CN215359684U - Injection mould - Google Patents
Injection mould Download PDFInfo
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- CN215359684U CN215359684U CN202120395183.7U CN202120395183U CN215359684U CN 215359684 U CN215359684 U CN 215359684U CN 202120395183 U CN202120395183 U CN 202120395183U CN 215359684 U CN215359684 U CN 215359684U
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- rod
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- feeding plate
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- movable die
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Abstract
The utility model belongs to the technical field of injection molding, and particularly relates to an injection mold which comprises a feeding plate with a feeding port and a movable mold with a feeding hole, wherein a stripping rod is arranged between the feeding plate and the movable mold; the movable die is provided with two or more feeding holes penetrating through the movable die plate body, when the feeding plate is attached to the movable die, the feeding plate and the movable die are enclosed to form a strip groove communicated with the feeding holes and an embedded groove for accommodating the stripping rod, the strip groove and the embedded groove have an overlapping area in the projection direction of the plate surface of the movable die, the embedded groove at the overlapping area and below the overlapping area is arranged close to the side where the movable die is located, and the strip groove is arranged close to the side where the feeding plate is located. The utility model can not only ensure the stability and reliability of the flow path of the injection liquid during injection molding, but also realize the automatic falling of the water gap during mold opening, thereby obviously improving the molding quality and efficiency.
Description
Technical Field
The utility model belongs to the technical field of injection molding, and particularly relates to an injection mold.
Background
The three-plate mold can obviously improve the appearance quality of a formed part by arranging material injection points at reasonable positions, and is widely applied to manufacturing products with high appearance requirements. The three-plate mold comprises a fixed mold, a movable mold and a feeding plate, wherein the fixed mold, the movable mold and the feeding plate are enclosed to form a cavity, a runner is arranged on the movable mold and guides materials to an injection point position of the molded surface, and after an injection molding piece is molded, waste materials remained in the runner need to be taken out in time. At present, after the movable mould is separated from the feeding plate, the arm of an operator or the manipulator of the operator stretches into the space between the movable mould and the feeding plate to remove the waste, so that potential safety hazards exist, the waste removing operation time is long, and the production efficiency of injection molding is influenced.
Chinese patent CN207859376U discloses an automatic water jet type three-plate die of bullet of car battery cover, including arranging preceding template, stripper plate and the back template that sets up in proper order, be provided with the hot runner cover between stripper plate and the back template, be provided with the drawing pin that runs through the stripper plate perpendicularly in the stripper plate, the one end and the hot runner cover of drawing the pin are connected, are provided with the bullet needle on the stripper plate, are provided with the spring in the bullet needle, and the bullet needle is located the one end of stripper plate towards the preceding template. The hot runner sleeve, the material pulling needle, the elastic needle and the spring are matched for use, so that a battery cover product can be separated from a water gap when the mold is opened, and the water gap can be automatically ejected and dropped.
When injection molding, the injection molding liquid flows through the bullet needle matched with the spring, pressure is applied to the bullet needle to enable the spring to contract inwards, the injection molding liquid enters the mounting hole of the bullet needle, the flowing form of the injection molding liquid is influenced, and then the injection molding effect is influenced. Further, if the sealing of bullet needle and pore wall became invalid, the appearance chamber of bullet needle and spring was full of to the liquid of moulding plastics, then can lead to the bullet needle to become invalid, can't push out the mouth of a river.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an injection mold, wherein a water gap can automatically fall off when the mold is opened.
In order to realize the purpose, the utility model adopts the technical scheme that: an injection mold comprises a feeding plate provided with a feeding port and a movable mold provided with a feeding hole, wherein a stripping rod is arranged between the feeding plate and the movable mold; the movable die is provided with two or more feeding holes penetrating through the movable die plate body, when the feeding plate is attached to the movable die, the feeding plate and the movable die are enclosed to form a strip groove communicated with the feeding holes and an embedded groove for accommodating the stripping rod, the strip groove and the embedded groove have an overlapping area in the projection direction of the plate surface of the movable die, the embedded groove at the overlapping area and below the overlapping area is arranged close to the side where the movable die is located, and the strip groove is arranged close to the side where the feeding plate is located.
