CN202062586U - Multi-nozzle cold runner system - Google Patents
Multi-nozzle cold runner system Download PDFInfo
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- CN202062586U CN202062586U CN2011201532318U CN201120153231U CN202062586U CN 202062586 U CN202062586 U CN 202062586U CN 2011201532318 U CN2011201532318 U CN 2011201532318U CN 201120153231 U CN201120153231 U CN 201120153231U CN 202062586 U CN202062586 U CN 202062586U
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- runner
- cooling medium
- nozzle
- cooling
- sizing material
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Abstract
A multi-nozzle cold runner system relates to the injection molding technology of rubber and comprises a runner plate, a heat-insulation plate and an electric heating plate which are arranged in sequence from top to bottom, wherein at least two crossed runners are arranged in the runner plate, and a main sprue sleeve is fastened on the runner plate at the converging part of the runners; each runner takes a rubber inlet of the runner as the symmetrical center, and at least a pair of fully-cooling flotation nozzles are arranged at two sides symmetrically; and rubber enters from the rubber inlet of the runner, and flows through a plurality of runners so as to form a plurality of strands of rubber flow which are injected into corresponding die cavities from a plurality of fully-cooling flotation nozzles. The multi-nozzle cold runner system is also provided with a cold runner system. The multi-nozzle cold runner system has the beneficial effects that the fully-cooling flotation nozzles and an optimized runner plate cooling circulation loop are adopted, and the temperature of the runner plate can be adjusted by a PID (Packet Identifier) temperature control system, the smooth rubber flow in the runner can be facilitated, and the high-temperature vulcanization of the rubber can not be generated; and the rubber in the runner can be used repeatedly, a material beating head is not needed, and the mold is easy to clean; and the multi-nozzle cold runner is suitable for various rubber injecting machines.
Description
Technical field
The utility model relates to the injection molding of rubber technology, refers to a kind of many nozzles cold runner system especially.
Background technology
Rubber (comprising silica gel) injection moulding has a wide range of applications at aspects such as producing auto parts machinery, industrial accessory, electrical insulation part, connector body, seal, beam, shockproof cover, footwear, bottle stopper, toy.Rubber (comprising silica gel) injection moulding is injected mould by injection (mo(u)lding) machine with sizing material and is realized.In the forming process of the goods of known massive article or multi-point mould,, make runner very long owing to have a plurality of glue points that advance, very complicated, after a mechanograph moulding is finished, must remove the vulcanizate of runner and nozzle the inside, the sizing material waste is serious, and cleaning mould and material thrasher are wasted time and energy.Simultaneously, for the less goods of multi-point mould, with the moulding of ordinary flat vulcanizer, goods percent defective height, overlap is thick, and product property is low, with the moulding of normal injection machine, runner waste sizing material is very serious, and the cost height has become the difficult problem of the less product molding of multi-point mould.
Summary of the invention
The utility model is intended to overcome the above-mentioned deficiency of prior art, and a kind of many nozzles cold runner system is provided.Sizing material in its runner not only had been beneficial to and has flowed but also can not take place high temperature vulcanizedly, reusable, need not material thrasher, and the cleaning mould is easy.And the utility model can solve the difficult problem of the less product molding of above-mentioned multi-point mould through expansion nozzle quantity.
For this reason, a kind of many nozzles cold runner of the utility model system adopts following technical scheme:
A kind of many nozzles cold runner of structure the utility model system, comprise the runner plate, thermal insulation board and the electric hot plate that set gradually from top to bottom, the runner of at least two right-angled intersections is set in runner plate, the position that crosses of described runner is the geometric center of runner plate, tighten main sprue bush is set at the cross runner plate at position of described runner, open system runner glue-feeder on the main sprue bush and communicate with runner in the runner plate; Each bar runner is a symmetrical centre with the runner glue-feeder, to bilateral symmetry the floating type nozzle of at least one pair of full cooling is set, sizing material enters and flows through many described runners from the runner glue-feeder and injects in the corresponding die cavity from the floating type nozzle of a plurality of described full coolings to form the multiply solation; The cold runner system also is set, and the cold runner system comprises coolant guiding channel, cooling medium inflow entrance, cooling medium flow export and temperature sensing device; Coolant guiding channel comprises many cooling medium conduits, a cooling medium closed circuit conduit and a plurality of screw plug; Each bar runner cooling medium conduit that be arranged in parallel, in addition, with the cooling medium of the floating type nozzle of each described full cooling inlet, cooling medium outlet respectively butt joint cooperate, two and cooling medium conduits that it be perpendicular to one another in angle of 45 degrees with corresponding runner also are set; Many described cooling medium conduits and described cooling medium closed circuit conduit connect into cooling medium inflow entrance, each floating type nozzle of described full cooling and cooling medium flow export in the loop of a cooling medium circulation, many described cooling medium conduit is laid in the runner plate, article one, described cooling medium closed circuit conduit is located at outside the runner plate, screw plug is installed in that end of the no connecting object of described cooling medium conduit, should hold shutoff; The adjacent cooling medium flow export of temperature sensing device is provided with; Microprocessor also is set, and microprocessor is electrically connected with the switch that temperature sensing device and control cooling medium circulate, and microprocessor is controlled the cooling medium circulation in real time by the PID temperature control system that is arranged in it, with the temperature of real-time adjusting runner plate.
