CN215619556U - Double-color injection mold - Google Patents
Double-color injection mold Download PDFInfo
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- CN215619556U CN215619556U CN202121863082.4U CN202121863082U CN215619556U CN 215619556 U CN215619556 U CN 215619556U CN 202121863082 U CN202121863082 U CN 202121863082U CN 215619556 U CN215619556 U CN 215619556U
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- injection mold
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Abstract
The utility model discloses a double-color injection mold which comprises a body, wherein the body is used for molding a product (1), the product (1) comprises two parts, namely hard glue (1.1) and soft glue (1.2), the hard glue (1.1) is molded firstly, the soft glue (1.2) in a local area is molded secondly, the body comprises an upper mold (2), a lower mold (3) and a movable mold (4), the hard glue injection cavity is formed when the upper mold (2), the lower mold (3) and the movable mold (4) are combined together, the movable mold (4) is moved after the hard glue (1.1) is molded, and the soft glue injection cavity is formed between the movable mold (4) and the hard glue (1.1) after the movement. The utility model provides a double-color injection mold which meets the requirement of secondary injection molding, avoids secondary positioning operation on a product or a mold in the secondary injection molding process, ensures the qualification of injection molding and reduces the product molding cycle.
Description
Technical Field
The utility model relates to the field of injection molds, in particular to a double-color injection mold.
Background
In the production process of some injection-molded products, a plurality of different injection-molded materials may need to be respectively injection-molded, and in the multiple injection-molding process, the subsequent injection molding is usually performed in a manner of replacing an injection mold or replacing a sprue gate in a rotating manner. However, no matter the injection mold is replaced or the sprue is replaced by rotating for subsequent injection molding, the product or the mold needs to be positioned for the second time, which may result in a decrease in product yield and a longer molding cycle.
Disclosure of Invention
The technical problem to be solved by the utility model is as follows: the double-color injection mold has the advantages that the operation of secondary positioning on a product or a mold in the secondary injection molding process is avoided while the secondary injection molding is satisfied, the injection molding qualification is ensured, and the product molding cycle is shortened.
The technical scheme adopted by the utility model for solving the problems is as follows: the utility model provides a double-colored injection mold, includes the body, the body is used for the shaping product, the product includes ebonite and flexible glue two, the product carries out the ebonite shaping earlier, carries out the flexible glue shaping of local area after, the body includes mould, lower mould and removal mould, when going up mould, lower mould and the common compound die of removal mould three, form the ebonite chamber of moulding plastics, treat that the ebonite shaping is accomplished the back, remove the mould and remove, form the flexible glue chamber of moulding plastics between removal mould and the ebonite after removing.
Compared with the prior art, the utility model has the advantages that: the hard glue and the soft glue are required to be respectively injection molded in the product molding process, wherein the hard glue is required for the installation and application of the product, the hard glue part is easy to generate friction and noise phenomena in the using process and is not beneficial to the use of the product, so that a buffer structure of the soft glue is added in the hard glue installation area to avoid the friction and noise phenomena of the hard glue, firstly, in the first injection molding process, an upper die, a lower die and a movable die form a hard glue injection cavity after die assembly to meet the injection molding requirement of the hard glue area, after the hard glue injection molding, the movable die moves to form a soft glue injection cavity between the movable die and the molded hard glue, at the moment, the injection molding of the soft glue is carried out, the secondary positioning operation is not carried out on the product or the die in the process, the molding accuracy of the soft glue on the molded hard glue product can be ensured, and the injection molding qualification rate of the whole product is ensured to be higher, the molding period is short.
As an improvement of the utility model, the movable die comprises an injection molding part for injecting soft rubber sizing material and a movable part for forming a soft rubber injection molding cavity, the injection molding part is fixedly connected to the lower die, the movable part is movably connected to the injection molding part along the vertical direction, and through the improvement, the formation of the soft rubber injection molding cavity is realized while the structural integrity of the hard rubber injection molding cavity is ensured.
