CN108501276A - Centrifuge rotor and method for producing an insulation - Google Patents
Centrifuge rotor and method for producing an insulation Download PDFInfo
- Publication number
- CN108501276A CN108501276A CN201810210132.5A CN201810210132A CN108501276A CN 108501276 A CN108501276 A CN 108501276A CN 201810210132 A CN201810210132 A CN 201810210132A CN 108501276 A CN108501276 A CN 108501276A
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- China
- Prior art keywords
- rotor
- insulating part
- mold
- centrifuge
- cavity
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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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/04—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
- B29C41/042—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould by rotating a mould around its axis of symmetry
- B29C41/045—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould by rotating a mould around its axis of symmetry the axis being placed vertically, e.g. spin casting
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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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/20—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. moulding inserts or for coating 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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
-
- 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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/38—Moulds, cores or other substrates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention relates to a centrifuge rotor, a centrifuge rotor for manufacturing an insulating part and a method. A centrifuge rotor comprising: the rotor comprises a rotor shell, a rotor core and a rotor core, wherein the rotor shell comprises a bottom wall and a side wall, and a centrifuge shaft slot and at least one mold support are arranged on the bottom wall; the mould support is arranged on the rotor shell and is positioned between the centrifuge shaft slot and the side wall of the rotor shell; the rotor shell is fixed on a centrifugal machine shaft through a centrifugal machine shaft slot, and the centrifugal machine shaft drives the rotor shell to rotate when rotating. The centrifuge rotor can optimize the characteristics of the insulating part by realizing the spatial distribution change of different properties of materials under the condition of not changing the structure of the original insulating part, and prepare the functional gradient insulating part meeting the requirements.
Description
Technical field
The present invention relates to Electric Power Equipment Insulation component manufacturing technology fields, more particularly to a kind of centrifuge rotor and manufacture
The centrifuge rotor of insulating part, method.
Background technology
Raising with high-tension electricity equipment key insulating element (such as disc insulator, casing) working voltage and equipment
The actual demand of miniaturization proposes more the optimization of equipment insulators characteristic (such as dielectric constant, thermal conductivity, conductivity etc.)
High requirement.
Currently, the optimization to equipment insulators characteristic is mainly realized by changing the structure of insulating part, for example, to exhausted
The optimization of dielectric constant inside edge part is mainly by changing insulating part top electrode (bucking electrode) or insulating part geometry
To change the electric field inside insulating part, the uniformity of raising insulating part internal electric field.However, the side by changing insulating part structure
Formula changes insulating part characteristic, and due to the limitation by manufacturing process and application scenario, effect is undesirable.
Invention content
Based on this, it is necessary to for insulating part characteristic is changed by way of change insulating part structure, due to being made
It makes the limitation of technique and application scenario and the undesirable problem of effect, a kind of centrifugation of centrifuge rotor and manufacture insulating part is provided
Machine rotor, method.
Wherein, an embodiment of the present invention provides a kind of centrifuge rotors, including：
Rotor case, the rotor case include bottom wall and side wall, and the bottom wall is equipped with centrifugation arbor slot and at least
One die supports and mold；The die supports and mold is set on the rotor case and is located at the centrifugation arbor slot and described turn
Between the side wall of subshell；
The rotor case is fixed on by centrifuging arbor slot on centrifugation arbor, is driven outside rotor when centrifuge shaft rotation is dynamic
Shell rotates.
Above-mentioned centrifuge rotor can will prepare the mold of insulating part by the way that die supports and mold is arranged on centrifuge rotor
It is placed in die supports and mold, in the preparation process of insulating part, is changed by the high-speed rotation of centrifuge rotor and prepare function ladder
Insulating part is spent, it can be under conditions of not changing original insulating part structure, by realizing that the spatial distribution of material different performance becomes
Change to optimize the characteristic of insulating part, prepares satisfactory functionally gradient insulating part.
In one embodiment, the centrifuge rotor, the die supports and mold are two, two die supports and molds pair
Ground is claimed to be arranged around the centrifugation arbor slot.
In one embodiment, the centrifuge rotor further includes rotor cover, and the rotor case is opened equipped with first
Mouthful, the rotor cover is set to first opening.
In one embodiment, the centrifuge rotor, the rotor cover are equipped with card slot, are set on the rotor case
There is the buckling parts being adapted to the card slot.
