CN109397631A - A kind of rubber cold runner mold - Google Patents
A kind of rubber cold runner mold Download PDFInfo
- Publication number
- CN109397631A CN109397631A CN201811300236.1A CN201811300236A CN109397631A CN 109397631 A CN109397631 A CN 109397631A CN 201811300236 A CN201811300236 A CN 201811300236A CN 109397631 A CN109397631 A CN 109397631A
- Authority
- CN
- China
- Prior art keywords
- runner
- sizing material
- nozzle
- flow channel
- rubber
- 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
- 239000010410 layer Substances 0.000 claims abstract description 69
- 239000000463 material Substances 0.000 claims abstract description 65
- 238000004513 sizing Methods 0.000 claims abstract description 50
- 238000001816 cooling Methods 0.000 claims abstract description 34
- 239000011229 interlayer Substances 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims description 29
- 239000007921 spray Substances 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 229920001187 thermosetting polymer Polymers 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000004073 vulcanization Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000009466 transformation Effects 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
Abstract
The invention discloses a kind of rubber cold runner molds, including a module, one or more runner cooling layer, sizing material flow channel layer and nozzle cooling layer is distributed in the inside of module from top to down, the top surface of module is equipped with a sizing material feeding inlet, bottom surface is provided with several nozzles, the rubber raw materials to be processed injected from sizing material feeding inlet inject product mold after the shunting of sizing material flow channel layer, from nozzle；The advantage is that: 1 runner cooling layer, sizing material flow channel layer and the setting of nozzle cooling layer integral type are in the module, it is compact-sized, it arranges rationally, to cool down the rubber mass of the rubber mass in module and in nozzle, it is not that thermosetting phenomenon occurs, so that material head obtains utilization again；2 is different from split-type design, do not have interlayer gap, would not also generate rubber burrs, will not unilateral unbalance stress, product quality can be promoted.
Description
Technical field
The present invention relates to one kind molds used in rubber parts injection field；Specifically a kind of cold and hot road mold of rubber.
Background technique
Rubber is heat cured material, can generate vulcanization at 150 ~ 160 degree or so, that is to say, that temperature control is bad
If, the material head generated in injection process can become waste material, and saving and re-using material head in other words is the important class in this field
Topic；So engineer comes up with cold runner technique, rubber glue in runner and cast gate is controlled by certain medium (usually oily)
The temperature of material makes it remain at curing temperature before entering die cavity hereinafter, not only having had good plasticity but also will not cause
Vulcanization, in article removal, the sizing material in sprue and runner is still stayed in mold, is then infused again when injecting next time
Progressive die is intracavitary to become product, realizes the purpose for saving robber materials and the energy.
In existing technique, heating, injection and cooling are all to have different molds to complete, and when work, several modules were folded
Add, the processing is simple for this structure, be easy exchange, small lot production when have cost advantage, but joint be easy to produce it is winged
Side makes waste of material, and the disassembly period shortens, and is easy to produce unilateral pressure oscillation, so that the local density of workpiece changes, shadow
Ring product quality.
Summary of the invention
Rubber is heat cured material, can generate vulcanization at 150 ~ 160 degree or so, that is to say, that temperature control is bad
If, the material head generated in injection process can become waste material, and saving and re-using material head in other words is the important class in this field
Topic；So engineer comes up with cold runner technique, rubber glue in runner and cast gate is controlled by certain medium (usually oily)
The temperature of material makes it remain at curing temperature before entering die cavity hereinafter, not only having had good plasticity but also will not cause
Vulcanization, in article removal, the sizing material in sprue and runner is still stayed in mold, is then infused again when injecting next time
Progressive die is intracavitary to become product, realizes the purpose for saving robber materials and the energy.
In existing technique, heating, injection and cooling are all to have different molds to complete, and when work, several modules were folded
Add, the processing is simple for this structure, be easy exchange, small lot production when have cost advantage, but joint be easy to produce it is winged
Side makes waste of material, and the disassembly period shortens, and is easy to produce unilateral pressure oscillation, so that the local density of workpiece changes, shadow
Ring product quality.
