A kind of epoxy resin dry type transformer mold
Technical field
The present invention relates to transformer technology fields, and in particular to a kind of epoxy resin dry type transformer mold.
Background technique
Transformer is the device for changing alternating voltage using the principle of electromagnetic induction, and main member includes primary line
Circle, secondary coil and iron core (magnetic core).Transformer is using mutual electromagnetic inductance come voltage of transformation, electric current and the device of impedance.Transformation
Device is the main component of various power supplys and electrical equipment, and transformer can be divided into dry-type transformer and oil immersed type transformation by the type of cooling
Device.
Epoxy resin dry type transformer is using epoxy resin as insulating materials.High and low pressure winding uses copper wire or copper strips (foil)
It is coiled into, casting epoxy resin and solidifies in a vacuum, constitute high strength glass steel body structure.The class of insulation has F, H grades.Asphalt mixtures modified by epoxy resin
Rouge dry-type transformer has the features such as good electric property, resistance to lightning impulse ability are strong, anti-short circuit capability is strong, small in volume.
Height compression mould needed for epoxy resin dry type transformer under normal conditions because transformer capacity it is different without
It together, often can not be general.With deepening continuously for China's " saving energy and decreasing loss " policy, dry-type transformer gradually use SCB12 and
SCB13 type.In general, about 1.5 ten thousand yuan of a set of epoxy resin dry type transformer high-low pressure die cost, if same capacity
SCB12 type and SCB13 type epoxy resin dry type transformer respectively put into 10 molds, then two kinds of model epoxy resin dry type transformers
Die cost need to put into 300,000 yuan altogether, transformer synthesis higher cost.Therefore, dry-type transformer lacks universal property mold not only
It causes each mould utilization factor not high, and substantially increases the cost of mold in production, while also to the management of mold and making
With bringing inconvenience.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of epoxy resin dry type transformer mold is provided, is used
To solve the problems of the prior art.
To realize that the above goal of the invention, the present invention provide a kind of epoxy resin dry type transformer mold, including Belt-type tools,
The Belt-type tools include external mold, internal model, bottom plate, cross pressure rack and the fagging for regulating winding height, the outer die casing
Outside the internal model, cavity is formed between the external mold and the internal model, the transversal cross-section of the cavity is annular, described outer
The lower end of mould and the internal model is connect with the bottom plate, and the cross pressure rack is set to the upper end of external mold and passes through screw rod and bottom plate
Connection, the fagging are set between the external mold and internal model, are sealed for the upper end to the cavity, and the fagging
It can be slided up and down along the cavity.
It as a further improvement of the above technical scheme, further include first connect respectively with the external mold and the fagging
Buckle, first buckle include the first holding section connected vertically and the second holding section, first holding section and the support
Plate vertically connects, and second holding section is parallel with the fagging and is fixed on the external mold apical margin, the first holding section packet
Include telescopic first loop bar.
As a further improvement of the above technical scheme, the external mold is equipped with close to the inner wall of the cavity for being inserted into the
First card slot of one limit steel plate, it is described when the fagging slides down to below first card slot along the cavity
First card slot insertion the first limit steel plate, the first limit steel plate prevent it to moving up for securing the above fagging
It is dynamic.
As a further improvement of the above technical scheme, scattering device has plug hole on the fagging.
The present invention also provides a kind of epoxy resin dry type transformer mold, including low pressure mold, the low pressure mold includes
Cylinder, one end of the cylinder is provided with can be along the baffle that cylinder moves up and down, and the baffle-plate-sleeve is in barrel outer surface.
As a further improvement of the above technical scheme, the outer surface of the cylinder is provided with for being inserted into the second limit steel
Second card slot of plate, when the baffle slides down to below second card slot along the barrel outer surface, described the
Two draw-in groove insertion the second limit steel plate, the second limit steel plate is for securing the above baffle and preventing it to moving up
It is dynamic.
As a further improvement of the above technical scheme, the baffle is ring baffle, the inward flange of the baffle and institute
Agree with the outer surface for stating cylinder.
