CN110239012A - Stir deaeration compression molding device and compression-moulding methods - Google Patents
Stir deaeration compression molding device and compression-moulding methods Download PDFInfo
- Publication number
- CN110239012A CN110239012A CN201910646045.9A CN201910646045A CN110239012A CN 110239012 A CN110239012 A CN 110239012A CN 201910646045 A CN201910646045 A CN 201910646045A CN 110239012 A CN110239012 A CN 110239012A
- Authority
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- China
- Prior art keywords
- stirring
- compression molding
- molding device
- deaeration
- piston rod
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Classifications
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- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The present invention relates to material production field, a kind of stirring deaeration compression molding device and compression-moulding methods are provided, are used for forming composite, including stirring container and pressure apparatus, stirring container and pressure apparatus cooperate.Stirring container includes type chamber, and pressure apparatus includes piston rod and locating part, and piston rod is slidably matched with type cavity wall, and piston rod offers venthole, and venthole is connected to type chamber, and locating part is sheathed on piston rod.By the way that venthole is arranged, composite material can be fitted into stirring deaeration compression molding device and carry out vacuum defoamation, and it can be directly pressed and molded after deaeration, it is pressed and molded without composite material is transformed into die apparatus again, to realize that stirring, deaeration and mould pressing process are stirring deaeration compression molding device in the purpose of middle completion, so that after composite material deaeration will not entrained gas again, and then improve the Forming Quality of composite material and working hour can be shortened.
Description
Technical field
The present embodiments relate to material production field more particularly to a kind of stirring deaeration compression molding device and it is molded into
Type method.
Background technique
Chemical material needs to carry out deaeration processing before molding (casting or compression molding), for example, composite material, high thermal conductivity
Material perhaps polyurethane material need to carry out deaeration processing before filling the container to prevent material after molding from stomata or crackle occur and
Influence its quality.By taking composite material as an example, specific moulding process is as follows:
First composite material is contained in a container, then puts it into blender and is stirred mixing, then will stirring
Uniform composite material, which is put into deaeration machine, carries out deaeration, and after deaeration is completed, composite material is produced other from container
It is formed in die apparatus.However, because its stirring, deaeration and moulding process be respectively completed in different equipment, so
Gas can be reentered during producing, in composite material to be led to its producing bubbles inside and reduces quality, at the same time, is turned
Exchange device is also a cumbersome process, and moulding process working hour is caused to increase, and increases the cost of manufacturing equipment.
Summary of the invention
In order to solve the problems, such as that composite molding quality in the prior art is lower and working hour is longer, the present invention provides one
Kind composite molding quality is higher and can shorten the stirring deaeration compression molding device and compression-moulding methods of shaping time.
The technical solution adopted by the present invention is that: a kind of stirring deaeration compression molding device is used for forming composite, including
Stirring container and pressure apparatus, the stirring container and pressure apparatus cooperate, and the stirring container includes type chamber, the pressure dress
It sets including piston rod and locating part, the piston rod is slidably matched with the type cavity wall, so that the piston rod and the type
Chamber forms a molding space, and the piston rod offers venthole, and the venthole is connected to the type chamber, the locating part set
On the piston rod, the intracavitary depth of the type is protruded into for limiting the piston rod.
Further, the locating part is sheathed on the piston rod periphery, and can be relative to the axial position of the piston rod
It moves, protrudes into the intracavitary depth of the type for adjusting the piston rod.
Further, the piston rod includes bar portion and piston part, and the piston part is fixedly connected on one end of the bar portion, institute
Piston part is stated to be slidably matched with the type cavity wall.
Further, the piston part periphery wall offers the card slot of annular, and the piston rod further comprises sealing element, institute
It states sealing element to be installed in the card slot, and is in close contact with the type cavity wall.
Further, when the stirring deaeration compression molding device is pressed and molded composite material, the end of the locating part
Face and the end face of the stirring container offset.
Further, when being stirred deaeration to the composite material being contained in the type chamber, the locating part and institute
Stating has spacing between the end face of stirring container, and has between the piston rod and the composite material being contained in the type chamber
Spacing.
Further, the piston rod inner have clout accommodating chamber, the first end of the piston rod offer clout into
Material mouth, second end offer clout demoulding mouth, and the clout feed inlet is connected to the clout accommodating chamber and the type chamber, described
Clout demoulding mouth is connected to the clout accommodating chamber.
