CN108437374A - A kind of injection mold anti-backflow device - Google Patents
A kind of injection mold anti-backflow device Download PDFInfo
- Publication number
- CN108437374A CN108437374A CN201810308133.3A CN201810308133A CN108437374A CN 108437374 A CN108437374 A CN 108437374A CN 201810308133 A CN201810308133 A CN 201810308133A CN 108437374 A CN108437374 A CN 108437374A
- Authority
- CN
- China
- Prior art keywords
- shell
- fixed
- pedestal
- injection
- injecting cavity
- Prior art date
- 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.)
- Pending
Links
- 238000002347 injection Methods 0.000 title claims abstract description 31
- 239000007924 injection Substances 0.000 title claims abstract description 31
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 244000273618 Sphenoclea zeylanica Species 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000012778 molding material Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 239000012943 hotmelt Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000000275 quality assurance Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 239000002699 waste material Substances 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
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices 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
- B29C45/2737—Heating or cooling means therefor
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of injection mold anti-backflow devices, are related to technical field of mold.Including pedestal, one surface of pedestal is fixed with shell, shell inner surface fixes Flow restrictions by fixed link, and shell inner surface is fixed with heating device, and one surface of shell offers conical bore, one surface of shell offers injecting cavity, conical bore one end is connected to injecting cavity, and current-limiting apparatus includes hollow stem, and hollow stem inner surface is sliding combined with telescopic rod, spring is fixed between hollow stem inner surface and telescopic rod one end, telescopic rod one end is fixed with and the matched limiting block of injecting cavity.The present invention is used cooperatively by shell, pedestal and current-limiting apparatus, and the function of flowing backwards can be generated by injection molding material and reversed volitional check mold injection mouth by having unidirectional be pressurized, easy to use, be ensure that the quality of production of mold, improved production efficiency.
Description
Technical field
The invention belongs to technical field of mold, more particularly to a kind of injection mold anti-backflow device.
Background technology
Injection mold makes one kind of mold, is a kind of tool producing plasthetics, is also to confer to plasthetics and completely ties
The tool of structure and accurate dimension.Injection molding is to produce a kind of processing method used when certain complex-shaped components in batches, tool
Body refers to obtains formed products by injection molding machine high pressure injection die cavity by the plastics of heated thawing after cooling and solidifying.
In injection mold production process, injection molding machine by hot-melting and injection-molding material inject mold in, after pressurize, plunger or
Screw retreats, pressure releases in cavity, at this moment the melting material pressure in cavity often will appear cast gate still by than high in front of cast gate
The case where not freezing, the melt in cavity will be flowed to running gate system by cast gate and generate refluence, can make plastic generate shrink,
The defects of deformation and quality are loose, and the method for existing anti-backflow is to go to judge whether cast gate freezes with working experience, is often prolonged
The post-set time of slow injection made showerhead, does not have very high quality assurance, affect production efficiency yet.
Invention content
The purpose of the present invention is to provide a kind of injection mold anti-backflow devices, by coordinating current-limiting apparatus in the housing
The function of having volitional check refluence, solves in existing injection mold production process go whether judge cast gate with working experience
The problem of freezing, often delaying the post-set time of injection made showerhead, do not have very high quality assurance, also affect production efficiency.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
The present invention is a kind of injection mold anti-backflow device, including pedestal, one surface of the pedestal be fixed with shell, institute
It states shell inner surface and Flow restrictions is fixed by fixed link, the shell inner surface is fixed with heating device；
One surface of the shell offers conical bore, and one surface of the shell offers injecting cavity, described conical bore one end
It is connected to injecting cavity；
The current-limiting apparatus includes hollow stem, and the hollow stem inner surface is sliding combined with telescopic rod, in the hollow stem
Spring is fixed between surface and telescopic rod one end, described telescopic rod one end is fixed with and the matched limiting block of injecting cavity.
Further, one surface of the shell offers heating chamber, and a thin-walled is formed between the heating chamber and injecting cavity,
One surface of the heating device is fixedly connected with thin-walled surface.
Further, the injecting cavity cross section is taper type, and the shell is made of metal material.
Further, one surface of the pedestal is fixed with runs through with the matched boss of heating chamber, one surface of the pedestal
There are conical opening, one surface of the pedestal to be fixed with injection-tube, the injection length of tube is within the scope of 2cm-5cm.
Further, one surface of the pedestal offers installation through-hole.
The invention has the advantages that：
1, the present invention is used cooperatively by shell, pedestal and current-limiting apparatus, and having unidirectional be pressurized can be by injection molding material and anti-
The function of flowing backwards is generated to volitional check mold injection mouth, it is easy to use, it ensure that the quality of production of mold, improve life
Produce efficiency.
2, the present invention in heating chamber by being arranged heating device, it is ensured that injection molding material passes through, and rear
It will not remain and block in continuous production, avoid the waste of material.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of structural schematic diagram of injection mold anti-backflow device of the present invention；
Fig. 2 is the structural schematic diagram for looking up visual angle of Fig. 1；
Fig. 3 is the structural schematic diagram inside Fig. 1；
Fig. 4 is that the right side of figure three regards the structural schematic diagram at visual angle；
Fig. 5 is the structural schematic diagram inside hollow stem.
