CN219705931U - Double-colored injection mold - Google Patents
Double-colored injection mold Download PDFInfo
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- CN219705931U CN219705931U CN202321272167.4U CN202321272167U CN219705931U CN 219705931 U CN219705931 U CN 219705931U CN 202321272167 U CN202321272167 U CN 202321272167U CN 219705931 U CN219705931 U CN 219705931U
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- mold
- sliding
- push rod
- die
- injection mold
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- 238000002347 injection Methods 0.000 title claims abstract description 24
- 239000007924 injection Substances 0.000 title claims abstract description 24
- 229920001875 Ebonite Polymers 0.000 claims abstract description 21
- 239000003292 glue Substances 0.000 claims description 14
- 238000001746 injection moulding Methods 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Abstract
The utility model discloses a double-color injection mold, which relates to the field of double-color injection molding equipment and adopts the technical scheme that the double-color injection mold comprises a front mold, wherein two front molds are symmetrically arranged on the axis of the mold, namely a front mold I and a front mold II, a hard rubber runner is arranged on the front mold I, a soft rubber runner is arranged on the front mold II, an outlet at the bottom of the hard rubber runner is communicated with a hard rubber groove, and an outlet at the bottom of the soft rubber runner is communicated with the soft rubber groove. The double-color injection mold has the beneficial effects that when hard rubber or soft rubber is injected, the mold clamping force of the injection molding machine is used for driving the rear mold sliding block to drive the floating block on the push plate to float up and down, so that the requirement of forming a second color product on the reverse side of a first color product can be met.
Description
Technical Field
The utility model relates to the field of double-shot injection molding equipment, in particular to a double-shot injection mold.
Background
The bicolor mould is formed by two different materials through two injection molding processes on the same injection molding machine. After the first color injection molding, the front mold and the rear mold are opened, the two sets of molds of the rear mold rotate 180 degrees, and after the molds are closed, another color product is injected. So that the two sets of dies of the bicolor die are identical in the rear die part and different in the front die part according to different shapes of products.
Since the rear mold portions of both sets of molds are identical, the two-color mold products are both the second color product on the front side of the first color product, but the second color product is on the back side of the first color product, and a new mechanism is needed to solve the above-mentioned problems.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a double-color injection mold, which solves the problem that the prior injection mold can not realize the molding of a second color product on the reverse side of a first color product.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a double-color injection mold comprises a mold body,
the front mold is symmetrically arranged on the axis of the mold, namely a first front mold and a second front mold, wherein the first front mold is provided with a hard rubber runner, and the second front mold is provided with a soft rubber runner;
the rear molds are arranged in two, and the two rear molds have the same structure;
the shovel machines are arranged on the inner wall of the first front die;
the sliding blocks are arranged at two sides of the inner bottom of the rear die in a sliding manner, and the outer side surfaces of the sliding blocks are in sliding contact with the side surfaces of the bottom of the shovel;
the push rod is in sliding connection with the rear die, the top of the push rod is propped against the front die II, and the bottom of the push rod is connected with a push plate;
the top of the push plate is fixedly provided with a floating block, and two side surfaces of the bottom are in sliding contact with the inner side surface of the sliding block.
The two rear molds are symmetrically arranged on the axis of the mold, the two sliding blocks are symmetrically arranged on the axis of the mold, grooves are symmetrically formed in two sides of the inner bottom of the rear mold, sliding ways are fixedly arranged in the grooves through bolts, and the bottoms of the sliding blocks are in sliding connection with the sliding ways.
Springs are arranged on the side walls, close to the two grooves, of the two sliding blocks, and spring connecting grooves are formed on the side walls, facing the push plate, of the two sliding blocks;
and two ends of the spring are fixedly connected with the side wall of the groove and the inner wall of the spring connecting groove respectively.
Parallel push rod sliding grooves are symmetrically formed in the rear die, and the push rods are in sliding connection with the push rod sliding grooves.
