CN110239012A - Stir deaeration compression molding device and compression-moulding methods - Google Patents

Stir deaeration compression molding device and compression-moulding methods Download PDF

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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
CN
China
Prior art keywords
stirring
compression molding
deaeration
piston rod
composite
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Granted
Application number
CN201910646045.9A
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Chinese (zh)
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CN110239012B (en
Inventor
郑德位
雷春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Marath Technology Co Ltd
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Shenzhen Marath Technology Co Ltd
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Priority to CN201910646045.9A priority Critical patent/CN110239012B/en
Publication of CN110239012A publication Critical patent/CN110239012A/en
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Publication of CN110239012B publication Critical patent/CN110239012B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32Component parts, details or accessories; Auxiliary operations

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

Stir deaeration compression molding device and compression-moulding methods
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.
CN201910646045.9A 2019-07-17 2019-07-17 Stirring defoaming compression molding device and compression molding method Active CN110239012B (en)

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Publication number Priority date Publication date Assignee Title
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
CN101667481A (en) * 2008-09-03 2010-03-10 蒋明兴 Silicon-iron soft magnetic composite material
CN102138725A (en) * 2011-04-15 2011-08-03 朱顶广 Fake nail manufacturing method
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CN106217904A (en) * 2016-07-20 2016-12-14 保定华翼风电叶片研究开发有限公司 The preparation facilities of a kind of extruded bright finish uniform thickness fiberglass test flat board and method
CN205965776U (en) * 2016-08-09 2017-02-22 北京方德精密化工设备有限公司 Open and close reliable pressure stirred tank
CN207294722U (en) * 2017-07-26 2018-05-01 兴仁县引力农产品加工商贸有限责任公司 A kind of equipment of high efficiency manufacture myotonin soap
CN108079620A (en) * 2017-12-26 2018-05-29 山东冬瑞高新技术开发有限公司 A kind of foundry industry liquid charging stock removal inner air device
CN109999935A (en) * 2019-04-09 2019-07-12 何德安 A kind of quick volume fixing device of chemical synthesis solution

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN101667481A (en) * 2008-09-03 2010-03-10 蒋明兴 Silicon-iron soft magnetic composite material
CN102138725A (en) * 2011-04-15 2011-08-03 朱顶广 Fake nail manufacturing method
CN105149552A (en) * 2015-09-28 2015-12-16 江苏理工学院 Split type smelting-casting integrated equipment
CN106217904A (en) * 2016-07-20 2016-12-14 保定华翼风电叶片研究开发有限公司 The preparation facilities of a kind of extruded bright finish uniform thickness fiberglass test flat board and method
CN205965776U (en) * 2016-08-09 2017-02-22 北京方德精密化工设备有限公司 Open and close reliable pressure stirred tank
CN207294722U (en) * 2017-07-26 2018-05-01 兴仁县引力农产品加工商贸有限责任公司 A kind of equipment of high efficiency manufacture myotonin soap
CN108079620A (en) * 2017-12-26 2018-05-29 山东冬瑞高新技术开发有限公司 A kind of foundry industry liquid charging stock removal inner air device
CN109999935A (en) * 2019-04-09 2019-07-12 何德安 A kind of quick volume fixing device of chemical synthesis solution

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