CN103660187B - The mold ejection mechanism that product is separated with runner - Google Patents
The mold ejection mechanism that product is separated with runner Download PDFInfo
- Publication number
- CN103660187B CN103660187B CN201310602991.6A CN201310602991A CN103660187B CN 103660187 B CN103660187 B CN 103660187B CN 201310602991 A CN201310602991 A CN 201310602991A CN 103660187 B CN103660187 B CN 103660187B
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- China
- Prior art keywords
- runner
- thimble
- fixed head
- product
- slide block
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Classifications
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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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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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
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The mold ejection mechanism that product is separated with runner, comprise cover half fixed head, dynamic mould fixing plate, cover half die, dynamic model die, described dynamic mould fixing plate longitudinally moves back and forth, complete die sinking or matched moulds, the Angle Pin described cover half fixed head is provided with the feed liquid port coordinated with the spout of injection machine and material liquid flowing channel, coordinating with slide block; Support on described dynamic mould fixing plate is provided with slide block, and described dynamic mould fixing plate is provided with thimble backing plate and the thimble fixed head of lengthwise movement, and thimble backing plate is connected on thimble fixed head; Described thimble is by product ejection slider; Thimble fixed head is also fixed with runner locating dowel and runner ejector pin, runner locating dowel and runner ejector pin all through described dynamic model die, the runner described in runner ejector pin pushing tow; Runner circumferentially shape is enclosed in around described runner locating dowel, and runner connects the die cavity of product by tunnel gate.
Description
Technical field
The present invention relates to the production mould of plastic product.
Background technology
Existing mold runner 12 ' is all shaping at slide block 5 ' with product 7 ', and as shown in Fig. 1 a, Fig. 1 b, Fig. 2 a, Fig. 2 b, Fig. 3 a, Fig. 3 b, the implication of number in the figure is as follows: thimble backing plate 1 ', thimble fixed head 2 ', dynamic model die 3 ', thimble 4 ', slide block 5 ', Angle Pin 6 ', product 7 ', cover half die 8 ', slider locking block 9 ', slide block pressing plate 10 ', runner ejector pin 11 ', runner 12 ', sprue bush 13 '
Owing to being side gate, when ejecting, runner 12 ' and product 7 ' link together, and automatically can not be separated, need secondary operations.
Fig. 2 a, Fig. 2 b show state during existing mold matched moulds, state when Fig. 3 a, Fig. 3 b show existing mold die sinking.
Die sinking process is as follows: during mould die sinking, dynamic model die 3 ' separates with cover half die 8 ', slide block 5 ' is under the driving of Angle Pin 6 ' simultaneously, slide block 5 ' in the horizontal direction, move in the groove that slide block pressing plate 10 ' limits, when Angle Pin 6 ' departs from slide block 5 ', slide block 5 ' is also separated with product 7 ', after mould die sinking action completes, under the effect of injection machine push rod, thimble backing plate 1 ' and thimble fixed head 2 ', start up to move, drive the thimble 4 ' being fixed on thimble backing plate 1 ' and thimble fixed head 2 ' up to move simultaneously, product 7 ' is ejected in mould, after product 7 ' ejects, fall with deadweight, at this moment matched moulds again, complete an injection moulding process.
Current this structure, product 7 ' and runner 12 ' link together.Need follow-up operation just can separate product and runner.
Summary of the invention
The present invention will overcome the above-mentioned shortcoming of prior art, provide a kind of be applicable in slide block molding runners, the mold ejection mechanism that product is separated with runner can be realized in product ejection process.
The mold ejection mechanism that product of the present invention is separated with runner, comprise cover half fixed head, dynamic mould fixing plate, cover half die 8, dynamic model die 3, described dynamic mould fixing plate longitudinally moves back and forth, complete die sinking or matched moulds, the Angle Pin 6 described cover half fixed head is provided with the feed liquid port coordinated with the spout of injection machine and material liquid flowing channel, coordinating with slide block; Support on described dynamic mould fixing plate is provided with slide block 5, described slide block 5 comprises two slip slit bamboo or chopped woods that can be involutory, the involutory surface of described slip slit bamboo or chopped wood has the die cavity of product and runner, described slip slit bamboo or chopped wood is provided with the guide groove coordinated with described Angle Pin 6, and described slip slit bamboo or chopped wood moves in the horizontal direction in the groove that slide block pressing plate 10 limits; Described dynamic mould fixing plate is provided with thimble backing plate 1 and the thimble fixed head 2 of lengthwise movement, and thimble backing plate 1 is connected on thimble fixed head 2; Described thimble 4 is by product ejection slider 5, and ejecting direction is that longitudinally automatic mold fixed head points to cover half fixed head;
It is characterized in that: described thimble fixed head 2 is also fixed with runner locating dowel 11 and runner ejector pin 14, described runner locating dowel 11 and runner ejector pin 14 all through described dynamic model die 8, the described runner 12 described in runner ejector pin 14 pushing tow; Runner 12 circumferentially shape is enclosed in described runner locating dowel 11 around, and runner 12 connects the die cavity of product 7 by tunnel gate.
