CN219132996U - Double-colored mould structure of monochromatic board production - Google Patents
Double-colored mould structure of monochromatic board production Download PDFInfo
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- CN219132996U CN219132996U CN202223093562.4U CN202223093562U CN219132996U CN 219132996 U CN219132996 U CN 219132996U CN 202223093562 U CN202223093562 U CN 202223093562U CN 219132996 U CN219132996 U CN 219132996U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model discloses a double-color mold structure for single-color machine production, which comprises a rotating shaft, a first injection molding station and a second injection molding station, wherein the rotating shaft rotates along an axis arranged in the vertical direction, the first injection molding station and the second injection molding station are arranged in a point symmetry mode relative to the axis of the rotating shaft, an injection molding cavity is arranged on each of the first injection molding station and the second injection molding station, the injection molding cavity is used for performing one-color injection molding of a product when the first injection molding station is arranged on the first injection molding station, the injection molding cavity is used for performing two-color injection molding of the product when the second injection molding station is arranged on the second injection molding station, the injection molding cavity on the first injection molding station moves to the second injection molding station when the rotating shaft rotates 180 degrees, and the injection molding cavity on the second injection molding station moves to the first injection molding station. The utility model provides a double-color mold structure for single-color machine production, which can reduce production cost and ensure product quality.
Description
Technical Field
The utility model belongs to the field of injection molding, and particularly relates to a double-color mold structure produced by a single-color machine.
Background
Many injection molding parts are designed in multi-color structure in the production process due to installation requirements or material cost control, wherein the use ratio of the multi-color injection molding part is the greatest. However, compared with the single-color injection molding process, the double-color injection molding process still belongs to the process with low use ratio, and the production process of the double-color injection molding process is more complex, and sometimes the double-color injection molding process is difficult to complete injection molding even in one injection molding machine, and two different injection molding machines are required for production, so that the production cost of the product is greatly increased.
Under the limitation of various factors, the market mainly uses a single-color injection molding process, so that the injection mold for single-color injection molding in the market is low in price, high in quantity and larger than required, and the injection mold for double-color injection molding is high in price, small in quantity and smaller than required, so that some products needing double-color injection molding can be produced by adopting two single-color injection molding injection molds, the injection molding cost is high, and even the injection quality is extremely easy to be reduced due to the fact that the injection mold is replaced.
Disclosure of Invention
Aiming at the defects, the utility model provides a double-color mold structure for producing a single-color machine, which can reduce the production cost and ensure the product quality.
The utility model solves the problems by adopting the following technical scheme: a double-colored mould structure of single-colored board production, its characterized in that: including a axis of rotation, a first station and a second station of moulding plastics, the axis that the axis of rotation set up along vertical direction rotates, the first station of moulding plastics carries out the point symmetry setting about the axis of rotation with the second station of moulding plastics, all be equipped with one on first station of moulding plastics and the second station of moulding plastics and mould plastics the chamber, the chamber of moulding plastics is used for carrying out the one-shot injection moulding who produces the mouth when first station of moulding plastics, the chamber of moulding plastics is used for carrying out the two-shot injection moulding of product when the second station of moulding plastics, and when the axis of rotation rotated 180 degrees, the chamber of moulding plastics on the first station of moulding plastics will be moved to the second station of moulding plastics on the second station of moulding plastics will be moved to first station of moulding plastics.
Compared with the prior art, the utility model has the advantages that: refitting a single-color injection mold produced by multiple stations, and realizing the aim of double-color injection by using an injection molding process of the single-color injection mold; in the conventional double-color injection mold, one-color injection of a product is finished firstly, then a double-color injection space structure in the mold is withdrawn, and then the double-color injection is performed, so that injection quality is ensured.
