CN113696426A - Internal cutting mechanism on core insert - Google Patents
Internal cutting mechanism on core insert Download PDFInfo
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- CN113696426A CN113696426A CN202010439074.0A CN202010439074A CN113696426A CN 113696426 A CN113696426 A CN 113696426A CN 202010439074 A CN202010439074 A CN 202010439074A CN 113696426 A CN113696426 A CN 113696426A
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- China
- Prior art keywords
- internal cutting
- core
- internally tangent
- core insert
- plate
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- 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
- B29C45/38—Cutting-off equipment for sprues or ingates
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to an inner cutting mechanism on a core insert, which comprises: the male template is arranged on a horizontal plane; the male die core is arranged on the male die plate; the ejection mechanism is arranged on the male template and comprises a power element, a fixing plate, a connecting column and an internal cutting structure, the internal cutting structure is provided with an internal cutting connecting plate and a plurality of internal cutting blocks, and the power element drives the internal cutting structure to perform ejection operation, namely, a material head is cut in the internal cutting block to separate a product from the material head; the rubber inlet structure is arranged on the male die core, and the rubber inlet is arranged on the rubber inlet structure.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to an internal cutting mechanism, in particular to an internal cutting mechanism on a core insert.
[ background of the invention ]
At present, the workshop adopts the glue feeding mode of Shenzu brand type to carry out product molding in the process of producing the traditional computer notebook shaft cover so as to avoid the surface of the product from being flushed with ink, however, in the process of product molding, a stub bar is left at one end of the glue feeding mode, the appearance quality of the product is influenced, and the stub bar operation of removing the product needs to be carried out manually one by one, so that the glue feeding mode easily causes the labor cost for removing the stub bar operation to be increased, and the yield of the product and the production efficiency are reduced.
In view of the above, it is desirable to provide an inner cutting mechanism on a core insert to solve the problems of labor cost increase, product yield and production efficiency decrease caused by the glue feeding manner at the present stage.
[ summary of the invention ]
The invention aims to provide an internal cutting mechanism on a core insert, which aims to solve the problems of labor cost increase, product yield and production efficiency reduction caused by a glue feeding mode at the present stage, and comprises:
the male template is arranged on the horizontal plane;
the male die core is arranged on the male die plate;
the ejection mechanism is arranged on the male template and comprises a power element, a fixed plate, a connecting column and an internally tangent structure, the power element is arranged on the fixed plate, the fixed plate is connected with the connecting column, the connecting column is arranged on the internally tangent structure, the internally tangent structure is arranged on the male template, the internally tangent structure is provided with an internally tangent connecting plate and a plurality of internally tangent blocks, the internally tangent connecting plate is arranged at the bottom end of the connecting column, the internally tangent blocks are arranged on the side edge of the internally tangent connecting plate and are arranged in a certain rule, and the power element drives the internally tangent structure to perform ejection operation, namely, the internally tangent stub bars are arranged in the internally tangent blocks, so that products are separated from the stub bars;
and the glue inlet structure is arranged on the male die core and is provided with a glue inlet.
Optionally, a groove and a plurality of through holes are formed in the male template, and the groove is matched with the ejection mechanism.
Optionally, a plurality of profiling through holes are formed in the periphery of the male template and the periphery of the male mold core, the profiling through holes are matched with the inner cutting blocks in position and size, and the inner cutting blocks move up and down through the profiling through holes and are not interfered with each other.
Optionally, the power element is an oil hydraulic cylinder.
Optionally, a plurality of spring structures are arranged on the internal cutting structure, the spring structures are arranged on the lower surface of the internal cutting connecting plate, the spring structures have elasticity, and the spring structures are matched with the through holes in the male template.
Optionally, the glue inlet is a horn-type glue inlet, that is, the stub bar is a horn-type stub bar after the product is molded.
Optionally, the inner cutting block is a strip-shaped inner cutting block, and the thickness of one end of the inner cutting block close to the glue inlet structure is smaller than that of the other end of the inner cutting block.
Optionally, the arrangement of the internal cutting blocks on the side edge of the internal cutting connecting plate is two rows and three columns or three rows and two columns.
