CN205167420U - Injection mold with side sprue needle - Google Patents
Injection mold with side sprue needle Download PDFInfo
- Publication number
- CN205167420U CN205167420U CN201520896978.0U CN201520896978U CN205167420U CN 205167420 U CN205167420 U CN 205167420U CN 201520896978 U CN201520896978 U CN 201520896978U CN 205167420 U CN205167420 U CN 205167420U
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- Prior art keywords
- needle
- nozzle
- side nozzle
- opening
- injection mold
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Abstract
The utility model discloses an injection mold with side sprue needle, include: fixed die plate and the movable mould board that corresponds, be provided with a side nozzle fixed plate that lies in shape chamber side on the fixed die plate, be provided with the side nozzle in the side nozzle fixed plate, be provided with a side nozzle piece on the side nozzle, be provided with a nozzle head in the side nozzle piece, be provided with a switching needle in the nozzle head, it carries out the start -up needle that links to be provided with a cylinder components on the fixed die plate and to be connected with cylinder components, the end that starts the needle be provided with one with the corresponding inclined plane spout of switching needle end. In this way, injection mold with side sprue needle, compact structure, the installation is swift, cylinder components's multilevel control is nimble, has avoided the solidification of melting resin in side sprue, has promoted demoulding effect and product quality.
Description
Technical field
The present invention relates to injection molding art, particularly relate to a kind of injection mold with side gate needle.
Background technology
In plastic cement products design, the design of side gate when the end face of product or bottom surface do not allow cast gate to print, can be used, and in order to the efficiency that improves injection mo(u)lding and quality, usually can use the hot runner injection molding system of needle valve type cast gate.
The side gate direction of side gate type hot runner plastic injection mould is different from the opening and closing direction of mould, the valve needle device of side gate is made to be not easy very much to arrange, and part side gate valve needle device needs very large installation space, mold integral size is caused to become large, the assembling that diverse location is axially different and apportioned effort very complicated and difficult, very many with the binding site of other parts, cause the part added to prevent joint portion from leaking glue to increase.
In addition, by traditional forming method, a part of resin in die cavity can immerse in cast gate front end, and solidify in cast gate, the resin of this part solidification can be stuck in cast gate place when product is got in die sinking, causes product to take out smoothly, if taken out by force, product surface there will be back-off bad phenomenon.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of injection mold with side gate needle, the structure of simplified side cast gate needle assembly and installation difficulty, and resin when avoiding producing in shape chamber solidifies in cast gate.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of injection mold with side gate needle, comprise: the moving platen of solid plate and correspondence thereof, the shape chamber of plastic cement products is formed between described solid plate and moving platen, described solid plate is provided with the side nozzle fixed head that is positioned at side, shape chamber, side nozzle is provided with in described side nozzle fixed head, the main burner be connected with side nozzle is provided with in described solid plate, described side nozzle is provided with a side nozzle block, a nozzle head is provided with in described side nozzle block, an opening and closing needle is provided with in described nozzle head, described solid plate is provided with a cylinder assembly and the startup needle carrying out linking that is connected with cylinder assembly, the end of described startup needle is provided with an inclined-plane chute corresponding with opening and closing valve needle terminal end, described opening and closing valve needle terminal end extends to nozzle head outside and is provided with the slide block snapped in inclined-plane chute.
In a preferred embodiment of the present invention, described cylinder assembly comprises and starts cylinder body and the first piston be provided at its inner portion and the second piston, be provided with in described startup cylinder body and lay respectively at below first piston and the first space of top and second space, be provided with in described startup cylinder body and lay respectively at below the second piston and the 3rd space of top and the 4th space, described startup needle top and the second piston link, and described second piston is positioned at above first piston and moves up and down with first piston.
In a preferred embodiment of the present invention, described side nozzle fixed head side is provided with the side gate be communicated with shape chamber, and the front end of described opening and closing needle is provided with the cylinder valve body corresponding with side gate, and described opening and closing needle is arranged along the axis of side gate.
In a preferred embodiment of the present invention, described main burner is arranged along the opening and closing direction of solid plate and moving platen, described solid plate is provided with flow distribution plate, described flow distribution plate side is provided with the first hot-fluid bend be communicated with main burner, and described startup needle is connected with opening and closing needle through flow distribution plate, main burner and side nozzle successively.
In a preferred embodiment of the present invention, described startup needle and opening and closing needle perpendicular and link, described startup needle move up and down the side-to-side movement driving opening and closing needle.