As improvement, the connecting block is fixedly connected to the rotating shaft, the injection cavity is formed by clamping a front mold core and a rear mold core, the two rear mold cores are respectively fixed at two ends of the connecting block, and the conversion of the two injection cavities between the first injection molding station and the second injection molding station is realized by the improvement; in the injection molding process, because the structures of one-shot injection molding and two-shot injection molding are different, the same injection molding structure in the one-shot injection molding cavity and the two-shot injection molding cavity is needed to be utilized to carry out the design of the rear mold core in the design, the structures of the two rear mold cores are needed to be identical, and two-shot injection molding is realized by changing the front mold core structure on the second injection molding station and positioning the one-shot injection molding product structure so as to ensure the matching connection of the structures in the moving process of the two injection molding cavities.
The improvement is that the rear mould is provided with an embedding groove for embedding the connecting block, the bottom end of the rotating shaft is provided with a first driver for driving the rotating shaft to move along the axial direction, through the improvement, because the rear mould core needs to rotate relative to the rear mould and is different from a traditional injection mould, the rear mould core cannot be fixedly connected behind the rear mould, but in the injection moulding process, the rear mould core needs to be ensured to be kept stable, so that the rotation of the connecting block is limited through the design of the embedding groove, the rotation of the rear mould core is further limited, the fixing effect of the rear mould core is ensured during injection moulding, finally, when the rear mould core needs to rotate, the connecting block is jacked up, the connecting block and the rear mould core are separated from the embedding groove, the rotation of the rear mould core can be realized, after the rear mould core rotates in place, the movable shaft is moved down through the first driver, and the embedding limitation of the connecting block and the embedding groove is completed again.
As an improvement, the lower end of the rotating shaft is provided with a gear assembly for driving the rotating shaft to rotate, and the gear assembly comprises a driving gear fixed on the rotating shaft and a driving rack in transmission connection with the driving gear, and through the improvement, the rotation of the rotating shaft is realized.
As an improvement, the one end of drive rack is connected with the second driver, the other end of drive rack is equipped with the gag lever post, one side that the drive rack kept away from the second driver is equipped with and is used for the piece that supports that offsets with the gag lever post is spacing, be equipped with the alarm that targets in place on supporting the piece, through the improvement, through the accuracy of the rotation axis 180 degrees of accuracy of assurance rotation of accurate control drive rack's travel distance to guarantee the quality of two-shot moulding.
As an improvement, the driving racks are provided with two driving racks, which are respectively arranged on two sides of the driving gear, and through the improvement, the driving accuracy and the stability of driving force are ensured, and when tooth damage occurs, the rotation accuracy is not high, so that the rear die and the front die are damaged directly by the rear die core and the connecting block in the die assembly process.
As an improvement, the drive rack is arranged in a limit groove, the limit groove is used for limiting the drive rack to move along the axis direction of the rotating shaft, and by the improvement, the drive rack can also follow the movement easily when the drive gear moves upwards away from the rotating shaft because of the transmission compactness of the drive rack and the drive gear, so that the stability of the drive is unfavorable, and the drive rack can be prevented from moving in the vertical direction through the design of the limit groove, so that the stability of the drive is ensured.
As an improvement, the ejector pin assembly used for separating the product from the injection molding cavity is arranged below the second injection molding station, the ejector pin assembly comprises ejector pins and ejector pin plates used for driving the ejector pins to eject out, through the improvement, when the product completes one-shot injection molding, the product does not need to be separated from the rear mold core, and when the product completes two-shot injection molding, the product only needs to be separated from the rear mold core, so as long as the ejector pin assembly used for separating the product from the rear mold core is arranged below the second injection molding station.
As an improvement, the thimble assembly further comprises a guide rod, a guide hole matched with the guide rod is formed in the rear die core, a chamfer is formed in one end, close to the guide rod, of the guide hole, and through the improvement, the rear die core and the rear die are accurately positioned and mounted.
As an improvement, the guide rod is sleeved with a spring, one end of the spring is opposite to the ejector plate, and the other end of the spring is propped against the rear die, so that the ejector plate can be reset rapidly through the improvement.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic cross-sectional view of a rotating shaft according to the present utility model.
