CN109382979B - Multi-material integrated plastic mixing mold - Google Patents
Multi-material integrated plastic mixing mold Download PDFInfo
- Publication number
- CN109382979B CN109382979B CN201811455034.4A CN201811455034A CN109382979B CN 109382979 B CN109382979 B CN 109382979B CN 201811455034 A CN201811455034 A CN 201811455034A CN 109382979 B CN109382979 B CN 109382979B
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- Prior art keywords
- injection molding
- sliding block
- core
- mold core
- die
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000463 material Substances 0.000 title claims abstract description 73
- 239000004033 plastic Substances 0.000 title claims abstract description 34
- 229920003023 plastic Polymers 0.000 title claims abstract description 34
- 238000001746 injection moulding Methods 0.000 claims abstract description 75
- 238000007493 shaping process Methods 0.000 claims abstract 3
- 230000010354 integration Effects 0.000 claims 2
- 239000002991 molded plastic Substances 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 10
- 238000002347 injection Methods 0.000 abstract description 9
- 239000007924 injection Substances 0.000 abstract description 9
- 239000000047 product Substances 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000003292 glue Substances 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a multi-material integrated plastic mixing die which comprises a front die set, a rear die set, a front die core, a rear die core, a hot runner plate, a first driving device and a first sliding block. The hot runner plate is installed in the front mould group, the front mould group and the back mould group enclose the mould chamber jointly, the front mould core and the back mould core are all installed in the mould chamber, and the front mould core encloses the die cavity that is used for shaping the product jointly with the back mould core, the die cavity includes first district and the second district of moulding plastics, first district and the second district of moulding plastics are linked together, first slider and first drive arrangement all set up in one of front mould core or back mould core two, first drive arrangement drives first slider and hugs closely or keep away from the other of front mould core or back mould core two in order to cover or expose the second district of moulding plastics selectively. Injection molding of different materials is completed through one mold, so that the injection molding efficiency is effectively improved, and meanwhile, the precision of the injection molded product is ensured.
Description
Technical Field
The invention relates to an injection mold, in particular to a multi-material integrated plastic mixing mold.
Background
Injection molding, also known as injection molding, is a molding method of injection and molding; the method has the advantages of high production speed, high efficiency, automatic operation, multiple patterns and varieties, simplified and numerous shapes, large and small sizes, accurate product size, easy updating of products, complicated shape forming and the like, and is suitable for the forming and processing fields of mass production, complicated shape products and the like.
For products which are injection molded by various materials, the most commonly adopted is rubber-covered production, namely the products are divided into a plurality of component parts according to the different materials adopted by injection molding, and a set of production mould is designed for each component part; in the actual production process, one of the dies is firstly arranged on a frame, then the material matched with the die is injected, and a semi-finished product is taken out after the molding; then another mould is arranged on the frame, the semi-finished product is placed in the replaced mould and the position is adjusted, then the material matched with the replaced mould is injected, and the steps are repeated in sequence until the required product is completed. Thus, the existing production method has the following defects: (1) After injection molding of one material, another set of die is needed to be replaced from the frame, so that the working blank period of the machine is longer, the production efficiency is low, and the labor cost is also needed in the process of replacing the die; (2) Because each set of dies can only be used for injection molding of one material, errors generated among a plurality of sets of dies can affect the precision of a final molded product.
Therefore, a multi-material integrated plastic mixing mold suitable for injection molding of multiple materials is needed to overcome the above-mentioned drawbacks.
Disclosure of Invention
The invention aims to provide a multi-material integrated plastic mixing die suitable for injection molding of various materials.
In order to achieve the above-mentioned objective, the present invention provides a multi-material integrated plastic mixing mold for molding a product formed by injection molding of a first material and a second material respectively, the multi-material integrated plastic mixing mold comprises a front module, a rear module, a front mold core, a rear mold core and a hot runner plate, the hot runner plate is mounted on the front module, the front module and the rear module jointly enclose a mold cavity, the front mold core and the rear mold core are mounted in the mold cavity, the front mold core and the rear mold core jointly enclose a mold cavity for molding the product, the multi-material integrated plastic mixing mold further comprises a first driving device and a first sliding block, the mold cavity comprises a first injection molding area for injection molding of the first material and a second injection molding area for injection molding of the second material, the first injection molding area is communicated with the second injection molding area, the first driving device and the first sliding block are both arranged on one of the front mold core and the rear mold core, the first driving device drives the first sliding block to be selectively clung to or far away from the other one of the front mold core and the other one of the rear mold core and the second mold core is exposed out of the second injection molding area.
