CN2700087Y - Nano vacuum mould device - Google Patents
Nano vacuum mould device Download PDFInfo
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- CN2700087Y CN2700087Y CN 200320117295 CN200320117295U CN2700087Y CN 2700087 Y CN2700087 Y CN 2700087Y CN 200320117295 CN200320117295 CN 200320117295 CN 200320117295 U CN200320117295 U CN 200320117295U CN 2700087 Y CN2700087 Y CN 2700087Y
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- ventilative
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Abstract
The utility model discloses a nano vacuum mould device, comprising an upper mould part, a lower mould part, a vacuum air-bleeding pressing device, and a vacuum air-exhausting of constant pressure device. The vacuum air-bleeding pressing device comprises a one-way valve device, a gas choking device, a gas-permeation cork and a material choking device. The vacuum air-exhausting of constant pressure device comprises a constant pressure controling device, a gas permeation cork and a material choking device. The material choking device comprises a choking-material nano slice and a piece of material-screening gas-permeation cloth, and the gas choking device comprises a drag-force gravity globe and a gas-choking pad slice. Using the nano vacuum mould device has the advantages of saving material effectively, preventing current ripple mark and air bubble from generating on the surface of the product and other defects, full anastomosis between the appearance of the finished product and the mould pattern, and true guarantee about the stability of the forming quality.
Description
Technical field
The utility model relates to a kind of die device, particularly a kind of nano vacuum die device.
Background technology
As everyone knows, when using present conventional die device moulding, the product each several part density basically identical that foaming forms.But for common product, only need outer density to reach certain standard usually and get final product, like this, the product that conventional die device is produced is the same with outer density big owing to internal density, thereby has wasted a large amount of raw materials.In addition, use in the conventional die molding process, the unnecessary gas in the die cavity is the easiest to be accumulated in the inner surface of die cavity and makes product produce defectives such as lacking material, current mark, bubble.
In addition, cavity pressure is bigger during conventional mould molding, thereby the consumption that so just needs to increase the prescription blowing agent has increased cost.Simultaneously because the pressure that in moulding course of reaction, foamable reaction, disengages of raw material, or heating raw expand the pressure that increased will be to the affecting greatly of setting pressure in the die cavity, and cause error, be unfavorable for guaranteeing the stable of moulding quality.
Summary of the invention
Based on the deficiency of existing mold device, the purpose of this utility model is to provide a kind of nano vacuum die device, can conservation and do not have defective, any surface finish, stabilized nano vacuum mold device best in quality by the product of its moulding.
A kind of nano vacuum die device of the utility model comprises part of the upper die, part of the lower die, vacuum suction pressue device and vacuum exhaust constant-voltage equipment.Described vacuum suction pressue device comprises check valve apparatus, choke device, ventilative bolt and resistance material device, described vacuum exhaust constant-voltage equipment comprises constant voltage control device, ventilative bolt and resistance material device, described resistance material device comprises the resistance material nanometer sheet and hides the ventilative cloth of material that described choke device comprises resistance gravity ball and choke pad.
Wherein, described part of the upper die comprises patrix and core rod, each forms the through hole of a up/down perforation respectively the central corresponding vacuum suction pressue device of described patrix and vacuum exhaust constant-voltage equipment, corresponding vacuum suction pressue device of described core rod and vacuum exhaust constant-voltage equipment are offered first perforate and second perforate respectively from top to bottom successively, and each is convexly equipped with a flange respectively downwards corresponding described second perforate in this core rod bottom.The check valve apparatus of described vacuum suction pressue device comprises first check valve and unidirectional valve seat, and unidirectional valve seat screw lock is in the top of corresponding patrix through hole, and its top has a blow vent, and the side is equipped with first check valve.The choke pad of described vacuum suction pressue device is placed on the bottom of corresponding patrix through hole, and fits tightly with the top of core rod, and these choke pad central authorities form a bellmouth.The choke gravity spheroid of described vacuum suction pressures partially is placed in the bellmouth top of through hole internal resistance air cushion sheet.The ventilative bolt of described vacuum suction pressue device is received in second perforate of core rod, resistance material nanometer sheet and the ventilative cloth of screening material then are contained in the flange inside of core rod, wherein the resistance material nanometer sheet fits tightly in ventilative bolt bottom surface, hides the bottom surface that the ventilative cloth of material then fits in the resistance material nanometer sheet.The constant voltage control device of described vacuum exhaust constant-voltage equipment comprises valve seat, constant pressure valve and second check valve, and wherein said valve seat screw lock is in the through hole top of patrix, and the side is equipped with second check valve.The constant pressure valve of described vacuum exhaust constant-voltage equipment is installed on the top of valve seat, ventilative bolt is received in second perforate of core rod, resistance material nanometer sheet and the ventilative cloth of screening material are contained in the flange inside of core rod, wherein the resistance material nanometer sheet fits tightly in the bottom surface of ventilative bolt, hides the bottom surface that the ventilative cloth of material then fits in the resistance material nanometer sheet.