Further, the pressure apparatus further includes plug member, and the plug member is covered on the clout demoulding mouth, described logical
Stomata is opened in the plug member, and is connected to the clout accommodating chamber.
Further, type chamber both ends offer workpiece demoulding mouth and centre hole, the workpiece demoulding mouth and institute respectively
Centre hole is stated to be connected to the type chamber；The stirring container further includes plug, the plug and workpiece demoulding mouth cooperation, and
The plug flushed in close to the end face of one end of the type chamber or higher than the type chamber bottom.
Also a kind of compression-moulding methods of the present invention, include the following steps:
Stirring deaeration compression molding device described in one any of the above embodiment is provided, is pressed and molded to the stirring deaeration
One or more kinds of substances needed for making the composite material are added in device；
Stirring deaeration: the stirring deaeration compression molding device equipped with the substance is put into stirring defoaming device, rotation
The stirring deaeration compression molding device simultaneously vacuumizes its molding space, to be stirred to the substance and deaeration；
Compression molding: after stirring deaeration, the stirring deaeration compression molding device equipped with the substance is de- from the stirring
It steeps equipment to take out, then the substance being contained in its inside is molded by the stirring deaeration compression molding device
Type；
Solidify: by equipped with compression molding after substance the stirring deaeration compression molding device be put into roasting plant into
Row baking, so that the composite material is made in substance solidification；Alternatively, the stirring deaeration compression molding device is stood,
So that composite material is made in the substance spontaneous curing.
Demoulding: after solidification, the composite material is taken out from the stirring deaeration compression molding device.
Compared with prior art, stirring deaeration compression molding device of the invention is connected to by setting with the type chamber logical
Composite material can be fitted into stirring deaeration compression molding device and carry out vacuum defoamation, and can directly carry out mould after deaeration by stomata
It is molded, it is pressed and molded without composite material is transformed into die apparatus again, to realize stirring, deaeration and molding
Technique is stirring deaeration compression molding device in the purpose of middle completion, so that will not be mixed into gas after composite material deaeration again
Body, and then the Forming Quality of composite material is improved, while reducing cumbersome operating process and working hour can be shortened.
Detailed description of the invention
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element, remove
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the partial exploded view of present invention stirring deaeration compression molding device；
Fig. 2 is the die press technology for forming schematic diagram of present invention stirring deaeration compression molding device.
The drawing reference numeral of specific embodiment illustrates:
Specific embodiment
To facilitate the understanding of the present invention, with reference to the accompanying drawings and detailed description, the present invention is carried out in more detail
It is bright.It should be noted that be expressed " being fixed on " another element when element, it can directly on the other element or
There may be one or more elements placed in the middle therebetween.When an element is expressed " connection " another element, it be can be directly
It is connected to another element in succession or there may be one or more elements placed in the middle therebetween.Term used in this specification
"upper", "lower", "left", "right", "inner", "outside" and similar statement are for illustrative purposes only.
Unless otherwise defined, technical and scientific term all used in this specification is led with technology of the invention is belonged to
The normally understood meaning of the technical staff in domain is identical.Used term is only in the description of the invention in this specification
The purpose of description specific embodiment is not intended to the limitation present invention.Term "and/or" used in this specification includes
Any and all combinations of one or more related listed items.
As shown in Figure 1 to Figure 2, the present invention provides a kind of stirring deaeration compression molding device for moulding material, with compound
For material, stirring deaeration compression molding device includes stirring container 1 and pressure apparatus 2, the stirring container 1 and pressure apparatus
2 cooperations.
The stirring container 1 is cylindric stirring cup comprising type chamber 11 and plug 14, the type chamber 11 is for containing
Substance solution needed for being pressed and molded product, such as curing agent and tetrafluoroethene mixed solution.11 top of type chamber and bottom end point
Workpiece demoulding mouth 12 and centre hole 13 are not offered, and the workpiece demoulding mouth 12 and the centre hole 13 and the type chamber 11 connect
Logical, the workpiece demoulding mouth 12 is demoulded for workpiece, and the centre hole 13 is arranged so that the thimble demoulded for workpiece is from thimble
Hole 13 is protruded into type chamber 11, and workpiece is ejected.The plug 14 cooperates with workpiece demoulding mouth 12, and the plug 14 leans on
The end face (top surface) of one end of the nearly type chamber 11 flush in or higher than the type chamber 11 bottom, can by setting plug 14
Workpiece demoulding mouth 12 is blocked, material leakage is prevented.