Preferably, a first hot runner is arranged at the top of the hot runner plate and is communicated with one of the first injection molding area and the second injection molding area, and a second hot runner is arranged at the bottom of the hot runner plate and is communicated with the other of the first injection molding area and the second injection molding area.
Preferably, the multi-material integrated plastic mixing die further comprises a second sliding block and a guide rail, wherein the second sliding block is arranged on the rear die set in a sliding manner through the guide rail, the second sliding block is arranged at the edge of the rear die core, and the front die core, the rear die core and the second sliding block jointly enclose the die cavity.
Preferably, the guide rail is arranged in a direction perpendicular to the cavity.
Preferably, a guide post which is obliquely arranged is arranged on one surface of the front module, which faces the second sliding block, in a downward protruding mode, and a guide hole which is in sliding fit with the guide post is formed in the second sliding block.
Preferably, the guide rails are respectively located at two sides of the second slider, and the rear module is recessed downwards to form a fixing portion for fixing the guide rails.
Preferably, the first driving device comprises a hydraulic cylinder and a pushing block, the hydraulic cylinder is mounted on the front module, the output end of the hydraulic cylinder is connected with the pushing block, and the first sliding block is connected with the pushing block in a clamping mode.
Preferably, the push block is provided with a boss which is connected with the first slider in a clamping way in an outward protruding way, and the first slider is provided with a groove matched with the boss.
Preferably, the cross section of the boss is T-shaped.
Compared with the prior art, the multi-material integrated plastic mixing mold has the advantages that one of the front mold core and the rear mold core is provided with the first sliding block and the first driving device, and the first driving device drives the first sliding block to be selectively clung to or far away from the other of the front mold core and the rear mold core so as to cover or expose the second injection molding area, so that when the first injection molding area in the cavity is required to be injected, the first driving device drives the first sliding block to be clung to the one of the front mold core or the rear mold core so as to cover the second injection molding area, and then the cavity is injected; when the second injection molding area in the cavity is needed to be molded, the first material in the first injection molding area is molded by injection, so that the first sliding block is directly driven by the first driving device to be far away from one of the front mold core or the rear mold core which are clung to the first sliding block before so as to expose the second injection molding area, and then the cavity is directly molded by injection, and one mold is not needed to be correspondingly replaced for the injection molding of each material.
Drawings
Fig. 1 is a perspective structure diagram of a multi-material integrated plastic mixing mold of the present invention.
FIG. 2 is a cross-sectional view of the multi-material integrated plastic mixing mold of the present invention.
Fig. 3 is a perspective view of the upper module of the multi-material integrated plastic mixing mold of the present invention.
Fig. 4 is a perspective view of a lower module of the multi-material integrated plastic mixing mold of the present invention.
Fig. 5 is a bottom view of the upper module of the multi-material integrated plastic mixing mold of the present invention.
Fig. 6 is a top view of the lower die set of the multi-material integrated plastic mixing die of the invention.
Fig. 7 is a perspective structure diagram of a connection between a first driving device and a first sliding block of the multi-material integrated plastic mixing die.
Fig. 8 is an exploded view of a first driving device and a first slider of the multi-material integrated hybrid mold of the present invention.
Fig. 9 is a perspective view of a hot runner plate of the multi-material integrated hybrid mold of the present invention.
Fig. 10 is another angled perspective view of the hot runner plate shown in fig. 9.