After adopting the utility model nano vacuum die device; at first; because of the vacuum buffer brake in the die cavity; the inner surface that formula material can at first be close to die cavity 31 flows and is successively piled up by die cavity 31 inner surfaces to center position; thereby can make the finished product epidermis form the high density protective layer, therefore in the prescription design, can improve coefficient of foaming, reduction global density, reduce finished product average weight, conservation, reach the effect that reduces cost.Also can increase simultaneously the function and the rerum natura of finished product keypoint part, produce high-quality and light-weighted finished product; In addition, the unnecessary gases in the die cavity 31 also can not be trapped in the inner surface of die cavity, thereby unlikelyly produce defectives such as lacking material, current mark, bubble at product surface, and finished product outward appearance and mould decorative pattern fit like a glove.Once more,, in foaming process, reduced the pressure of mould die cavity, can reduce the consumption of prescription blowing agent like this and reduce cost because of the vacuum principle because raw material is close to the inner surface of die cavity.At last, because the setting of constant pressure valve, can constant voltage regulate the setting pressure of stablizing in the die cavity, thereby can eliminate because the pressure that disengages in moulding course of reaction, foamable reaction of raw material or heating raw the expand pressure that increased to die cavity in the influence of setting pressure and the error that causes, thereby guarantee the stable of moulding quality really.
Description of drawings
Fig. 1 is the cutaway view of the utility model nano vacuum die device vacuum suction pressue device;
Fig. 2 is the cutaway view of the utility model nano vacuum die device vacuum exhaust constant-voltage equipment.
The specific embodiment
Further set forth the utility model nano vacuum die device below in conjunction with accompanying drawing.
See also Fig. 1 and Fig. 2, the utility model nano vacuum die device comprises patrix 10, core rod 20, counterdie 30, vacuum suction pressue device and vacuum exhaust constant-voltage equipment.
Wherein, the central authorities of patrix 10 are formed with the through hole 12 and 12 ' of up/down perforation.Core rod 20 corresponding through holes 12 are offered first perforate 22 and second perforate 26 from top to bottom successively, and corresponding through hole 12 ' is then offered first perforate 22 ' and second perforate 26 ' from top to bottom successively.Corresponding described second perforate 26 and 26 ' in core rod 20 bottoms is convexly equipped with flange 21 and 21 ' respectively downwards.Counterdie 30 inside are formed with a die cavity 31.During matched moulds, patrix 10 and counterdie 30 are held on core rod 20 between the two, and the part of film core 20 embeds die cavity 31 central authorities of counterdie 30.
With reference to figure 1, described vacuum suction pressue device is made up of unidirectional valve seat 50, check valve 54, choke gravity spheroid 70, choke pad 60, ventilative bolt 23, resistance material nanometer sheet 24 and the ventilative cloth 25 of screening material.Wherein, unidirectional valve seat 50 screw locks are in through hole 12 tops of patrix 10, and its top has a blow vent 52, and the side is equipped with check valve 54.Be formed with bellmouths 62 (indicating) in the middle of the choke pad 60, the position of its corresponding core rod 20 first perforates 22 is placed on the bottom of through hole 12 and fits tightly with the top of core rod 20.
Choke gravity spheroid 70 is placed in bellmouth 62 tops of the described choke pad 60 in the through hole 12; Ventilative 23 on bolt is received in second perforate 26 of core rod 20.Resistance material nanometer sheet 24 and the ventilative cloth 25 of screening material are contained in flange 21 inside of core rod 20, and wherein, resistance material nanometer sheet 24 fits tightly in the bottom surface of ventilative bolt 23, hide to expect that ventilative cloth 25 then fits in the bottom surface of resistance material nanometer sheet 24.