Summary of the invention
The present invention is suitable for producing in enormous quantities in view of the shortcomings of the prior art, providing, and material is reused, respectively to stress
Uniformly, the cold and hot road mold of a kind of rubber of integral type.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals: a kind of rubber cold runner mould
One or more runner cooling layer, sizing material flow channel layer is distributed in tool, including a module, the inside of the module from top to down
It is equipped with a sizing material feeding inlet with the top surface of nozzle cooling layer, the module, bottom surface is provided with several nozzles, from the sizing material
The rubber raw materials to be processed of feeding inlet injection inject product mold after sizing material flow channel layer shunting, from the nozzle；Institute
Top or interlayer that runner cooling layer is located at the sizing material flow channel layer are stated, to the sizing material feeding inlet and the sizing material flow channel layer
Rubber mass is cooled down, and the nozzle cooling layer is located at interlayer or the lower section of the sizing material flow channel layer, to the nozzle and described
The rubber mass of sizing material flow channel layer is cooled down.
The nozzle cooling layer includes that several nozzles indulge runner and several nozzles crossing current road, right-angled intersection layout, the spray
Mouth is indulged two one group of runner and is split in the two sides of nozzle.
The runner cooling layer includes two main oil plant runners and oil plant runner, the two column are laid out several times.
The sizing material flow channel layer includes main glue runner and several secondary glue runners, the secondary glue runner connect two and
Above nozzle, two secondary fluid courses intersect to form a joint, and the main glue runner is connected to all joints, and with institute
Sizing material feeding inlet is stated to communicate.
The sizing material flow channel layer includes the main layer and sublevel to connect, and the main glue runner is arranged on the main layer, institute
Time glue runner is stated to be arranged on the sublevel.
The secondary glue runner, the main glue runner, the main oil plant runner, oil plant reflux road, the vertical stream of the nozzle
Road and nozzle crossing current road are machined holes, and open end may be provided with stifled stick outwardly.
The nozzle includes housing, inner sleeve, spray head, column cap and disk spring, and the disk spring is arranged in the spray head
Between the column cap, the outer peripheral surface of the column cap is provided with double thread cooling duct.
Compared with prior art, the present invention having the following beneficial effects: that 1 runner cooling layer, sizing material flow channel layer and nozzle are cold
But the setting of layer integral type is in the module, compact-sized, arranges rationally, to cool down the rubber mass in module and in nozzle, no
It causes in thermosetting phenomenon occurs, so that material head obtains utilization again；2 is different from split-type design, do not have interlayer gap, also just not
Rubber burrs can be generated, unilateral unbalance stress phenomenon will not be generated, product quality can be promoted；3 each phase uniform forces, can be with one
Multiple nozzles are arranged in mould, improve production efficiency.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the embodiment of the present invention.
Fig. 2 is the whole diagrammatic cross-section of the embodiment of the present invention.
Fig. 3 is the nozzle section schematic diagram of the embodiment of the present invention.
Fig. 4 is that the structure of the nozzle cooling layer of the embodiment of the present invention shows figure.
Fig. 5 is that the structure of the runner cooling layer of the embodiment of the present invention shows figure.
Fig. 6 is that the structure of the main layer of the sizing material flow channel layer of the embodiment of the present invention one shows figure.
Fig. 7 is that the structure of the sublevel of the sizing material flow channel layer of the embodiment of the present invention one shows figure.
Fig. 8 is that the structure of the sizing material flow channel layer of the embodiment of the present invention two shows figure.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing: as shown in figures 1-8, mark is such as
Under: runner cooling layer 1, secondary oil plant runner 12, sizing material flow channel layer 2, main glue runner 21, secondary glue runner 22, is handed over main oil plant runner 11
Meeting point 23, main layer 24, sublevel 25, nozzle cooling layer 3, nozzle indulge runner 31, nozzle crossing current road 32, sizing material feeding inlet 4, nozzle 5,
Housing 51, inner sleeve 52, spray head 53, column cap 54, disk spring 55, double thread cooling duct 56.