Technique scheme is further set forth:
The floating type nozzle of described full cooling comprises the main body of tubulose and the nozzle of tubulose, and the upper end of main body is the sizing material inflow entrance, the lower end of the main body hollow nut that spins; Nozzle is arranged at the lower end of main body, wherein, the outer wall of the epimere of nozzle is wedge shape and is embedded in the corresponding position of main body lower end on the vertical section, the outer wall in the stage casing of nozzle is stepped and be embedded in the corresponding position of main body lower end, the hypomere of nozzle puts in described hollow nut hollow and interlocking with it, ladder on the outer wall in the upper end of described hollow nut and the stage casing of the nozzle pressure that offsets, along with the precession of described hollow nut nozzle is formed the power that compresses upwards and make nozzle upwards near; The lower end of nozzle is the sizing material flow export; The hollow passageway from the sizing material inflow entrance to the sizing material flow export, the diameter dimension that begins downward hollow passageway from the sizing material inflow entrance diminishes gradually and has the minimum position of the diameter dimension of hollow passageway at the nozzle position, downward again, the diameter dimension of its hollow passageway becomes greatly gradually, thereby forms a bell mouth shape at the sizing material flow export; Cooling device also is set, cooling device comprises the closed cavity as the passage of cooling medium, described closed cavity is for being set in the interior sky that forms in week outside the main body by tubular housing, the lower end of this closed cavity reaches the corresponding relevant position of minimum position with the diameter dimension of hollow passageway; The upper end of shell outwards protrudes out a convex edge, and this convex edge is provided with cooling medium inlet and cooling medium outlet respectively, and the cooling medium inlet is communicated with described closed cavity by the A screw plug, and the cooling medium outlet is communicated with described closed cavity by the B screw plug; Stage casing at nozzle is provided with disk spring, and the upper end and the main body of disk spring offset, and the outer wall of its lower end and nozzle offsets; Lower end at nozzle is provided with seal washer.
The termination of the runner in the runner plate is provided with stifled pin to carry out shutoff.
Sizing material inflow entrance, the sizing material flow export of the floating type nozzle of described full cooling dock runner, die cavity respectively.
The beneficial effects of the utility model are: one, the ejaculation system clamp-ons behind the runner plate multiply materials flow of div in par aeq with sizing material and injects each die cavity through the floating type nozzle of a plurality of full coolings, owing to adopted the floating type nozzle of full cooling, and the runner plate cooling circuit of optimizing, cooling line is near the Jiao Lu circulation, temperature sensing device is arranged on cooling medium flow export position, the real time temperature of surveying near the sizing material actual temperature, by the PID temperature control system, adjustable throttle road plate temperature guarantees that the sizing material in the runner not only is beneficial to mobile but also can take place high temperature vulcanized; The sizing material of runner the inside is reusable, need not material thrasher, and the cleaning mould is easy.They are two years old, the utility model can solve the difficult problem of the less product molding of multi-point mould through expansion nozzle quantity, can overcome with its goods percent defective height of ordinary flat vulcanizer moulding, overlap is thick, product property is low problem, can overcome again with its problem that runner waste sizing material is very serious, cost is high of normal injection machine moulding.Its three, be suitable for using on various types of rubber injection machines.