With reference to figure 2, vacuum exhaust constant voltage part is made up of valve seat 50 ', constant pressure valve 80, check valve 54 ', ventilative bolt 23 ', resistance material nanometer sheet 24 ' and the ventilative cloth 25 ' of screening material.Wherein, valve seat 50 ' screw lock is in the through hole 12 ' top of patrix 10, and its top has a blow vent 52 ', and the side is equipped with check valve 54 ', and constant pressure valve 80 is installed on the top of unidirectional valve seat 50 ' corresponding to blow vent 52 '.Ventilative bolt 23 ' is received in second perforate 26 ' of core rod 20; Flange 21 ' inside and resistance material nanometer sheet 24 ' that resistance material nanometer sheet 24 ' and the ventilative cloth 25 ' of screening material then are contained in core rod 20 fit tightly in the bottom surface of ventilative bolt 23 ', hide to expect that ventilative cloth 25 ' then fits in the bottom surface of resistance material nanometer sheet 24 '.
In the utility model, patrix 10 and core rod 20 are assembled together and constitute the part of the upper die, and wherein core rod 20 can omit according to making needs.
In the utility model, the function of above-mentioned each main device is as follows:
Hide the ventilative cloth of material: this ventilative cloth can be isolated the solid matter that includes in the die cavity 31 when cleaning or spraying interfacial agents, directly be attached to nanometer sheet and ventilative bolt and influence the circulation of vacuum, gas-pressurized, and can combine with the raw material of perfusion or interpolation one when the moulding and do not influence the function and the outward appearance of finished product.In addition, repeat to put ventilative cloth and more can guarantee the smooth and easy of vacuumizing.
The resistance material nanometer sheet: the resistance material nano-cloth is made by nano material, is the structural material of a kind of permeable watertight.Any molecular structure of inorganic chemistry raw material that is used in perfusion or adds moulding is all greater than hydrone, so the resistance material nano-cloth is further guaranteed directly the breathe freely function of bolt of unlikely influence with interfacial agents, contacting of inorganic chemistry raw material of ventilative bolt.
Ventilative bolt: under high temperature, high pressure, can intercept the molten raw material of the glue that contains the solid composition and infiltrate or loss.
Choke gravity spheroid: the sphere body that adopts high desnity metal to make.When die cavity carries out the vacuum low-pressure EO, can seal the bellmouth 62 of choke pad 60 to guarantee the vacuum pressure in the die cavity in the very first time by the attraction of centrifugal force and die cavity vacuum low-pressure.
The choke pad: this choke pad is a soft gasket, can cooperate choke gravity spheroid to intercept the passage of die cavity 31 air inlets fully.
Check valve: the operator scheme that is used for setting control die cavity vacuum or pressurized state.
Constant pressure valve: be used for the required suitable pressure of molding process die cavity 31, and can regulate and get rid of the excessive pressure that is produced because of in forming operation, the reaction automatically.
The concrete utilization process of the utility model nano vacuum die device is as follows:
The first step, be placed in the nano vacuum die device on the former and be set to the state that is fit to moulding; Second goes on foot, opens the check valve 54 of vacuum suction pressue device, closes the check valve 54 ' of vacuum exhaust constant-voltage equipment; The 3rd goes on foot, opens mould; The 4th step, the ventilative bolt 23 with the vacuum suction pressue device, resistance material nanometer sheet 24 and the ventilative cloth 25 of screening material are placed in second perforate 26 and flange 21 inside of core rod 20 respectively, and ventilative bolt 23 ', resistance material nanometer sheet 24 ' and the screening of vacuum exhaust constant voltage part are expected that ventilative cloth 25 ' is placed in second perforate 26 ' and the flange 21 ' inside of core rod 20 respectively; The 5th goes on foot, die cavity 31 is carried out general forming operation processing or sprays interfacial agents (indicating among the figure); The 6th step, pour into or add and formerly expect in the die cavity 31; The 7th step, the cover mold sealed upper and lower mould that pressurizes; Before the 8th step, the reaction of merging at formula material, build bridge, fast die cavity 31 is evacuated to setting pressure and closes simultaneously and unidirectionally cut down 54 by the bleed bleeding point 52 of pressue device of vacuum resistance material; The 9th step, open the check valve of vacuum pumping hardware, by pressure, condition, the flow process shaping finished product set; The tenth step, remove locked mode pressure, close the check valve 54 ' of vacuum exhaust constant-voltage equipment, open the check valve 54 of vacuum suction pressue device simultaneously; The 11 the step, pressure-air is injected die cavity 31; The 12 step, open upper and lower mould, and the product after the moulding is taken out in die cavity 31.
