exposed to the top of the lower mold core 211 under the action of the elastic force of the second elastic piece 52, so that the metal sheet 70 is tightly pressed and fixed on the upper mold core 131, the reset structure 40 drives the upper ejector pin group 33 to withdraw from the metal sheet 70, the fixing of the metal sheet 70 in the mold cavity 60 is completed, the fixing structure is ingenious, and after the injection mold is opened, the lower mold 20 ejects the plastic product 80, the upper ejector pin group 33 simultaneously pushes the plastic product 80 away from the upper mold core 131, so that the plastic product 80 is ensured to be completely demolded, the plastic product 80 is conveniently taken out from the injection mold, and the demolding efficiency is high.
Referring to fig. 2 and 3, the mold cavity 60 is provided with eight mold cavities arranged in two rows and four columns at intervals, correspondingly, the upper ejector pin group 33 and the elastic insert structure 50 are provided with eight mold cavities 60, so that eight plastic products 80 can be produced at one time, and the production efficiency of the plastic products 80 is improved; specifically, the lower mold core 211 is provided with two left and right arranged lower mold cores 211 corresponding to four mold cavities 60, each lower mold core 211 is provided with two pouring channels 212, each pouring channel 212 is communicated with two adjacent mold cavities 60, correspondingly, the runner plate 12 is provided with four pouring pipes 121, the pouring pipes 121 are communicated with the pouring channels 212, the pouring pipes 121 are connected with the middle part of the pouring channels 212, and the pouring channels 212 comprise two arc branches 2121 symmetrically arranged along the center of the pouring pipes 121.
Referring to fig. 4 and 5, a second mounting groove 133 is formed at the bottom of the upper die plate 13, the upper die core 131 is disposed in the second mounting groove 133, a third mounting groove 213 is formed at the top of the lower die plate 21, and the lower die core 211 is disposed in the third mounting groove 213; specifically, the second mounting groove 133 and the third mounting groove 213 are provided with screw mounting holes, and the upper mold core 131 and the lower mold core 211 are fixed in the corresponding second mounting groove 133 and third mounting groove 213 by passing screws through the screw mounting holes;
Preferably, the second mounting groove 133 and the third mounting groove 213 are provided with an alignment structure 90 for vertically aligning the upper mold core 131 with the lower mold core 211, the alignment structure 90 includes an alignment block 91 and an alignment groove 92, a first guiding inclined plane 911 is provided on a side of the alignment block 91 away from the mold cavity 60, a side of the alignment block 91 close to the mold cavity 60 is a horizontal plane, which is beneficial to pushing the upper mold core 131 and the lower mold core 211, and correspondingly, the alignment groove 92 is provided with a second guiding inclined plane 921 matching with the first guiding inclined plane 911, and the first guiding inclined plane 911 and the second guiding inclined plane 921 are provided, after the upper mold core 131 or the lower mold core 211 is assembled, the alignment block 91 is inserted into the alignment groove 92 so that the alignment block 91 extrudes the upper mold core 131 or the lower mold core 211 until the upper mold core 131 or the lower mold core 211 is positioned at a fixed position where the screw mounting hole is located, so that the upper mold core 131 and the lower mold core 211 are aligned, and the upper mold 10 and the lower mold 10 can be aligned.
Referring to fig. 6, the reset structure 40 includes a height limiting column 41 and an abutment block 42 for abutting the height limiting column 41, wherein the top of the height limiting column 41 abuts against the bottom of the first upper thimble plate 31, the abutment block 42 is disposed on the lower template 21, the height limiting column 41 is located beside the upper mold core 131, and the abutment block 42 is located beside the lower mold core 211; specifically, the height-limiting columns 41 are four arranged at intervals along the circumferential direction of the upper mold core 131, and the abutment blocks 42 are four arranged at intervals along the circumferential direction of the lower mold core 211.
Referring to fig. 5 and 7, the anti-falling structure includes an anti-falling portion 511 and an anti-falling groove 214 for limiting the anti-falling portion 511, the anti-falling portion 511 is disposed beside the bottom end of the insert 51, and the anti-falling groove 214 is disposed on the lower mold core 211.
And, referring to fig. 1, the lower die 20 is provided with a lower ejector pin set, a first lower ejector pin plate and a second lower ejector pin plate, which are mature technologies in the art and are not described herein.
The design focus of the utility model is that:
The plastic injection mold is characterized in that the upper ejector pin group, the reset structure and the elastic insert structure are arranged, the upper ejector pin group is exposed to the bottom of the upper mold core under the action of the elastic force of the first elastic piece before the injection mold is closed, the metal sheet is conveniently inserted and positioned at the bottom of the upper ejector pin group, after the injection mold is closed, the insert is exposed to the top of the lower mold core under the action of the elastic force of the second elastic piece, so that the metal sheet is tightly pressed and fixed on the upper mold core, the reset structure can drive the upper ejector pin group to withdraw from the metal sheet, the fixing of the metal sheet in the mold cavity is completed, the fixing structure is ingenious, and after the injection mold is opened, the lower mold can eject the plastic product out, the upper ejector pin group can simultaneously eject the plastic product from the upper mold core, the plastic product is completely demoulded, the plastic product is conveniently taken out from the injection mold, and the demoulding efficiency is high.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model are still within the scope of the technical solutions of the present utility model.