In attached drawing, parts list represented by the reference numerals are as follows：
1- pedestals, 2- shells, 3- current-limiting apparatus, 4- heating devices, 101- boss, 102- conical openings, 103- injection-tubes,
104- installation through-holes, 201- conical bores, 202- injecting cavities, 203- heating chambers, 301- hollow stems, 302- telescopic rods, 303- springs,
304- limiting blocks.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " trepanning ", "upper", "lower", " thickness ", "top", " in ",
Indicating positions or the position relationship such as " length ", "inner", " surrounding ", are merely for convenience of description of the present invention and simplification of the description, without
It is that the component of instruction or hint meaning or element must have a particular orientation, with specific azimuth configuration and operation, therefore not
It can be interpreted as limitation of the present invention.
It please refers to Fig.1 shown in -5, the present invention is a kind of injection mold anti-backflow device, including pedestal 1,1 one table of pedestal
Face is fixed with shell 2, and 2 inner surface of shell fixes Flow restrictions 3 by fixed link, and 2 inner surface of shell is fixed with heating device
4, heating device 4 is electromagnetic heating plate；
2 one surface of shell offers conical bore 201, and 2 one surface of shell offers injecting cavity 202,201 one end of conical bore with
Injecting cavity 202 is connected to；
Current-limiting apparatus 3 includes hollow stem 301, and 301 inner surface of hollow stem is sliding combined with telescopic rod 302, in hollow stem 301
Spring 303 is fixed between 302 one end of surface and telescopic rod, 302 one end of telescopic rod is fixed with and 202 matched limit of injecting cavity
Block 304 is flowed, 304 maximum cross section width of limiting block is less than 202 maximum cross section width of injecting cavity.
Wherein, 2 one surface of shell offers heating chamber 203, forms a thin-walled between heating chamber 203 and injecting cavity 202, adds
4 one surface of thermal is fixedly connected with thin-walled surface.
Wherein, 202 cross section of injecting cavity is taper type, and shell 2 is made of metal material.
Wherein, 1 one surface of pedestal is fixed with and 203 matched boss 101 of heating chamber, boss 101 and 203 mistake of heating chamber
It is full of cooperation, 1 one surface of pedestal is through having conical opening 102,1 one surface of pedestal to be fixed with injection-tube 103, the length of injection-tube 103
For 4cm.
Wherein, 1 one surface of pedestal offers installation through-hole 104, and the quantity of installation through-hole 104 is four.
One of the present embodiment has particular application as：Injection-tube 103 and mold injection port are aligned and inserted into mold injection port,
Pedestal 1 is fixed on die surface across installation through-hole 104 by bolt, when carrying out injection molding, the injection molding of injection molding machine
Nozzle alignment conical bore 201 is molded, and the hot melt injection material in injection-moulding nozzle squeezes limiting block 304, and the extruding of limiting block 304 is stretched
Contracting bar 302, telescopic rod 302 squeeze spring 303 and are retracted into hollow stem 301, and hot melt injection material enters in injecting cavity 202, is noting
During penetrating, heating device 4 is in open state, makes the injection material in injection molding cavity 202 that hot melt state, hot melt injection material be kept to wear
It crosses conical opening 102 and injection-tube 103 flows into mold, can be exited without waiting after injection molding machine completes injection, pressurize work
Injection-moulding nozzle, there is no the pressure of injection material, spring 303 to squeeze telescopic rod 302 and push away after injection-moulding nozzle exits, at conical bore 201
Dynamic limiting block 304 resets, and to block injecting cavity 202 again, makes the injection material for not having to cool down completely in mold that can not generate
Reflux, ensures the injection molding quality of mold.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the present invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably explain the present invention
Principle and practical application, to enable skilled artisan to be best understood by and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (5)
1. a kind of injection mold anti-backflow device, including pedestal (1), it is characterised in that：(1) one surface of the pedestal is fixed with
Shell (2), shell (2) inner surface fix Flow restrictions (3) by fixed link, and shell (2) inner surface is fixed with
Heating device (4)；
(2) one surface of the shell offers conical bore (201), and (2) one surface of the shell offers injecting cavity (202), institute
Conical bore (201) one end is stated to be connected to injecting cavity (202)；
The current-limiting apparatus (3) includes hollow stem (301), and hollow stem (301) inner surface is sliding combined with telescopic rod
(302), spring (303), the telescopic rod are fixed between hollow stem (301) inner surface and telescopic rod (302) one end
(302) one end is fixed with and injecting cavity (202) matched limiting block (304).
2. a kind of injection mold anti-backflow device according to claim 1, which is characterized in that (2) one table of the shell
Face offers heating chamber (203), and a thin-walled, the heating device are formed between the heating chamber (203) and injecting cavity (202)
(4) one surfaces are fixedly connected with thin-walled surface.
3. a kind of injection mold anti-backflow device according to claim 1, which is characterized in that the injecting cavity (202)
Cross section is taper type, and the shell (2) is made of metal material.