Further, described runner ejector pin 14 is arranged on runner locating dowel 11 side.
Die sinking process is as follows: during mould die sinking, and dynamic model die 3 separates with cover half die 8, and slide block 5 is under the driving of Angle Pin 6 simultaneously, and slide block 5 in the horizontal direction, moves in the groove that slide block pressing plate 10 limits.
Runner 12 is at E place, runner due to this place is that garden week shape is enclosed in runner locating dowel 11 around, when slide block 5 moves along die sinking direction C, runner 12 can not move along with the motion of slide block 5, runner 12 can only be fixed in runner locating dowel 11, but the tunnel gate at D place, along with slide block 5 moves along die sinking direction C, realizes automatic shearing with product 7 and is separated.As shown in following Fig. 7.Along with the continuation of mould die sinking action, slide block 5 continues to move along die sinking direction C, until Angle Pin 6 is separated from slide block 5.
After die sinking action completes.Under the effect of injection machine push rod, thimble backing plate 1 and thimble fixed head 2, start up to move, drive the thimble 4 being fixed on thimble backing plate 1 and thimble fixed head 2 up to move simultaneously, product 7 is ejected in mould, after product 7 ejects, fall with deadweight, meanwhile, be fixed on thimble backing plate 1 and thimble fixed head 2 runner ejector pin 14 also along with up moving, the runner 12 be fixed on runner fixed leg 11 is ejected.Product now 7 and runner 12 are separated, and after runner 12 ejects, also fall with deadweight, so just achieve automatically being separated and full-automatic ejection process of product and runner.Then mould matched moulds.Carry out injection moulding process next time.
After mould die sinking, slide block 5 slides into state during die sinking distance, now, runner 12 is fixed in runner locating dowel 11, meanwhile, due to the location fixation of runner locating dowel 11 pairs of runners 12, when tunnel gate is separated with product 7, runner 12 can not move with the motion of slide block 5.The effect place of runner locating dowel 11 that Here it is.
By this novel runner locating dowel fixed structure, well solve the runner orientation problem of slide block tunnel gate, avoid the problem that runner moves with slide block movement, achieve automatically being separated of product and runner simultaneously.Achieving the pattern that full-automatic injection moulding is produced, is a kind of mould structure be worthy to be popularized.
Advantage of the present invention is: in product ejection process, automatically realize being separated of product and runner, without the need to artificial secondary operations, directly reduce production cost, improve efficiency.
Accompanying drawing explanation
Fig. 1 a is the structural representation of existing mold, and in figure, A is slide block parting line, and B is slide block die sinking direction
Fig. 1 b is that the A-A of Fig. 1 a is to sectional view
Fig. 2 a is the structural representation of the matched moulds state of existing mold
Fig. 2 b is that the A-A of Fig. 2 a is to sectional view
Fig. 3 a is the structural representation of the die opening state of existing mold
Fig. 3 b is that the A-A of Fig. 3 a is to sectional view
Fig. 4 a is the structural representation of matched moulds state of the present invention
Fig. 4 b is that the A-A of Fig. 4 a is to sectional view
Fig. 5 is the partial view of the section B-B in Fig. 4 b, and wherein B is slide block die joint position, and C is slide block die sinking direction, D is the runner at the position of runner tunnel gate, E place, and in garden, all shapes are enclosed in runner locating dowel 11 around, 7 is product, and 12 is runners, and 5 is slide block.
Fig. 6 a is the structural representation of die opening state of the present invention
Fig. 6 b is that the A-A of Fig. 6 a is to sectional view
Fig. 7 is the state of runner of the present invention 12 when automatically separating with product 7.