The push plate top symmetry is provided with the reverse T shape groove, the push rod bottom sets up to the reverse T font, the push rod bottom set up in the reverse T shape groove.
The two shovels are symmetrically arranged on the axis of the die;
the sides of the two sliding blocks, which are far away from each other, are all provided with inclined planes, and the side surface of the bottom of the shovel, which is close to the sliding blocks, is provided with the inclined planes.
The two sides of the sliding blocks, which are close to each other, are all provided with inclined surfaces, and the two sides of the bottom of the push plate are provided with inclined surfaces.
The two shoveling machines are fixedly arranged on one side, close to the rear die, of the front die through bolts.
Still include hard rubber groove and soft rubber groove, hard rubber runner bottom export is linked together with the hard rubber groove, soft rubber runner bottom export is linked together with the soft rubber groove, the soft rubber groove is located the reverse side one end in hard rubber groove.
When the first color hard glue product is injected, the first front mould is clamped with the rear mould, and when the second color soft glue product is injected, the second front mould is clamped with the rear mould;
the distance that the floating block moves upwards when the front die I and the rear die are clamped is equal to the distance that the push rod is pressed by the front die II to push the push plate to move downwards when the front die II and the rear die are clamped.
Compared with the prior art, the method has the following beneficial effects: the double-color injection mold has the advantages that when hard rubber or soft rubber is injected, the rear mold sliding block is driven by the mold clamping force of the injection molding machine to drive the floating blocks on the push plate to float up and down, the requirement that the second color product is molded on the reverse side of the first color product can be met, and the double-color injection mold is simple and reasonable and can be widely popularized and applied in the field of double-color injection molds.
Drawings
Fig. 1 is a schematic diagram of a structure of a front mold and a rear mold closing when a first color hard glue product is injection molded according to an embodiment of the utility model.
Fig. 2 is a schematic structural diagram of a second front mold and a second rear mold when the second color soft adhesive is injected.
Fig. 3 is a partial enlarged view of a of fig. 2.
Fig. 4 is a schematic diagram of the positions of the soft rubber groove and the hard rubber groove according to an embodiment of the utility model.
In the figure:
1. a first front mold; 2. a rear mold; 3. a shovel; 4. a slide block; 5. a spring; 6. a push rod; 7. a slider; 8. a push plate; 9. a hard rubber runner; 10. a soft rubber runner; 11. a front mold II; 901. a hard glue groove; 101. a soft rubber groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1 to 4, the utility model provides a double-shot injection mold, which comprises a front mold and a rear mold, wherein the front mold is symmetrically arranged in two according to the axis of the mold, namely a front mold 1 and a front mold two 11, the inner wall of the front mold 1 is symmetrically provided with two shovels 3, two sliding blocks 4 are slidably arranged on two sides of the bottom in the rear mold 2, the two sliding blocks 4 are symmetrically arranged according to the axis of the mold, the front mold 1 is provided with a hard rubber runner 9, the front mold two 11 is provided with a soft rubber runner 10, the bottom outlet of the hard rubber runner 9 is communicated with a hard rubber groove 901, and the bottom outlet of the soft rubber runner 10 is communicated with a soft rubber groove 101;
the two shovels 3 are symmetrically arranged on the axis of the die;
the two rear molds 2 are symmetrically arranged on the axis of the mold, and the two rear molds 2 have the same structure;
the rear die 2 is connected with two push rods 6 in a sliding way, the top of each push rod 6 is propped against the front die II 11, and the bottom of each push rod 6 is connected with a push plate 8;
the top of the push plate 8 is fixedly provided with a floating block 7, and two side surfaces of the bottom are in sliding contact with the inner side surface of the sliding block 4.
Springs 5 are symmetrically arranged at the inner bottom of the rear die 2, and two ends of each spring 5 are fixedly connected with the inner bottom of the rear die 2 and the sliding block 4 respectively;
parallel push rod sliding grooves are symmetrically arranged on the rear die 2, and a push rod 6 is in sliding connection with the push rod sliding grooves.
