CN216465885U - Verification mould for plastic particle development - Google Patents
Verification mould for plastic particle development Download PDFInfo
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- CN216465885U CN216465885U CN202122798600.5U CN202122798600U CN216465885U CN 216465885 U CN216465885 U CN 216465885U CN 202122798600 U CN202122798600 U CN 202122798600U CN 216465885 U CN216465885 U CN 216465885U
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Abstract
The utility model relates to the field of injection molds. The plastic particle development verification mould comprises an injection mould body, wherein the injection mould body comprises a fixed mould core and a movable mould core, two outer convex parts which are oppositely arranged at the left and right are arranged on the movable mould core, two inner concave parts which are oppositely arranged at the left and right are arranged on the fixed mould core, and two outer convex parts of the movable mould core and the two inner concave parts of the fixed mould core enclose two cavities; and half area of two concave parts is smooth part, the other half area is frosted part, the smooth part and frosted part are arranged in front and back; the smooth part and the frosted part are both provided with strip-shaped bulges with the length directions in the left-right direction; the outer convex part is provided with a strip-shaped groove embedded with the strip-shaped protrusion. This patent provides an injection mold suitable for plastic granule development.
Description
Technical Field
The utility model relates to the technical field of injection molding, in particular to an injection mold for new material development.
Background
The requirement of plastic particle material injection molding in the industry is higher and higher. On one hand, a large amount of high-gloss mirror surfaces are applied in the spraying-free market, and zero defects are required for the molding appearance of materials, and on the other hand, the downstream injection molding plants tend to have shorter molding period and smaller gates, so that cost reduction and efficiency improvement are brought.
The traditional material development depends on conventional physical indexes and test mold sample materials, but means for repeatedly simulating an application scene of an injection molding end is always lacked, so that better related material characteristics are restricted.
At present, an injection mold suitable for developing plastic granules is lacked.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a verification mold for plastic particle development, which is used for solving at least one technical problem.
In order to achieve the purpose, the utility model provides a verification mold for plastic particle development, which comprises an injection mold body, wherein the injection mold body comprises a fixed mold core and a movable mold core, and is characterized in that two outer convex parts which are oppositely arranged at the left and the right are arranged on the movable mold core, two inner concave parts which are oppositely arranged at the left and the right are arranged on the fixed mold core, and two cavities are defined by the two outer convex parts of the movable mold core and the two inner concave parts of the fixed mold core;
one half area of the two concave parts is a smooth part, the other half area is a frosted part, and the smooth part and the frosted part are arranged in front and back;
the smooth part and the frosted part are both provided with strip-shaped bulges with the length directions in the left-right direction;
the movable mould core is provided with a strip-shaped groove embedded into the strip-shaped protrusion.
This patent provides an injection mold suitable for plastic granule development. Through smooth portion and dull polish portion combination embodiment on same product, the later stage of being convenient for is to the comparison of product to smooth mirror surface and dull polish face after moulding plastics. The surface problems, such as surface sink marks, gas marks, silver wires, etc., can be obviously compared. The combination of the strip-shaped groove and the strip-shaped protrusion is arranged on the fixed die core and the movable die core, so that the strength of the curved surface of the injection molded product can be tested conveniently. The method is convenient for verifying the flowability of the plastic particles at high temperature, and further knows whether the plastic particles are suitable for injection molding of arc-shaped bent thin-wall products.
Further preferably, the inner wall of the strip-shaped groove is cylindrical, and the outer wall of the strip-shaped protrusion is cylindrical.
Further preferably, the outer convex part has a sheet-shaped groove at its corner, and the sheet-shaped grooves at adjacent corners on the outer convex part have different thicknesses.
The sheet-shaped groove is used as a reinforcing rib of the injection molding part. The forming verification of the reinforcing ribs of the product is convenient to realize.
Further preferably, the length of the convex portion in the left-right direction is smaller than the length of the convex portion in the front-rear direction;
the thickness of the sheet-shaped grooves on the front side and the rear side of the outer convex part is 0.8 mm;
the thickness of the sheet-shaped grooves on the left side and the right side of the outer convex part is 0.6 mm.
Preferably, the outer convex part is provided with four corners, the four corners are provided with annular grooves, the annular grooves are communicated with the outer wall of the outer convex part through two communicating grooves, and the length directions of the two communicating grooves are perpendicular to each other.
The injection molding of the mounting column is convenient to realize through the annular groove, and the later stage is used for verifying whether the mounting screw can crack or not.
Further preferably, the outer convex part comprises an outer part and an inner part which are arranged inside and outside, and a zigzag groove is arranged between the outer part and the inner part;
a runner communicated with the square-back groove is formed in the inner part of the groove, and the end part of the runner communicated with the square-back groove is a pouring gate;
the gates of the two convex parts are respectively a side gate and a submarine gate.