Fig. 8 be the present invention in runner ejector pin 14 in ejection process, runner ejector pin 14 has just started schematic diagram when ejecting runner 12 from runner fixed leg 11
Fig. 9 is the runner locating dowel 11 of dynamic model side of the present invention and the structural representation of the 3D of runner ejector pin 14, and 3 is dynamic model die
Figure 10 is after mould die sinking, and slide block 5 slides into structural representation during die sinking distance
Detailed description of the invention
With reference to accompanying drawing 4a-Figure 10: the implication of number in the figure is as follows: thimble backing plate 1, thimble fixed head 2, dynamic model die 3, thimble 4, slide block 5, Angle Pin 6, product 7, cover half die 8, slider locking block 9, slide block pressing plate 10, runner fixed leg 11, runner 12, sprue bush 13, runner ejector pin 14
The mold ejection mechanism that product of the present invention is separated with runner, comprise cover half fixed head, dynamic mould fixing plate, cover half die 8, dynamic model die 3, described dynamic mould fixing plate longitudinally moves back and forth, complete die sinking or matched moulds, the Angle Pin 6 described cover half fixed head is provided with the feed liquid port coordinated with the spout of injection machine and material liquid flowing channel, coordinating with slide block; Support on described dynamic mould fixing plate is provided with slide block 5, described slide block 5 comprises two slip slit bamboo or chopped woods that can be involutory, the involutory surface of described slip slit bamboo or chopped wood has the die cavity of product and runner, described slip slit bamboo or chopped wood is provided with the guide groove coordinated with described Angle Pin 6, and described slip slit bamboo or chopped wood moves in the horizontal direction in the groove that slide block pressing plate 10 limits; Described dynamic mould fixing plate is provided with thimble backing plate 1 and the thimble fixed head 2 of lengthwise movement, and thimble backing plate 1 is connected on thimble fixed head 2; Described thimble 4 is by product ejection slider 5, and ejecting direction is that longitudinally automatic mold fixed head points to cover half fixed head;
Described thimble fixed head 2 is also fixed with runner locating dowel 11 and runner ejector pin 14, described runner locating dowel 11 and runner ejector pin 14 all through described dynamic model die 8, the described runner 12 described in runner ejector pin 14 pushing tow; Runner 12 circumferentially shape is enclosed in described runner locating dowel 11 around, and runner 12 connects the die cavity of product 7 by tunnel gate.
Described runner ejector pin 14 is arranged on runner locating dowel 11 side.
As shown in Figure 6, die sinking process is as follows: during mould die sinking, dynamic model die 3 separates with cover half die 8, slide block 5 is under the driving of Angle Pin 6 simultaneously, slide block 5 in the horizontal direction, move in the groove that slide block pressing plate 10 limits, as shown in Figure 5, runner 12 is at E place, runner due to this place is that garden week shape is enclosed in runner locating dowel 11 around, when slide block 5 moves along die sinking direction C, runner 12 can not move along with the motion of slide block 5, runner 12 can only be fixed in runner locating dowel 11, but the tunnel gate at D place, along with slide block 5 moves along die sinking direction C, realize automatic shearing with product 7 to be separated.As shown in following Fig. 7.Along with the continuation of mould die sinking action, slide block 5 continues to move along die sinking direction C, until Angle Pin 6 is separated from slide block 5.
After die sinking action completes.Under the effect of injection machine push rod, thimble backing plate 1 and thimble fixed head 2, start up to move, drive the thimble 4 being fixed on thimble backing plate 1 and thimble fixed head 2 up to move simultaneously, product 7 is ejected in mould, after product 7 ejects, fall with deadweight, meanwhile, be fixed on thimble backing plate 1 and thimble fixed head 2 runner ejector pin 14 also along with up moving, the runner 12 be fixed on runner fixed leg 11 is ejected.Product now 7 and runner 12 are separated, and after runner 12 ejects, also fall with deadweight, so just achieve automatically being separated and full-automatic ejection process of product and runner.Then mould matched moulds.Carry out injection moulding process next time.
Figure 10 is after mould die sinking, slide block 5 slides into state during die sinking distance, now, runner 12 is fixed in runner locating dowel 11, simultaneously, due to the location fixation of runner locating dowel 11 pairs of runners 12, when tunnel gate is separated with product 7, runner 12 can not move with the motion of slide block 5.The effect place of runner locating dowel 11 that Here it is.
