CN217670793U - Be applied to mould plastics mesh plate's mould benevolence assembly - Google Patents
Be applied to mould plastics mesh plate's mould benevolence assembly Download PDFInfo
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- CN217670793U CN217670793U CN202221539112.0U CN202221539112U CN217670793U CN 217670793 U CN217670793 U CN 217670793U CN 202221539112 U CN202221539112 U CN 202221539112U CN 217670793 U CN217670793 U CN 217670793U
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Abstract
The utility model relates to the technical field of injection molds, in particular to a mold core assembly applied to an injection molding mesh plate, which comprises an upper mold core and a lower mold core which are mutually covered, wherein the surface of the upper mold core corresponding to the lower mold core is provided with an upper mold cavity, the surface of the lower mold core corresponding to the upper mold core is provided with a lower mold cavity, a plurality of first lugs arranged in arrays are arranged in the upper mold cavity, a plurality of second lugs arranged in arrays are formed in the lower mold cavity, and the plurality of first lugs and the plurality of second lugs are butted one by one to form a product profiling cavity after the upper mold cavity and the lower mold cavity are closed; through the reasonable setting of ejection mechanism, combine into gluey through-hole and the through-hole of wasting discharge, realize that the product of mesh board also can be through injection mold shaping.
Description
Technical Field
The utility model belongs to the technical field of the injection mold technique and specifically relates to a be applied to mould plastics mould benevolence assembly of mesh board.
Background
An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used in mass production of some parts having complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity under high pressure by an injection molding machine, and a formed product is obtained after cooling and solidification.
At present, when the product of preparation mesh board, as shown in fig. 1, because the quantity of hole is many on the product, consequently, the mode of adopting moulding plastics is difficult to the drawing of patterns, consequently most people adopt stamping forming's mode to make this product, but adopt stamping forming's mode can lead to the smoothness on product surface lower, especially make the punching press to longer mesh board, can lead to stamping forming back mesh board to have certain camber, and adopt stamping forming's mode production efficiency low, be unfavorable for quick batch production, to this, it moulds this mesh board product of moulding plastics to need to design an injection mold.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.
A mold core assembly applied to an injection molding mesh plate comprises an upper mold core and a lower mold core which are mutually covered, wherein an upper mold groove is formed in the surface, corresponding to the lower mold core, of the upper mold core, a lower mold groove is formed in the surface, corresponding to the upper mold core, of the lower mold core, a plurality of first lugs distributed in an array mode are arranged in the upper mold groove, a plurality of second lugs distributed in an array mode are formed in the lower mold groove, and the first lugs are in one-to-one butt joint with the second lugs, so that a product profiling cavity is formed after the upper mold groove and the lower mold groove are closed; the product profiling cavity is sequentially and uniformly divided into a plurality of sections of injection molding areas from left to right, the part of the upper mold core corresponding to each section of injection molding area is provided with a glue inlet through hole and a waste discharge through hole, the glue inlet through hole is butted on a second lug on the lower mold core, and a glue inlet channel is formed in the second lug; the part of the lower die core corresponding to each section of injection molding area is provided with an ejection mechanism, the ejection mechanism comprises an edge thimble piece, a middle thimble piece and a water gap thimble piece, wherein the water gap thimble piece is positioned at a position close to the glue inlet channel, the end part of the middle thimble piece is butted with a second bump, and the second bump butted with the middle thimble piece is integrally formed on the end part of the middle thimble piece.
Preferably, the glue inlet channel comprises a spherical groove butted with the glue inlet through hole and a water port channel extending to the inside of the product profiling cavity along two sides of the spherical groove.
Preferably, the waste discharge through hole in each section of injection molding area is provided with a first waste discharge through hole and a second waste discharge through hole, the first waste discharge through hole is located at the front part of the injection molding area, and the second waste discharge through hole is located at the rear part of the injection molding area.
Preferably, the glue inlet through hole is close to the first waste discharge through hole, and the first waste discharge through hole corresponds to the water gap ejector pin.
Preferably, one group of the first bump and the second bump which are butted in each injection molding area are integrally formed long bumps, the long bumps are formed in the upper die cavity, a waste groove is formed in the position, corresponding to the long bumps, of the lower die cavity, a first row of waste through holes and the water gap thimble piece correspond to the long bumps, the first row of waste through holes penetrate through the long bumps, and the end portion of the water gap thimble piece corresponds to the bottom of the waste groove.
Preferably, the middle thimble piece is provided with a plurality of middle thimbles which are uniformly distributed at the front, middle and rear positions of the injection molding area.
Preferably, the periphery of the upper die core and the lower die core is provided with a slide mechanism, and the slide mechanism is butted on the periphery of the product profiling cavity.