The product of different runners is convenient to obtain through different runner structures, carries out the performance comparison.
Further preferably, the material of the core insert and the cavity insert is NAK 80.
Has long-term durability, reliability and practical popularization and application.
Further preferably, the outer convex part is provided with a protrusion, and when the cavity block and the core block are assembled downwards, the protrusion abuts against the inner wall of the inner concave part.
Facilitating the formation of through holes in the injection molded part.
Further preferably, four corners of the outer convex part are provided with guide holes for the sleeve pin to slide up and down.
Drawings
FIG. 1 is a schematic structural view of a movable mold assembly with a movable mold core according to the present invention;
FIG. 2 is a schematic structural view of a stationary mold assembly with a stationary mold core according to the present invention;
FIG. 3 is a schematic view of a runner and an injection molded part of the present invention;
FIG. 4 is a schematic view of another aspect of the runner and injection molded part of the present invention;
FIG. 5 is an exploded view of the injection mold body of the present invention;
FIG. 6 is an enlarged view of a portion of the structure of FIG. 1 in accordance with the present invention.
Wherein: the injection molding die comprises a fixed die core 1, a movable die core 2, a ejector pin 3, an injection molding piece 4, a reset rod 5, a sprue 6, an inward concave part 11, a strip-shaped protrusion 12, an outward convex part 21, a sheet-shaped groove 22, a protrusion 23, an annular groove 24, a cylindrical inward concave part 41, a reinforcing rib 42 and a through hole 43.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Referring to fig. 1 to 6, embodiment 1: the plastic particle development verification mold comprises an injection mold body, wherein the injection mold body comprises a fixed mold core 1 and a movable mold core 2, two outer convex parts 21 which are oppositely arranged left and right are arranged on the movable mold core 2, two inner concave parts 11 which are oppositely arranged left and right are arranged on the fixed mold core 1, and two outer convex parts 21 of the movable mold core 2 and two inner concave parts 11 of the fixed mold core 1 enclose two cavities; and half area of two concave parts 11 is smooth part, the other half area is dull polish part of the shape of sand, smooth part and dull polish part set up in the front and back; the smooth part and the frosted part are both provided with strip-shaped bulges 12 with the length direction in the left-right direction; the outer convex portion 21 is provided with a strip-shaped groove into which the strip-shaped protrusion 12 is fitted. This patent provides an injection mold suitable for plastic granule development. Through smooth portion and dull polish portion combination embodiment on same product, the later stage of being convenient for is to the comparison of product to smooth mirror surface and dull polish face after moulding plastics. The surface problems, such as surface sink marks, gas marks, silver wires, etc., can be obviously compared. The combination of the strip-shaped groove and the strip-shaped protrusion 12 arranged on the fixed die core 1 and the movable die core 2 facilitates the testing of the strength of the curved surface of the injection molded product. The method is convenient for verifying the flowability of the plastic particles at high temperature, and further knows whether the plastic particles are suitable for injection molding of arc-shaped bent thin-wall products.
The inner wall of the strip-shaped groove is cylindrical, and the outer wall of the strip-shaped protrusion 12 is cylindrical.
The outer convex part 21 is provided with a sheet-shaped groove 22 at the corner part, and the sheet-shaped grooves 22 at the adjacent corner parts on the outer convex part 21 are different in thickness. The sheet-like recesses 22 serve as reinforcing ribs for the injection-molded part 4. The forming verification of the reinforcing ribs of the product is convenient to realize.
The length of the convex portion 21 in the left-right direction is smaller than the length of the convex portion 21 in the front-rear direction; the thickness of the sheet-like grooves 22 on the front and rear sides of the convex portion 21 is 0.8 mm; the left and right sheet-like recesses 22 of the male protrusion 21 have a thickness of 0.6 mm.
The outer convex part 21 comprises an outer part and an inner part which are arranged inside and outside, and a square-back-shaped groove is arranged between the outer part and the inner part; a flow channel communicated with the square-shaped groove is formed in the inner part of the runner, and the end part of the flow channel communicated with the square-shaped groove is a pouring gate 6; the gates 6 of the two convex portions 21 are a side gate and a submarine gate, respectively. The product of different runners is convenient to obtain through different runner structures, carries out the performance comparison.
The material of the cavity block 1 and the cavity block 2 is NAK 80. Has long-term durability, reliability and practical popularization and application.
The outer convex part is provided with a protrusion 23, and when the fixed die core 1 and the movable die core 2 are downwards spliced, the protrusion 23 is abutted against the inner wall of the inner concave part. Facilitating the formation of through holes in the injection molded part.
Four corners of the outer convex part are provided with guide holes for the sleeve ejector pin 3 to slide up and down.