The pressure apparatus 2 is a cylindrical piston comprising piston rod 21, locating part 22 and plug member 25, the piston
Bar 21 is slidably matched with 11 inner wall of type chamber so that the piston rod 21 and the type chamber 11 formed a molding space 100 with
For being pressed and molded composite material.The piston rod 21 offers venthole 23, and the venthole 23 is connected to the type chamber 11.
By the way that the venthole 23 being connected to the type chamber 11 is arranged, composite material can be fitted into stirring deaeration compression molding device and be carried out
Vacuum defoamation, and can be directly pressed and molded after deaeration, mould is carried out without composite material is transformed into die apparatus again
It is molded, thus realize that stirring, deaeration and mould pressing process are stirring deaeration compression molding device in the purpose of middle completion, so that
After composite material deaeration will not entrained gas again, and then improve the Forming Quality of composite material and working hour can be shortened.
There is the clout for collecting clout (extra composite material mixed solution) inside the cylindrical piston bar 21
Accommodating chamber 213, and the first end (bottom) of the piston rod 21 offer for clout flow into clout feed inlet 2131, second
End (top), which is offered, demoulds mouth 2132, the clout feed inlet 2131 and the clout accommodating chamber for the clout of clout demoulding
213 are connected to the type chamber 11, and the clout demoulding mouth 2132 is connected to the clout accommodating chamber 213.The piston rod 21 wraps
Bar portion 211 and piston part 212 are included, the piston part 212 is fixedly connected on one end of the bar portion 211, the piston part 212 and the type
11 inner wall of chamber is slidably matched, and in the present embodiment, scale, the piston part 212 and institute is labeled in the one side wall of the bar portion 211
The integrated molding of bar portion 211 is stated, is adapted with 11 shape of type chamber.Preferably, 212 periphery wall of piston part offers annular
Card slot (not shown), the piston rod 21 further comprises sealing element 24, and the sealing element 24 is installed in the card slot, and
It is in close contact with 11 inner wall of type chamber, in the present embodiment, the sealing element 24 is the sealing ring made of rubber, by setting
Sealing element 24 is set, so that the molding space 100 forms a confined space, to prevent air from entering.
The locating part 22 is sheathed on the piston rod 21, is protruded into the type chamber 11 for limiting the piston rod 21
Depth, can accurately control the molding dosage of composite material, open quantitative effect.In the present embodiment, the locating part
22 are sheathed on 21 periphery of piston rod, and can be relative to the axial displacement of the piston rod 21, for adjusting the piston rod
21 protrude into the depth in the type chamber 11.Preferably, the locating part 22 is adjusting nut, and 21 periphery of piston rod offers
Screw thread, the adjusting nut are threadedly coupled with the piston rod 21, and the piston rod 21 can be adjusted by rotating adjusting nut
The depth in the type chamber 11 is protruded into, accurately to quantify the dosage of the Molding Forming of Composites.
When the stirring deaeration compression molding device be pressed and molded composite material when, the bottom surface of the locating part 22 with it is described
The top surface of stirring container 1 offsets, to prevent the locating part 22 from moving down.When compound in the type chamber 11 to being contained in
When material is stirred deaeration, there is spacing, and described between the bottom surface of the locating part 22 and the top surface of the stirring container 1
There is spacing, to prevent from not being molded between the bottom surface of piston part 212 and the composite material being contained in the type chamber 11
The bottom surface of the piston part 212 contacts with composite material and influences to stir being normally carried out for deaeration technique when type.
The plug member 25 is covered on the clout demoulding mouth 2132, clout demoulding mouth 2132 is closed, in this implementation
In example, the venthole 23 is opened in the plug member 25, and is connected to the clout accommodating chamber 213.