Wherein, in the 8th step vacuum, perfusion or the raw material that adds are when molten condition, and because of the vacuum buffer brake in the die cavity, the inner surface that can at first be close to die cavity 31 flows and successively piled up by die cavity 31 inner surfaces to center position.Like this; when formula material is expanded material; being close to the inner surface of die cavity 31 under the vacuum decompression state after the raw materials melt piles up; again by die cavity 31 inner surfaces to the center position foaming; higher, the thickness thickening of the outer density of the product that forms therefrom, and internal layer density reduces relatively significantly, can make the finished product epidermis form the high density protective layer; therefore in the prescription design, can improve coefficient of foaming, reduce global density, reduce finished weight, reach the effect that reduces cost.Also can increase simultaneously the function and the rerum natura of finished product keypoint part, produce high-quality and light-weighted finished product.And when using general die device moulding, the product each several part density basically identical that foaming forms.And, only need outer density, thickness to reach certain standard and get final product for common product, like this, the product of being produced by the utility model nano vacuum die device can be saved the raw material of quite a lot of internal layer under the same situation of outer density.In addition, the inner surface accumulation of being close to die cavity 31 owing to raw material in the vacuum does not have stopping of air, unnecessary gas in the die cavity 31 just can not be trapped in the inner surface of die cavity 31 like this, thereby unlikelyly produce to lack defectives such as material, current mark, bubble at product surface, and finished product outward appearance and mould decorative pattern fit like a glove.And use in the general die molding process, the unnecessary gas in the die cavity 31 is then the easiest to be accumulated in the inner surface of die cavity 31 and produces defectives such as scarce material, current mark, bubble.
Once more,, in foaming process, reduced the pressure of mould die cavity 31, can reduce the consumption of prescription blowing agent like this and reduce cost because of the vacuum principle because raw material is close to the inner surface of die cavity 31.
At last, because the setting of constant pressure valve 80, can constant voltage regulate the setting pressure of stablizing in the die cavity 31, thereby can eliminate because the pressure that disengages in moulding course of reaction, foamable reaction of raw material or heating raw the expand pressure that increased to die cavity 31 in the influence of setting pressure and the error that causes, thereby guarantee stablizing of moulding quality really.
Above disclosed only is the preferred embodiment of the utility model network nano vacuum die device, certainly can not limit the interest field of the utility model with this, therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (10)
1. nano vacuum die device, comprise part of the upper die and part of the lower die, form die cavity behind the upper and lower mould matched moulds, it is characterized in that: described nano vacuum die device also comprises the vacuum suction pressue device, the corresponding vacuum suction pressue device in described part of the upper die is provided with a through hole, described vacuum suction pressue device comprises check valve apparatus, choke device, ventilative bolt and resistance material device, and those device from top to down are arranged in the through hole of described part of the upper die.
2. nano vacuum die device according to claim 1, it is characterized in that: described nano vacuum die device also comprises the vacuum exhaust constant-voltage equipment, the corresponding vacuum exhaust constant-voltage equipment in described part of the upper die is provided with another through hole, described vacuum exhaust constant-voltage equipment comprises constant voltage control device, ventilative bolt and resistance material device, and those device from top to down are arranged in this through hole.
3. nano vacuum die device according to claim 2 is characterized in that: described resistance material device comprises the resistance material nanometer sheet and hides the ventilative cloth of material that wherein, the resistance material nanometer sheet is combined in the bottom of described ventilative bolt, hides ventilative its below that is arranged in of material; Described choke device comprises resistance gravity ball and choke pad, and wherein, described gravity spheroid places the top of choke pad.
4. nano vacuum die device according to claim 3, it is characterized in that: described part of the upper die comprises patrix and core rod, each forms the through hole of a up/down perforation respectively the central corresponding vacuum suction pressue device of described patrix and vacuum exhaust constant-voltage equipment, corresponding vacuum suction pressue device of described core rod and vacuum exhaust constant-voltage equipment are offered first perforate and second perforate respectively from top to bottom successively, and each is convexly equipped with a flange respectively downwards corresponding described second perforate in this core rod bottom.
