CN107443680A - Folded mould hot flow path adapted to injection system - Google Patents
Folded mould hot flow path adapted to injection system Download PDFInfo
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- CN107443680A CN107443680A CN201610382506.2A CN201610382506A CN107443680A CN 107443680 A CN107443680 A CN 107443680A CN 201610382506 A CN201610382506 A CN 201610382506A CN 107443680 A CN107443680 A CN 107443680A
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- 238000002347 injection Methods 0.000 title claims abstract description 31
- 239000007924 injection Substances 0.000 title claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 101
- 238000003032 molecular docking Methods 0.000 claims abstract description 37
- 238000009434 installation Methods 0.000 claims description 12
- 238000009826 distribution Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000003292 glue Substances 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
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
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- 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
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
-
- 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
- B29C2045/2761—Seals between nozzle and mould or gate
-
- 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
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
- B29C2045/2889—Sealing guide bushings therefor
-
- 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
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
- B29C2045/2893—Multiple coaxial needle valves
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Present invention is disclosed a kind of folded mould hot flow path adapted to injection system, including the first mould and the second mould being mutually butted, first mould includes the first hot flow path, second mould includes the second hot flow path, first mould includes the first hot mouth, the first sealing set is arranged with first hot mouth, second mould includes the second hot mouth, the second sealing set is arranged with second hot mouth, first hot mouth and the second hot mouth are mutually butted to form melten gel passage by the first sealing set and the second sealing set, and the first needle and the second needle are separately installed with the first hot mouth and the second hot mouth.Mould joint is folded in the present invention to be docked using the first sealing set being mutually butted and the second sealing set, and needle is using the docking sealing of " oblique pin+staight needle ", the sealing and patency of melten gel passage are higher, joint is not in hide glue phenomenon, folded mould can continuously, normally put into production, and realize automated production.
Description
Technical field
The invention belongs to hot flow path injection molding technology field, and in particular to a kind of folded mould hot flow path adapted to injection system.
Background technology
Hot flow path（hot runner）Used in injection mold, the heating component set plastics of thawing being injected into the cavity of mould.TOP-TIP is typically made up of several parts such as hot nozzle, flow distribution plate, temperature control box and annex.Hot nozzle form directly determines that TOP-TIP selects the manufacture with mould, thus TOP-TIP often is divided into open TOP-TIP and valve needle type hot flow passage system accordingly.
Folded mould（Stack Injection Mould has）A kind of hot runner mould of special construction, folded mould has obtained continuous development as a kind of new Tool and Die Technology, particularly and Hot runner Technology combination, make it a cutting edge technology of current plastic mould development.Folded mould is most suitable for being molded large flat product, shallow cavity housing class product, small-sized multi-cavity thin wall parts and the product that need to produce in enormous quantities.
Folded mould is to combine two secondary or how secondary ordinary injection dies, formula arranges in an overlapping, die cavity is arranged on 2 layers or multilayer template, melt fills simultaneously at two or more die joints, and the multiple die cavities of multilayer set back-to-back are poured into by lamination TOP-TIP, obtain double plastic cement product.Compared with traditional dies, folded mould clamp force only improves 5%~10%, but yield can increase by 90%~95%, and this just drastically increases utilization rate of equipment and installations and production efficiency, and reduces cost.
However, folded mould of the prior art uses traditional hot flow path all-purpose nozzle docking technique, in injection moulding process, Tibetan glue occurs in folded mould joint, influences the continuous operations of folded mould.
The content of the invention
It is an object of the invention to provide a kind of folded mould hot flow path adapted to injection system, it is higher to improve sealing and the patency of melten gel passage, and solves the problems, such as that joint occurs hiding glue.
To achieve these goals, technical scheme provided in an embodiment of the present invention is as follows：
A kind of folded mould hot flow path adapted to injection system,Including the first mould and the second mould being mutually butted,First mould includes the first hot flow path,Second mould includes the second hot flow path,First hot flow path includes the first hot mouth,The first sealing set is arranged with first hot mouth,Second hot flow path includes the second hot mouth,The second sealing set is arranged with second hot mouth,First sealing covers and the fixed fitting installation of the second sealing set,First hot mouth and the second hot mouth are mutually butted to form melten gel passage by the first sealing set and the second sealing set,The first needle and the second needle are separately installed with first hot mouth and the second hot mouth,First sealing covers and the second sealing puts the first valve opening and the second valve opening for being respectively provided with and housing the first needle and the second needle,First needle and the second needle block the first valve opening and the second valve opening respectively,And first needle and the second needle be mutually butted to close the melten gel passage.