As an improvement of the utility model, the movable dies are provided with a plurality of movable parts which are connected to the same driving block, and the movable parts on the movable dies can simultaneously drive the molding of a plurality of soft rubber injection molding cavities, so that the synchronism is higher, the soft rubber injection molding process of the whole product is faster, and the production cycle of the product is shorter.
As an improvement of the present invention, the driving block is disposed below the lower mold, the driving block is connected to the moving portion through a connecting rod, the connecting rod passes through the lower mold, the driving block moves in the vertical direction to drive the moving portion to move in the vertical direction, and through the improvement, the driving block can have a sufficient space to move up and down, so as to drive the moving portion to move up and down.
As an improvement of the utility model, the side surface of the driving block is provided with a connecting block connected with the driver, the connecting position of the connecting block and the driving block is provided with a guide groove which is arranged in an inclined way, the driving block is provided with a guide block matched with the guide groove, the guide block moves along the guide groove, the connecting block is driven by the driver to move horizontally, and through the improvement, the purpose of moving the driving block up and down can be realized through the horizontal movement of the connecting block, so that the driving direction of the driver can be arranged horizontally, and the structure of the die is more compact.
The utility model also provides an improvement that the two connecting blocks are arranged, the two connecting blocks are respectively arranged at two sides of the driving block, the two connecting blocks are fixedly connected to one driving connecting block, and the driving connecting block is in transmission connection with the driver.
As a further improvement of the present invention, an injection molding channel is arranged on the injection molding part, the injection molding channel comprises a glue inlet and a glue outlet, the glue outlet is connected with the soft glue injection molding cavity, and the glue outlet is arranged below the hard glue injection molding cavity.
As a further improvement of the utility model, one side of the injection molding channel, which is close to the upper mold, is provided with an opening, the injection molding channel is also provided with a demolding opening, and an ejector pin is arranged inside the demolding opening.
As a further improvement of the utility model, when the soft rubber injection molding is carried out, the end part of the thimble is arranged inside the demoulding port, so that the soft rubber is injected into the demoulding port, through the improvement, when the upper mould and the lower mould are separated, the soft rubber connected with the upper mould can be adhered to the upper mould, thereby causing the pulling phenomenon during demoulding, which is not beneficial to the qualified production of products, and part of the soft rubber is shaped in the demoulding port, the adhesion effect of the lower mould and the soft rubber can be increased, so that the soft rubber is not easy to separate along with the upper mould, the product forming quality is ensured, and after the mould separation is finished, the separation work of the soft rubber and the lower mould can be finished only through the thimble.
As a further improvement of the utility model, the injection molding channels on two adjacent injection molding parts are connected, and through the improvement, the injection molding channels of the whole product can be simplified, and the processing cost can be reduced.
Drawings
Fig. 1 is a schematic sectional structure view of the overall structure of the present invention.
FIG. 2 is a schematic diagram of the structure of the product of the utility model
Fig. 3 is a schematic view of the moving die mounting structure of the present invention.
FIG. 4 is an enlarged view of the structure of the portion I in FIG. 3 according to the present invention.
FIG. 5 is a schematic sectional view of the moving mold according to the present invention.
Fig. 6 is a schematic view of the driving block mounting structure of the present invention.
Fig. 7 is a schematic view of the installation structure of the guide block and the guide groove of the present invention.