Detailed Description
In order to describe the technical content, the constructional features and the effects achieved by the present invention in detail, the following description is made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 10, a multi-material integrated hybrid mold 100 for molding a product integrally molded from a first material and a second material, respectively, according to the present invention includes a front mold block 10, a rear mold block 20, a front mold core 30, a rear mold core 40, and a hot runner plate 50. The hot runner plate 50 is fixed on the front module 10, the rear module 20 is fixed, the front module 10 is movable relative to the rear module 20, the front module 10 and the rear module 20 jointly enclose a die cavity 10a, the front die core 30 and the rear die core 40 are both installed in the die cavity 10a, the front die core 30 and the rear die core 40 jointly enclose two die cavities 100a and 100b for molding products, the die cavities 100a and 100b respectively comprise a first injection molding area 60 for injection molding of a first material and a second injection molding area 70 for injection molding of a second material, the first injection molding area 60 is communicated with the second injection molding area 70, the front die core 30 is further provided with a first sliding block 80 and a first driving device 90, and the first driving device 90 drives the first sliding block 80 to be selectively clung to or far away from the rear die core 40 so as to cover or expose the second injection molding area 70. It should be noted that, in other embodiments, the first driving device 90 and the first slider 80 may also be disposed in the rear mold core 40, and the first slider 80 is driven by the first driving device 90 to selectively abut against or separate from the front mold core 30 to cover or expose the second injection molding area 70, which is not limited thereto. More specifically, the following is:
with continued reference to fig. 1, 2, 3, 4, 5, 6, 9 and 10, the top of the hot runner plate 50 of the multi-material integrated hybrid mold 100 of the present invention is provided with a first hot runner 51 for injection molding of a first material and communicated with the first injection molding area 60, and the bottom of the hot runner plate 50 is provided with a second hot runner 52 for injection molding of a second material and communicated with the second injection molding area 70, so that channels required for injection molding of two different materials can be provided by one hot runner plate 50, and the multi-material integrated hybrid mold 100 of the present invention is simpler in structure and smaller in volume. Preferably, the upper hot runner adopts an eight-point needle valve type glue feeding mode, the lower hot runner adopts a three-point needle valve type glue feeding mode, and the injection molding precision of the multi-material integrated mixed plastic mold 100 is higher by adopting the needle valve type glue feeding mode for injection molding, but the injection molding method is not limited to the injection molding precision. It should be noted that the top of the hot runner plate 50 of the multi-material integrated hybrid mold 100 of the present invention may be provided with a second hot runner for injection molding of the second material, and correspondingly, the bottom of the hot runner plate 50 is provided with a first hot runner for injection molding of the first material, but is not limited thereto.
Referring to fig. 1 to 6, the multi-material integrated plastic mixing mold 100 of the present invention further includes six second sliders 110 and twelve guide rails 120. The cavity of the multi-material integrated plastic mixing mold 100 is specifically surrounded by a front mold core 30, a rear mold core 40 and a second sliding block 110, and because the front mold core 30 and the rear mold core 40 of the multi-material integrated plastic mixing mold enclose two cavities 100a and 100b together and the two cavities 100a and 100b are adjacent, the two cavities 100a and 100b can share one side, and the other three sides of each cavity are respectively provided with a corresponding second sliding block 110, wherein two sides of each second sliding block 110 are respectively fixed with a guide rail 120; specifically, the guide rail 120 is disposed on the rear mold set 20 and surrounds the rear mold core 40, that is, six second sliders 110 are disposed around the rear mold core 40 at the edge of the rear mold core 40, more specifically, the guide rail 120 is disposed along the direction perpendicular to the cavity, that is, six second sliders 110 approach or separate from the rear mold core 40 from the side of the cavity when sliding along the guide rail 120, that is, the size of the cavity is different. It should be noted that, the rear module 20 of the multi-material integrated plastic mixing mold 100 of the present invention is recessed downward to form the fixing portion 21 for fixing the guide rail 120, so that the guide rail 120 does not protrude out of the rear module 20 completely after being mounted on the rear module 20, and therefore the multi-material integrated plastic mixing mold 100 of the present invention has a simple structure and a smaller volume.
Referring to fig. 1 to 6, a guide post 11 disposed obliquely is disposed on a surface of a front module 10 of the multi-material integrated hybrid mold 100 facing a second slider 110, and a guide hole 110a is disposed on the second slider 110 and slidably engaged with the guide post 11. Therefore, when the front module 10 is pressed against the rear module 20, the guide posts 11 fixed on the front module 10 are inserted into the guide holes 110a of the second slider 110 and press the second slider 110 to slide along the guide rails 120, and when the front module 10 is completely pressed against the rear module 20, the second slider 110 is positioned by the guide posts 11 to reach the predetermined position, and the second slider 110, the front mold core 30 and the rear mold core 40 together enclose the predetermined cavities 100a and 100b for injection molding, but are not limited thereto.