4. a kind of injection mold anti-backflow device according to claim 1 and 2, which is characterized in that the pedestal (1) one
Surface is fixed with and heating chamber (203) matched boss (101), and (1) one surface of the pedestal, which is run through, conical opening (102),
(1) one surface of the pedestal is fixed with injection-tube (103), and injection-tube (103) length is within the scope of 2cm-5cm.
5. a kind of injection mold anti-backflow device according to claim 1, which is characterized in that (1) one table of the pedestal
Face offers installation through-hole (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810308133.3A CN108437374A (en) | 2018-04-08 | 2018-04-08 | A kind of injection mold anti-backflow device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810308133.3A CN108437374A (en) | 2018-04-08 | 2018-04-08 | A kind of injection mold anti-backflow device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108437374A true CN108437374A (en) | 2018-08-24 |
Family
ID=63198767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810308133.3A Pending CN108437374A (en) | 2018-04-08 | 2018-04-08 | A kind of injection mold anti-backflow device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108437374A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109228177A (en) * | 2018-10-12 | 2019-01-18 | 常州大学 | The mechanism and method for preventing mould gate melt from flowing backwards |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067607A (en) * | 1991-06-08 | 1993-01-06 | 谢桂深 | Combined automatic injection nozzle with anti-reflux and anti-leak junction |
| JPH10337753A (en) * | 1997-06-10 | 1998-12-22 | Toshiba Mach Co Ltd | Backflow preventing apparatus for injection molding machine |
| JP2006297738A (en) * | 2005-04-20 | 2006-11-02 | Aisin Chem Co Ltd | Injection molding mold and injection molding method |
| CN201415471Y (en) * | 2009-06-05 | 2010-03-03 | 安徽龙磁科技股份有限公司 | Cone material sealing valve for automatic injection molds of magnetic tiles |
| CN205767171U (en) * | 2016-05-31 | 2016-12-07 | 赛勒斯（天津）电子有限公司 | A kind of horizontal injection press |
-
2018
- 2018-04-08 CN CN201810308133.3A patent/CN108437374A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067607A (en) * | 1991-06-08 | 1993-01-06 | 谢桂深 | Combined automatic injection nozzle with anti-reflux and anti-leak junction |
| JPH10337753A (en) * | 1997-06-10 | 1998-12-22 | Toshiba Mach Co Ltd | Backflow preventing apparatus for injection molding machine |
| JP2006297738A (en) * | 2005-04-20 | 2006-11-02 | Aisin Chem Co Ltd | Injection molding mold and injection molding method |
| CN201415471Y (en) * | 2009-06-05 | 2010-03-03 | 安徽龙磁科技股份有限公司 | Cone material sealing valve for automatic injection molds of magnetic tiles |
| CN205767171U (en) * | 2016-05-31 | 2016-12-07 | 赛勒斯（天津）电子有限公司 | A kind of horizontal injection press |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109228177A (en) * | 2018-10-12 | 2019-01-18 | 常州大学 | The mechanism and method for preventing mould gate melt from flowing backwards |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108437374A (en) | A kind of injection mold anti-backflow device | |
| CN210969696U (en) | Injection molding feeding device | |
| CN103464753A (en) | Self-locking-type nozzle for injection moulding machine | |
| CN209426055U (en) | A kind of injection mold with water circulation cooling device | |
| CN203495224U (en) | Self-locking nozzle for injection molding machine | |
| CN104369312B (en) | External oil cylinder adding pressure type injection molding machine | |
| CN215919049U (en) | Integral sprue bush of die mould | |
| CN102582021B (en) | For producing platen press in the gas of plastic components | |
| CN205767167U (en) | A kind of injection machine | |
| CN210758801U (en) | Plastic dustproof cover injection mold | |
| CN105397988A (en) | Temperature-controllable injection mold | |
| CN109228177B (en) | Mechanism and method for preventing backflow of mold gate melt | |
| CN207345003U (en) | A kind of liquid-state silicon gel production cold runner die of no mouth of a river without runner material | |
| CN207403119U (en) | A kind of injection device of automatic injection machine and automatic injection machine | |
| CN207327538U (en) | A kind of injection device of the auxiliary injection molding of water with pressure detecting | |
| CN208437669U (en) | A kind of amorphous alloy T-type tubing making apparatus | |
| CN207386514U (en) | A kind of die casting machine injection device | |
| CN205167434U (en) | Controllable injection mold of temperature | |
| CN219133084U (en) | Single-hole injection mold with built-in heating runner | |
| CN220995308U (en) | Toy injection molding machine convenient to clearance discharge gate | |
| CN219405232U (en) | Forming device is used in production of high antiskid four-finger gloves convenient to drawing of patterns | |
| CN204451017U (en) | A kind of nozzle arrangements of rubber injection moulding machine | |
| CN217258055U (en) | Nozzle structure of hot runner | |
| CN213675231U (en) | High-precision injection mold for rapid molding of automobile plastic parts | |
| CN212893125U (en) | Mould for forming conductive adhesive tape |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180824 |