Description of drawings
Fig. 1 is the utility model front view;
Fig. 2 is the utility model C-C cutaway view;
Fig. 3 is the floating type nozzle schematic diagram of full cooling.
Among the figure: 1, main sprue bush; 100, runner glue-feeder; 2, runner plate; 3, stifled pin; 4, runner; 5, thermal insulation board; 6, electric hot plate; 7, cool off floating type nozzle entirely; 8, cooling medium conduit; 9, cooling medium closed circuit conduit; 10, temperature sensing device; 11, cooling medium inflow entrance; 12, cooling medium flow export; 13, screw plug; 71, cooling medium inlet; 72, cooling medium outlet, 73, main body; 74, closed cavity; 75, disk spring; 76, nozzle; 77, hollow nut; 78, seal washer; 79, shell; 791, convex edge; 80, A screw plug; 801, B screw plug; 101, sizing material inflow entrance; 102, sizing material flow export; 103, hollow passageway.
The specific embodiment
Below, introduce the specific embodiment of the present utility model in conjunction with the accompanying drawings.
As shown in Figures 1 and 2, a kind of many nozzles cold runner of the utility model system, comprise the runner plate 2, thermal insulation board 5 and the electric hot plate 6 that set gradually from top to bottom, the runner 4 of at least two right-angled intersections is set in runner plate 2, the position that crosses of described runner 4 is geometric centers of runner plate, runner plate 2 at the position that crosses of described runner 4 tightens main sprue bush 1 is set, and opens system runner glue-feeder 100 on the main sprue bush 1 and communicates with runner 4 in the runner plate 2; Each bar runner 4 is a symmetrical centre with runner glue-feeder 100, to bilateral symmetry the floating type nozzle 7 of at least one pair of full cooling is set, sizing material enters and flows through many described runners 4 from runner glue-feeder 100 and injects in the corresponding die cavity from the floating type nozzle 7 of a plurality of described full coolings to form the multiply solation; The cold runner system also is set, and the cold runner system comprises coolant guiding channel, cooling medium inflow entrance 11, cooling medium flow export 12 and temperature sensing device 10; Coolant guiding channel comprises many cooling medium conduits 8, a cooling medium closed circuit conduit 9 and an a plurality of screw plug 13; Each bar runner 4 cooling medium conduit 8 that be arranged in parallel, in addition, with the cooling medium of the floating type nozzle 7 of each described full cooling inlet 71, cooling medium outlet 72 respectively butt joint cooperate, two and cooling medium conduits 8 that it be perpendicular to one another in angle of 45 degrees with corresponding runner 4 also are set; Many described cooling medium conduits 8 and described cooling medium closed circuit conduit 9 connect into cooling medium inflow entrance 11, the floating type nozzle 7 of each described full cooling and cooling medium flow export 12 in the loop of a cooling medium circulation, many described cooling medium conduit 8 is laid in the runner plate 2, article one, described cooling medium closed circuit conduit 9 is located at outside the runner plate 2, screw plug 13 is installed in that end of the no connecting object of described cooling medium conduit 8, should hold shutoff; Temperature sensing device 10 adjacent cooling medium flow exports 12 are provided with; Microprocessor also is set, and microprocessor is electrically connected with the switch that temperature sensing device 10 and control cooling medium circulate, and microprocessor is controlled the cooling medium circulation in real time by the PID temperature control system that is arranged in it, with the temperature of real-time adjusting runner plate 2.