The injection mold body comprises a movable mold component and a movable mold component. The movable mould component comprises a reset rod 5, a spring, a bottom plate, a movable mould core and the like. The structure of the injection mold body of this patent can select to adopt traditional mould structure to carry out injection moulding. Therefore, the present patent does not describe each member of the injection mold body in detail.
Referring to fig. 3 and 4, the injection molded part 4 formed by the cavity comprises a cover body with an opening at the lower end, reinforcing ribs 42 matched with the sheet-shaped grooves are arranged on the inner wall of the cover body, mounting columns matched with the annular grooves are arranged at four corners of the inner wall of the cover body, connecting ribs matched with the communicating grooves are connected to the outer walls of the mounting columns, and the connecting ribs are connected with the inner wall of the cover body. The cover body is provided with a through hole 43 matched with the protrusion. The upper surface of the cover body is a smooth surface and a frosted surface which are arranged in front and back. The front and rear ends of the cover body are provided with cylindrical concave portions 41. When the cylindrical inner concave part is spliced with the fixed die core and the movable die core, the strip-shaped bulges are matched with the areas among the strip-shaped grooves.
Has the advantages that: 1) this patent is through optimizing injection mold's the optimization of cover half benevolence and movable mould benevolence structure, and the development is verified to the plastic granule to the formed part that is applicable to injection moulding.
2) The two cavities are injection molded through two different gates. And comparison and verification are facilitated.
3) Through the combination of dull polish portion and smooth portion, be convenient for compare the appearance characteristic of product.
4) The cylindrical structure of the injection molding piece is additionally arranged, so that the flowability of the plastic particles during molding is convenient to verify.
5) Through slice recess shaping strengthening rib, be convenient for to the analysis of the toughness behind the plastic granule shaping.
6) Through annular groove department shaping erection column, the verification analysis of the screw joint strength of being convenient for.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (8)
1. The plastic particle development verification mold comprises an injection mold body, wherein the injection mold body comprises a fixed mold core and a movable mold core, and is characterized in that two outer convex parts which are oppositely arranged from left to right are arranged on the movable mold core, two inner concave parts which are oppositely arranged from left to right are arranged on the fixed mold core, and two outer convex parts of the movable mold core and two inner concave parts of the fixed mold core enclose two cavities;
one half area of the two concave parts is a smooth part, the other half area is a frosted part, and the smooth part and the frosted part are arranged in front and back;
the smooth part and the frosted part are both provided with strip-shaped bulges with the length directions in the left-right direction;
the outer convex part is provided with a strip-shaped groove embedded into the strip-shaped protrusion.
2. The verification mold for plastic particle development as claimed in claim 1, wherein: the inner wall of the strip-shaped groove is cylindrical, and the outer wall of the strip-shaped protrusion is cylindrical.
3. The verification mold for plastic particle development as claimed in claim 1, wherein: the outer convex part is provided with a sheet-shaped groove at the edge part, and the thickness of the sheet-shaped grooves at the adjacent edge parts on the outer convex part is different.
4. The verification mold for plastic particle development as claimed in claim 3, wherein: the length of the outer convex part in the left-right direction is smaller than the length of the outer convex part in the front-back direction;
the thickness of the sheet-shaped grooves on the front side and the rear side of the outer convex part is 0.8 mm;
the thickness of the sheet-shaped grooves on the left side and the right side of the outer convex part is 0.6 mm.
5. The verification mold for plastic particle development as claimed in claim 1, wherein: annular grooves are formed in four corners of the outer convex portion, the annular grooves are communicated with the outer wall of the outer convex portion through two communicating grooves, and the length directions of the two communicating grooves are perpendicular to each other.
6. The verification mold for plastic particle development as claimed in claim 1, wherein: the outer convex part comprises an outer part and an inner part which are arranged inside and outside, and a square-back-shaped groove is arranged between the outer part and the inner part;
a runner communicated with the square-back groove is formed in the inner part of the groove, and the end part of the runner communicated with the square-back groove is a pouring gate;
the gates of the two convex parts are respectively a side gate and a submarine gate.
7. The verification mold for plastic particle development as claimed in claim 1, wherein: the material of the core insert and the core insert is NAK 80.
8. The verification mold for plastic particle development as claimed in claim 1, wherein: the outer convex part is provided with a bulge, and when the fixed die core and the movable die core are spliced downwards, the bulge is abutted against the inner wall of the inner concave part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122798600.5U CN216465885U (en) | 2021-11-16 | 2021-11-16 | Verification mould for plastic particle development |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122798600.5U CN216465885U (en) | 2021-11-16 | 2021-11-16 | Verification mould for plastic particle development |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216465885U true CN216465885U (en) | 2022-05-10 |
Family
ID=81396140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122798600.5U Active CN216465885U (en) | 2021-11-16 | 2021-11-16 | Verification mould for plastic particle development |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216465885U (en) |
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2021
- 2021-11-16 CN CN202122798600.5U patent/CN216465885U/en active Active
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