Also a kind of compression-moulding methods of the present invention, include the following steps:
Stirring deaeration compression molding device described in one any of the above embodiment is provided, is pressed and molded to the stirring deaeration
The substance that one or more needed for making the composite material melt is added in device, in the present embodiment, Xiang Suoshu is stirred
Mix the first substance and the second substance needed for the production composite material is added in deaeration compression molding device, first substance
It is respectively tetrafluoroethene and curing agent with the second substance.Certainly, in other embodiments, a kind of substance can also only be added, have
Body can be determined according to the formula of production composite material.More specifically, before substance is added, first use plug 14 by stirring cup
Base apertures seal, then first substance and the second substance are added in stirring cup.
Stirring deaeration: it is de- that the stirring deaeration compression molding device equipped with first substance and the second substance is put into stirring
It steeps in equipment (not shown), is then turned on stirring defoaming device, drive the stirring deaeration compression molding device rotation, simultaneously
Molding space 100 is vacuumized, first substance is stirred with the second substance and is mixed and composite material is made in deaeration
Mixed liquor.Specifically, upper seal is covered on piston rod 21, and loads onto adjusting nut, and adjusting nut is transferred to the height of needs,
Then the plug of piston rod 21 into stirring cup, then that assembled stirring deaeration compression molding device is put into public rotation is adjustable
Deaeration is stirred in stirring defoaming device (stirring deaeration machine).This stirring deaeration technique is in the vacuum reservoir of stirring deaeration machine
Be stirred deaeration, because the plug member 25 on piston rod 21 has a venthole 23, so the air in stirring cup can be taken away for
Vacuum state.According to the difference of material viscosity, different revolving speed and stirring inclined heated plate, which is arranged, makes material mixing reach best
Effect.
Compression molding: after stirring deaeration, stop stirring deaeration machine, the stirring deaeration equipped with composite material mixture is molded
Molding machine takes out from the stirring deaeration machine, then by the stirring deaeration compression molding device to the compound of its inside
Material mixed liquor is pressed and molded.Specifically, after stirring deaeration, stirring deaeration compression molding device is taken out, according to
The height of required casting is transferred to adjusting nut on corresponding scale, is then pressed downward piston rod 21, until adjusting nut
It is contacted with stirring cup end face, at this point, clout is squeezed into the clout accommodating chamber 213.
Solidify: the stirring deaeration compression molding device equipped with the composite material mixture after compression molding being put into baking and is set
(not shown) is toasted in standby, so that composite finished product is made in composite material mixture solidification.Certainly in other realities
It applies in example, can also be without using roasting plant baking stirring deaeration compression molding device, that is, the stirring deaeration is molded into
Type device is stood, the composite material mixture spontaneous curing for making it internal.
Demoulding: after solidification, composite material is demoulded from the stirring deaeration compression molding device.Specifically, work as solidification
After completion and composite material cooling, plug 14 is removed, the composite finished product top that will have been had been cured with a stick (thimble)
Out, and pressure apparatus 2 is taken out, then the clout in pressure apparatus 2 is taken out.
The venthole that stirring deaeration compression molding device of the invention is connected to by setting with the type chamber, can be by composite wood
Material is fitted into stirring deaeration compression molding device and carries out vacuum defoamation, and can be directly pressed and molded after deaeration, without again
Composite material is transformed into die apparatus and is pressed and molded, to realize that stirring, deaeration and mould pressing process are de- in stirring
Steep compression molding device in the purpose of middle completion so that after composite material deaeration will not entrained gas again, and then improve compound
The Forming Quality of material and working hour can be shortened.
It should be noted that specification of the invention and its a better embodiment of the invention is given in the attached drawing, still,
The present invention can be realized by many different forms, however it is not limited to this specification described embodiment, these embodiments
Not as the additional limitation to the content of present invention, purpose of providing these embodiments is makes understanding to the disclosure
It is more thorough and comprehensive.Also, above-mentioned each technical characteristic continues to be combined with each other, and forms the various embodiments not being enumerated above,
It is considered as the range of description of the invention record；It further, for those of ordinary skills, can be according to the above description
It is improved or converted, and all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of stirring deaeration compression molding device is used for forming composite, including stirring container and pressure apparatus, described to stir
Container and pressure apparatus is mixed to cooperate, which is characterized in that the stirring container includes type chamber, the pressure apparatus include piston rod and
Locating part, the piston rod are slidably matched with the type cavity wall, so that the piston rod and the type chamber form a molding sky
Between, the piston rod offers venthole, and the venthole is connected to the type chamber, and the locating part is sheathed on the piston rod
On, the intracavitary depth of the type is protruded into for limiting the piston rod.