As a further improvement on the present invention, first hot mouth includes the first hot mouth body, the first hot mouth point positioned at the first hot mouth body end and positioned at the intrinsic first melten gel passage of the first hot mouth, second hot mouth includes the second hot mouth body, the second hot mouth point positioned at the second hot mouth body end and positioned at the intrinsic second melten gel passage of the second hot mouth, the first hot mouth point is oppositely arranged with the second hot mouth point, and the first melten gel passage and the second melten gel passage are connected to form the melten gel passage.
As a further improvement on the present invention, the folded mould hot flow path adapted to injection system includes die opening state and matched moulds state, wherein：
Under first mould and the second mould die opening state, the first hot flow path and the second hot flow path are separated from each other setting, and the first needle and the second needle block the first valve opening and the second valve opening respectively, to close the first melten gel passage and the second melten gel passage；
Under first mould and the second mould matched moulds state, the first hot flow path and the second hot flow path are mutually butted, and the first needle and the second needle open the first valve opening and the second valve opening, to connect the first melten gel passage and the second melten gel passage, form melten gel passage.
As a further improvement on the present invention, the first sealing set includes the first docking section that protrusion is set, second sealing set includes the second docking section that depression is set, first valve opening and the second valve opening are respectively arranged in the first docking section and the second docking section, protrude the first docking section of setting and the second docking section of depression setting is bonded to each other setting.
As a further improvement on the present invention, the joint of first needle and the second needle is located in the first sealing set.
As a further improvement on the present invention, the joint of first needle and the second needle is located at 1 ~ 2mm in the first docking section.
As a further improvement on the present invention, the top angle of first needle is obtuse angle, and the top angle of the second needle is right angle, and the first valve opening and the second valve opening house the first needle and the second needle respectively.
As a further improvement on the present invention, the second sealing set is installed on hot mouth mold insert, the hot mouth mold insert is provided with internal thread, second sealing is put provided with external screw thread, hot mouth mold insert and the second sealing set are by external screw thread and the adjustable installation of internal thread, so that the first sealing set is bonded completely with the sealing face of the second sealing set.
As a further improvement on the present invention, the first hot mouth body and the first hot mouth point, and/or the second hot mouth body and the second hot mouth point pass through the adjustable installation of union cap (UC).
As a further improvement on the present invention, first hot flow path also includes positioned at the first flow distribution plate of the first hot mouth rear end and the first cylinder body for driving the first needle, and second hot flow path also includes positioned at the second flow distribution plate of the second hot mouth rear end and the second cylinder body for driving the second needle.
The beneficial effects of the invention are as follows：
Folded mould joint is docked using the first sealing set being mutually butted and the second sealing set, and needle is using the docking sealing of " oblique pin+staight needle ", needle in two moulds is driven using different cylinder bodies, the sealing and patency of melten gel passage are higher, joint is not in hide glue phenomenon, folded mould can continuously, normally put into production, and realize automated production；
Sealing set is designed using screw-type, and can adjust two sealing sets makes sealing face be bonded completely；
Injection efficiency, product quality and yield are improved, reduces injection cost.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, the required accompanying drawing used in embodiment or description of the prior art will be briefly described below, apparently, drawings in the following description are only some embodiments described in the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the folded mould cross section structure diagram of the first mould and the second mould composition in one embodiment of the present invention；
Fig. 2 is the cross section structure diagram of hot flow path adapted to injection system in one embodiment of the present invention；
Fig. 3 a are the dimensional structure diagrams of the first hot flow path in one embodiment of the present invention；
Fig. 3 b are the dimensional structure diagrams of the second hot flow path in one embodiment of the present invention；
Fig. 4 is that the first hot flow path and the second hot flow path dock schematic diagram in one embodiment of the present invention；
Fig. 5 is the cross section structure diagram of docking structure in one embodiment of the present invention；
Fig. 6 a, 6b are the die opening state and matched moulds state cross section structure diagram that mould hot flow path adapted to injection system is folded in one embodiment of the present invention respectively；
Fig. 7 is the mounting structure schematic diagram of the first sealing set, the second sealing set and hot mouth mold insert in one embodiment of the present invention；
Fig. 8 is the configuration schematic diagram of the first hot mouth, the second hot mouth and docking structure in one embodiment of the present invention.
Embodiment
Below with reference to embodiment shown in the drawings, the present invention will be described in detail.But these embodiments are not intended to limit the present invention, structure that one of ordinary skill in the art is made according to these embodiments, method or conversion functionally are all contained in protection scope of the present invention.