In a preferred embodiment of the present invention, be provided with tube connector between described main burner and side nozzle and be communicated with, described main burner is fixedly installed the guide finger extending to side nozzle inside, described side nozzle is provided with the guiding slide opening corresponding with guide finger.
In a preferred embodiment of the present invention, described side nozzle block is provided with a screwed hole, described nozzle head rear end cylindrical is provided with the screw thread corresponding with screwed hole and is fixed in side nozzle block.
In a preferred embodiment of the present invention, the the second hot-fluid bend be connected with side nozzle is provided with in described side nozzle block, be provided with the molten resin passage be connected with the second hot-fluid bend in described nozzle head, described opening and closing needle front end is axially disposed within molten resin passage.
In a preferred embodiment of the present invention, described side nozzle block rear is provided with the back-up block being positioned at and starting outside valve needle terminal end, is provided with the spacing contiguous block being positioned at and starting below valve needle terminal end between described back-up block and side nozzle block.
The invention has the beneficial effects as follows: a kind of injection mold with side gate needle that the present invention points out, utilize the cooperation of vertically disposed opening and closing needle and startup needle, complete side gate to open and close, compact conformation, quick for installation, the Multistage Control of cylinder assembly is flexible, make cylinder valve body in the outside of side gate, inside and inner side conversion, coordinate the solidification of molten resin, avoid the solidification of molten resin in side gate, improve stripping result and product quality, avoid product surface to occur the bad phenomenon of back-off.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of a kind of injection mold one preferred embodiment with side gate needle of the present invention;
Fig. 2 is the partial enlarged drawing of part A in Fig. 1;
Fig. 3 is a kind of structural representation with cylinder assembly one preferred embodiment in the injection mold of side gate needle of the present invention.
Detailed description of the invention
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 to Fig. 3, the embodiment of the present invention comprises:
A kind of injection mold with side gate needle, comprise: the moving platen 2 of solid plate 1 and correspondence thereof, the shape chamber 21 of plastic cement products is formed between described solid plate 1 and moving platen 2, described solid plate 1 is provided with the side nozzle fixed head 11 that is positioned at side, shape chamber 21, described side nozzle fixed head 11 side is provided with the side gate 18 be communicated with shape chamber 21, carry out injection moulding from side, shape chamber 21, avoid leaving the cast gate marking at the top of product and bottom, meet customer requirement.
Side nozzle 15 is provided with in described side nozzle fixed head 11, the main burner 14 be connected with side nozzle 15 is provided with in described solid plate 1, described side nozzle 15 is provided with a side nozzle block 6, a nozzle head 5 is provided with in described side nozzle block 6, an opening and closing needle 4 is provided with in described nozzle head 5, described solid plate 1 is provided with a cylinder assembly and the startup needle 3 carrying out linking that is connected with cylinder assembly, the end of described startup needle 3 is provided with an inclined-plane chute corresponding with opening and closing needle 4 end, described opening and closing needle 4 end extends to nozzle head 5 outside and is provided with the slide block snapped in inclined-plane chute.Described startup needle 3 is perpendicular and link with opening and closing needle 4, the upper shipper pole of described startup needle 3 moves the retrogressing of opening and closing needle 4, and the advance moving down drive opening and closing needle 4 of described startup needle 3, takes full advantage of the design feature of solid plate 1 and moving platen 2, volume compact, assembling is quick.
Described cylinder assembly comprises and starts cylinder body 7 and the first piston 71 be provided at its inner portion and the second piston 72, be provided with in described startup cylinder body 7 and lay respectively at below first piston 71 and the first space 73 of top and second space 74, be provided with in described startup cylinder body 7 and lay respectively at below the second piston 72 and the 3rd space 75 of top and the 4th space 76, described startup needle 3 top and the second piston 72 link, described second piston 72 is positioned at above first piston 71 and moves up and down with first piston 71, by controlling the intake and exhaust in the first space 73 and second space 74, regulate and start moving up and down of needle 3, thus realize moving forward and backward of opening and closing needle 4.
The front end of described opening and closing needle 4 is provided with the cylinder valve body 41 corresponding with side gate 18, and described opening and closing needle 4 is arranged along the axis of side gate 18.During cylinder valve body 41 approaching side cast gate 18, side gate 18 is blocked, block the circulation of molten resin in shape chamber 21 and nozzle head 5.