By this novel runner locating dowel fixed structure, well solve the runner orientation problem of slide block tunnel gate, avoid the problem that runner moves with slide block movement, achieve automatically being separated of product and runner simultaneously.Achieving the pattern that full-automatic injection moulding is produced, is a kind of mould structure be worthy to be popularized.
Content described in this description embodiment is only enumerating the way of realization of inventive concept; protection scope of the present invention should not be regarded as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention also and conceive the equivalent technologies means that can expect according to the present invention in those skilled in the art.
Claims (2)
1. the mold ejection mechanism that is separated with runner of product, comprise cover half fixed head, dynamic mould fixing plate, cover half die (8), dynamic model die (3), described dynamic mould fixing plate longitudinally moves back and forth, complete die sinking or matched moulds, the Angle Pin (6) described cover half fixed head is provided with the feed liquid port coordinated with the spout of injection machine and material liquid flowing channel, coordinating with slide block; Support on described dynamic mould fixing plate is provided with slide block (5), described slide block (5) comprises two slip slit bamboo or chopped woods that can be involutory, the involutory surface of described slip slit bamboo or chopped wood has the die cavity of product and runner, described slip slit bamboo or chopped wood is provided with the guide groove coordinated with described Angle Pin (6), and described slip slit bamboo or chopped wood moves in the horizontal direction in the groove that slide block pressing plate (10) limits; Described dynamic mould fixing plate is provided with thimble backing plate (1) and the thimble fixed head (2) of lengthwise movement, and thimble backing plate (1) is connected on thimble fixed head (2); Described thimble (4) is by product ejection slider (5), and ejecting direction is that longitudinally automatic mold fixed head points to cover half fixed head;
It is characterized in that: described thimble fixed head (2) is also fixed with runner locating dowel (11) and runner ejector pin (14), described runner locating dowel (11) and runner ejector pin (14) all through described dynamic model die (8), the described runner (12) described in runner ejector pin (14) pushing tow; Runner (12) circumferentially shape is enclosed in described runner locating dowel (11) around, and runner (12) connects the die cavity of product (7) by tunnel gate.
2. mold ejection mechanism as claimed in claim 1, is characterized in that: described runner ejector pin (14) is arranged on runner locating dowel (11) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310602991.6A CN103660187B (en) | 2013-11-22 | 2013-11-22 | The mold ejection mechanism that product is separated with runner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310602991.6A CN103660187B (en) | 2013-11-22 | 2013-11-22 | The mold ejection mechanism that product is separated with runner |
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| Publication Number | Publication Date |
|---|---|
| CN103660187A CN103660187A (en) | 2014-03-26 |
| CN103660187B true CN103660187B (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310602991.6A Active CN103660187B (en) | 2013-11-22 | 2013-11-22 | The mold ejection mechanism that product is separated with runner |
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| CN (1) | CN103660187B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366882B (en) * | 2018-11-19 | 2024-04-02 | 宁波帅特龙集团有限公司 | A mould for making cup holder flip |
| CN111673991A (en) * | 2020-06-06 | 2020-09-18 | 浙江泰欣塑料模具有限公司 | Ejection structure of injection mold |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007050553A (en) * | 2005-08-15 | 2007-03-01 | Citizen Electronics Co Ltd | Gate system in injection mold |
| CN201158123Y (en) * | 2007-12-03 | 2008-12-03 | 比亚迪股份有限公司 | Injection mold |
| CN102133789B (en) * | 2011-02-25 | 2013-03-27 | 宁波天龙电子股份有限公司 | Double-mould-opening and double-core-pulling mechanism |
| CN103144259A (en) * | 2013-03-01 | 2013-06-12 | 宁波天龙电子股份有限公司 | Mould ejecting mechanism capable of sequentially ejecting product and flow channel |
| CN203210633U (en) * | 2013-04-27 | 2013-09-25 | 嘉善富亿德塑胶有限公司 | Intramode automatic shearing device of side gate |
| CN203888146U (en) * | 2013-11-22 | 2014-10-22 | 宁波天龙电子股份有限公司 | Mould ejection mechanism for separating product from runner |
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- 2013-11-22 CN CN201310602991.6A patent/CN103660187B/en active Active
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| Publication number | Publication date |
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| CN103660187A (en) | 2014-03-26 |
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