CN208497563U - A kind of hot runner system of mold - Google Patents
A kind of hot runner system of mold Download PDFInfo
- Publication number
- CN208497563U CN208497563U CN201820573270.5U CN201820573270U CN208497563U CN 208497563 U CN208497563 U CN 208497563U CN 201820573270 U CN201820573270 U CN 201820573270U CN 208497563 U CN208497563 U CN 208497563U
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- Prior art keywords
- heat
- seat
- forming cavity
- main body
- heating
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Abstract
The utility model discloses a kind of hot runner system of mold, including die main body, die main body is internally provided with forming cavity, forming cavity bottom is provided with multipoint heating mechanism, combination conduction mechanism is provided at the top of forming cavity, multipoint heating mechanism includes heated seats, heated seats two sides are mounted on heat-conducting seat, heat-conducting seat top is connected with several hollow copper posts, hollow copper post is internally provided with graphene column, graphene column is connect by helix tube with heat-conducting seat bottom end, heated seats top is connected with several electric heating columns, hollow copper top end is connected with conduction block, conduction block end is connected with discharging set, combining conduction mechanism includes the feeding cylinder for being mounted on die main body top, feeding cylinder two sides are respectively connected with branch's groove seat, material is discharged into batches by combination conduction mechanism, convenient for controlling the material amount of being discharged into, and utilize multipoint heating mechanism point Other indirect heating realizes heating comprehensively, prevents local solidification, improve injection molding quality.
Description
Technical field
The utility model relates to technical field of mold, specially a kind of hot runner system of mold.
Background technique
Mold be in industrial production to be molded, be blow molded, squeeze out, die casting or the methods of forging and forming, smelting, punching press obtain
The various moulds and tool of required product, in brief, mold are the tools for making formed article, and this tool is by various
Part is constituted, and different molds is made of different parts, and under external force becoming blank has specific shape and size
The tool of product, be widely used in punching, die forging, cold-heading, extruding, metallic sintered products compacting, compression casting and engineering plastics,
In the forming of compression moulding or the injection molding of the products such as rubber, ceramics, mold has specific profile or cavity shape, using having
The chamfered shape of cutting edge can make blank that separation (punching) occur by profile wire shaped, blank can be made to obtain phase using cavity shape
The three-dimensional shape answered, mold is precision instrument, complex-shaped, bears the expansive force of blank, to structural strength, rigidity, surface hardness,
Surface roughness and machining accuracy all have higher requirements, mold production development level be machine-building level important symbol it
One.
Hot flow path is to guarantee that the plastics of runner and cast gate are kept molten by by the method for heating, hot runner system one
As be made of several parts such as hot nozzle, flow distribution plate, temperature control box and attachment, hot nozzle generally comprises two kinds: open hot nozzle and
Needle valve type hot nozzle since hot nozzle form directly determines that hot runner system selects the manufacture with mold, thus often accordingly will
Hot runner system is divided into open hot runner system and needle valve type hot runner system.
But existing mold hot runner system is primarily present following defect:
(1) general mold hot runner system is all directly to high-volume when heating to the fused materials of addition
Material directly heat, be not only not easy to control heating temperature, but also be not easy to realize comprehensive heating, be easy to produce local coagulation
Situation；
(2) simultaneously when material enters mold, typically single channel is unfavorable for controlling the amount of material, and
It not can be carried out comprehensive heating, influence the shaping speed of whole heating speed and material.