Described main burner 14 is arranged along the opening and closing direction of solid plate 1 and moving platen 2, described solid plate 1 is provided with flow distribution plate 12, described flow distribution plate 12 side is provided with the first hot-fluid bend 13 be communicated with main burner 14, described startup needle 3 is connected with opening and closing needle 4 through flow distribution plate 12, main burner 14 and side nozzle 15 successively, improves the compact effect of structure.
Be provided with tube connector 16 between described main burner 14 and side nozzle 15 to be communicated with, described main burner 14 is fixedly installed the guide finger 17 extending to side nozzle 15 inside, described side nozzle 15 is provided with the guiding slide opening corresponding with guide finger 17, the dislocation that minimizing main burner 14 and side nozzle 15 produce because of expanded by heating in injection moulding process.
Described side nozzle block 6 is provided with a screwed hole, described nozzle head 5 rear end cylindrical is provided with the screw thread corresponding with screwed hole and is fixed in side nozzle block 6, be connected firmly, mount and dismount more convenient, and durability being good.
Be provided with the second hot-fluid bend 63 be connected with side nozzle 15 in described side nozzle block 6, be provided with the molten resin passage 51 be connected with the second hot-fluid bend 63 in described nozzle head 5, described opening and closing needle 4 front end is axially disposed within molten resin passage 51.Molten resin passage 51 front end is connected with side gate 18 to carry out the injection in molten resin synform chamber 21.
Described side nozzle block 6 rear is provided with the back-up block 61 being positioned at and starting outside needle 3 end, is provided with the spacing contiguous block 62 being positioned at and starting below needle 3 end between described back-up block 61 and side nozzle block 6.Spacing contiguous block 62 limits the maximum displacement starting needle 3 and move down, and avoids opening and closing needle 4 and the shock of nozzle head 5, improves the service life of opening and closing needle 4.
Utilize the injection mold with side gate needle to carry out a method for injection mo(u)lding, comprise the following steps:
Closed solid plate 1 and moving platen 2 are arranged on injection machine, start injection machine, reinforced hot melt, closed solid plate 1 and moving platen 2;
Control to start cylinder body, air is injected in the first space 73, make first piston 71 increase and compress second space 74, second piston 72 rises thereupon, treat that second space 74 is by the air feed stopped after compression toward the first space 73, then in the 3rd space 75, air is injected, the second piston 72 is made to continue to rise, start needle 3 to rise with the rising of the second piston 72, start needle 3 end inclined-plane chute when rising, the slide block snapping in inclined-plane chute retreats thereupon changing in the position of inclined-plane chute, drive the retrogressing of opening and closing needle 4, until cylinder valve body 41 complete receding side cast gate 18 stops injecting air in the 3rd space 75,
Start injection machine and carry out injection moulding injection, make molten resin enter shape chamber 21 by the first hot-fluid bend 13, main burner 14, side nozzle 15, second hot-fluid bend 63, molten resin passage 51 and side gate 18 successively;
After shape chamber 21 is melted resin filling completely, discharge the air in the first space 73 and the 3rd space 75, make to start needle 3 and fall, opening and closing needle 4 advances, final cylinder valve body 41 is filled in side gate 18 and is extended in the shape chamber 21 outside side gate 18, stops that molten resin enters shape chamber 21 again;
Molten resin in shape chamber 21 starts curing molding, before molten resin in shape chamber 21 solidifies completely, control to start cylinder body 7, air is injected in the first space 73, make first piston 71 increase and compress second space 74, second piston 72 rises thereupon, treat that second space 74 is by the air feed stopped after compression toward the first space 73, start needle 3 to rise with the rising of the second piston 72, drive the retrogressing of opening and closing needle 4, cylinder valve body 41 is made to fall back in side gate 18, avoid in the molten resin approaching side cast gate 18 in shape chamber 21 and solidify, promote the convenience of the demoulding,
After the complete curing molding of molten resin in shape chamber 21, open solid plate 1 and moving platen 2, product takes out from shape chamber 21, then close solid plate 1 and moving platen 2, in the 3rd space 75, inject air, make the second piston 72 continue to rise, start needle 3 to rise with the rising of the second piston 72, until cylinder valve body 41 complete receding side cast gate 18 stops injecting air in the 3rd space 75, the injection moulding carrying out second product is sprayed, and circulates and produces.