In each diagram of the present invention, for the ease of diagram, therefore structure or partial some sizes, can be only used for illustrating the basic structure of subject of the present invention relative to other structures or partial enlargement.
It is used herein for example " on ", " top ", " under ", the term of the representation space relative position such as " lower section " is in order at and is easy to the purpose of explanation to describe a unit as shown in the drawings or feature relative to another unit or the relation of feature.The term of relative space position can be intended to include different azimuth of the equipment in use or work in addition to orientation shown in figure.If for example, by figure equipment overturn, be described as being located at other units or feature " lower section " or " under " unit will be located at other units or feature " top ".Therefore, exemplary term " lower section " can include above and below both orientation.Equipment can be otherwise directed（It is rotated by 90 ° or other directions）, and correspondingly explain used herein and space correlation description language.
Also, it should be understood that although the grade of term first, second can be used to describe various elements or structure herein, but these are described object and should not be limited by these terms.These terms are only used for these description objects being distinguished from each other out.For example, the first mould can be referred to as the second mould, and similarly the second mould can also be referred to as the first mould, and this is without departing from protection scope of the present invention.
Join shown in Fig. 1, a kind of folded mould hot flow path adapted to injection system in the present embodiment, including the first mould 100 and the second mould 200 being mutually butted, first mould 100 is cover half, second mould 200 is dynamic model, first mould 100 and the second mould 200 are mutually butted, and the first mould 100 and the second mould 200 are valve needle type hot flow passage structure.
With reference to shown in Fig. 2, Fig. 3 a and Fig. 3 b, the first mould 100 includes the first hot flow path 10, and the second mould 200 includes the second hot flow path 20, and the first hot flow path 10 and the second hot flow path 20 are mutually butted by docking structure 30.
Further combined with shown in Fig. 4 and Fig. 8, the first hot flow path 10 in the present embodiment includes the first hot mouth 11, first hot mouth 11 includes the first hot mouth body 111, the first hot mouth point 112 positioned at the first hot mouth body end and positioned at the intrinsic first melten gel passage 113 of the first hot mouth, first hot mouth point 112 is sheathed on the front end of the first hot mouth body 111, first hot mouth body 111 and the first hot mouth point 112 are set to be separable, and the first melten gel passage 113 is formed inside the first hot mouth point 112 and the first hot mouth body 111.In addition, it is additionally provided with the first needle 12 in the first melten gel passage 113 of the first hot mouth 11.
Accordingly, second hot flow path 20 includes the second hot mouth 21, second hot mouth 21 includes the second hot mouth body 211, the second hot mouth point 212 positioned at the second hot mouth body end and positioned at the intrinsic second melten gel passage 213 of the second hot mouth, second hot mouth point 212 is sheathed on the front end of the second hot mouth body 211, second hot mouth body 211 and the second hot mouth point 212 are set to be separable, and the second melten gel passage 213 is formed inside the second hot mouth point 212 and the second hot mouth body 211.In addition, it is additionally provided with the second needle 22 in the second melten gel passage 213 of the second hot mouth 21.
In this way, being oppositely arranged the first hot mouth point 112 with the second hot mouth point 212 in the present embodiment, the first melten gel passage 113 is connected with the second melten gel passage 213 can form the melten gel passage flowed for melten gel.
Further, the end of first hot mouth 11 also includes the first union cap (UC) 114, first union cap (UC) 114 is provided with external screw thread, the end of first hot mouth body 111 is provided with internal thread, when the first hot mouth point 112 is installed in the first hot mouth body 111, the first hot mouth point 112 is fixed between the first hot mouth body 111 and the first union cap (UC) 114 by the first union cap (UC) 114 and the first hot mouth body 111 by internal thread and the adjustable installation of external screw thread again.
Similarly, the second hot mouth 21 may also comprise the second union cap (UC) 214, and the structure and mounting means of the second union cap (UC) 214 are identical with the first union cap (UC) 114, are no longer repeated herein.
First hot mouth 11 and the second hot mouth 21 are docked by docking structure 30 in the present embodiment, specifically, with reference to Fig. 5, shown in Fig. 7, docking structure 30 includes the first sealing set 31 for being sheathed on the front end of the first hot mouth 11 and the second sealing set 32 for being sheathed on the front end of the second hot mouth 21, first sealing set 31 and the second sealing set 32 fix fitting installation, and first is respectively provided with the first valve opening 311 and the second valve opening 321 for housing the first needle 12 and the second needle 22 on sealing set 31 and the second sealing set 32, first needle 12 and the second needle 22 can block the first valve opening 311 and the second valve opening 321 respectively, and first needle 12 and the second needle 22 be mutually butted to close melten gel passage.