Summary of the invention
In order to overcome the shortcomings of prior art, the utility model provides a kind of hot runner system of mold, passes through group
It closes conduction mechanism to be discharged into material in batches, convenient for controlling the material amount of being discharged into, and distinguishes indirect heating using multipoint heating mechanism,
It realizes heating comprehensively, prevents local solidification, improve injection molding quality, can effectively solve the problem of background technique proposes.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of hot runner system of mold, including die main body, the die main body are internally provided with forming cavity, it is described at
Cavity bottom is provided with multipoint heating mechanism, is provided with combination conduction mechanism at the top of the forming cavity；
The multipoint heating mechanism includes that the heated seats of forming cavity bottom are arranged in, and the heated seats two sides, which are mounted on, leads
Hot seat, the heat-conducting seat top are connected with several hollow copper posts, and the hollow copper post is internally provided with graphene column, the stone
Black alkene column is connect by helix tube with heat-conducting seat bottom end, and the heated seats top is connected with several electric heating columns, and the electricity adds
Plume is connect by being bent copper bar with helix tube, and the hollow copper top end is connected with conduction block, the conduction block end connection
There is discharging set, the combination conduction mechanism includes the feeding cylinder for being mounted on die main body top, and the feeding cylinder two sides are all connected with
There is branch's groove seat, branch's groove seat end is connected with hollow metal seat, and the conduction block is connect by seal receptacle with hollow metal seat.
Further, branch's groove seat inner wall is provided with deflector, is provided with adding thermal resistance between adjacent deflector,
And deflector is internally provided with aerogel blanket heat insulating mattress, the baffle surface is provided with arc-shaped pad.
Further, the heated seats are internally provided with heat accumulator, and the heat accumulator passes through the branch of branched pipe and two sides
Groove seat connection, the heat accumulator top are provided with heat-conducting silicone grease, and the heat-conducting silicone grease top is connected with by several copper sheets leads
Heating pad.
Further, polyurethane foam insulation pad is provided with outside the heat accumulator, in the polyurethane foam insulation pad
Portion is vacuum structure.
Compared with prior art, the utility model has the beneficial effects that
(1) the utility model is connected with multiple conduction blocks using branch's groove seat of combination conduction mechanism and arranges material in batches
Enter, improve charging rate, convenient for controlling the amount of being discharged into of material, improves injection molding quality；
(2) the utility model is realized and is added comprehensively using multipoint heating mechanism to the material progress being discharged into individually heating in batches
While hot, heating efficiency is improved, effectively prevent the case where local solidification occur, is added by way of conducting indirectly
Heat improves whole Forming Quality convenient for control heating temperature.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is branch's groove seat cross section structure schematic diagram of the utility model.
Figure label:
1- die main body；2- forming cavity；3- multipoint heating mechanism；4- combines conduction mechanism；5- heat accumulator；6- thermal conductive silicon
Rouge；7- copper sheet；8- chill bar；9- polyurethane foam insulation pad；
301- heated seats；302- heat-conducting seat；303- helix tube；The hollow copper post of 304-；305- graphene column；306- electricity adds
Plume；307- is bent copper bar；308- conduction block；309- discharging set；
401- feeding cylinder；402- branch groove seat；403- hollow metal seat；404- seal receptacle；405- deflector；406- heating
Resistance；407- aerogel blanket heat insulating mattress；408- arc-shaped pad.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As depicted in figs. 1 and 2, the hot runner system that the utility model provides a mold, including die main body 1, institute
It states die main body 1 and is internally provided with forming cavity 2,2 bottom of forming cavity is provided with multipoint heating mechanism 3, and the forming cavity 2 pushes up
Portion is provided with combination conduction mechanism 4, which will be melted when die main body 1 is molded by combination conduction mechanism 4
Material import inside forming cavity 2 and formed in batches so that the amount that material pours into is more accurate, and to pouring into each time
Fused materials are heated, and are allowed the material poured into carry out comprehensive heating and thermal insulation, are prevented local material from condensing, and are improved
It is molded quality, convenient for the injection molding of mold, while multi-point combination is carried out to the material poured into using multipoint heating mechanism 3 and is added
Heat improves the Forming Quality of mold so that material remains stable molten condition during entering forming cavity 2.