In sum, a kind of injection mold with side gate needle that the present invention points out, volume compact, simple installation, improves production efficiency and the product quality of side gate injecting products.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (9)
1. the injection mold with side gate needle, comprise: the moving platen of solid plate and correspondence thereof, the shape chamber of plastic cement products is formed between described solid plate and moving platen, it is characterized in that, described solid plate is provided with the side nozzle fixed head that is positioned at side, shape chamber, side nozzle is provided with in described side nozzle fixed head, the main burner be connected with side nozzle is provided with in described solid plate, described side nozzle is provided with a side nozzle block, a nozzle head is provided with in described side nozzle block, an opening and closing needle is provided with in described nozzle head, described solid plate is provided with a cylinder assembly and the startup needle carrying out linking that is connected with cylinder assembly, the end of described startup needle is provided with an inclined-plane chute corresponding with opening and closing valve needle terminal end, described opening and closing valve needle terminal end extends to nozzle head outside and is provided with the slide block snapped in inclined-plane chute.
2. the injection mold with side gate needle according to claim 1, it is characterized in that, described cylinder assembly comprises and starts cylinder body and the first piston be provided at its inner portion and the second piston, be provided with in described startup cylinder body and lay respectively at below first piston and the first space of top and second space, be provided with in described startup cylinder body and lay respectively at below the second piston and the 3rd space of top and the 4th space, described startup needle top and the second piston link, and described second piston is positioned at above first piston and moves up and down with first piston.
3. the injection mold with side gate needle according to claim 1, it is characterized in that, described side nozzle fixed head side is provided with the side gate be communicated with shape chamber, the front end of described opening and closing needle is provided with the cylinder valve body corresponding with side gate, and described opening and closing needle is arranged along the axis of side gate.
4. the injection mold with side gate needle according to claim 1, it is characterized in that, described main burner is arranged along the opening and closing direction of solid plate and moving platen, described solid plate is provided with flow distribution plate, described flow distribution plate side is provided with the first hot-fluid bend be communicated with main burner, and described startup needle is connected with opening and closing needle through flow distribution plate, main burner and side nozzle successively.
5. the injection mold with side gate needle according to claim 1, is characterized in that, described startup needle and opening and closing needle perpendicular and link, described startup needle move up and down the side-to-side movement driving opening and closing needle.
6. the injection mold with side gate needle according to claim 1, it is characterized in that, be provided with tube connector between described main burner and side nozzle to be communicated with, described main burner is fixedly installed the guide finger extending to side nozzle inside, described side nozzle is provided with the guiding slide opening corresponding with guide finger.
7. the injection mold with side gate needle according to claim 1, is characterized in that, described side nozzle block is provided with a screwed hole, described nozzle head rear end cylindrical is provided with the screw thread corresponding with screwed hole and is fixed in side nozzle block.
8. the injection mold with side gate needle according to claim 1, it is characterized in that, the the second hot-fluid bend be connected with side nozzle is provided with in described side nozzle block, be provided with the molten resin passage be connected with the second hot-fluid bend in described nozzle head, described opening and closing needle front end is axially disposed within molten resin passage.
9. the injection mold with side gate needle according to claim 1, it is characterized in that, described side nozzle block rear is provided with the back-up block being positioned at and starting outside valve needle terminal end, is provided with the spacing contiguous block being positioned at and starting below valve needle terminal end between described back-up block and side nozzle block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520896978.0U CN205167420U (en) | 2015-11-12 | 2015-11-12 | Injection mold with side sprue needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520896978.0U CN205167420U (en) | 2015-11-12 | 2015-11-12 | Injection mold with side sprue needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205167420U true CN205167420U (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520896978.0U Expired - Fee Related CN205167420U (en) | 2015-11-12 | 2015-11-12 | Injection mold with side sprue needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205167420U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105235149A (en) * | 2015-11-12 | 2016-01-13 | 哈希斯热流道科技（苏州）有限公司 | Injection mould with side sprue valve needle and injection molding method |
-
2015
- 2015-11-12 CN CN201520896978.0U patent/CN205167420U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105235149A (en) * | 2015-11-12 | 2016-01-13 | 哈希斯热流道科技（苏州）有限公司 | Injection mould with side sprue valve needle and injection molding method |
| CN105235149B (en) * | 2015-11-12 | 2018-02-23 | 哈希斯热流道科技（苏州）有限公司 | A kind of method of injection mold and injection molding with side gate needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20181112 |