Compared with the prior art, the internal cutting mechanism on the male die core firstly performs product injection molding operation through the glue feeding structure, secondly drives the ejection mechanism to perform outward ejection operation through the oil hydraulic cylinder after the product is subjected to injection molding and before the internal cutting mechanism on the male die core is in a state of not opening the die, namely, the internal cutting block moves upwards for a certain distance in the profiling through hole, then the product is separated from the stub bar through the internal cutting block, and finally the product is taken out.
[ description of the drawings ]
Fig. 1 is a schematic structural view of an internal cutting mechanism on a core insert of the present invention.
Fig. 2 is a schematic view of the internal cutting mechanism of the core insert of the present invention at another angle.
Fig. 3 is an exploded view of the internal cutting mechanism of the core insert of the present invention.
Fig. 4 is a schematic structural view of an ejection mechanism and a glue inlet structure of the internal cutting mechanism on the core insert of the invention.
Fig. 5 is a schematic structural view of the core plate and the core insert of the internal cutting mechanism of the core insert of the present invention.
Fig. 6 is a schematic structural view of an ejection mechanism and a glue inlet structure of an inner cutting mechanism on a core insert according to a preferred embodiment of the present invention.
[ detailed description ] embodiments
To further illustrate the technical means and effects of the present invention, the following detailed description is given with reference to a preferred embodiment of the present invention and the accompanying drawings.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, fig. 1 is a schematic structural diagram of an internal cutting mechanism on a core insert of the present invention, fig. 2 is a schematic structural diagram of an internal cutting mechanism on a core insert of the present invention at another angle, fig. 3 is an exploded view of the internal cutting mechanism on the core insert of the present invention, fig. 4 is a schematic structural diagram of an ejection mechanism and a glue inlet structure of the internal cutting mechanism on the core insert of the present invention, fig. 5 is a schematic structural diagram of a core plate and the core of the internal cutting mechanism on the core insert of the present invention, and the internal cutting mechanism 100 on the core insert includes:
the core plate 110, the core plate 110 being disposed on the horizontal plane, the core plate 110 being configured to fix the core insert 120 and the ejection mechanism 130;
the core insert 120, the core insert 120 is disposed on the core plate 110, and the core insert 120 is used for fixing the glue inlet structure 140;
the ejection mechanism 130 is arranged on the male die plate 120, the ejection mechanism 130 includes a power element 131, a fixing plate 132, a connecting column 133 and an internally-cut structure 134, the power element 131 is arranged on the fixing plate 132, the fixing plate 132 is connected with the connecting column 133, the connecting column 133 is arranged on the internally-cut structure 134, the internally-cut structure 134 is arranged on the male die plate 110, the internally-cut structure 134 is provided with an internally-cut connecting plate 135 and a plurality of internally-cut blocks 136, the internally-cut connecting plate 135 is arranged at the bottom end of the connecting column 133, the plurality of internally-cut blocks 136 are arranged at the side edge of the internally-cut connecting plate 135 and arranged in a certain regular arrangement, the power element 131 drives the internally-cut structure 134 to perform ejection operation, namely the internally-cut blocks 136 internally-cut the stub bars to separate products from the stub bars, and the power element 131 is used for driving the internally-cut blocks 136 to perform ejection operation, thereby separating the product from the stub bar, the fixing plate 132 is used for fixing the power element 131, the connecting column 133 is used for fixing the inner cutting structure 134 and the fixing plate 132, the inner cutting connecting plate 135 is used for fixing the inner cutting block 136, and the inner cutting block 136 is used for removing the stub bar;
the glue inlet structure 140 is disposed on the core insert 120, the glue inlet structure 140 is provided with a glue inlet 141, and the glue inlet structure 140 and the glue inlet 141 are used for glue inlet molding of products and stub bars.
The male mold plate 110 is provided with a groove 111 and a plurality of through holes 112, the groove 111 is matched with the ejection mechanism 130, and the groove 111 is used for fixing the ejection mechanism 130.
A plurality of profiling through holes 113 are formed around the core plate 110 and the core insert 120, the profiling through holes 113 are matched with the inner cutting block 136 in position and size, and the inner cutting block 136 moves up and down through the profiling through holes 113 without interference.
The power element 131 is an oil hydraulic cylinder, and the oil hydraulic cylinder provides power for the internal cutting mechanism 100 on the core insert to perform the ejection operation.