It as a further improvement of the above technical scheme, further include second connect respectively with the cylinder and the baffle
Buckle, second buckle include third holding section connected vertically and the 4th holding section, the third holding section and the gear
Plate vertically connects, and the 4th holding section is parallel with the baffle and is fixed on the edge of the cylinder, the third holding section
Including telescopic second loop bar.
The present invention also provides a kind of epoxy resin dry type transformer die assembly, including Belt-type tools as described above with it is low
Compression mould.
As a further improvement of the above technical scheme, first card slot, the second card slot quantity be 4.
Beneficial effects of the present invention:
A kind of epoxy resin dry type transformer mold provided by the invention includes Belt-type tools, includes on the Belt-type tools
External mold, internal model, bottom plate, cross pressure rack and the fagging for regulating winding height adjust Belt-type tools by mobile fagging
The height of coil realizes the conversion of SCB12 type and two kinds of model Belt-type tools of SCB13 type.
Another kind epoxy resin dry type transformer mold provided by the invention includes low pressure mold, and the low pressure mold includes
Cylinder, one end of the cylinder is provided with can be along the baffle that cylinder moves up and down, and the baffle-plate-sleeve is in barrel outer surface.Pass through shifting
Dynamic baffle adjusts the height of low pressure mold coil, realizes the conversion of SCB12 type and two kinds of model low pressure molds of SCB13 type.
Another epoxy resin dry type transformer mold provided by the invention includes Belt-type tools and low pressure mold, passes through support
Plate adjust Belt-type tools coil height, by baffle adjust low pressure mold coil height, can be realized SCB12 type with
The conversion of two kinds of model dry-type transformer molds of SCB13 type.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of the scope of the invention.
Figure 1A is the top view of the Belt-type tools of epoxy resin dry type transformer mold of the invention;
Figure 1B is the schematic elevation view of the Belt-type tools of epoxy resin dry type transformer mold of the invention;
Fig. 2 is the structural schematic diagram of the first buckle in epoxy resin dry type transformer mold of the invention;
Fig. 3 A is the schematic top plan view of the low pressure mold of epoxy resin dry type transformer mold of the invention;
Fig. 3 B is the schematic elevation view of the low pressure mold of epoxy resin dry type transformer mold of the invention;
Fig. 4 is the structural schematic diagram of the second buckle in epoxy resin dry type transformer mold of the invention.
Main element symbol description: 10, Belt-type tools;20, low pressure mold;110, external mold;120, internal model;130, cross pressure
Frame;140, bottom plate;150, fagging;160, the first buckle;210, cylinder;220, baffle;230, the second buckle;1101, the first card
Slot;1601, the first holding section;1602, the second holding section;2101, the second card slot;2301, third holding section;2302, the 4th card
Conjunction portion.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
The component of the embodiment of the present invention being described and illustrated herein in the accompanying drawings can be arranged with a variety of different configurations
And design.Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Hereinafter, term " includes ", " having " and its cognate that can be used in various embodiments of the present invention are only
It is intended to mean that special characteristic, number, step, operation, the combination of element, component or aforementioned item, and is understood not to first
Exclude the combined presence or increase by one of one or more other features, number, step, operation, element, component or aforementioned item
A or more feature, number, step, operation, element, component or aforementioned item combination a possibility that.
In various embodiments of the present invention, statement " A or/and B " includes any combination or the institute of the text listed file names with
There is combination, it may include A, may include B or may include A and B both.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", " transverse direction ", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply relatively heavy
The property wanted.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
In the description of the present invention, unless otherwise specified and limited, it should be noted that term " installation ", " connected ",
" connection " shall be understood in a broad sense, for example, it may be mechanical connection, the connection being also possible to inside two elements, can be directly
It is connected, can also indirectly connected through an intermediary, for the ordinary skill in the art, it can be as the case may be
Understand the concrete meaning of above-mentioned term.Unless otherwise defined, otherwise all terms used herein (including technical term and section
Technics) there is meaning identical with the normally understood meaning of various embodiments of the present invention one skilled in the art.