The multipoint heating mechanism 3 includes that the heated seats 301 of 2 bottom of forming cavity, 301 two sides of heated seats are arranged in
It is mounted on heat-conducting seat 302,302 top of heat-conducting seat is connected with several hollow copper posts 304, in the hollow copper post 304
Portion is provided with graphene column 305, and the graphene column 305 is connect by helix tube 303 with 302 bottom end of heat-conducting seat, the heating
301 tops of seat are connected with several electric heating columns 306, and the electric heating column 306 is connected by bending copper bar 307 and helix tube 303
It connects, is heated first by the electric heating column 306 inside heated seats 301, it is curved that electric heating column 306 adds thermogenetic heat to pass through
Bent copper bar 307 is transferred to helix tube 303, later the graphene column 305 of heat transmission to top, so that heat is from heated seats 301
It is transferred to inside the hollow copper post 304 on 302 top of heat-conducting seat, thus realize that stablizing for heat is transmitted, it, can relative to directly heating
To effectively improve whole heating accuracy, it is easy to implement the temperature control of heating.
304 top of hollow copper post is connected with conduction block 308, and 308 end of conduction block is connected with discharging set 309,
To conduction block 308, the effect into the material inside conduction block 308 in heat is kept heat transmission inside hollow copper post 304
Molten condition is not easy to condense, and exits into the mold cavity 2 inside die main body 1 eventually by the discharging set 309 of end
Portion carries out injection molding.
It further illustrates, the combination conduction mechanism 4 includes the feeding cylinder 401 for being mounted on 1 top of die main body, institute
It states 401 two sides of feeding cylinder and is respectively connected with branch's groove seat 402,402 end of branch's groove seat is connected with hollow metal seat 403, described to lead
Logical seat 308 is connect by seal receptacle 404 with hollow metal seat 403, while external fused materials pass through 401 row of feeding cylinder first
Enter inside die main body 1, be discharged to inside hollow metal seat 403 along branch's groove seat 402 later, and conduction block 308 and sky
Heart metal pedestal 403 connects, and the material inside hollow metal seat 403 enters directly into inside conduction block 308, in material transferring
When, the case where preventing material from leaking by the sealing function of seal receptacle 404.
402 inner wall of branch's groove seat is provided with deflector 405, is provided with adding thermal resistance between adjacent deflector 405
406, and deflector 405 is internally provided with aerogel blanket heat insulating mattress 407,405 surface of deflector is provided with arc-shaped pad 408,
The case where passing rapidly through under the action of deflector 405 by the material that branch's groove seat 402 enters simultaneously, be less prone to delay,
And directly heated using adding thermal resistance 406, be conducive to the temperature for keeping material, while the airsetting inside deflector 405
Rubber mat heat insulating mattress 407 plays good heat-blocking action, reduces the absorption of heat, to improve material to the utilization rate of heat, arc
The diversion effect of deflector 405 can be improved in the setting of shape pad 408, and material is flowed fast through.
It should be added that the heated seats 301 are internally provided with heat accumulator 5, the heat accumulator 5 passes through branch
Pipe is connect with branch's groove seat 402 of two sides, and 5 top of heat accumulator is provided with heat-conducting silicone grease 6, and 6 top of heat-conducting silicone grease is logical
It crosses several copper sheets 7 and is connected with chill bar 8, while after the heating of adding thermal resistance 406 inside branch's groove seat 402, working as object
Material is drained into completely inside forming cavity 2, and meeting residual fraction heat, passes through the coolant liquid inside branched pipe inside branch's groove seat 402
It absorbs heat and is transferred to the inside of heat accumulator 5 (heat inside branch's groove seat 402 [is not marked by the Heat Conduction Material on surface in figure
It is absorbed, is acted on using thermal convection out], circulation heat exchange is carried out by the coolant liquid inside branched pipe later, is passed through simultaneously
The conducting of corresponding valve control branched pipe, i.e., the heat transfer process of controllable branched pipe), pass through heat-conducting silicone grease 6, copper sheet later
7 and chill bar 8 the action transport of transmitting layer by layer to 2 bottom of forming cavity, using residual heat to the material inside forming cavity 2 into
Row heating, convenient for the injection molding of material.