Folded mould hot flow path adapted to injection system in the present embodiment includes die opening state and matched moulds state, specifically：
Under first mould 100 and the die opening state of the second mould 200, join shown in Fig. 6 a, first hot flow path 10 and the second hot flow path 20 are separated from each other setting, and the first needle 12 and the second needle 22 block the first valve opening 311 and the second valve opening 321 respectively, to close the first melten gel passage 113 and the second melten gel passage 213；
Under first mould 100 and the matched moulds state of the second mould 200, join shown in Fig. 6 b, first hot flow path 10 and the second hot flow path 20 are mutually butted, first needle 12 and the second needle 22 open the first valve opening 311 and the second valve opening 321, to connect the first melten gel passage 113 and the second melten gel passage 213, melten gel passage is formed.
First sealing set 31 includes the first docking section 312 that protrusion is set, second sealing set 32 includes the second docking section 322 that depression is set, first valve opening 311 and the second valve opening 321 are respectively arranged in the first docking section 312 and the second docking section 322, protrude the first docking section 312 of setting and the second docking section 322 of depression setting is bonded to each other setting.
Preferably, the joint of the first needle 12 and the second needle 22 is located in the first docking section in the present embodiment, joint distance first docks 1 ~ 2mm of end surface, and the end sections of the second needle 22 are located in the first docking section, to ensure the sealing face overflow adhesive cold burden of the first docking section and the second docking section.
The first needle 12 is the oblique pin that top angle is obtuse angle in the present invention, second needle 22 is the staight needle that top angle is right angle, first valve opening 311 and the second valve opening 321 house the first needle 12 and the second needle 22 respectively, first needle 12 and the second needle 22 are docked by the way of " oblique pin+staight needle ", the sealing and patency of melten gel passage can be improved, and needle joint is not in hide glue phenomenon.
Join shown in Fig. 4, Fig. 7, Fig. 8, the second sealing set 32 in the present embodiment is installed on hot mouth mold insert 33, and hot mouth mold insert 33 is provided with internal thread（It is not shown）, the second sealing set 32 is provided with external screw thread 323, and the sealing of hot mouth mold insert 33 and second set 32 passes through external screw thread and internal thread is adjustable installs（Join in Fig. 7 shown in dashed rectangle position）, the axial displacement that the second sealing covers can be adjusted by way of screw thread installation, so that the first sealing set 31 is bonded completely with the sealing face of the second sealing set 32.
Further, join shown in Fig. 1, Fig. 2, the first hot flow path 10 in the present embodiment is additionally provided with the first flow distribution plate 13 at the rear of the first hot mouth 11, first needle 12 is driven by the first cylinder body 14, second hot flow path 20 is additionally provided with the second flow distribution plate 23 at the rear of the second hot mouth 21, and the second needle 22 is driven by the second cylinder body 24.
The installation steps that mould hot flow path adapted to injection system is folded in the present embodiment are specific as follows：
The first hot flow path 10 and the second hot flow path 20 are assembled respectively first, are then mutually butted the first hot flow path 10 and the second hot flow path 20 by docking structure 30.Specifically, the front end of the first hot mouth 11 in the first hot flow path 10 and the first sealing set 31 are interfixed, the front end of the second hot mouth 21 in the second hot flow path 20 and the second sealing set 32 is interfixed；
First sealing set 31 and the second sealing set 32 are docked, are mutually butted the first docking section 312 and the second docking section 322, and the second sealing set 32 is installed on hot mouth mold insert 33 by way of screw thread installation.The position of the second sealing set 32 and hot mouth mold insert 33 is adjusted, the first sealing set 31 and the sealing face of the second sealing set 32 is bonded completely；
Finally the first sealing set 31 and the second sealing set 32 are fixed using bolt etc., sealing is carried out by the clamp force of mould, ensure overflow adhesive cold burden, its first sealing set 31 and the second sealing set 32 are in close contact by the clamp force of mould, the sealing and patency of melten gel passage can be kept, the pressure in melten gel passage is up to 15 ~ 200Mpa.