In one embodiment, the centrifuge rotor, the rotor cover is equipped with buckling parts, on the rotor case
Equipped with the card slot being adapted to the buckling parts.
An embodiment of the present invention provides a kind of centrifuge rotor, the die supports and mold designs for square structure, in the side
Shape structure is equipped with the cavity of the second opening, and the cavity is for carrying insulating part mold.
An embodiment of the present invention provides a kind of centrifuge rotors of manufacture insulating part, including claim 1 to 7 any one
The centrifuge rotor further includes insulating part mold, and the insulating part mold is set on the seat wall of the die supports and mold.
The centrifuge rotor of above-mentioned manufacture insulating part, there is no physical connections between mold body and rotor body, only
It is to have placed the mould into the die supports and mold in rotor so that rotor generalization only needs to change mould when manufacturing different insulating parts
Tool, can be with the manufacturing cost of reduced insulation part.
An embodiment of the present invention provides a kind of centrifuge rotor of manufacture insulating part, type is equipped in the insulating part mold
Chamber, the cavity is for pouring into a mould the material for manufacturing the insulating part.
An embodiment of the present invention provides a kind of centrifuge rotors of manufacture insulating part, and the insulating part mold further includes setting
In high-field electrode and low-field electrode in the cavity.
An embodiment of the present invention provides a kind of method of manufacture insulating part, the centrifugal basket based on the manufacture insulating part
Son includes the following steps：
High-field electrode and grounding electrode preheating are placed in insulating part mold；
It deaerates after epoxy resin, curing agent, filler are sufficiently mixed, the cavity being cast into insulating part mold；
The mold is placed in the die supports and mold, starts centrifuge after centrifugal force size and rotating speed are set；
Centrifuge is closed, takes out rotor, and take out mold from rotor, heating mould keeps the material in mold cavity solid
Change, heating cures after carrying out again after demoulding, forms insulating part.
The method of above-mentioned manufacture insulating part carries insulating part mold by the die supports and mold in special centrifuge rotor,
By during making insulating part, changing condiment in insulating part mold cavity using the centrifugal force of centrifugal basket movable property life
Spatial distribution, can be under conditions of not changing original insulating part structure, by realizing that the spatial distribution of material different performance becomes
Change to optimize the characteristic of insulating part, prepares satisfactory functionally gradient insulating part.
Description of the drawings
Fig. 1 is the rotor overhead sectional view for preparing disc insulator of one embodiment of the invention；
Fig. 2 is the rotor side view cutaway drawing for preparing disc insulator of one embodiment of the invention；
Fig. 3 is the rotor appearance diagram for preparing disc insulator of one embodiment of the invention；
Fig. 4 is the disc insulator picture of one embodiment of the invention；
Fig. 5 is the rotor overhead sectional view for preparing round platform insulator of one embodiment of the invention；
Fig. 6 is the rotor side view cutaway drawing for preparing round platform insulator of one embodiment of the invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
The centrifuge rotor of the present invention and the centrifuge rotor of manufacture insulating part are suitable for manufacture functionally gradient insulating part.Work(
Can functionally gradient material (FGM) (Functionally graded materials, FGM) refer to certain characteristic have spatial distribution, it is continuous or
Person's changed inhomogeneous composite materials stepwise.The manufacture of traditional insulating part will not use centrifuge, corresponding to make
The insulating part produced is not functionally gradient insulating part.Based on the present invention centrifuge rotor and, it is possible to produce functionally gradient is exhausted
Edge part.When the concept of " functionally graded material " is applied to insulating part, by formation " functionally gradient insulating part ".So-called " function " is wrapped
Include but be not limited to the characteristics such as dielectric constant, thermal conductivity, conductivity.Functionally gradient insulating part includes but not limited to：Disc insulator,
Disk insulator, round platform insulator, casing and insulated tension pole etc..In the embodiment of the present invention, mainly to prepare dielectric constant
The present invention is described in detail for benzvalene form insulating part of gradient.
The reality of the centrifuge rotor of the present invention and the centrifuge rotor of manufacture insulating part, method is illustrated with reference to Fig. 1~6
Apply example.
Fig. 1 is the rotor overhead sectional view for preparing disc insulator of one embodiment of the invention, and Fig. 2 is the present invention one
The rotor side view cutaway drawing for preparing disc insulator of embodiment, Fig. 3 prepare disc insulator for one embodiment of the invention
Rotor appearance diagram.