The side surfaces of the two sliding blocks 4, which are far away from each other, are all inclined surfaces, the side surface of the bottom of the shovel machine 3, which is close to the sliding blocks 4, is provided with an inclined surface, and the outer side surface of the sliding block 4 is in sliding contact with the side surface of the bottom of the shovel machine 3;
the sides of the two sliding blocks 4 close to each other are all provided with inclined planes, and the two sides of the bottom of the push plate 8 are provided with inclined planes.
The two shovels 3 are fixedly arranged on one side of the front die 1, which is close to the rear die 2, through bolts.
The soft rubber groove 101 is positioned at one end of the reverse side of the hard rubber groove 901.
When the first color hard glue product is injected, the front mould 1 and the rear mould 2 are clamped, and when the second color soft glue is injected, the front mould 11 and the rear mould 2 are clamped;
the distance that the floating block 7 moves upwards when the front die 1 and the rear die 2 are matched is equal to the distance that the push rod 6 is pressed by the front die 11 to push the push plate 8 to move downwards when the front die 11 and the rear die 2 are matched.
When the hard glue injection molding machine is used, when a first color hard glue product is injected, the mold is assembled, the shovel 3 fixed on the front mold 1 can push the two sliding blocks 4 to advance forwards, the sliding blocks 4 overcome the pressure of the springs 5 to push the push plate 8 upwards, the floating blocks 7 are fixed on the push plate 8, at the moment, the floating blocks 7 are as flat as the hard glue positions, and the hard glue groove 901 is filled with the hard glue through the hard glue runner 9 by the injection molding machine.
When the second color soft rubber is injected, the back mold 2 is opened, the back mold parts are the same, the front mold parts are different, the front mold part is not provided with a front mold 11 fixed on the front mold 1, the front mold 11 presses the push rod 6 to push the push plate 8 to move downwards to be flat with the template, the floating block 7 fixed on the push plate 8 also moves downwards, the sliding block 4 is retracted under the resilience force of the spring 5, the soft rubber is injected into the soft rubber groove 101 through the runner soft rubber runner 10 after the front mold 1 is closed, and the soft rubber is molded in fig. 3.
Example 2
On the basis of the embodiment 1, grooves are symmetrically formed in two sides of the inner bottom of the rear die 2, a slideway is fixedly arranged in the grooves through bolts, and the bottom of the sliding block 4 is in sliding connection with the slideway.
Springs 5 are arranged on the side walls of the two grooves, which are close to each other, and spring connecting grooves are arranged on the side walls of the two sliding blocks 4, which face the push plate 8;
the two ends of the spring 5 are fixedly connected with the side wall of the groove and the inner wall of the spring connecting groove respectively.
The bottom and the slide sliding connection of slider 4 for slider 4 can remove along the slide, prevents that slider 4 from shifting, increases the stability of structure, guarantees shaping quality.
Example 3
On the basis of embodiment 1, the top of the push plate 8 is symmetrically provided with an inverted T-shaped groove, the bottom of the push rod 6 is arranged in the inverted T-shaped groove, and the bottom of the push rod 6 is arranged in the inverted T-shaped groove.
The bottom of the push rod 6 is arranged in the inverted T-shaped groove, so that the push rod 6 can be prevented from shifting in the process of opening and closing the die, the front die and the rear die can be completely matched, and the molding quality is ensured.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A double-color injection mold is characterized by comprising,
the front mold comprises two front molds, namely a first front mold (1) and a second front mold (11), wherein the two front molds are symmetrically arranged on the axis of the mold, a hard rubber runner (9) is arranged on the first front mold (1), and a soft rubber runner (10) is arranged on the second front mold (11);
the two rear molds (2) are arranged, and the two rear molds (2) have the same structure;
the shovel machines (3) are arranged in two and are arranged on the inner wall of the front die I (1);
the two sliding blocks (4) are arranged and are arranged on two sides of the inner bottom of the rear die (2) in a sliding manner, and the outer side surfaces of the sliding blocks (4) are in sliding contact with the side surfaces of the bottom of the shovel (3);
the push rod (6) is in sliding connection with the rear die (2), the top of the push rod is propped against the front die II (11), and the bottom of the push rod is connected with the push plate (8);
the top of the push plate (8) is fixedly provided with a floating block (7), and two side surfaces of the bottom are in sliding contact with the inner side surface of the sliding block (4).