Compared with the prior art, the beneficial effects of the utility model are that:
the injection molding die comprises an upper die core, a lower die core, an injection molding cavity, an ejection mechanism, a glue inlet through hole, a waste discharge through hole and an ejection mechanism, wherein the ejection mechanism is reasonably arranged to combine the glue inlet through hole and the waste discharge through hole, so that a product of a mesh plate can be molded through the injection molding die; on the basis, the ejection mechanism comprises an edge thimble piece, a middle thimble piece and a water gap thimble piece, wherein the edge thimble piece is mainly used for propping the edge of a molded product so as to smoothly demold the edge of the molded product; the middle thimble spare mainly used withstands the middle part of shaping product, in order to reach good ejecting effect, the tip butt joint of middle part thimble spare is in the second lug, makes the second lug integrated into one piece of butt joint middle part thimble spare on the tip of middle part thimble spare to improve the area of contact between middle part thimble spare and fashioned product, reduced the condition that the ejecting in-process led to the fact the drag injury to the shaping product.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
FIG. 1 is a schematic view of the mesh structure of the mesh plate of the present invention;
fig. 2 is a schematic structural diagram of the present invention;
FIG. 3 is a schematic structural view of the upper mold core of the present invention after being unfolded;
fig. 4 is a schematic diagram of the structure of fig. 3 a according to the present invention;
fig. 5 is a schematic structural view between the ejection mechanism and the lower die groove after ejection;
fig. 6 is a schematic structural diagram of the present invention at B in fig. 5.
The reference numbers and designations in the drawings are as follows:
the upper die core 10, the lower die core 20, the ejection mechanism 30, the slide mechanism 40, the upper die groove 11, the first bump 12, the glue inlet through hole 13, the waste discharge through hole 14, the glue inlet channel 15, the long bump 16, the lower die groove 21, the second bump 22, the waste material groove 23, the edge thimble piece 31, the middle thimble piece 32, the water gap thimble piece 33, the spherical groove 151 and the water gap channel 152.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, in an embodiment of the present invention, a mold core assembly for an injection molding mesh plate includes an upper mold core 10 and a lower mold core 20 which are covered with each other, an upper mold cavity 11 is disposed on a surface of the upper mold core 10 corresponding to the lower mold core 20, a lower mold cavity 21 is disposed on a surface of the lower mold core 20 corresponding to the upper mold core 10, a plurality of first bumps 12 arranged in an array are disposed in the upper mold cavity 11, a plurality of second bumps 22 arranged in an array are formed in the lower mold cavity 21, and the plurality of first bumps 12 and the plurality of second bumps 22 are in one-to-one butt joint, so that the upper mold cavity 11 and the lower mold cavity 21 form a product profiling cavity after being closed; the product profiling cavity is sequentially and uniformly divided into a plurality of sections of injection molding areas from left to right, the part of the upper mold core 10 corresponding to each section of injection molding area is provided with a glue inlet through hole 13 and a waste discharge through hole 14, the glue inlet through hole 13 is butted on a second lug 22 on the lower mold core 20, and a glue inlet channel 15 is arranged on the second lug 22; the part of the lower die core 20 corresponding to each section of injection molding area is provided with an ejection mechanism 30, the ejection mechanism 30 comprises an edge thimble piece 31, a middle thimble piece 32 and a water gap thimble piece 33, wherein the water gap thimble piece 33 is positioned at a position close to the glue inlet channel 15, the end part of the middle thimble piece 32 is butted with the second bump 22, and the second bump 22 butted with the middle thimble piece 32 is integrally formed on the end part of the middle thimble piece 32.
In the technical scheme, a mold core assembly is arranged, which comprises a product profiling cavity for forming a mesh plate, the product profiling cavity is divided, so that the product profiling cavity is sequentially and uniformly divided into a plurality of sections of injection molding areas from left to right, each section of injection molding area is correspondingly provided with a glue inlet through hole 13, a waste discharge through hole 14 and an ejection mechanism 30, wherein the glue inlet through hole 13 and the waste discharge through hole 14 are respectively arranged on an upper mold core 10, so that each section of injection molding area can form an open feeding loop through the glue inlet through hole 13 and the waste discharge through hole 14, and the injection molding material can be ensured to fill the product profiling cavity after entering the product profiling cavity from the glue inlet through hole 13; on the basis, the ejection mechanism 30 comprises an edge thimble piece 31, a middle thimble piece 32 and a water gap thimble piece 33, wherein the edge thimble piece 31 is mainly used for propping the edge of a formed product so as to ensure that the edge of the formed product is smoothly demoulded; the middle thimble piece 32 is mainly used for propping the middle of a formed product, in order to achieve a good ejection effect, the end part of the middle thimble piece 32 is butted on the second bump 22, so that the second bump 22 butted with the middle thimble piece 32 is integrally formed on the end part of the middle thimble piece 32, thereby improving the contact area between the middle thimble piece 32 and the formed product, and reducing the condition of dragging injury to the formed product in the ejection process.
Referring to fig. 6, the glue inlet passage 15 includes a spherical groove 151 in butt joint with the glue inlet through hole 13 and a water outlet passage 152 extending to the inside of the product profiling cavity along two sides of the spherical groove 151, the glue inlet passage 15 is arranged by using the structure of the second bump 22, and the glue inlet passage 15 adopts the structural design of the spherical groove 151 and the water outlet passage 152, so that glue can enter the product profiling cavity after being buffered by the spherical groove 151, thereby reducing the occurrence of bubbles due to too large impact during glue inlet.