In one embodiment, centrifuge rotor, including：Rotor case 1, the rotor case 1 include bottom wall and side wall,
The bottom wall is equipped with centrifugation arbor slot 2 and at least one die supports and mold 3；The die supports and mold 3 is set to outside the rotor
On shell 1 and between the centrifugation arbor slot 2 and the side wall of the rotor case 1；
The rotor case 1 is fixed on by centrifuging arbor slot 2 on centrifugation arbor, and centrifuge shaft rotation drives rotor when dynamic
Shell 1 rotates.
In above-mentioned centrifuge rotor, rotor case 1 is fixedly connected with die supports and mold 3, and rotor rotates driven mold 4 and mould
Have bearing 3 to rotate, rotor case 1 can prevent mold 4 and die supports and mold 3 in rotation by External force interference, it is also ensured that turn
When son rotation, mold 4 and die supports and mold 3 are unlikely to get rid of winged, the safety in guarantee insulating part preparation process.Centrifuge arbor slot
It can be equipped with screw thread on 2 and on centrifugation arbor, cylindrical internal thread, centrifuge can be provided on the inner wall of centrifugation arbor slot 2
It can be provided with cylindrical external thread on axis, rotor can be fixed on centrifugation arbor by internal thread and externally threaded cooperation.
By the way that die supports and mold 3 is arranged on centrifuge rotor, the mold 4 for preparing insulating part can be placed on die supports and mold
In 3, in the preparation process of insulating part, functionally gradient insulating part is prepared by the high-speed rotation of centrifuge rotor, it can be not
Under conditions of changing original insulating part structure, optimize the spy of insulating part by realizing the changes in spatial distribution of material different performance
Property, prepare satisfactory functionally gradient insulating part.
As shown in Figures 2 and 3, in one embodiment, the quantity of the die supports and mold 3 of centrifuge rotor can be two
A, two die supports and molds 3 are symmetrically arranged around the centrifugation arbor slot 2.
Die supports and mold 3 in the particular embodiment can be set using centrifuging arbor as symmetry axis around centrifugation arbor slot 2
Two symmetrical die supports and molds 3 are set, the die supports and mold 3 of a die supports and mold 3 or other quantity can also be only set.By
Other counterweights are set to adjust the stress of centrifuge rotor, as long as ensureing centrifuge rotor uniform force on rotor.
In above-described embodiment, two die supports and molds 3 can symmetrically ensure around the centrifugation arbor slot 2 setting whole
A centrifuge rotor uniform force ensures that rotor will not throw away damage due to both ends unbalance stress in rotor high-speed rotation.
In one embodiment, centrifuge rotor further includes rotor cover 8, and the rotor case 1 is equipped with the first opening, institute
It states rotor cover 8 and is set to first opening.
Specifically, as shown in Fig. 2, the height of rotor case 1 can be slightly above the height of die supports and mold 3, rotor case 1 can
To be arranged to cylinder, other zhou duicheng tuxings can also be arranged to, corresponding rotor cover 8 can be arranged to outside the rotor
The adaptable round or other zhou duicheng tuxing of shell 1.
In one embodiment, rotor cover 8 is removably located on rotor case 1.Rotor cover 8 is disassembled it
Afterwards, easily mold 4 can be put into die supports and mold 3 or is taken out from die supports and mold 3.It, can when centrifuge runs at high speed
To cover rotor cover 8, ensure that mold 4 does not throw away damage.
Above-described embodiment can prevent mold 4 and die supports and mold 3 from turning by being provided with rotor cover 8 in the first opening
By External force interference when dynamic, it is also ensured that when rotor rotates, mold 4 and die supports and mold 3 are unlikely to get rid of winged, guarantee insulating part preparation
Safety in the process.
Further, card slot can be equipped in rotor cover 8, the rotor case 1 is equipped with the button being adapted to the card slot
Conjunction portion, alternatively, being equipped with buckling parts in the rotor cover 8, the rotor case 1 is equipped with the card being adapted to the buckling parts
Slot.
In the above-described embodiments, it can ensure that rotor cover 8 closely connects with rotor case 1 by the cooperation of card slot and buckling parts
It connects.It can also be threaded on rotor case 1 and rotor cover 8, rotor cover 8 is tightened on rotor case 1 by screw thread.