After the first mould 100 and the matched moulds of the second mould 200 in the present embodiment, the first needle 12 and the second needle 22 are controlled by the first cylinder body 14 and the second cylinder body 24 respectively, specific control principle is as follows：
Join shown in Fig. 6 a, under first mould 100 and the die opening state of the second mould 200, first hot flow path 10 and the second hot flow path 20 are in released state, first needle 12 is controlled by the first cylinder body 14, so that the first valve opening 311 that the first needle 12 is put with the first sealing abuts against, to close the first melten gel passage 113；Second needle 22 is controlled by the second cylinder body 24 so that the second valve opening 321 that the second needle 22 is put with the second sealing abuts against, to close the second melten gel passage 213.Also, the second needle 22 is through the second sealing set 32 and gos deep into the first sealing set 31, the joint of the first needle 12 and the second needle 22 is located in the first sealing set 31.Now, the melten gel passage that the first melten gel passage 113 and the second melten gel passage 213 are formed is closed by the first needle 12 and the second needle 22；
Join shown in Fig. 6 b, under first mould 100 and the matched moulds state of the second mould 200, first hot flow path 10 and the second hot flow path 20 are in mated condition by the first sealing set 31 and the second sealing set 32, first needle 12 is controlled by the first cylinder body 14, so that the first valve opening 311 that the first needle 12 is put with the first sealing is separated, now the first melten gel passage 113 is conducting state；Meanwhile the second needle 22 is controlled by the second cylinder body 24 so that the second needle 22 is separated with the second valve opening 321 on the second sealing set 32, and now, the second melten gel passage 213 is conducting state.In this way, the first melten gel passage 113 and the second melten gel passage 213 are interconnected by the first valve opening 311 and the second valve opening 321, to form the melten gel passage of sizing material flowing.
It should be understood that, illustrated in the present embodiment so that the first mould is cover half, the second mould is dynamic model as an example, the first mould can also be dynamic model in other embodiments, and the second mould is cover half, the needle that top angle is obtuse angle is set in dynamic model, and set top angle to be the needle at right angle in cover half, while be correspondingly arranged corresponding sealing set and be fixed.Docking mode is essentially identical with above-described embodiment, and no longer citing is described in detail herein.
As can be seen from the above technical solutions, folded mould hot flow path adapted to injection system of the invention has the advantages that：
Folded mould joint is docked using the first sealing set being mutually butted and the second sealing set, and needle is using the docking sealing of " oblique pin+staight needle ", needle in two moulds is driven using different cylinder bodies, the sealing and patency of melten gel passage are higher, joint is not in hide glue phenomenon, folded mould can continuously, normally put into production, and realize automated production；
Sealing set is designed using screw-type, and can adjust two sealing sets makes sealing face be bonded completely；
Injection efficiency, product quality and yield are improved, reduces injection cost.
It should be understood that, although the present specification is described in terms of embodiments, but not each embodiment only includes an independent technical scheme, this narrating mode of specification is only for clarity, the skilled in the art should refer to the specification as a whole, technical scheme in each embodiment may also be suitably combined to form that other embodiments which can be understood by those skilled in the art.
Those listed above is a series of to describe illustrating only for feasibility embodiment of the invention in detail; they simultaneously are not used to limit the scope of the invention, and all equivalent implementations made without departing from skill spirit of the present invention or change should be included in the scope of the protection.
Claims (10)
- A kind of 1. folded mould hot flow path adapted to injection system,Including the first mould and the second mould being mutually butted,First mould includes the first hot flow path,Second mould includes the second hot flow path,It is characterized in that,First hot flow path includes the first hot mouth,The first sealing set is arranged with first hot mouth,Second hot flow path includes the second hot mouth,The second sealing set is arranged with second hot mouth,First sealing covers and the fixed fitting installation of the second sealing set,First hot mouth and the second hot mouth are mutually butted to form melten gel passage by the first sealing set and the second sealing set,The first needle and the second needle are separately installed with first hot mouth and the second hot mouth,First sealing covers and the second sealing puts the first valve opening and the second valve opening for being respectively provided with and housing the first needle and the second needle,First needle and the second needle block the first valve opening and the second valve opening respectively,And first needle and the second needle be mutually butted to close the melten gel passage.
- 2. folded mould hot flow path adapted to injection system according to claim 1, it is characterized in that, first hot mouth includes the first hot mouth body, the first hot mouth point positioned at the first hot mouth body end and positioned at the intrinsic first melten gel passage of the first hot mouth, second hot mouth includes the second hot mouth body, the second hot mouth point positioned at the second hot mouth body end and positioned at the intrinsic second melten gel passage of the second hot mouth, the first hot mouth point is oppositely arranged with the second hot mouth point, and the first melten gel passage and the second melten gel passage are connected to form the melten gel passage.