Claims (10)
1. The injection mold comprises an upper mold and a lower mold, wherein the upper mold comprises a top plate, a runner plate and an upper mold plate which are sequentially arranged from top to bottom, an upper mold core is arranged at the bottom of the upper mold plate, the lower mold comprises a lower mold plate, a lower mold core is arranged at the top of the lower mold plate, and the upper mold core and the lower mold core are formed into a mold cavity in a surrounding mode; the method is characterized in that:
The top of the upper die plate is concavely provided with a first mounting groove, a first upper ejector pin plate and a second upper ejector pin plate which are overlapped up and down in sequence are movably arranged in the first mounting groove, the second upper ejector pin plate is provided with an upper ejector pin group, a first elastic piece is clamped between the first upper ejector pin plate and the runner plate, the upper ejector pin group is exposed to the bottom of the upper die core under the elastic action of the first elastic piece to form a mounting position for mounting a metal sheet, and a reset structure for driving the upper ejector pin group to reset is arranged between the bottom of the first upper ejector pin plate and the top of the lower die core;
The lower bolster is provided with bullet mold insert structure, bullet mold insert structure is including being used for compressing tightly mold insert and the second elastic component of foil bottom, the mold insert is movable to be set up in the lower mould benevolence, the one end of second elastic component supports in the lower bolster, the other end of second elastic component supports in the bottom of mold insert, the mold insert receives the elasticity effect of second elastic component and exposes in the top of lower mould benevolence, be provided with the anticreep structure that is used for preventing that the mold insert from deviating from the lower mould benevolence top between mold insert and the lower mould benevolence.
2. An injection mold for embedding a metal sheet as defined in claim 1, wherein: the reset structure comprises a height limiting column and an abutting block for abutting the height limiting column, the top of the height limiting column abuts against the bottom of the first upper thimble plate, and the abutting block is arranged on the lower template.
3. An injection mold for embedding a metal sheet as defined in claim 2, wherein: the height limiting column is positioned beside the upper die core, and the abutting block is positioned beside the lower die core.
4. An injection mold for embedding a metal sheet as defined in claim 1, wherein: the anti-drop structure comprises an anti-drop part and an anti-drop groove for limiting the anti-drop part, wherein the anti-drop part is arranged beside the bottom end side of the insert, and the anti-drop groove is arranged on the lower die core.
5. An injection mold for embedding a metal sheet as defined in claim 1, wherein: the die cavity is provided with eight of two rows and four columns which are arranged at intervals, and correspondingly, the upper ejector pin group and the elastic insert structure are respectively provided with eight corresponding to the die cavity.
6. An injection mold for embedding a metal sheet as defined in claim 5, wherein: the lower mould benevolence is provided with about two of arranging, and every lower mould benevolence all corresponds four mould die cavities, all is provided with two pouring runners on every lower mould benevolence, and every pouring runner communicates two adjacent mould die cavities, and is corresponding, the runner board is provided with four pouring pipes, pouring pipe intercommunication pouring runner.
7. An injection mold for embedding a metal sheet as defined in claim 6, wherein: the pouring pipeline is connected with the middle part of the pouring runner, and the pouring runner comprises two arc-shaped branches symmetrically arranged along the center of the pouring pipeline.
8. An injection mold for embedding a metal sheet as defined in claim 1, wherein: the bottom of the upper die plate is provided with a second mounting groove, the upper die core is arranged in the second mounting groove, the top of the lower die plate is provided with a third mounting groove, and the lower die core is arranged in the third mounting groove.
9. An injection mold for embedding a metal sheet as defined in claim 8, wherein: and the side sides of the second mounting groove and the third mounting groove are respectively provided with an alignment structure for aligning the upper die core and the lower die core up and down.
10. An injection mold for embedding a metal sheet as defined in claim 9, wherein: the alignment structure comprises an alignment block and an alignment groove, wherein a first guide insertion inclined plane is arranged on one side, far away from a die cavity of the die, of the alignment block, and correspondingly, a second guide insertion inclined plane matched with the first guide insertion inclined plane is arranged on the alignment groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322733222.1U CN221161324U (en) | 2023-10-11 | 2023-10-11 | Injection mold embedded with metal sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322733222.1U CN221161324U (en) | 2023-10-11 | 2023-10-11 | Injection mold embedded with metal sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221161324U true CN221161324U (en) | 2024-06-18 |
Family
ID=91461489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322733222.1U Active CN221161324U (en) | 2023-10-11 | 2023-10-11 | Injection mold embedded with metal sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221161324U (en) |
-
2023
- 2023-10-11 CN CN202322733222.1U patent/CN221161324U/en active Active
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