Referring to fig. 1 to 8, the first driving device 90 includes a hydraulic cylinder 91 and a push block 92. The hydraulic cylinder 91 is mounted on the front module 10, and an output end of the hydraulic cylinder 91 is connected with the push block 92, and the first slider 80 is connected with the push block 92 in a clamping manner. Specifically, the pushing block 92 is provided with a boss 921 protruding outwards and connected with the first slider 80 in a clamping manner, and the first slider 80 is provided with a groove 80a matched with the boss 921; more specifically, the cross section of the boss 921 is T-shaped, and the boss 921 is provided obliquely with respect to the direction in which the front module 10 opens and closes.
The working process of the multi-material integrated plastic mixing mold 100 according to the present invention is further described below with reference to the accompanying drawings:
first, when the first injection molding area 60 of the cavity needs to be injection molded, the process is as follows: the front module 10 moves toward the rear module 20, the second slider 110 slides along the guide rail 120 under the extrusion of the guide post 11, and when the front module 10 is completely pressed on the rear module 20, the second slider 110 is fixed by the guide post 11; then, the hydraulic cylinder 91 drives the push block 92 and the first slider 80 clamped on the push block 92 to move toward the rear mold core 40 to be tightly attached to the upper surface of the rear mold core 40, at this time, the second injection molding area 70 is covered, and then the first material flows into the cavity through the first hot runner 51 and completes injection molding of the first injection molding area 60, so as to obtain a semi-finished product. The process of injection molding the second injection molding zone 70 of the mold cavity is as follows: the hydraulic cylinder 91 drives the push block 92 and the first slider 80 clamped on the push block 92 to move away from the upper surface of the rear mold core 40 in the direction of the front mold core 30, so that the second injection molding area 70 is exposed, then the second material flows into the cavity after passing through the second hot runner 52, and at this time, the first material injected into the first injection molding area 60 is already molded, so that the second material flowing into the cavity can only enter the second injection molding area 70 and be molded, and finally the required product is obtained.
Compared with the prior art, the multi-material integrated plastic mixing mold 100 is provided with the first sliding block 80 and the first driving device 90 through one of the front mold core 30 and the rear mold core 40, and the first driving device 90 drives the first sliding block 80 to be selectively clung to or far away from the other of the front mold core 30 and the rear mold core 40 so as to cover or expose the second injection molding area 70, so when the first injection molding area 60 in a cavity is required to be injected, the first sliding block 80 is driven by the first driving device 90 to be clung to one of the front mold core 30 and the rear mold core 40 so as to cover the second injection molding area 70, and then the cavity is injected; when the second injection molding area 70 in the cavity is needed to be injected, the first material in the first injection molding area 60 is already injection molded, so that the first slider 80 is directly driven by the first driving device 90 to be far away from one of the front mold core 30 or the rear mold core 40 which are clung to the first slider before to expose the second injection molding area 70, and then the cavity is directly injection molded, without correspondingly replacing one mold for injection molding of each material.
The foregoing disclosure is illustrative of the present invention and is not to be construed as limiting the scope of the invention, but is for the convenience of those skilled in the art to understand and practice the invention, and therefore, equivalent variations to the appended claims are intended to be encompassed by the present invention.
Claims (4)
1. The utility model provides a many material integration mixes moulds mould for the shaping is moulded plastics and is constituted the product of integration by first material and second material respectively, including preceding module, back module, preceding mold core, back mold core and hot runner board, the hot runner board install in preceding module, preceding module with the back module encloses the mould chamber jointly, preceding mold core with back mold core all install in the die cavity, just preceding mold core with back mold core encloses the die cavity that becomes to be used for shaping product jointly, its characterized in that: the multi-material integrated plastic mixing mold further comprises a first driving device and a first sliding block, the cavity comprises a first injection molding area for injection molding of a first material and a second injection molding area for injection molding of a second material, the first injection molding area is communicated with the second injection molding area, the first driving device and the first sliding block are arranged on one of the front mold core and the rear mold core, and the first driving device drives the first sliding block to be selectively clung to or away from the other of the front mold core and the rear mold core so as to cover or expose the second injection molding area;
the multi-material integrated plastic mixing die further comprises a second sliding block and a guide rail, wherein the second sliding block is arranged on the rear die set in a sliding manner through the guide rail, the second sliding block is arranged at the edge of the rear die core, and the front die core, the rear die core and the second sliding block jointly enclose the die cavity; the guide rail is arranged along the direction perpendicular to the cavity; a guide post which is obliquely arranged is arranged on one surface of the front module, which faces the second sliding block, downwards in a protruding way, and a guide hole which is in sliding fit with the guide post is formed in the second sliding block; the guide rails are respectively positioned at two sides of the second sliding block, and the rear module is recessed downwards to form a fixing part for fixing the guide rails;
the top of the hot runner plate is provided with a first hot runner communicated with one of the first injection molding area and the second injection molding area, and the bottom of the hot runner plate is provided with a second hot runner communicated with the other of the first injection molding area and the second injection molding area.