Referring to fig. 2-4, the waste discharge through hole 14 of each injection molding area is provided with a first waste discharge through hole 14 and a second waste discharge through hole 14, the first waste discharge through hole 14 is located at the front part of the injection molding area, and the second waste discharge through hole 14 is located at the rear part of the injection molding area, so that the injection molding material can more smoothly fill the product profiling cavity; in addition, advance gluey through-hole 13 and be close to first useless through-hole 14 that wastes, and first useless through-hole 14 that wastes corresponds with mouth of a river thimble piece 33, the design of this structure for the bubble that appears when advancing gluey can be followed first useless through-hole 14 and is discharged.
Referring to fig. 4-6, a set of the first protrusion 12 and the second protrusion 22 butted in each injection molding region are integrally formed as long protrusions 16, the long protrusions 16 are formed in the upper mold cavity 11, a waste chute 23 is formed at a position corresponding to the long protrusions 16 on the lower mold cavity 21, the first row of waste through holes 14 and the nozzle thimble 33 correspond to the long protrusions 16, wherein the first row of waste through holes 14 penetrate through the long protrusions 16, and an end of the nozzle thimble 33 corresponds to a bottom of the waste chute 23.
Referring to fig. 2 and 5, a plurality of middle thimble elements 32 are provided, and the middle thimbles are uniformly arranged at the front, middle and rear positions of the injection molding area; a slide mechanism 40 is arranged around the upper mold core 10 and the lower mold core 20, and the slide mechanism 40 is in butt joint with the periphery of the product profiling cavity.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (7)
1. A mould core assembly applied to an injection mesh plate is characterized by comprising an upper mould core and a lower mould core which are mutually covered, wherein an upper mould groove is formed in the surface of the upper mould core corresponding to the lower mould core, a lower mould groove is formed in the surface of the lower mould core corresponding to the upper mould core, a plurality of first lugs distributed in an array manner are arranged in the upper mould groove, a plurality of second lugs distributed in an array manner are formed in the lower mould groove, and the first lugs and the second lugs are in one-to-one butt joint, so that a product profiling cavity is formed after the upper mould groove and the lower mould groove are closed; the product profiling cavity is sequentially and uniformly divided into a plurality of sections of injection molding areas from left to right, the part of the upper mold core corresponding to each section of injection molding area is provided with a glue inlet through hole and a waste discharge through hole, the glue inlet through hole is butted on a second lug on the lower mold core, and a glue inlet channel is formed in the second lug; the part of the lower die core corresponding to each section of injection molding area is provided with an ejection mechanism, the ejection mechanism comprises an edge thimble piece, a middle thimble piece and a water gap thimble piece, wherein the water gap thimble piece is positioned at a position close to the glue inlet channel, the end part of the middle thimble piece is butted with a second bump, and the second bump butted with the middle thimble piece is integrally formed on the end part of the middle thimble piece.
2. The mold insert assembly of claim 1, wherein the glue inlet channel comprises a spherical groove abutting against the glue inlet through hole and a water port channel extending along two sides of the spherical groove into the product profiling cavity.
3. The mold insert assembly of claim 1, wherein the waste discharge through hole of each injection molding area is provided with a first waste discharge through hole and a second waste discharge through hole, the first waste discharge through hole is located at the front part of the injection molding area, and the second waste discharge through hole is located at the rear part of the injection molding area.
4. The mold insert assembly of claim 3, wherein the glue inlet hole is adjacent to the first waste discharge hole, and the first waste discharge hole corresponds to the nozzle pin.
5. The mold insert assembly of claim 4, wherein the first and second protrusions are integrally formed long protrusions, the long protrusions are formed in the upper cavity, the lower cavity is provided with a waste groove corresponding to the long protrusions, the first row of waste through holes and the nozzle tip element correspond to the long protrusions, the first row of waste through holes penetrates the long protrusions, and the end of the nozzle tip element corresponds to the bottom of the waste groove.
6. The mold insert assembly of claim 1, wherein the plurality of middle pins are uniformly arranged at the front, middle and rear portions of the injection molding region.
7. The mold core assembly of claim 1, wherein the upper mold core and the lower mold core are provided with a slide mechanism around the upper mold core and the lower mold core, and the slide mechanism is abutted to the periphery of the product profiling cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221539112.0U CN217670793U (en) | 2022-06-20 | 2022-06-20 | Be applied to mould plastics mesh plate's mould benevolence assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221539112.0U CN217670793U (en) | 2022-06-20 | 2022-06-20 | Be applied to mould plastics mesh plate's mould benevolence assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217670793U true CN217670793U (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221539112.0U Active CN217670793U (en) | 2022-06-20 | 2022-06-20 | Be applied to mould plastics mesh plate's mould benevolence assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217670793U (en) |
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2022
- 2022-06-20 CN CN202221539112.0U patent/CN217670793U/en active Active
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