As shown in Figure 3, the floating type nozzle of described full cooling comprises the main body 73 of tubulose and the nozzle 76 of tubulose, and the upper end of main body 73 is a sizing material inflow entrance 101, the lower end of main body 73 hollow nut 77 that spins; Nozzle 76 is arranged at the lower end of main body 73, wherein, the outer wall of the epimere of nozzle 76 is wedge shape and is embedded in the corresponding position of main body 73 lower ends on the vertical section, the outer wall in the stage casing of nozzle 76 is stepped and be embedded in the corresponding position of main body 73 lower ends, the hypomere of nozzle 76 puts in described hollow nut 77 hollow and interlocking with it, ladder on the outer wall in the stage casing of the upper end of described hollow nut 77 and nozzle 76 pressure that offsets, along with the precession of described hollow nut 77 nozzle 76 is formed the power that compresses upwards and make nozzle 76 upwards near; The lower end of nozzle 76 is a sizing material flow export 102; The hollow passageway 103 from sizing material inflow entrance 101 to sizing material flow export 102, diminish gradually and have the minimum position of the diameter dimension of hollow passageway 103 at nozzle 76 positions from the diameter dimension of the downward hollow passageway 103 of sizing material inflow entrance 101 beginning, downward again, the diameter dimension of its hollow passageway 103 becomes greatly gradually, thereby forms a bell mouth shape at sizing material flow export 102; Cooling device also is set, cooling device comprises the closed cavity 74 as the passage of cooling medium, described closed cavity 74 is for being set in the interior sky that forms in week outside the main body 73 by tubular housing 79, the lower end of this closed cavity 74 reaches the corresponding relevant position of minimum position with the diameter dimension of hollow passageway 103; The upper end of shell 79 outwards protrudes out a convex edge 791, this convex edge 791 is provided with cooling medium inlet 71 and cooling medium outlet 72 respectively, cooling medium inlet 71 is communicated with described closed cavity 74 by A screw plug 80, and cooling medium outlet 72 is communicated with described closed cavity 74 by B screw plug 801; In the stage casing of nozzle 76 disk spring 75 is set, the upper end of disk spring 75 and main body 76 offset, and the outer wall of its lower end and nozzle 76 offsets; Lower end at nozzle 76 is provided with seal washer 78.
The termination of the runner 4 in the runner plate 2 is provided with blocks up pin 3 to carry out shutoff.
Sizing material inflow entrance 101, the sizing material flow export 102 of the floating type nozzle 7 of described full cooling dock runner 4, die cavity respectively.
The above only is preferred embodiment of the present utility model, is not that technical scope of the present utility model is imposed any restrictions.The technical staff of the industry, under the inspiration of the technical program, can make some distortion and revise, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model above any modification, equivalent variations and modification that embodiment did.
Claims (4)
1. the system of nozzle cold runner more than a kind, comprise the runner plate, thermal insulation board and the electric hot plate that set gradually from top to bottom, the runner of at least two right-angled intersections is set in runner plate, the position that crosses of described runner is the geometric center of runner plate, tighten main sprue bush is set at the cross runner plate at position of described runner, open system runner glue-feeder on the main sprue bush and communicate with runner in the runner plate; It is characterized in that: each bar runner is a symmetrical centre with the runner glue-feeder, to bilateral symmetry the floating type nozzle of at least one pair of full cooling is set, sizing material enters and flows through many described runners from the runner glue-feeder and injects in the corresponding die cavity from the floating type nozzle of a plurality of described full coolings to form the multiply solation; The cold runner system also is set, and the cold runner system comprises coolant guiding channel, cooling medium inflow entrance, cooling medium flow export and temperature sensing device; Coolant guiding channel comprises many cooling medium conduits, a cooling medium closed circuit conduit and a plurality of screw plug; Each bar runner cooling medium conduit that be arranged in parallel, in addition, with the cooling medium of the floating type nozzle of each described full cooling inlet, cooling medium outlet respectively butt joint cooperate, two and cooling medium conduits that it be perpendicular to one another in angle of 45 degrees with corresponding runner also are set; Many described cooling medium conduits and described cooling medium closed circuit conduit connect into cooling medium inflow entrance, each floating type nozzle of described full cooling and cooling medium flow export in the loop of a cooling medium circulation, many described cooling medium conduit is laid in the runner plate, article one, described cooling medium closed circuit conduit is located at outside the runner plate, screw plug is installed in that end of the no connecting object of described cooling medium conduit, should hold shutoff; The adjacent cooling medium flow export of temperature sensing device is provided with; Microprocessor also is set, and microprocessor is electrically connected with the switch that temperature sensing device and control cooling medium circulate.