2. stirring deaeration compression molding device according to claim 1, which is characterized in that the locating part is sheathed on described
Piston rod periphery, and can be relative to the axial displacement of the piston rod, for adjusting the piston rod, to protrude into the type intracavitary
Depth.
3. stirring deaeration compression molding device according to claim 1, which is characterized in that the piston rod include bar portion and
Piston part, the piston part are fixedly connected on one end of the bar portion, and the piston part is slidably matched with the type cavity wall.
4. stirring deaeration compression molding device according to claim 3, which is characterized in that the piston part periphery wall offers
Annular card slot, the piston rod further comprises sealing element, and the sealing element is installed in the card slot, and with the type chamber
Inner wall is in close contact.
5. stirring deaeration compression molding device according to claim 1, which is characterized in that when the stirring deaeration is molded into
When type device is pressed and molded composite material, the end face of the locating part and the end face of the stirring container offset.
6. stirring deaeration compression molding device according to claim 1, which is characterized in that when to being contained in the type chamber
Composite material when being stirred deaeration, there is spacing, and the work between the locating part and the end face of the stirring container
There is spacing between stopper rod and the composite material being contained in the type chamber.
7. stirring deaeration compression molding device according to claim 1, which is characterized in that the piston rod inner has remaining
Expect that accommodating chamber, the first end of the piston rod offer clout feed inlet, second end offers clout demoulding mouth, the clout into
Material mouth is connected to the clout accommodating chamber and the type chamber, and the clout demoulding mouth is connected to the clout accommodating chamber.
8. stirring deaeration compression molding device according to claim 7, which is characterized in that the pressure apparatus further includes plug
Part, the plug member are covered on the clout demoulding mouth, and the venthole is opened in the plug member, and is accommodated with the clout
Chamber connection.
9. according to right want 1 described in stirring deaeration compression molding device, which is characterized in that type chamber both ends offer respectively
Workpiece demoulds mouth and centre hole, and the workpiece demoulding mouth and the centre hole are connected to the type chamber；The stirring container is also wrapped
Plug, the plug and workpiece demoulding mouth cooperation are included, and the plug is flushed in close to the end face of one end of the type chamber
Or the bottom higher than the type chamber.
10. a kind of compression-moulding methods, which comprises the steps of:
It provides just like the described in any item stirring deaeration compression molding devices of claim 1-9, is molded into the stirring deaeration
One or more kinds of substances needed for making the composite material are added in type device；
Stirring deaeration: the stirring deaeration compression molding device equipped with the substance is put into stirring defoaming device, described in rotation
Stirring deaeration compression molding device simultaneously vacuumizes its molding space, to be stirred to the substance and deaeration；
Compression molding: after stirring deaeration, the stirring deaeration compression molding device equipped with the substance is set from the stirring deaeration
It is on the waiting list out, then the substance being contained in its inside is pressed and molded by the stirring deaeration compression molding device；
Solidify: the stirring deaeration compression molding device equipped with the substance after compression molding being put into roasting plant and is dried
It is roasting, so that the composite material is made in substance solidification；Alternatively, the stirring deaeration compression molding device is stood, so that
Composite material is made in the substance spontaneous curing.
Demoulding: after solidification, the composite material is taken out from the stirring deaeration compression molding device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910646045.9A CN110239012B (en) | 2019-07-17 | 2019-07-17 | Stirring defoaming compression molding device and compression molding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910646045.9A CN110239012B (en) | 2019-07-17 | 2019-07-17 | Stirring defoaming compression molding device and compression molding method |
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| Publication Number | Publication Date |
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| CN110239012A true CN110239012A (en) | 2019-09-17 |
| CN110239012B CN110239012B (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910646045.9A Active CN110239012B (en) | 2019-07-17 | 2019-07-17 | Stirring defoaming compression molding device and compression molding method |
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| US3547622A (en) * | 1968-06-12 | 1970-12-15 | Pennwalt Corp | D.c. powered plasma arc method and apparatus for refining molten metal |
| JP2006212530A (en) * | 2005-02-03 | 2006-08-17 | Sumitomo Metal Mining Co Ltd | Liquid agitation de-aerating charging device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110239012B (en) | 2022-02-01 |
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