2. The multi-material integrated plastic mixing mold as claimed in claim 1, wherein: the first driving device comprises a hydraulic cylinder and a pushing block, the hydraulic cylinder is installed on the front module, the output end of the hydraulic cylinder is connected with the pushing block, and the first sliding block is connected with the pushing block in a clamping mode.
3. The multi-material integrated plastic mixing mold as claimed in claim 2, wherein: the push block is outwards provided with a boss in protruding mode, the boss is connected with the first sliding block in a clamping mode, and the first sliding block is provided with a groove matched with the boss.
4. A multi-material integrated plastic mixing mold as defined in claim 3, wherein: the cross section of the boss is T-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811455034.4A CN109382979B (en) | 2018-11-30 | 2018-11-30 | Multi-material integrated plastic mixing mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811455034.4A CN109382979B (en) | 2018-11-30 | 2018-11-30 | Multi-material integrated plastic mixing mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109382979A CN109382979A (en) | 2019-02-26 |
| CN109382979B true CN109382979B (en) | 2023-11-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811455034.4A Active CN109382979B (en) | 2018-11-30 | 2018-11-30 | Multi-material integrated plastic mixing mold |
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| Country | Link |
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| CN (1) | CN109382979B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007001196A (en) * | 2005-06-24 | 2007-01-11 | Gifu Plast Ind Co Ltd | Molding method of synthetic resin injection-molded product and injection mold assembly |
| CN101376266A (en) * | 2008-09-28 | 2009-03-04 | 深圳创维－Rgb电子有限公司 | Multi-colour, multi-material high-light injection mold and injection moulding method |
| CN203580030U (en) * | 2013-09-17 | 2014-05-07 | 深圳市银宝山新科技股份有限公司 | Injection mold for molding dual-material finished product |
| CN205291472U (en) * | 2015-12-15 | 2016-06-08 | 埃驰（上海）汽车零部件技术有限公司 | Whole double -colored injection mold |
| CN207206989U (en) * | 2017-08-29 | 2018-04-10 | 深圳市银宝山新科技股份有限公司 | Parallel-moving type double color injection mould and the injection machine with the mould |
| CN108527773A (en) * | 2018-03-28 | 2018-09-14 | 爱威电子（苏州）有限公司 | A kind of Double-injection mold and its working method |
| CN209304904U (en) * | 2018-11-30 | 2019-08-27 | 广东力人科技有限公司 | More material integrations mix mould |
-
2018
- 2018-11-30 CN CN201811455034.4A patent/CN109382979B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007001196A (en) * | 2005-06-24 | 2007-01-11 | Gifu Plast Ind Co Ltd | Molding method of synthetic resin injection-molded product and injection mold assembly |
| CN101376266A (en) * | 2008-09-28 | 2009-03-04 | 深圳创维－Rgb电子有限公司 | Multi-colour, multi-material high-light injection mold and injection moulding method |
| CN203580030U (en) * | 2013-09-17 | 2014-05-07 | 深圳市银宝山新科技股份有限公司 | Injection mold for molding dual-material finished product |
| CN205291472U (en) * | 2015-12-15 | 2016-06-08 | 埃驰（上海）汽车零部件技术有限公司 | Whole double -colored injection mold |
| CN207206989U (en) * | 2017-08-29 | 2018-04-10 | 深圳市银宝山新科技股份有限公司 | Parallel-moving type double color injection mould and the injection machine with the mould |
| CN108527773A (en) * | 2018-03-28 | 2018-09-14 | 爱威电子（苏州）有限公司 | A kind of Double-injection mold and its working method |
| CN209304904U (en) * | 2018-11-30 | 2019-08-27 | 广东力人科技有限公司 | More material integrations mix mould |
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| Publication number | Publication date |
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| CN109382979A (en) | 2019-02-26 |
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