2. a kind of many nozzles cold runner according to claim 1 system is characterized in that: the floating type nozzle of described full cooling, comprise the main body of tubulose and the nozzle of tubulose, and the upper end of main body is the sizing material inflow entrance, the lower end of the main body hollow nut that spins; Nozzle is arranged at the lower end of main body, wherein, the outer wall of the epimere of nozzle is wedge shape and is embedded in the corresponding position of main body lower end on the vertical section, the outer wall in the stage casing of nozzle is stepped and be embedded in the corresponding position of main body lower end, the hypomere of nozzle puts in described hollow nut hollow and interlocking with it, ladder on the outer wall in the upper end of described hollow nut and the stage casing of the nozzle pressure that offsets, along with the precession of described hollow nut nozzle is formed the power that compresses upwards and make nozzle upwards near; The lower end of nozzle is the sizing material flow export; The hollow passageway from the sizing material inflow entrance to the sizing material flow export, the diameter dimension that begins downward hollow passageway from the sizing material inflow entrance diminishes gradually and has the minimum position of the diameter dimension of hollow passageway at the nozzle position, downward again, the diameter dimension of its hollow passageway becomes greatly gradually, thereby forms a bell mouth shape at the sizing material flow export; Cooling device also is set, cooling device comprises the closed cavity as the passage of cooling medium, described closed cavity is for being set in the interior sky that forms in week outside the main body by tubular housing, the lower end of this closed cavity reaches the corresponding relevant position of minimum position with the diameter dimension of hollow passageway; The upper end of shell outwards protrudes out a convex edge, and this convex edge is provided with cooling medium inlet and cooling medium outlet respectively, and the cooling medium inlet is communicated with described closed cavity by the A screw plug, and the cooling medium outlet is communicated with described closed cavity by the B screw plug; Stage casing at nozzle is provided with disk spring, and the upper end and the main body of disk spring offset, and the outer wall of its lower end and nozzle offsets; Lower end at nozzle is provided with seal washer.
3. a kind of many nozzles cold runner according to claim 1 system, it is characterized in that: the termination of the runner in the runner plate is provided with stifled pin to carry out shutoff.
4. a kind of many nozzles cold runner according to claim 2 system is characterized in that: the sizing material inflow entrance butt joint runner of the floating type nozzle of described full cooling, the sizing material flow export butt joint die cavity of the floating type nozzle of described full cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201532318U CN202062586U (en) | 2011-05-16 | 2011-05-16 | Multi-nozzle cold runner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201532318U CN202062586U (en) | 2011-05-16 | 2011-05-16 | Multi-nozzle cold runner system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202062586U true CN202062586U (en) | 2011-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201532318U Expired - Fee Related CN202062586U (en) | 2011-05-16 | 2011-05-16 | Multi-nozzle cold runner system |
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| Country | Link |
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| CN (1) | CN202062586U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990853A (en) * | 2012-09-29 | 2013-03-27 | 东莞劲胜精密组件股份有限公司 | Silica gel cold runner injection nozzle and cooling water channel structure thereof |
| CN103203830A (en) * | 2013-04-17 | 2013-07-17 | 宁国市海天力工业发展有限公司 | Circular moulding device of rubber diaphragms for automobile brake chambers |
| CN108943604A (en) * | 2018-08-10 | 2018-12-07 | 苏州品翔电通有限公司 | Molding die suitable for thermosetting material |
| CN109397631A (en) * | 2018-11-02 | 2019-03-01 | 宁波千普机械制造有限公司 | A kind of rubber cold runner mold |
| CN117507267A (en) * | 2024-01-02 | 2024-02-06 | 昆山德玛格注塑技术有限公司 | High-temperature hot runner system |
-
2011
- 2011-05-16 CN CN2011201532318U patent/CN202062586U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990853A (en) * | 2012-09-29 | 2013-03-27 | 东莞劲胜精密组件股份有限公司 | Silica gel cold runner injection nozzle and cooling water channel structure thereof |
| CN103203830A (en) * | 2013-04-17 | 2013-07-17 | 宁国市海天力工业发展有限公司 | Circular moulding device of rubber diaphragms for automobile brake chambers |
| CN108943604A (en) * | 2018-08-10 | 2018-12-07 | 苏州品翔电通有限公司 | Molding die suitable for thermosetting material |
| CN109397631A (en) * | 2018-11-02 | 2019-03-01 | 宁波千普机械制造有限公司 | A kind of rubber cold runner mold |
| CN117507267A (en) * | 2024-01-02 | 2024-02-06 | 昆山德玛格注塑技术有限公司 | High-temperature hot runner system |
| CN117507267B (en) * | 2024-01-02 | 2024-04-05 | 昆山德玛格注塑技术有限公司 | High-temperature hot runner system |
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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 |
Granted publication date: 20111207 Termination date: 20160516 |
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| CF01 | Termination of patent right due to non-payment of annual fee |