The internal cutting structure 134 is provided with a plurality of spring structures 137, the spring structures 137 are arranged on the lower surface of the internal cutting connecting plate 135, the spring structures 137 have elasticity, the spring structures 137 are matched with the through holes 112 in the male template 110, and the spring structures 137 are used for buffering the ejection force of the ejection mechanism 130, so that damage to the whole mold due to the fact that the ejection force is too large is avoided, and product quality is guaranteed.
The glue inlet 141 is a horn-shaped glue inlet, that is, the molded product is a horn-shaped stub bar.
Wherein, interior cutting block 136 is the cutting block in the bar, interior cutting block 136 is pressed close to the one end thickness of advancing glued structure 140 is less than the thickness of the interior cutting block 136 other end, because interior cutting block 136 is pressed close to the one end thickness of advancing glued structure 140 is less than the thickness of the interior cutting block 136 other end makes the area of contact of interior cutting block 136 reduces, prevents that the mar from appearing on the product surface.
The arrangement of the inner cutting blocks 136 on the side of the inner cutting connecting plate 135 is two rows and three columns or three rows and two columns.
Referring to fig. 6, fig. 6 is a schematic structural diagram of an ejection mechanism and a glue inlet structure of an inner cutting mechanism on a core insert according to a preferred embodiment of the present invention, in this embodiment, firstly, a material liquid enters a glue inlet 141 of a glue inlet structure 140 to form a product 10, wherein a stub bar is located in the glue inlet 141, secondly, after the product 10 and the stub bar are formed and before the whole mold is in a state of not opening the mold, the inner cutting mechanism 100 on the core insert performs an in-mold cutting operation on the product 10 and the stub bar, then, an oil cylinder drives the ejection mechanism 130 to perform an outward ejection operation, that is, an inner cutting block 136 moves upward a certain distance in a profiling through hole 113, the inner cutting block 136 separates the product 10 from the stub bar, and finally, the product 10 is taken out.
Compared with the prior art, the internal cutting mechanism 100 on the male die core firstly performs the injection molding operation of the product 10 through the glue inlet structure 140, secondly, after the injection molding of the product 10, and simultaneously, before the internal cutting mechanism 100 on the male die core is in a state of not opening the die, the oil pressure cylinder drives the ejection mechanism 130 to perform the outward ejection operation, namely, the internal cutting block 136 moves upwards for a certain distance in the profiling through hole 113, then, the product 10 is separated from the stub bar through the internal cutting block 136, and finally, the product 10 is taken out.
It should be noted that the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments by those skilled in the art based on the technical solution of the present invention fall within the protection scope of the present invention.
Claims (8)
1. An undercut mechanism on a core insert, comprising:
the male template is arranged on the horizontal plane;
the male die core is arranged on the male die plate;
the ejection mechanism is arranged on the male template and comprises a power element, a fixed plate, a connecting column and an internally tangent structure, the power element is arranged on the fixed plate, the fixed plate is connected with the connecting column, the connecting column is arranged on the internally tangent structure, the internally tangent structure is arranged on the male template, the internally tangent structure is provided with an internally tangent connecting plate and a plurality of internally tangent blocks, the internally tangent connecting plate is arranged at the bottom end of the connecting column, the internally tangent blocks are arranged on the side edge of the internally tangent connecting plate and are arranged in a certain rule, and the power element drives the internally tangent structure to perform ejection operation, namely, the internally tangent stub bars are arranged in the internally tangent blocks, so that products are separated from the stub bars;
and the glue inlet structure is arranged on the male die core and is provided with a glue inlet.
2. The core insert undercut mechanism of claim 1, wherein the core plate has a recess and a plurality of through holes, and the recess is matched with the ejection mechanism.
3. The internal cutting mechanism of the core insert according to claim 1, wherein a plurality of profiling through holes are formed around the core plate and the core insert, the profiling through holes are matched with the internal cutting blocks in position and size, and the internal cutting blocks move up and down through the profiling through holes without mutual interference.
4. The insert mechanism of claim 1, wherein the power element is an oil hydraulic cylinder.
5. The core insert internal cutting mechanism of claim 1, wherein the internal cutting structure is provided with a plurality of spring structures, the spring structures are arranged on the lower surface of the internal cutting connecting plate, the spring structures have elasticity, and the spring structures are matched with the through holes on the core template.