A kind of rubber cold runner mold includes a module, and one or more stream is distributed in the inside of module from top to down
The top surface of road cooling layer 1, sizing material flow channel layer 2 and nozzle cooling layer 3, module is equipped with a sizing material feeding inlet 4, and bottom surface is provided with more
A nozzle 5, the rubber raw materials to be processed injected from sizing material feeding inlet inject product mould after the shunting of sizing material flow channel layer, from nozzle
Tool；Runner cooling layer is located between the top or the cooling layer interlayer of runner of sizing material flow channel layer, to sizing material feeding inlet and sizing material flow channel layer
Rubber mass cooled down, nozzle cooling layer is located at interlayer or the lower section of sizing material flow channel layer, to the rubber of nozzle and sizing material flow channel layer
Sizing material is cooled down.
Nozzle cooling layer includes that multiple nozzles indulge runner 31 and multiple nozzles crossing current road 32, right-angled intersection layout, and nozzle is indulged
Two one group of runner splits in the two sides of nozzle；Runner cooling layer includes two main oil plant runners 11 and four oil plant runners
12, the two column layout.
Secondary glue runner, main glue runner, main oil plant runner, oil plant reflux road, nozzle indulge runner and nozzle crossing current road is
Machined holes, open end may be provided with stifled stick outwardly.
Nozzle includes housing 51, inner sleeve 52, spray head 53, column cap 54 and disk spring 55, disk spring setting in spray head and
Between column cap, the outer peripheral surface of column cap is provided with double thread cooling duct 56.
As shown in figure 8, the structure chart of example one: sizing material flow channel layer includes a main glue runner 21 and several secondary glue runners
22, secondary glue runner connects two or more nozzles, and two secondary fluid courses intersect to form a joint, and main glue runner connection is all
Joint 23, and communicated with sizing material feeding inlet.
As shown in Figure 6 and Figure 7, the structure chart of example two: sizing material flow channel layer includes the main layer 24 and sublevel 25 to connect, main
Glue runner is arranged on main layer, and secondary glue runner is arranged on sublevel, and secondary glue runner connects two or more nozzles, two streams
Road intersects to form a joint.
Example one is suitable for common rubber mass, and example two is suitable for the high rubber mass of mobility；Certainly, above is this
The representative instance of invention, in addition to this, the present invention can also have other a variety of specific embodiments, all to use equivalent replacement or wait
The technical solution that effect transformation is formed, all falls within the scope of protection of present invention.
Claims (7)
1. a kind of rubber cold runner mold, it is characterised in that: including a module, the inside of the module is distributed with from top to down
The top surface of one or more runner cooling layer (1), sizing material flow channel layer (2) and nozzle cooling layer (3), the module is equipped with one
Sizing material feeding inlet (4), bottom surface are provided with several nozzles (5), the rubber raw materials to be processed warp injected from the sizing material feeding inlet
After crossing the sizing material flow channel layer shunting, product mold is injected from the nozzle；The runner cooling layer is located at the sizing material runner
The top of layer, cools down the rubber mass in the sizing material feeding inlet and the sizing material flow channel layer, nozzle cooling layer position
In the interlayer of the sizing material flow channel layer, the rubber mass of the nozzle and the sizing material flow channel layer is cooled down.
2. a kind of rubber cold runner mold as described in claim 1, it is characterised in that: the nozzle cooling layer includes several sprays
Mouth indulges runner (31) and several nozzles crossing current road (32), right-angled intersection layout, and the nozzle, which is indulged two one group of runner and split, to be sprayed
The two sides of mouth.
3. a kind of rubber cold runner mold as claimed in claim 2, it is characterised in that: the runner cooling layer includes two masters
Oil plant runner (11) and several times oil plant runner (12), the two column layout.
4. a kind of rubber cold runner mold as claimed in claim 3, it is characterised in that: the sizing material flow channel layer includes a master
Glue runner (21) and several secondary glue runners (22), the secondary glue runner connect two or more nozzles, and two secondary fluid courses are handed over
For fork-shaped at a joint, the main glue runner is connected to all joints (23), and communicates with the sizing material feeding inlet.
5. a kind of rubber cold runner mold as claimed in claim 4, it is characterised in that: the sizing material flow channel layer includes connecting
Main layer (24) and sublevel (25), the main glue runner is arranged on the main layer, and the secondary glue runner is arranged in the sublevel
On.