FIG. 3 is a schematic diagram of the first and second injection molding stations of the present utility model.
Fig. 4 is a schematic view of the structure of the connecting block of the present utility model.
Fig. 5 is a schematic view of the gear assembly of the present utility model.
Fig. 6 is a schematic view of a partial structure of a section of a guide bar according to the present utility model.
Fig. 7 is an enlarged view of the guide hole of fig. 6 according to the present utility model.
The figure shows: 1. the device comprises a rotating shaft, 1.1, a connecting block, 2, a first injection molding station, 3, a second injection molding station, 4, an injection molding cavity, 5, a front mold core, 6, a rear mold core, 6.1, a guide hole, 6.1.1, a chamfer, 7, a rear mold, 7.1, an embedded groove, 8, a first driver, 9, a gear component, 9.1, a driving gear, 9.2, a driving rack, 9.3, a limiting rod, 9.4, a supporting block, 10, a second driver, 11, a limiting groove, 12, an ejector pin component, 12.1, an ejector pin, 12.2, an ejector pin plate, 12.3, a guide rod, 12.4 and a spring.
Detailed Description
Embodiments of the present utility model are further described below with reference to the accompanying drawings.
As shown in fig. 1-3, a dual-color mold structure produced by a single-color machine is characterized in that: including a axis of rotation 1, a first station 2 and a second station 3 of moulding plastics, axis rotation 1 rotates along the axis that vertical direction set up, the first station 2 of moulding plastics carries out the point symmetry setting with the axis of second station 3 of moulding plastics about axis of rotation 1, all be equipped with one on the first station 2 of moulding plastics and the second station 3 of moulding plastics and mould plastics chamber 4, mould plastics chamber 4 and be used for carrying out the one-shot injection moulding who produces the mouth when moulding plastics station 2 in first, mould plastics chamber 4 and be used for carrying out the two-shot injection moulding of product when moulding plastics station 3 in the second, when axis of rotation 1 rotates 180 degrees, the chamber 4 of moulding plastics on the first station 2 of moulding plastics will remove to second station 3 in the second station of moulding plastics, and the chamber 4 of moulding plastics on the second station 3 will remove to first station 2 of moulding plastics.
As shown in fig. 2, 4 and 6, a connecting block 1.1 is fixedly connected to the rotating shaft 1, the injection cavity 4 is formed by clamping a front mold core 5 and a rear mold core 6, the two rear mold cores 6 are respectively fixed at two ends of the connecting block 1.1, an embedded groove 7.1 for embedding the connecting block 1.1 is formed in the rear mold 7, and a first driver 8 for driving the rotating shaft 1 to move along the axial direction is arranged at the bottom end of the rotating shaft 1.
As shown in fig. 2 and 5, the lower end of the rotating shaft 1 is provided with a gear assembly 9 for driving the rotating shaft 1 to rotate, the gear assembly 9 comprises a driving gear 9.1 fixed on the rotating shaft 1 and a driving rack 9.2 in transmission connection with the driving gear 9.1, one end of the driving rack 9.2 is connected with a second driver 10, the other end of the driving rack 9.2 is provided with a limiting rod 9.3, one side, far away from the second driver 10, of the driving rack 9.2 is provided with a supporting block 9.4 for supporting the limiting rod 9.3 in a limiting manner, the supporting block 9.4 is provided with an in-place alarm, the driving rack 9.2 is provided with two supporting blocks, the two supporting blocks are respectively arranged on two sides of the driving gear 9.1, the driving rack 9.2 is arranged in a limiting groove 11, the limiting groove 11 is used for limiting the movement of the driving rack 9.2 along the axis direction of the rotating shaft 1, the limiting groove 11 is formed by a bottom surface and two limiting blocks, the driving rack 9.2 moves along the bottom surface, the upper end surface of the driving rack 9.2 is provided with a limiting block matched with the limiting block 9.2 along the axial direction of the limiting groove of the driving rack 1.