The fastening being adapted to card slot is arranged by the way that card slot is arranged in rotor cover 8 in above-described embodiment on rotor case 1
Portion, or buckling parts is set in rotor cover 8, the card slot being adapted to buckling parts is set on rotor case 1, rotor cover 8 is fixed
On rotor case 1, when rotor rotates, it is winged to ensure that rotor cover 8 will not be got rid of, while rotor cover 8 can prevent mold 4 and mould
Has bearing 3 in rotation by External force interference, it is also ensured that when rotor rotates, mold 4 and die supports and mold 3 are unlikely to get rid of winged, guarantor
Demonstrate,prove the safety in insulating part preparation process.
In addition, in one embodiment, the die supports and mold 3 designs for square structure, it is equipped on the square structure
The cavity of second opening, the cavity is for carrying insulating part mold 4.
In above-described embodiment, the seat wall of die supports and mold 3 can fit like a glove with the outer wall of insulating part mold 4, die supports and mold 3
Insulating part mold 4 can be carried, while can ensure insulating part mold 4 being fixed, makes insulating part mold 4 according to specific
Position is fixed.
Above-described embodiment, can be with the direction of control function gradient, for example, preparing dielectric by the placement position of insulating part
When the functionally gradient insulator of constant gradient, the inorganic particle in material can be made as the movement of centrifugal force is gradually along centrifugation
The direction of power is accumulated, and formation prepares the functionally gradient insulator of dielectric constant gradient.
The present invention also provides a kind of centrifuge rotors of manufacture insulating part, including the centrifuge rotor, further include exhausted
Edge part mold 4, the insulating part mold 4 are set on the seat wall of the die supports and mold 3.
In the above-described embodiments, the shape of all insulating part molds 4 can be with Uniting at complete with the seat wall of die supports and mold 3
It is complete to coincide, carry a variety of different insulating part molds 4 convenient for die supports and mold 3.As shown in Figure 5 and Figure 6, Fig. 5 is the present invention one
The rotor overhead sectional view for preparing round platform insulator of embodiment, Fig. 6 prepare round platform insulator for one embodiment of the invention
Rotor side view cutaway drawing, as long as insulating part mold 4 to be replaced to the insulator that can prepare different contour structures.Fig. 5 and
The object of number designation and the numerals in Fig. 1 and Fig. 2 in Fig. 6 is the same.
The centrifuge rotor of above-mentioned manufacture insulating part, there is no physical connections between rotor body for mold 4 itself, only
It is in the die supports and mold 3 that mold 4 has been put into rotor so that rotor generalization only needs to change when manufacturing different insulating parts
Mold 4, can be with the manufacturing cost of reduced insulation part.
In one embodiment, the centrifuge rotor of insulating part is manufactured, cavity 5 is equipped in the insulating part mold 4, it is described
Cavity 5 is for pouring into a mould the material for manufacturing the insulating part.
In the above-described embodiments, by the different filler of the injection in cavity 5, different types of functionally gradient can be prepared
Insulator.Using centrifugal force so that filler movement in base material (epoxy resin), the gradient to form function are distributed.
Further, the insulating part mold 4 further includes the high-field electrode 7 and low-field electrode being set in the cavity 5
6。
Injecting seasoning prepares disc insulator in Fig. 1 and cavity shown in Fig. 25, and disc insulator is as shown in figure 4, Fig. 4
In (a), (b), (c) be respectively disc insulator side view, front view and vertical view Fig. 4 in 4011,4021 and
4031 be metal outer shroud, and ground connection (low pressure) electrode 6,4011,4021 and 4031 in corresponding diagram 1 and Fig. 2 is metallic inner, right
Answer the high-field electrode 7 in Fig. 1 and Fig. 2.In the insulator for preparing dielectric constant gradient, mold 4 can be pressed Fig. 2 and Fig. 3 institutes
Show placement, wherein low-field electrode 6 is annular electrode so that high-field electrode 7 ensures close to centrifugation arbor so that high-field electrode side is arrived
The dielectric constant of low-field electrode side is gradually reduced, and the electric field from high-field electrode to low-field electrode could be made to be homogenized.Due to inorganic
The dielectric constant of particle is all higher than epoxy resin base material, and inorganic particle can be as the movement of centrifugal force be gradually along centrifugal force
Direction is accumulated, thus for realize need to make from high-field electrode to the reduction of low-field electrode dielectric constant the side of high-field electrode close to from
Scheming axis.