6. The internal cutting mechanism of the core insert as claimed in claim 1, wherein the glue inlet is a horn-shaped glue inlet, i.e. the material head after the product is formed is a horn-shaped material head.
7. The internal cutting mechanism of the core insert of claim 1, wherein the internal cutting block is a strip-shaped internal cutting block, and the thickness of the internal cutting block close to the glue inlet structure is smaller than that of the other end of the internal cutting block.
8. The insert core of claim 1, wherein the inner cutting blocks are arranged on the side edges of the inner cutting connecting plates in two rows and three columns or three rows and two columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010439074.0A CN113696426A (en) | 2020-05-22 | 2020-05-22 | Internal cutting mechanism on core insert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010439074.0A CN113696426A (en) | 2020-05-22 | 2020-05-22 | Internal cutting mechanism on core insert |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113696426A true CN113696426A (en) | 2021-11-26 |
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ID=78646047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010439074.0A Pending CN113696426A (en) | 2020-05-22 | 2020-05-22 | Internal cutting mechanism on core insert |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113696426A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201169037Y (en) * | 2008-01-17 | 2008-12-24 | 谷崧精密工业股份有限公司 | Soft gum ejaculation forming ox horn type sprue structure |
| CN101973110A (en) * | 2010-11-02 | 2011-02-16 | 昆山乙盛机械工业有限公司 | Male mold centre type internal cutting mold |
| CN101979235A (en) * | 2010-10-18 | 2011-02-23 | 昆山乙盛机械工业有限公司 | Male die oil cylinder thimble die internal cutting |
| CN101979234A (en) * | 2010-10-15 | 2011-02-23 | 昆山乙盛机械工业有限公司 | Oil cylinder type die internal cutting die |
| CN203472059U (en) * | 2013-07-05 | 2014-03-12 | 英济股份有限公司 | In-mold hot cutting mechanism |
| CN205021923U (en) * | 2015-09-17 | 2016-02-10 | 惠州市璇瑰精密技术工业有限公司 | Hot runner injection mold of automatic cutout runner in mould |
| TWM549694U (en) * | 2017-06-14 | 2017-10-01 | Jian-Cheng Lin | In-mold material tip cutting structure featuring driving by guide slanting face |
| CN109501122A (en) * | 2017-09-15 | 2019-03-22 | 汉达精密电子(昆山)有限公司 | The mould undercut construction of double color mould |
| CN209971415U (en) * | 2019-04-30 | 2020-01-21 | 昆山明炜精密模具有限公司 | Plastic rubber mold inner cutting opening mold opening structure |
-
2020
- 2020-05-22 CN CN202010439074.0A patent/CN113696426A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201169037Y (en) * | 2008-01-17 | 2008-12-24 | 谷崧精密工业股份有限公司 | Soft gum ejaculation forming ox horn type sprue structure |
| CN101979234A (en) * | 2010-10-15 | 2011-02-23 | 昆山乙盛机械工业有限公司 | Oil cylinder type die internal cutting die |
| CN101979235A (en) * | 2010-10-18 | 2011-02-23 | 昆山乙盛机械工业有限公司 | Male die oil cylinder thimble die internal cutting |
| CN101973110A (en) * | 2010-11-02 | 2011-02-16 | 昆山乙盛机械工业有限公司 | Male mold centre type internal cutting mold |
| CN203472059U (en) * | 2013-07-05 | 2014-03-12 | 英济股份有限公司 | In-mold hot cutting mechanism |
| CN205021923U (en) * | 2015-09-17 | 2016-02-10 | 惠州市璇瑰精密技术工业有限公司 | Hot runner injection mold of automatic cutout runner in mould |
| TWM549694U (en) * | 2017-06-14 | 2017-10-01 | Jian-Cheng Lin | In-mold material tip cutting structure featuring driving by guide slanting face |
| CN109501122A (en) * | 2017-09-15 | 2019-03-22 | 汉达精密电子(昆山)有限公司 | The mould undercut construction of double color mould |
| CN209971415U (en) * | 2019-04-30 | 2020-01-21 | 昆山明炜精密模具有限公司 | Plastic rubber mold inner cutting opening mold opening structure |
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