As shown in fig. 6 and 7, the ejector pin assembly 12 for separating the product from the injection cavity 4 is arranged below the second injection molding station 3, the ejector pin assembly 12 comprises an ejector pin 12.1 and an ejector pin plate 12.2 for driving the ejector pin 12.1 to eject, the ejector pin assembly 12 further comprises a guide rod 12.3, a guide hole 6.1 matched with the guide rod 12.3 is arranged on the rear mold core 6, a chamfer 6.1.1 is arranged at one end, close to the guide rod 12.3, of the guide hole 6.1, a spring 12.4 is sleeved on the guide rod 12.3, one end of the spring 12.4 is in contact with the ejector pin plate 12.2, the other end of the spring 12.4 abuts against the rear mold 7, and a spring 12.4 groove for placing the spring 12.4 is arranged on the rear mold 7, so that the spring 12.4 is prevented from being elastically twisted, and the stability of the elastic force of the spring 12.4 is ensured.
As shown in fig. 3, the injection cavity 4 is formed by a front mold core 5, a rear mold core 6 and a lateral shaping structure, wherein the front mold core 5 is fixedly connected behind the front mold, when the front mold and the rear mold 7 are demolded, the front mold core 5 is directly separated from the rear mold core 6, the lateral shaping structure is driven by the front mold to realize lateral separation of the lateral shaping structure and the rear mold core 6 firstly, and then the front mold is moved upwards until the lateral shaping structure does not interfere with rotation of the connecting block 1.1, and then the rear mold core 6 is converted between the first injection molding station 2 and the second injection molding station 3.
The first driver 8 and the second driver 10 are hydraulic cylinders.
The operation steps are as follows:
s1: in the first injection molding station 2, one-shot injection molding of the product is completed;
s2: the front mould is separated, and the front mould core 5, the lateral shaping structure and the rear mould core 6 are separated;
s3: the first driver 8 is driven to enable the connecting block 1.1 to be ejected upwards and drive the rear die core 6 to be ejected;
s4: the two second drivers 10 are driven to drive the connecting block 1.1 to rotate and drive the rear mold core 6 to move to the second injection molding station 3, and the rear mold core 6 originally positioned in the second injection molding station 3 moves to the first injection molding station 2;
s5: the first driver 8 is driven to drive the connecting block 1.1 and the rear die core 6 to be embedded into the embedded groove 7.1;
s6: and the front mould is matched with the mould to finish the matching of the lateral shaping structure and the front mould core 5.
S7: performing two-color injection molding on the product;
s8: the front mould is separated, and the front mould core 5, the lateral shaping structure and the rear mould core 6 are separated;
s9: the ejector pin assembly 12 is ejected out to separate the product from the rear mold core 6;
s10: taking out the product, and resetting the thimble assembly 12;
s11: the first driver 8 is driven to enable the connecting block 1.1 to be ejected upwards and drive the rear die core 6 to be ejected;
s12: the two second drivers 10 are driven to drive the connecting block 1.1 to rotate and drive the rear mold core 6 to move to the first injection molding station 2;
s13: and (5) clamping the front mould, and repeating the operation steps of S1-S12.
The foregoing is illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the claims. The present utility model is not limited to the above embodiments, and the specific structure thereof is allowed to vary. All changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (10)
1. A double-colored mould structure of single-colored board production, its characterized in that: including axis of rotation (1), a first station (2) and a second station (3) of moulding plastics, axis rotation (1) rotates along the axis that vertical direction set up, first station (2) of moulding plastics and second station (3) of moulding plastics carry out the point symmetry setting about the axis of rotation (1), all be equipped with one on first station (2) of moulding plastics and the second station (3) of moulding plastics and mould plastics chamber (4), mould plastics chamber (4) and be used for carrying out the one-shot injection moulding of product when first station (2) of moulding plastics, mould plastics chamber (4) and be used for carrying out the two-shot injection moulding of product when second station (3) of moulding plastics, when axis of rotation (1) rotate 180 degrees, first station (2) of moulding plastics chamber (4) of moulding plastics will move to second station (3) of moulding plastics, and mould plastics chamber (4) on second station (3) will move to first station (2) of moulding plastics.