Shown in the figure: 1. the product, 1.1, the ebonite, 1.2, the flexible glue, 2, go up the mould, 3, the lower mould, 4, the movable mould, 4.1, the portion of moulding plastics, 4.1.1, the passageway of moulding plastics, 4.1.2, advance gluey mouth, 4.1.3, go out gluey mouth, 4.1.4, drawing of patterns mouth, 4.2, the portion of moving, 5, the drive block, 5.1, the guide block, 6, the connecting rod, 7, the connecting block, 7.1, the guide way, 8, the driver, 9, the drive connecting block, 10, the thimble, 11, the thimble board.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
As shown in fig. 1-3, a double-color injection mold comprises a body, the body is used for molding a product 1, the product 1 comprises two parts of hard glue 1.1 and soft glue 1.2, the product 1 is first molded by the hard glue 1.1 and then molded by the soft glue 1.2 in a local area, the body comprises an upper mold 2, a lower mold 3 and a movable mold 4, when the upper mold 2, the lower mold 3 and the movable mold 4 are combined together, a hard glue injection cavity is formed, after the molding of the hard glue 1.1 is completed, the movable mold 4 is moved, a soft glue injection cavity is formed between the movable mold 4 and the hard glue 1.1 after the movement, the movable mold 4 comprises an injection part 4.1 for injecting the soft glue 1.2 and a movable part 4.2 for forming the soft glue injection cavity, the injection part 4.1 is fixedly connected to the lower mold 3, the movable part 4.2 is movably connected to the injection part 4.1 along a vertical direction, the movable mold 4 is provided with a plurality of movable molds, the moving parts 4.2 of the plurality of moving dies 4 are all connected to the same driving block 5, the driving block 5 is arranged below the lower die 3, the driving block 5 and the moving parts 4.2 are connected through a connecting rod 6, the connecting rod 6 penetrates through the lower die 3, and the driving block 5 moves along the vertical direction to drive the moving parts 4.2 to move along the vertical direction.
As shown in fig. 6 and 7, the side of the driving block 5 is provided with a connecting block 7 connected with the driver 8, the joint of the connecting block 7 and the driving block 5 is provided with a guide groove 7.1 which is obliquely arranged, the driving block 5 is provided with a guide block 5.1 matched with the guide groove 7.1, the guide block 5.1 moves along the guide groove 7.1, the connecting block 7 horizontally moves under the driving of the driver 8, the connecting block 7 is provided with two blocks, the connecting blocks 7 are respectively arranged at two sides of the driving block 5, the connecting blocks 7 are fixedly connected to a driving connecting block 9, and the driving connecting block 9 is in transmission connection with the driver 8.
As shown in fig. 3-5, the injection molding portion 4.1 is provided with an injection molding channel 4.1.1, the injection molding channel 4.1.1 is provided with a glue inlet 4.1.2 and a glue outlet 4.1.3, the glue outlet 4.1.3 is connected with the soft glue injection molding cavity, the glue outlet 4.1.3 is provided below the hard glue injection molding cavity, one side of the injection molding channel 4.1.1, which is close to the upper mold 2, is provided with an opening, the injection molding channel 4.1.1 is further provided with a mold release port 4.1.4, the mold release port 4.1.4 is internally provided with a thimble 10, when the soft glue 1.2 is injected, the end of the thimble 10 is provided inside the mold release port 4.1.4, so that the soft glue 1.2 is injected into the mold release port 4.1.4, and the two adjacent injection molding channels 4.1 on the injection molding portion 4.1 are connected with each other.
As shown in fig. 1, an ejector plate 11 is further disposed between the lower die 3 and the driving block 5, the ejectors 10 are connected to the ejector plate 11, two drivers 8 are respectively disposed on two sides of the ejector plate 11, and the ejector plate 11 can move up and down by driving of the drivers 8, so as to drive the ejectors 10 to move up and down, thereby facilitating demolding.
The driver 8 is an oil cylinder.
In the forming process, earlier through last mould 2, when the mould 3 and the 4 three of removal mould compound dies jointly, form the ebonite chamber of moulding plastics, be used for moulding plastics of ebonite 1.1, treat that ebonite 1.1 shaping is accomplished the back, removal portion 4.2 removes under the driving block 5's driving part drives about, form the flexible glue chamber of moulding plastics between removal mould 4 after the removal and the ebonite 1.1, be used for the injection moulding of flexible glue 1.2, composition at flexible glue 1.2 contains with the adhesion agent of ebonite 1.1, can avoid flexible glue 1.2 not strong problem with the adhesion of ebonite 1.1 after the shaping, then go on the drawing of patterns of mould 2, the split die of lower mould 3 and product again.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. All changes which come within the scope of the utility model as defined by the independent claims are intended to be embraced therein.