5. nano vacuum die device according to claim 4, it is characterized in that: the check valve apparatus of described vacuum suction pressue device comprises first check valve and unidirectional valve seat, unidirectional valve seat screw lock is in the top of corresponding patrix through hole, its top has a blow vent, and the side is equipped with first check valve.
6. nano vacuum die device according to claim 5 is characterized in that: the choke pad of described vacuum suction pressue device is placed on the bottom of corresponding patrix through hole, and fits tightly with the top of core rod, and these choke pad central authorities form a bellmouth.
7. nano vacuum die device according to claim 6 is characterized in that: the choke gravity spheroid of described vacuum suction pressures partially is placed in the bellmouth top of through hole internal resistance air cushion sheet.
8. nano vacuum die device according to claim 7, it is characterized in that: the ventilative bolt of described vacuum suction pressue device is received in second perforate of core rod, resistance material nanometer sheet and the ventilative cloth of screening material then are contained in the flange inside of core rod, wherein the resistance material nanometer sheet fits tightly in ventilative bolt bottom surface, hides the bottom surface that the ventilative cloth of material then fits in the resistance material nanometer sheet.
9. nano vacuum die device according to claim 8, it is characterized in that: the constant voltage control device of described vacuum exhaust constant-voltage equipment comprises valve seat, constant pressure valve and second check valve, wherein said valve seat screw lock is in the through hole top of patrix, and the side is equipped with second check valve.
10. nano vacuum die device according to claim 9, it is characterized in that: the constant pressure valve of described vacuum exhaust constant-voltage equipment is installed on the top of valve seat, ventilative bolt is received in second perforate of core rod, resistance material nanometer sheet and the ventilative cloth of screening material are contained in the flange inside of core rod, wherein the resistance material nanometer sheet fits tightly in the bottom surface of ventilative bolt, hides the bottom surface that the ventilative cloth of material then fits in the resistance material nanometer sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320117295 CN2700087Y (en) | 2003-10-23 | 2003-10-23 | Nano vacuum mould device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320117295 CN2700087Y (en) | 2003-10-23 | 2003-10-23 | Nano vacuum mould device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2700087Y true CN2700087Y (en) | 2005-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320117295 Expired - Fee Related CN2700087Y (en) | 2003-10-23 | 2003-10-23 | Nano vacuum mould device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2700087Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102470574A (en) * | 2009-07-08 | 2012-05-23 | 陶氏环球技术有限责任公司 | Improved method for forming a shaped foam article |
| CN103072234A (en) * | 2011-10-25 | 2013-05-01 | 中国石油化工股份有限公司 | Exhausting part and mold |
| CN105538565A (en) * | 2015-12-10 | 2016-05-04 | 广州大学 | Vacuum mold made from epoxy resin compound materials, for preparing carbon nanotubes |
| CN106273087A (en) * | 2015-06-08 | 2017-01-04 | 南通超达装备股份有限公司 | PU foaming mould Novel ventilation device |
| CN107263788A (en) * | 2017-06-20 | 2017-10-20 | 南通超达装备股份有限公司 | A kind of three-chip type headrest mould |
| CN109466008A (en) * | 2018-12-19 | 2019-03-15 | 温州市环球汽车衬垫有限公司 | A kind of constant pressure foaming method and mold |
-
2003
- 2003-10-23 CN CN 200320117295 patent/CN2700087Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102470574A (en) * | 2009-07-08 | 2012-05-23 | 陶氏环球技术有限责任公司 | Improved method for forming a shaped foam article |
| CN103072234A (en) * | 2011-10-25 | 2013-05-01 | 中国石油化工股份有限公司 | Exhausting part and mold |
| CN106273087A (en) * | 2015-06-08 | 2017-01-04 | 南通超达装备股份有限公司 | PU foaming mould Novel ventilation device |
| CN105538565A (en) * | 2015-12-10 | 2016-05-04 | 广州大学 | Vacuum mold made from epoxy resin compound materials, for preparing carbon nanotubes |
| CN107263788A (en) * | 2017-06-20 | 2017-10-20 | 南通超达装备股份有限公司 | A kind of three-chip type headrest mould |
| CN107263788B (en) * | 2017-06-20 | 2019-06-21 | 南通超达装备股份有限公司 | A kind of three-chip type headrest mold |
| CN109466008A (en) * | 2018-12-19 | 2019-03-15 | 温州市环球汽车衬垫有限公司 | A kind of constant pressure foaming method and mold |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050518 Termination date: 20101023 |