CN104552799B - There is the mould of uniformly heating - Google Patents
There is the mould of uniformly heating Download PDFInfo
- Publication number
- CN104552799B CN104552799B CN201410852560.XA CN201410852560A CN104552799B CN 104552799 B CN104552799 B CN 104552799B CN 201410852560 A CN201410852560 A CN 201410852560A CN 104552799 B CN104552799 B CN 104552799B
- Authority
- CN
- China
- Prior art keywords
- mould
- die holder
- die cavity
- base
- connecting rod
- 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.)
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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
-
- 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
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
-
- 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
- B29C45/2602—Mould construction elements
-
- 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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
Abstract
The present invention relates to a kind of mould with uniformly heating, including die holder, the film core that is arranged on die holder and be arranged on the intermediate structure between die holder and film core, it is formed with die cavity in described die holder, described film core is housed in die cavity, described intermediate structure includes the magnetic blow out coating being arranged on bottom die cavity, the flexible heat exchanging chamber being arranged between magnetic blow out coating and film core, and be arranged in flexible heat exchanging chamber can hot-wire coil, described die holder includes base, the moving part being arranged on base and the connecting rod connecting described Mobile base and base, described connecting rod has the polished rod portion being arranged in moving part and is formed at the external thread part below polished rod portion, offer the external thread part with described connecting rod on described base and realize the internal thread part of threaded engagement, described connecting rod drives described moving part respect thereto to move to change the size of flexible heat exchanging chamber.
Description
Technical field
The present invention relates to a kind of mould with uniformly heating.
Background technology
The method of plastic shaping is divided into ejection formation, blow molding, hot-forming, compression forming, extracts out into
Type etc., above-mentioned molding manufacture procedure is all that heating of plastic is filled to molten condition to mould, and then cooling is solidifying
Solid becomes working of plastics finished product.
Ejection formation can output plastic product in shape, have that structure is complicated, size accurately and quality
The advantage of safety.But during existing ejection formation, owing to melt injects the die cavity of male and female module
Time, high temperature melt contacts with the die cavity wall of cooling and can form one layer of thin solidification layer, and on wall
Therefore melt temperature also can reduce so that the flowing velocity of melt is maximum in center, near die cavity
The flow velocity of wall is the most practically negligible.This melt situation that flow velocity is inconsistent in the die cavity of male and female module, holds
Easily there is sinuous flow, be that water ripples and joint line easily occur on working of plastics finished product, add part film intracavity
Air is because having little time the bubble that discharge is formed so that the outward appearance of finished product has flaw.
Because above-mentioned defect, the design people, the most in addition research and innovation, to founding a kind of novel knot
The mould with uniformly heating of structure so that it is have more the value in industry.
Summary of the invention
For solving above-mentioned technical problem, it is an object of the invention to provide a kind of make that homogeneous temperature rises have equal
The mould of even heating.
The present invention a kind of has a mould of uniformly heating, the film core including die holder, being arranged on die holder and setting
Putting the intermediate structure between die holder and film core, be formed with die cavity in described die holder, described film core is housed in mould
In groove, described intermediate structure includes being arranged on the magnetic blow out coating bottom die cavity, is arranged between magnetic blow out coating and film core
Flexible heat exchanging chamber and be arranged in flexible heat exchanging chamber can hot-wire coil, described die holder includes base, sets
Putting the moving part on base and connect the connecting rod of described Mobile base and base, described connecting rod has setting
Polished rod portion in moving part and be formed at the external thread part below polished rod portion, described base offers and institute
The external thread part stating connecting rod realizes the internal thread part of threaded engagement, and described connecting rod drives described moving part phase
Move base to change the size of flexible heat exchanging chamber.
Further, liquid or the pipeline of gas flowing it are formed in described coil.
Further, it is additionally provided with in described flexible heat exchanging chamber for cooling liquid or the cooling tube of gas flowing
Road.
Further, described cooling line is connected by scalable connecting tube with the pipeline of coil, described coil
And cooling pipe interval is arranged.
Further, described intermediate structure also includes the thermal insulation layer being arranged between magnetic blow out coating and die cavity.