6. such as a kind of rubber cold runner mold any one of in claim 1-5, it is characterised in that: the secondary glue stream
Road, the main glue runner, the main oil plant runner, oil plant reflux road, the nozzle indulge runner and nozzle crossing current
Road is machined holes, and open end may be provided with stifled stick outwardly.
7. such as a kind of rubber cold runner mold any one of in claim 6, it is characterised in that: the nozzle includes outer
Cover (51), inner sleeve (52), spray head (53), column cap (54) and disk spring (55), the disk spring setting in the spray head and
Between the column cap, the outer peripheral surface of the column cap is provided with double thread cooling duct (56).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811300236.1A CN109397631A (en) | 2018-11-02 | 2018-11-02 | A kind of rubber cold runner mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811300236.1A CN109397631A (en) | 2018-11-02 | 2018-11-02 | A kind of rubber cold runner mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109397631A true CN109397631A (en) | 2019-03-01 |
Family
ID=65471148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811300236.1A Pending CN109397631A (en) | 2018-11-02 | 2018-11-02 | A kind of rubber cold runner mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109397631A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11129289A (en) * | 1997-10-29 | 1999-05-18 | Shin Etsu Polymer Co Ltd | Mold for injection molding of thermosetting resin |
| CN202062586U (en) * | 2011-05-16 | 2011-12-07 | 东莞市科盛实业有限公司 | Multi-nozzle cold runner system |
| CN202271500U (en) * | 2011-10-13 | 2012-06-13 | 佛山伊之密精密橡胶机械有限公司 | Cold runner structure of rubber injection molding machine |
| CN203831716U (en) * | 2014-05-09 | 2014-09-17 | 曹正均 | Injection rubber flow channel template of rubber vulcanizer |
| CN204773285U (en) * | 2015-07-18 | 2015-11-18 | 厦门永精诚橡塑科技有限公司 | Novel many needle valves of double thread cold flow way nozzle |
| CN205097463U (en) * | 2015-11-05 | 2016-03-23 | 周宇华 | Cold type runner system in rubber |
| CN205202017U (en) * | 2015-10-28 | 2016-05-04 | 宁国九鼎橡塑制品有限公司 | Integral cold runner device of rubber injection |
| CN205343665U (en) * | 2016-01-25 | 2016-06-29 | 佛山市顺德区金垒精密机械有限公司 | Zero leaks gluey rubber cold runner structure |
| CN209036918U (en) * | 2018-11-02 | 2019-06-28 | 宁波千普机械制造有限公司 | A kind of rubber cold runner mold |
-
2018
- 2018-11-02 CN CN201811300236.1A patent/CN109397631A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11129289A (en) * | 1997-10-29 | 1999-05-18 | Shin Etsu Polymer Co Ltd | Mold for injection molding of thermosetting resin |
| CN202062586U (en) * | 2011-05-16 | 2011-12-07 | 东莞市科盛实业有限公司 | Multi-nozzle cold runner system |
| CN202271500U (en) * | 2011-10-13 | 2012-06-13 | 佛山伊之密精密橡胶机械有限公司 | Cold runner structure of rubber injection molding machine |
| CN203831716U (en) * | 2014-05-09 | 2014-09-17 | 曹正均 | Injection rubber flow channel template of rubber vulcanizer |
| CN204773285U (en) * | 2015-07-18 | 2015-11-18 | 厦门永精诚橡塑科技有限公司 | Novel many needle valves of double thread cold flow way nozzle |
| CN205202017U (en) * | 2015-10-28 | 2016-05-04 | 宁国九鼎橡塑制品有限公司 | Integral cold runner device of rubber injection |
| CN205097463U (en) * | 2015-11-05 | 2016-03-23 | 周宇华 | Cold type runner system in rubber |
| CN205343665U (en) * | 2016-01-25 | 2016-06-29 | 佛山市顺德区金垒精密机械有限公司 | Zero leaks gluey rubber cold runner structure |
| CN209036918U (en) * | 2018-11-02 | 2019-06-28 | 宁波千普机械制造有限公司 | A kind of rubber cold runner mold |
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