- 3. folded mould hot flow path adapted to injection system according to claim 2, it is characterised in that the folded mould hot flow path adapted to injection system includes die opening state and matched moulds state, wherein：Under first mould and the second mould die opening state, the first hot flow path and the second hot flow path are separated from each other setting, and the first needle and the second needle block the first valve opening and the second valve opening respectively, to close the first melten gel passage and the second melten gel passage；Under first mould and the second mould matched moulds state, the first hot flow path and the second hot flow path are mutually butted, and the first needle and the second needle open the first valve opening and the second valve opening, to connect the first melten gel passage and the second melten gel passage, form melten gel passage.
- 4. folded mould hot flow path adapted to injection system according to claim 1, it is characterized in that, the first sealing set includes the first docking section that protrusion is set, second sealing set includes the second docking section that depression is set, first valve opening and the second valve opening are respectively arranged in the first docking section and the second docking section, protrude the first docking section of setting and the second docking section of depression setting is bonded to each other setting.
- 5. folded mould hot flow path adapted to injection system according to claim 4, it is characterised in that the joint of first needle and the second needle is located in the first sealing set.
- 6. folded mould hot flow path adapted to injection system according to claim 5, it is characterised in that the joint of first needle and the second needle is located at 1 ~ 2mm in the first docking section.
- 7. folded mould hot flow path adapted to injection system according to claim 1, it is characterised in that the top angle of first needle is obtuse angle, and the top angle of the second needle is right angle, and the first valve opening and the second valve opening house the first needle and the second needle respectively.
- 8. folded mould hot flow path adapted to injection system according to claim 2, it is characterized in that, the second sealing set is installed on hot mouth mold insert, the hot mouth mold insert is provided with internal thread, second sealing is put provided with external screw thread, hot mouth mold insert and the second sealing set are by external screw thread and the adjustable installation of internal thread, so that the first sealing set is bonded completely with the sealing face of the second sealing set.
- 9. folded mould hot flow path adapted to injection system according to claim 2, it is characterised in that the first hot mouth body and the first hot mouth point, and/or the second hot mouth body and the second hot mouth point pass through the adjustable installation of union cap (UC).
- 10. folded mould hot flow path adapted to injection system according to claim 1, it is characterized in that, first hot flow path also includes positioned at the first flow distribution plate of the first hot mouth rear end and the first cylinder body for driving the first needle, and second hot flow path also includes positioned at the second flow distribution plate of the second hot mouth rear end and the second cylinder body for driving the second needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610382506.2A CN107443680A (en) | 2016-06-01 | 2016-06-01 | Folded mould hot flow path adapted to injection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610382506.2A CN107443680A (en) | 2016-06-01 | 2016-06-01 | Folded mould hot flow path adapted to injection system |
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| CN107443680A true CN107443680A (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610382506.2A Pending CN107443680A (en) | 2016-06-01 | 2016-06-01 | Folded mould hot flow path adapted to injection system |
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| CN (1) | CN107443680A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110253838A (en) * | 2019-07-31 | 2019-09-20 | 广东美的白色家电技术创新中心有限公司 | Hot runner, hot runner plastic injection mould and its pouring procedure |
| CN113696423A (en) * | 2021-08-26 | 2021-11-26 | 延锋海纳川汽车饰件系统有限公司 | Laminated mold hot runner system capable of preventing glue leakage |
| CN114559612A (en) * | 2022-03-11 | 2022-05-31 | 东莞市热恒注塑科技有限公司 | Intelligent rear mold embedded type full-hot-side glue feeding hot nozzle structure |
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| CN110253838A (en) * | 2019-07-31 | 2019-09-20 | 广东美的白色家电技术创新中心有限公司 | Hot runner, hot runner plastic injection mould and its pouring procedure |
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| CN113696423A (en) * | 2021-08-26 | 2021-11-26 | 延锋海纳川汽车饰件系统有限公司 | Laminated mold hot runner system capable of preventing glue leakage |
| CN114559612A (en) * | 2022-03-11 | 2022-05-31 | 东莞市热恒注塑科技有限公司 | Intelligent rear mold embedded type full-hot-side glue feeding hot nozzle structure |
| CN114559612B (en) * | 2022-03-11 | 2023-11-28 | 东莞市热恒注塑科技有限公司 | Intelligent rear mold embedded type full-hot side glue feeding hot nozzle structure |
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