Further, described thermal insulation layer has the first insulation part being positioned at bottom die cavity and is positioned at die cavity surrounding
Second insulation part, described second insulation part can change shortening or elongate with the movement of moving part.
Further, described moving part is provided with compress and compresses arm above the second insulation part.
By such scheme, during the present invention at least has the advantage that by arranging between die holder and film core
Between structure, and in this intermediate structure, there is magnetic blow out coating, coil and flexible heat exchanging chamber, further through the connection of die holder
Bar drives the moving part of die holder to move to change the size of flexible heat exchanging chamber relative to the base of die holder, so that film
Homogeneous temperature in core rises, and when the process heated up, by making the volume of flexible heat exchanging chamber reduce, from
And reach the purpose quickly heated up.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technology of the present invention
Means, and can being practiced according to the content of description, below with presently preferred embodiments of the present invention and coordinate attached
After figure describes in detail such as.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention has that the mould of uniformly heating is put.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is made further detailed inadequate description.With
Lower embodiment is used for illustrating the present invention, but is not limited to the scope of the present invention.
See Fig. 1, a kind of described in a preferred embodiment of the present invention have the mould of uniformly heating include die holder 1,
The film core 2 being arranged on die holder 1 and the intermediate structure 3 being arranged between die holder 1 and film core 2, described die holder
Being formed with die cavity 11 in 1, described film core 2 is housed in die cavity 11.Described intermediate structure 3 includes being arranged on
Magnetic blow out coating 31 bottom die cavity 11, the flexible heat exchanging chamber 32 being arranged between magnetic blow out coating 31 and film core 2 and
Be arranged in flexible heat exchanging chamber 32 can hot-wire coil 33.Owing to the lower section of coil 33 is provided with magnetic blow out coating 31,
So, after coil 33 is energized, produced by coil 33, magnetic field is uniformly distributed because of the impact of magnetic blow out coating 31,
The rising of the homogeneous temperature of film core 2 is made by because the magnetic hysteresis of film core 2 damage is damaged with eddy current.Described die holder 1 includes
Base 12, the moving part 13 being arranged on base 12 and connect described Mobile base and the connecting rod of base 12
14, described connecting rod 14 has the polished rod portion (non-label) being arranged in moving part 13 and is formed at polished rod
External thread part (non-label) below portion, described base 12 offers and the external screw thread of described connecting rod 14
Portion realizes the internal thread part (non-label) of threaded engagement, and described connecting rod 14 drives described moving part 13 relative
Base 12 moves to change the size of flexible heat exchanging chamber 32.
It is formed for liquid or the pipeline 331 of gas flowing in described coil 33, is designed by this kind,
The when of cooling, the temperature of coil 33 can be taken away.In order to further lower the temperature, described secondary contracting heat exchange
It is additionally provided with in chamber 32 for cooling liquid or the cooling line 34 of gas flowing, this cooling line 34 and line
The pipeline 331 of circle 33 connects also by scalable connecting tube (not shown), described coil 33 and cooling tube
Interval, road 331 is arranged.At a temperature of be down to a timing, moving part 13 can be made relative by turn connecting rod 14
Base 12 moves down, thus reduces the space of flexible heat exchanging chamber 32, now, and coil 33 and cooling line 34
Arrange in string, thus help speed up heat radiation.Further, since this mould is non-contact thermal, therefore,
Increase cooling line 34 and do not interfere with heats.
Described intermediate structure 3 also includes the thermal insulation layer 35 being arranged between magnetic blow out coating 31 and die cavity 11, passes through
This can prevent die holder 1 from dispelling the heat, and reaches the effect of insulation.Described thermal insulation layer 35 has and is positioned at bottom die cavity 11
The first insulation part 351 and be positioned at the second insulation part 352 of die cavity 11 surrounding, described second insulation part 352
Shortening can be changed with the movement of moving part 13 or elongate.It is provided with on described moving part 13 and compresses second
Compress arm 131 above insulation part 352, compress arm 131 by this, when moving part 13 moves down
Wait, compress insulation part 352.