Compared with the prior art, the utility model has the following technical effects: during injection molding, the material stripping rod is filled with the caulking groove, the feeding plate, the movable mold and the material stripping rod enclose a flow path of injection molding liquid together, the flow path is stable and reliable, and the molding quality can be effectively guaranteed. During the die sinking, take off material pole and movable mould separation energy drive the relative movable mould displacement of mouth of a river, treat mouth of a river and movable mould complete separation, the mouth of a river can drop again under the effect of gravity and then with take off the material pole separation, realize that the automation at mouth of a river drops, the clearance efficiency at mouth of a river is high, the waste material is clean effectual.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic view of a feeding plate and a movable mold in a separated state according to embodiment 1; FIG. 2 is a schematic view of an embodiment 2 with a feeding plate and a movable mold in a separated state; FIG. 3 is a schematic view of a movable mold in embodiment 1;
FIG. 4 is a schematic view of a stripper bar.
In the figure: 10. the material feeding device comprises a material feeding plate, 11 parts of a material filling port, 20 parts of a movable die, 21 parts of a material feeding hole, 30 parts of a material removing rod, 30a parts of a cross rod, 30b parts of a vertical rod, 31 parts of a strip groove, 32 parts of an embedding groove and 33 parts of a connecting rod.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
An injection mold comprises a feeding plate 10 provided with a feeding port 11 and a movable mold 20 provided with a feeding hole 21, wherein a stripping rod 30 is arranged between the feeding plate 10 and the movable mold 20; the movable die 20 is provided with two or more feeding holes 21 penetrating through the body of the movable die 20, and when the feeding plate 10 is attached to the movable die 20, the feeding plate and the movable die enclose a strip groove 31 communicating with the feeding holes 21 and an embedded groove 32 accommodating the stripping rod 30. The strip groove 31 and the caulking groove 32 have an overlapping region in the plate surface projection direction of the movable mold 20, so that when the stripping rod 30 moves outwards along the groove depth direction of the caulking groove 32, the water gap can be driven to move outwards together; the caulking groove 32 and the strip groove 31 are arranged on the side of the overlapping area and below the overlapping area, which is adjacent to the movable die 20, and the strip groove 31 is arranged on the side of the feeding plate 10, so that the interference between the rod body of the stripping rod 30 and the water gap A below the overlapping area can be avoided, and the smooth falling of the water gap A is ensured.
Under the state that the feeding plate 10 is tightly attached to the movable mold 20, the stripping rod 30 is embedded in the caulking groove 32, and the material enters the mold from the injection port 11, flows to the caulking groove 32 through the strip groove 31, and then enters the cavity of the movable mold 20 from the feeding hole 21. After the molding is finished, the feeding plate 10 is separated from the movable mold 20, and the stripping rod 30 is displaced outwards from the caulking groove 32, so that the water gap a is stripped from the movable mold 20 until the water gap a falls off.
Preferably, the stripping rod 30 is connected with the feeding plate 10 or the moving die 20 through a connecting rod 33, and the connecting rod 33 arranged longitudinally makes a linear displacement along a direction perpendicular to the plate surface of the feeding plate 10. In this embodiment, as shown in fig. 1 and 2, the connecting rod 33 connects the material removing rod 30 and the material feeding plate 10.
When the feeding plate 10 is jointed with the movable mold 20, the connecting rod 33 is embedded in the plate body of the feeding plate 10 or the movable mold 20,
when the feeding plate 10 is separated from the movable mold 20, the connecting rod 33 drives the stripping rod 30 to move away from the side where the feeding plate 10 is located,
when the feeding plate 10 and the movable die 20 are at the material removing position, the connecting rod 33 maintains the distance between the material removing rod 30 and the feeding plate 10, so that the distance between the material removing rod 30 and the feeding plate 10 is greater than or equal to the groove depth of the strip groove 31.
In one embodiment, as shown in fig. 1, the movable mold 20 is provided with two or more feeding holes 21 penetrating the body of the movable mold 20, and the movable mold 20 is provided with a strip groove 31 communicating with the feeding holes 21 and a caulking groove 32 accommodating the stripping bar 30. The groove bottom of the bar groove 31 is recessed toward the inner side of the plate body of the movable mold 20 at the overlapping region of the bar groove 31 and the caulking groove 32 in the plate surface projection direction of the movable mold 20 to form the caulking groove 32.
In the second embodiment, as shown in fig. 2, the surface of the movable mold 20 adjacent to the feeding mold 10 is recessed inward to form a recessed groove 32, the contour of the cavity of the recessed groove 32 matches the outer contour of the stripper bar 30, and the surface of the feeding mold 10 adjacent to the movable mold 20 is recessed inward to form a strip groove 31. Therefore, the strip groove 31 and the caulking groove 32 are ensured to have no overlapping area in the vertical direction, and the stripping rod 30 is further prevented from obstructing the water gap A from falling off and influencing the waste material cleaning effect.