2. The dual-color mold structure produced by a single-color machine according to claim 1, wherein: therefore, the connecting block (1.1) is fixedly connected to the rotating shaft (1), the injection cavity (4) is formed by clamping the front mold core (5) and the rear mold core (6), and the two rear mold cores (6) are respectively fixed at the two ends of the connecting block (1.1).
3. The dual-color mold structure produced by a single-color machine as claimed in claim 2, wherein: the rear die (7) is provided with an embedding groove (7.1) for embedding the connecting block (1.1), and the bottom end of the rotating shaft (1) is provided with a first driver (8) for driving the rotating shaft (1) to move along the axial direction.
4. A bicolor mold structure produced by a monochromic machine as claimed in claim 3, characterized in that: the low end of the rotating shaft (1) is provided with a gear assembly (9) for driving the rotating shaft (1) to rotate, and the gear assembly (9) comprises a driving gear (9.1) fixed on the rotating shaft (1) and a driving rack (9.2) in transmission connection with the driving gear (9.1).
5. The dual-color mold structure produced by a single-color machine as claimed in claim 4, wherein: one end of the driving rack (9.2) is connected with a second driver (10), a limiting rod (9.3) is arranged at the other end of the driving rack (9.2), a supporting block (9.4) used for supporting the limiting rod (9.3) in a limiting mode is arranged on one side, away from the second driver (10), of the driving rack (9.2), and an in-place alarm is arranged on the supporting block (9.4).
6. The dual-color mold structure produced by a single-color machine according to claim 5, wherein: the driving racks (9.2) are provided with two driving racks, and the driving racks are respectively arranged on two sides of the driving gear (9.1).
7. The dual-color mold structure produced by a single-color machine as claimed in claim 4, wherein: the driving rack (9.2) is arranged in a limiting groove (11), and the limiting groove (11) is used for limiting the driving rack (9.2) to move along the axial direction of the rotating shaft (1).
8. The dual-color mold structure produced by a single-color machine as claimed in claim 2, wherein: the ejector pin assembly (12) used for separating products from the injection molding cavity (4) is arranged below the second injection molding station (3), and the ejector pin assembly (12) comprises ejector pins (12.1) and ejector pin plates (12.2) used for driving the ejector pins (12.1) to eject out.
9. The dual-color mold structure produced by a single-color machine as claimed in claim 8, wherein: the thimble assembly (12) further comprises a guide rod (12.3), a guide hole (6.1) matched with the guide rod (12.3) is formed in the rear die core (6), and a chamfer (6.1.1) is formed in one end, close to the guide rod (12.3), of the guide hole (6.1).
10. The dual-color mold structure produced by a single-color machine as claimed in claim 9, wherein: the guide rod (12.3) is sleeved with a spring (12.4), one end of the spring (12.4) is opposite to the thimble plate (12.2), and the other end of the spring (12.4) is propped against the rear die (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223093562.4U CN219132996U (en) | 2022-11-18 | 2022-11-18 | Double-colored mould structure of monochromatic board production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223093562.4U CN219132996U (en) | 2022-11-18 | 2022-11-18 | Double-colored mould structure of monochromatic board production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219132996U true CN219132996U (en) | 2023-06-06 |
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ID=86567409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223093562.4U Active CN219132996U (en) | 2022-11-18 | 2022-11-18 | Double-colored mould structure of monochromatic board production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219132996U (en) |
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2022
- 2022-11-18 CN CN202223093562.4U patent/CN219132996U/en active Active
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