It is heated simultaneously by collecting amount of residual heat, improves whole heating efficiency, reduce the waste of thermal energy.
It is provided with polyurethane foam insulation pad 9 outside the heat accumulator 5, is true inside the polyurethane foam insulation pad 9
Hollow structure, and when the utilization collection heat of heat accumulator 5, it is played well by the polyurethane foam insulation pad 9 of vacuum structure
Heat-blocking action, can effectively improve the utilization efficiency of heat, heat prevented to be lost in vain.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (4)
1. a kind of hot runner system of mold, it is characterised in that: including die main body (1), setting inside the die main body (1)
Have forming cavity (2), forming cavity (2) bottom is provided with multipoint heating mechanism (3), is provided with group at the top of the forming cavity (2)
It closes conduction mechanism (4)；
The multipoint heating mechanism (3) includes heated seats (301) of the setting in forming cavity (2) bottom, the heated seats (301) two
Side is mounted on heat-conducting seat (302), and heat-conducting seat (302) top is connected with several hollow copper posts (304), the hollow copper
Column (304) is internally provided with graphene column (305), and the graphene column (305) passes through helix tube (303) and heat-conducting seat (302)
Bottom end connection, heated seats (301) top are connected with several electric heating columns (306), and the electric heating column (306) passes through curved
Bent copper bar (307) connect with helix tube (303), and hollow copper post (304) top is connected with conduction block (308), the conducting
Seat (308) end be connected with discharging set (309), it is described combination conduction mechanism (4) include be mounted on die main body (1) top into
Barrel (401), feeding cylinder (401) two sides are respectively connected with branch's groove seat (402), and the connection of branch's groove seat (402) end is free
Heart metal pedestal (403), the conduction block (308) are connect by seal receptacle (404) with hollow metal seat (403).
2. a kind of hot runner system of mold according to claim 1, it is characterised in that: in branch's groove seat (402)
Wall is provided with deflector (405), is provided between adjacent deflector (405) adding thermal resistance (406), and in deflector (405)
Portion is provided with aerogel blanket heat insulating mattress (407), and deflector (405) surface is provided with arc-shaped pad (408).
3. a kind of hot runner system of mold according to claim 1, it is characterised in that: the heated seats (301) are internal
It is provided with heat accumulator (5), the heat accumulator (5) is connected by branch's groove seat (402) of branched pipe and two sides, the heat accumulator
(5) top is provided with heat-conducting silicone grease (6), and heat-conducting silicone grease (6) top is connected with chill bar by several copper sheets (7)
(8)。
4. a kind of hot runner system of mold according to claim 3, it is characterised in that: set outside the heat accumulator (5)
It is equipped with polyurethane foam insulation pad (9), is vacuum structure inside the polyurethane foam insulation pad (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820573270.5U CN208497563U (en) | 2018-04-21 | 2018-04-21 | A kind of hot runner system of mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820573270.5U CN208497563U (en) | 2018-04-21 | 2018-04-21 | A kind of hot runner system of mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208497563U true CN208497563U (en) | 2019-02-15 |
Family
ID=65297760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820573270.5U Expired - Fee Related CN208497563U (en) | 2018-04-21 | 2018-04-21 | A kind of hot runner system of mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208497563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253825A (en) * | 2019-05-13 | 2019-09-20 | 福建新永发塑胶模具有限公司 | A kind of IMD pad pasting high-precision modeling method and device |
-
2018
- 2018-04-21 CN CN201820573270.5U patent/CN208497563U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253825A (en) * | 2019-05-13 | 2019-09-20 | 福建新永发塑胶模具有限公司 | A kind of IMD pad pasting high-precision modeling method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190215 |