The uniformity of insulating part field distribution is greatly improved by realizing the changes in spatial distribution of material different performance.Example
It, can be with such as by making disc insulator dielectric constant of the dielectric material be distributed or change according to certain rules (to exchanging use occasion)
Achieve the effect that disc insulator internal electric field concentration of local is greatly reduced, to promote dielectric strength and the use of disc insulator
Service life.(this is because in AC field, the size of the interface electric field normal component of two media is with dielectric constant at anti-
Than if so that on high-tension side dielectric constant increases, the dielectric constant of low pressure (ground side) reduces, helping to be homogenized high pressure to low
Press the surface field of side).
When preparing other functionally gradient insulators such as thermal conductivity and conductivity, the side of high-field electrode can not have to lean on
When closely centrifuging arbor to place, such as preparing the functionally gradient insulator of thermal conductivity change, select thermal conductivity and base material different
Filler.
The embodiment of the present invention also provides a kind of method of manufacture insulating part, the centrifuge rotor of the described manufacture insulating part,
Include the following steps：
High-field electrode 7 and the preheating of grounding electrode 6 are placed in insulating part mold 4；
It deaerates after epoxy resin, curing agent, filler are sufficiently mixed, the cavity 5 being cast into insulating part mold 4；
The mold 4 is placed in the die supports and mold 3, starts centrifuge after centrifugal force size and rotating speed are set；
Centrifuge is closed, takes out rotor, and take out mold 4 from rotor, heating mould 4 makes the material in mold cavity 5
Solidification.Heating cures after carrying out again after demoulding, forms insulating part.
Specifically, in one embodiment, dielectric constant can be prepared by following steps from 27 to 9 continuously distributed work(
It can gradient disc insulator：
Step 1：By epoxy resin, curing agent, strontium titanates (SrTiO3) according to 100:100:80 percent by volume is abundant
Mixing, is placed in vacuum pump and deaerates.
Step 2：High-field electrode 7, grounding electrode 6 in disc insulator mold 4 is fully warmed-up to 60 DEG C and is placed on mould
In tool 4, part surface other than electrode coats releasing agent in mold cavity 5, by epoxy resin, curing agent, strontium titanates it is mixed
It closes liquid and is cast into mold 4.
Step 3：Mold 4 is preheated in 60 DEG C of die supports and molds being placed in rotor 3.
Step 4：Start centrifuge, centrifugal force is dimensioned to 3000G, centrifugation time is set as 30min.
Step 5：After the completion of centrifugation, mold 4 is taken out, is placed in baking oven and is cured, solidification temperature is set as 80 DEG C, solidification
Time is set as 6 hours.
Step 6：Disc insulator is taken out in demoulding, is replaced in after being carried out in baking oven and cures, solidification temperature is set as 120
DEG C, hardening time is set as 10 hours.
Step 7：It can be obtained from from high-field electrode to grounding electrode after the completion of solidification afterwards, dielectric constant is continuous from 27 to 9
The functionally gradient disc insulator of distribution.
In another embodiment, dielectric constant can be prepared by following steps from 15 to 6 continuously distributed functions
Gradient disc insulator：
Step 1：By epoxy resin, curing agent, titanium dioxide (TiO2) according to 100:100:30 percent by volume is abundant
Mixing, is placed in vacuum pump and deaerates.
Step 2：High-field electrode 7, grounding electrode 6 in insulator mold 4 is fully warmed-up to 60 DEG C and is placed in mold,
Part surface in mold cavity 5 other than electrode coats releasing agent, by epoxy resin, the mixed liquor of curing agent, titanium dioxide
It is cast into mold.
Step 3：Mold is preheated in 60 DEG C of die supports and molds being placed in rotor 3.
Step 4：Start centrifuge, centrifugal force is dimensioned to 4000G, centrifugation time is set as 60min.
Step 5：After the completion of centrifugation, mold is taken out, is placed in baking oven and is cured, solidification temperature is set as 80 DEG C, solidification
Time is set as 6 hours.
Step 6：Insulator is taken out in demoulding, is replaced in after being carried out in baking oven and cures, and solidification temperature is set as 120 DEG C, Gu
The change time is set as 10 hours.
Step 7：It can be obtained from from high-field electrode 7 to grounding electrode 6 after the completion of solidification afterwards, dielectric constant connects from 15 to 6
The functionally gradient insulator of continuous distribution.