2. The bicolor injection mold according to claim 1, wherein two rear molds (2) are symmetrically arranged on the axis of the mold, two sliding blocks (4) are symmetrically arranged on the axis of the mold, grooves are symmetrically formed on two sides of the inner bottom of each rear mold (2), sliding ways are fixedly arranged in the grooves through bolts, and the bottoms of the sliding blocks (4) are in sliding connection with the sliding ways.
3. The double-shot injection mold according to claim 2, wherein springs (5) are arranged on the side walls of the two grooves, which are close to each other, and spring connecting grooves are formed on the side walls of the two sliding blocks (4), which face the push plate (8);
the two ends of the spring (5) are fixedly connected with the side wall of the groove and the inner wall of the spring connecting groove respectively.
4. The bicolor injection mold according to claim 1, wherein parallel push rod sliding grooves are symmetrically arranged on the rear mold (2), and the push rod (6) is in sliding connection with the push rod sliding grooves.
5. The bicolor injection mold according to claim 1, wherein the top of the push plate (8) is symmetrically provided with an inverted T-shaped groove, the bottom of the push rod (6) is arranged in an inverted T shape, and the bottom of the push rod (6) is arranged in the inverted T-shaped groove.
6. Bicolor injection mold according to claim 1, characterized in that the two shovels (3) are arranged symmetrically with respect to the axis of the mold;
the sides of the two sliding blocks (4) far away from each other are all provided with inclined planes, and the side surface of the bottom of the shovel machine (3) close to the sliding blocks (4) is provided with the inclined planes.
7. The bicolor injection mold according to claim 1, wherein the side surfaces of the two sliding blocks (4) close to each other are inclined surfaces, and the two side surfaces of the bottom of the push plate (8) are inclined surfaces.
8. The bicolor injection mold according to claim 1, wherein two shovels (3) are fixedly arranged on one side of the front mold one (1) close to the rear mold (2) through bolts.
9. The bicolor injection mold of claim 1, further comprising a hard rubber groove (901) and a soft rubber groove (101), wherein the bottom outlet of the hard rubber runner (9) is communicated with the hard rubber groove (901), the bottom outlet of the soft rubber runner (10) is communicated with the soft rubber groove (101), and the soft rubber groove (101) is positioned at one end of the reverse side of the hard rubber groove (901).
10. The two-shot injection mold according to claim 1, wherein the first front mold (1) is clamped with the rear mold (2) when injecting a first color hard glue product, and the second front mold (11) is clamped with the rear mold (2) when injecting a second color soft glue;
the distance that the floating block (7) moves upwards when the front die I (1) and the rear die (2) are clamped is equal to the distance that the push rod (6) pushes the push plate (8) to move downwards when the front die II (11) and the rear die (2) are clamped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321272167.4U CN219705931U (en) | 2023-05-23 | 2023-05-23 | Double-colored injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321272167.4U CN219705931U (en) | 2023-05-23 | 2023-05-23 | Double-colored injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219705931U true CN219705931U (en) | 2023-09-19 |
Family
ID=87997658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321272167.4U Active CN219705931U (en) | 2023-05-23 | 2023-05-23 | Double-colored injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219705931U (en) |
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2023
- 2023-05-23 CN CN202321272167.4U patent/CN219705931U/en active Active
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