In sum, by arranging intermediate structure 3 between die holder 1 and film core 2, and in this intermediate structure 3
Having magnetic blow out coating 31, coil 33 and flexible heat exchanging chamber 32, the connecting rod 14 further through die holder 1 can drive mould
The moving part 13 of seat 1 moves to change the size of flexible heat exchanging chamber 32 relative to the base 12 of die holder 1, thus
The homogeneous temperature in film core 2 is made to increase, and when the process heated up, by making the volume of flexible heat exchanging chamber 32
Reduce, thus heat up faster.
The above is only the preferred embodiment of the present invention, is not limited to the present invention, it is noted that
For those skilled in the art, on the premise of without departing from the technology of the present invention principle, also
Can make some improvement and modification, these improve and modification also should be regarded as protection scope of the present invention.
Claims (7)
1. a mould with uniformly heating, it is characterised in that: include die holder, the film being arranged on die holder
Core and be arranged on the intermediate structure between die holder and film core, is formed with die cavity in described die holder, described film core is received
Holding in die cavity, described intermediate structure includes being arranged on the magnetic blow out coating bottom die cavity, is arranged on magnetic blow out coating and film
Flexible heat exchanging chamber between core and be arranged in flexible heat exchanging chamber can hot-wire coil, described die holder includes the end
Seat, the moving part being arranged on base and the connecting rod connecting described Mobile base and base, described connecting rod has
There is the polished rod portion being arranged in moving part and be formed at the external thread part below polished rod portion, described base is offered
Having the external thread part with described connecting rod to realize the internal thread part of threaded engagement, described connecting rod drives described shifting
Dynamic portion respect thereto moves to change the size of flexible heat exchanging chamber.
The mould with uniformly heating the most according to claim 1, it is characterised in that: in described coil
It is formed for liquid or the pipeline of gas flowing.
The mould with uniformly heating the most according to claim 2, it is characterised in that: described stretching is changed
Hot intracavity is additionally provided with for cooling liquid or the cooling line of gas flowing.
The mould with uniformly heating the most according to claim 3, it is characterised in that: described cooling tube
Road is connected by scalable connecting tube with the pipeline of coil, and described coil and cooling pipe interval are arranged.
The mould with uniformly heating the most according to claim 1, it is characterised in that: described middle junction
Structure also includes the thermal insulation layer being arranged between magnetic blow out coating and die cavity.
The mould with uniformly heating the most according to claim 5, it is characterised in that: described thermal insulation layer
Have and be positioned at the first insulation part bottom die cavity and be positioned at the second insulation part of die cavity surrounding, described second heat insulation
Portion can change shortening or elongate with the movement of moving part.
The mould with uniformly heating the most according to claim 6, it is characterised in that: described moving part
On be provided with to compress and compress arm above the second insulation part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410852560.XA CN104552799B (en) | 2014-12-31 | 2014-12-31 | There is the mould of uniformly heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410852560.XA CN104552799B (en) | 2014-12-31 | 2014-12-31 | There is the mould of uniformly heating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104552799A CN104552799A (en) | 2015-04-29 |
| CN104552799B true CN104552799B (en) | 2017-01-04 |
Family
ID=53070369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410852560.XA Active CN104552799B (en) | 2014-12-31 | 2014-12-31 | There is the mould of uniformly heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104552799B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI751607B (en) * | 2020-07-10 | 2022-01-01 | 復盛應用科技股份有限公司 | Forming mold heating method and forming mold |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4786620B2 (en) * | 2006-09-21 | 2011-10-05 | 株式会社神戸製鋼所 | Heating unit and tire heating device |
| CN1944028A (en) * | 2006-10-23 | 2007-04-11 | 山东大学 | Method for realizing uniform heating and cooling of plastic injection mould |
| CN102862275A (en) * | 2011-07-06 | 2013-01-09 | 黄圣杰 | Mould equipment capable of uniformly and quickly heating |
| CN204687244U (en) * | 2014-12-31 | 2015-10-07 | 苏州市博奥塑胶电子有限公司 | There is the mould of homogeneous heating |
-
2014
- 2014-12-31 CN CN201410852560.XA patent/CN104552799B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104552799A (en) | 2015-04-29 |
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| C14 | Grant of patent or utility model | ||
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