Preferably, the stripping rod 30 comprises a cross rod 30a fixedly connected with a connecting rod 33 and a vertical rod 30b extending to the strip groove 31; the cross bar 30a, the material inlet hole 21 and the strip groove 31 do not have an overlapping region in the plate surface direction of the movable mold 20. Specifically, as shown in fig. 3, the material-removing rod 30 is a T-shaped rod composed of a cross rod 30a and a vertical rod 30b, two ends of the cross rod 30a are connected with a connecting rod 33, the cross rod 30a is located above the material inlet 21, and the vertical rod 30b extends downwards from the middle of the cross rod 30a to the lower end of the strip groove 31.
Claims (5)
1. An injection mold, its characterized in that: the device comprises a feeding plate (10) provided with a feeding port (11) and a movable die (20) provided with a feeding hole (21), wherein a stripping rod (30) is arranged between the feeding plate (10) and the movable die (20); the movable die (20) is provided with two or more feeding holes (21) penetrating through the plate body of the movable die (20), when the feeding plate (10) is attached to the movable die (20), the feeding plate and the movable die are enclosed to form a strip groove (31) communicating the feeding holes (21) and an embedded groove (32) accommodating the stripping rod (30), the strip groove (31) and the embedded groove (32) form an overlapped area in the plate surface projection direction of the movable die (20), the embedded groove (32) at the overlapped area and below the overlapped area is arranged at the side where the movable die (20) is adjacent, and the strip groove (31) is arranged at the side where the feeding plate (10) is adjacent.
2. An injection mold according to claim 1, characterized in that: the stripping rod (30) is connected with the feeding plate (10) or the moving die (20) through a connecting rod (33), and the connecting rod (33) which is longitudinally arranged makes linear displacement along the direction vertical to the plate surface of the feeding plate (10);
when the feeding plate (10) is attached to the movable mold (20), the connecting rod (33) is embedded in the plate body of the feeding plate (10) or the movable mold (20),
when the feeding plate (10) is separated from the moving die (20), the connecting rod (33) drives the stripping rod (30) to move towards the side far away from the feeding plate (10),
when the feeding plate (10) and the movable die (20) are positioned at a material removing position, the connecting rod (33) maintains the distance between the material removing rod (30) and the feeding plate (10), so that the distance between the material removing rod (30) and the feeding plate (10) is larger than or equal to the groove depth of the strip groove (31).
3. An injection mold according to claim 1, characterized in that: the surface of the movable mold (20) adjacent to the feeding plate (10) is inwards sunken to form an embedded groove (32), the outline of a groove cavity of the embedded groove (32) is matched with the outline of the stripping rod (30), and the surface of the feeding plate (10) adjacent to the movable mold (20) is inwards sunken to form a strip groove (31).
4. An injection mold according to claim 2, characterized in that: the stripping rod (30) comprises a cross rod (30a) fixedly connected with the connecting rod (33) and a vertical rod (30b) extending to the strip groove (31); the cross bar (30a), the feeding hole (21) and the strip groove (31) have no overlapped area in the plate surface direction of the movable mold (20).
5. An injection mold according to claim 4, wherein: the stripping rod (30) is a T-shaped rod consisting of a cross rod (30a) and a vertical rod (30b), two ends of the cross rod (30a) are connected with connecting rods (33), the cross rod (30a) is positioned above the feeding hole (21), and the vertical rod (30b) extends downwards from the middle part of the cross rod (30a) to the lower end of the strip groove (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120395183.7U CN215359684U (en) | 2021-02-22 | 2021-02-22 | Injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120395183.7U CN215359684U (en) | 2021-02-22 | 2021-02-22 | Injection mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215359684U true CN215359684U (en) | 2021-12-31 |
Family
ID=79622960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120395183.7U Active CN215359684U (en) | 2021-02-22 | 2021-02-22 | Injection mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215359684U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115026769A (en) * | 2022-06-30 | 2022-09-09 | 合肥汇通控股股份有限公司 | Auxiliary tool for assembling automobile ceiling and front dome lamp reinforcing frame |
-
2021
- 2021-02-22 CN CN202120395183.7U patent/CN215359684U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115026769A (en) * | 2022-06-30 | 2022-09-09 | 合肥汇通控股股份有限公司 | Auxiliary tool for assembling automobile ceiling and front dome lamp reinforcing frame |
| CN115026769B (en) * | 2022-06-30 | 2024-02-27 | 合肥汇通控股股份有限公司 | Auxiliary tool for assembling automobile roof and front dome lamp reinforcing frame |
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