Claims (10)
1. The utility model provides a double-colored injection mold, includes the body, the body is used for shaping product (1), product (1) includes ebonite (1.1) and flexible glue (1.2) two, product (1) carries out ebonite (1.1) shaping earlier, carries out local area's flexible glue (1.2) shaping, its characterized in that after: the body includes mould (2), lower mould (3) and removal mould (4), when going up mould (2), lower mould (3) and removal mould (4) three compound die jointly, form the ebonite chamber of moulding plastics, treat that ebonite (1.1) shaping is accomplished the back, remove mould (4) and remove, form the flexible glue chamber of moulding plastics between removal mould (4) after the removal and ebonite (1.1).
2. A two-shot injection mold as defined in claim 1, wherein: remove mould (4) including being used for carrying on injection moulding portion (4.1) that flexible glue (1.2) sizing material injected and being used for forming flexible glue and moulding plastics removal portion (4.2) in chamber, injection moulding portion (4.1) fixed connection is on lower mould (3), removal portion (4.2) are along vertical direction movable connection on injection moulding portion (4.1).
3. A two-color injection mold according to claim 2, characterized in that: the moving dies (4) are provided with a plurality of moving parts (4.2) on the moving dies (4) are connected to the same driving block (5).
4. A two-color injection mold according to claim 3, characterized in that: the lower mould (3) below is located in drive block (5), be connected through connecting rod (6) between drive block (5) and removal portion (4.2), lower mould (3) are passed in connecting rod (6), drive block (5) remove along vertical direction with drive removal portion (4.2) along vertical direction removal.
5. The two-shot injection mold of claim 4, wherein: the side of drive block (5) is equipped with connecting block (7) that are connected with driver (8), the junction of connecting block (7) and drive block (5) is equipped with guide way (7.1) that are the slope and set up, be equipped with on drive block (5) with guide way (7.1) matched with guide block (5.1), guide block (5.1) remove along guide way (7.1), horizontal migration is carried out under the drive of driver (8) in connecting block (7).
6. The two-color injection mold according to claim 5, characterized in that: the two connecting blocks (7) are arranged, the two connecting blocks (7) are arranged on two sides of the driving block (5) respectively, the two connecting blocks (7) are fixedly connected to one driving connecting block (9), and the driving connecting block (9) is in transmission connection with the driver (8).
7. A two-color injection mold according to claim 2, characterized in that: be equipped with on the portion of moulding plastics (4.1.1) and mould plastics passageway (4.1.1), it goes up including advancing jiao kou (4.1.2) and one play jiao kou (4.1.3) to mould plastics passageway (4.1.1), it links to each other with the flexible glue injection molding chamber to go out jiao kou (4.1.3), it locates the below in ebonite injection molding chamber to go out jiao kou (4.1.3).
8. The two-color injection mold according to claim 7, characterized in that: the mould plastics passageway (4.1.1) is close to one side of going up mould (2) and is the opening setting, still be equipped with drawing of patterns mouth (4.1.4) on the passageway of moulding plastics (4.1.1), the inside of drawing of patterns mouth (4.1.4) is equipped with thimble (10).
9. A two-shot injection mold as defined in claim 8, wherein: when the injection molding of the soft glue (1.2) is carried out, the end part of the thimble (10) is arranged inside the demoulding port (4.1.4), so that the soft glue (1.2) is injected into the demoulding port (4.1.4).
10. The two-color injection mold according to claim 7, characterized in that: the injection molding channels (4.1.1) on two adjacent injection molding parts (4.1) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121863082.4U CN215619556U (en) | 2021-08-10 | 2021-08-10 | Double-color injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121863082.4U CN215619556U (en) | 2021-08-10 | 2021-08-10 | Double-color injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215619556U true CN215619556U (en) | 2022-01-25 |
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ID=79896505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121863082.4U Active CN215619556U (en) | 2021-08-10 | 2021-08-10 | Double-color injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215619556U (en) |
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2021
- 2021-08-10 CN CN202121863082.4U patent/CN215619556U/en active Active
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