Above-described embodiment carries insulating part mold 4, by making by the die supports and mold 3 in special centrifuge rotor
During making insulating part, change the space point of condiment in insulating part mold cavity 5 using the centrifugal force of centrifugal basket movable property life
Cloth, can be under conditions of not changing original insulating part structure, by realizing the changes in spatial distribution of material different performance come excellent
The characteristic for changing insulating part, prepares satisfactory functionally gradient insulating part.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not offered as being unique embodiment.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant Listed Items.
Heretofore described " first ", " second " do not represent specific quantity and sequence, are only used for the differentiation of title.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of centrifuge rotor, which is characterized in that including：
Rotor case, the rotor case include bottom wall and side wall, and the bottom wall is equipped with centrifugation arbor slot and at least one
Die supports and mold；The die supports and mold is set on the rotor case and outside the centrifugation arbor slot and the rotor
Between the side wall of shell；
The rotor case is fixed on by centrifuging arbor slot on centrifugation arbor, drives rotor case to turn when centrifuge shaft rotation is dynamic
It is dynamic.
2. centrifuge rotor according to claim 1, which is characterized in that the die supports and mold is two, two moulds
Have bearing to be symmetrically arranged around the centrifugation arbor slot.
3. centrifuge rotor according to claim 1, which is characterized in that further include rotor cover, set on the rotor case
There are the first opening, the rotor cover to be set to first opening.
4. centrifuge rotor according to claim 3, which is characterized in that the rotor cover is equipped with card slot, the rotor
Shell is equipped with the buckling parts being adapted to the card slot.
5. centrifuge rotor according to claim 3, which is characterized in that the rotor cover be equipped with buckling parts, described turn
Subshell is equipped with the card slot being adapted to the buckling parts.
6. centrifuge rotor according to claim 1, which is characterized in that the die supports and mold designs for square structure,
The square structure is equipped with the cavity of the second opening, and the cavity is for carrying insulating part mold.
7. it is a kind of manufacture insulating part centrifuge rotor, which is characterized in that including described in claim 1 to 7 any one from
Scheming rotor further includes insulating part mold, and the insulating part mold is set on the seat wall of the die supports and mold.
8. the centrifuge rotor of manufacture insulating part according to claim 7, which is characterized in that set in the insulating part mold
There is cavity, the cavity is for pouring into a mould the material for manufacturing the insulating part.
9. the centrifuge rotor of manufacture insulating part according to claim 8, which is characterized in that set in the insulating part mold
There is cavity, the cavity is for pouring into a mould the material for manufacturing the insulating part.
10. a kind of method of manufacture insulating part, based on the centrifuge rotor of manufacture insulating part described in claim 1, feature
It is, includes the following steps：
High-field electrode and grounding electrode preheating are placed in insulating part mold；
It deaerates after epoxy resin, curing agent, filler are sufficiently mixed, the cavity being cast into insulating part mold；
The mold is placed in the die supports and mold, starts centrifuge after centrifugal force size and rotating speed are set；
Centrifuge is closed, takes out rotor, and take out mold from rotor, heating mould makes the material solidification in mold cavity, takes off
Heating cures after carrying out again after mould, forms insulating part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810210132.5A CN108501276A (en) | 2018-03-14 | 2018-03-14 | Centrifuge rotor and method for producing an insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810210132.5A CN108501276A (en) | 2018-03-14 | 2018-03-14 | Centrifuge rotor and method for producing an insulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108501276A true CN108501276A (en) | 2018-09-07 |
Family
ID=63376531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810210132.5A Pending CN108501276A (en) | 2018-03-14 | 2018-03-14 | Centrifuge rotor and method for producing an insulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108501276A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111331767A (en) * | 2020-01-03 | 2020-06-26 | 天津大学 | Method for manufacturing surface conductance nonlinear insulator by centrifugal technology |
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| CN101829637A (en) * | 2010-06-01 | 2010-09-15 | 上海安亭科学仪器厂 | Carbon fiber rotor of centrifuge |
| CN106944266A (en) * | 2015-08-20 | 2017-07-14 | 安德烈斯黑蒂希股份有限公司 | Centrifuge rotor |
| CN105542399A (en) * | 2016-01-18 | 2016-05-04 | 西安交通大学 | Centrifugal manufacturing method for dielectric functional gradient insulator |
| CN107521015A (en) * | 2017-08-10 | 2017-12-29 | 南方电网科学研究院有限责任公司 | Manufacturing method and manufacturing device of supporting insulator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111331767A (en) * | 2020-01-03 | 2020-06-26 | 天津大学 | Method for manufacturing surface conductance nonlinear insulator by centrifugal technology |
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