The term (term such as limited in the dictionary generally used) be to be interpreted as with in the related technical field
The identical meaning of situational meaning and it will be interpreted as having Utopian meaning or meaning too formal, unless in this hair
It is clearly defined in bright various embodiments.
Embodiment 1
Figure 1A, Figure 1B and Fig. 2 are please referred to, the present invention provides a kind of epoxy resin dry type transformer mold, including high pressure
Mold 10, the Belt-type tools 10 include external mold 110, internal model 120, cross pressure rack 130, bottom plate 140 and are used for regulating winding
The fagging 150 of height, the external mold 110 are sheathed on outside the internal model 120, are formed between the external mold 120 and the internal model 110
Cavity, to be annular, the lower end of the external mold 110 and the internal model 120 connects with the bottom plate 140 transversal cross-section of the cavity
It connects, the cross pressure rack 130 is set to the upper end of external mold 110 and is connected by screw rod and bottom plate 140, and the fagging 150 is set to institute
It states between external mold 110 and internal model 120, is sealed for the upper end to the cavity, and the fagging 150 can be along described
Cavity slides up and down.
Since SCB12 and the Belt-type tools 10 of the epoxy resin dry type transformer of SCB13 type are in the feelings of identical voltage class
Only different from height under condition, so in the present embodiment, when fagging 150 is located at the internal model 120 and external mold 110
When upper edge, the coil height of the Belt-type tools 10 of the epoxy resin dry type transformer of corresponding SCB13 type.When the fagging 150
The Belt-type tools 10 that SCB12 type dry-type transformer can be become after the preset distance of cavity slide downward, wherein specifically
The distance of numerical value is determined by the coil height of the Belt-type tools 10 of the epoxy resin dry type transformer of specific SCB12 type.
In embodiments of the present invention, the downslide pre-determined distance is arranged between 20~100mm.
Specifically, further including the first buckle 160 being connect respectively with the external mold 110 and the fagging 150, such as Fig. 2 institute
Show, first buckle 160 includes connected by end and irrelevancy row the first holding section 1601 and the second holding section
1602, first holding section 1601 is vertical with the fagging 150 to be connect, and the external mold is fixed in second holding section 1602
110 apical margins, first holding section 1601 include scalable loop bar.
Specifically, first buckle 160 includes the first holding section 1601 and the second holding section being connected by end
1602 angles formed are between 30 °~90 °.
In the present embodiment, first holding section 1601 is vertical with the second holding section 1602 connect, first engaging
Portion 1601 is vertical with the fagging 150 to be connect, and second holding section 1602 is parallel with the fagging 150 and is fixed on described outer
110 apical margin of mould.
In the present embodiment, first buckle, 160 quantity are two, are located at the opposite both ends of the fagging 150.
In other embodiments, first buckle, 160 quantity can be 3,4,5, and scattering device is on fagging 150.
Preferably, the junction of first holding section 1601 and the second holding section 1602 is the rounding with certain circular arc
Angle.The setting of rounded corner can make the first buckle 160 more snugly be buckled in the edge of external mold 110.
When at the upper opening that the fagging 150 is located at the internal model 120 and the upper edge of external mold 110, described second
Holding section 1602 is buckled in 110 upper edge of external mold, and the first holding section 1601 is in unstretched state at this time, to pass through the first buckle
Fagging 150 is fixed on the internal model 120 at the upper opening of the upper edge of external mold 110 by 160, corresponds to SCB13 type at this time
The coil height of the Belt-type tools 10 of epoxy resin dry type transformer.When need by die adjustment be SCB12 type epoxy resin
When the coil height of the Belt-type tools 10 of dry-type transformer, first holding section 1601 is stretched, makes the fagging 150 along described
Cavity slide downward pre-determined distance.
Specifically, the external mold 110 is equipped with the first card for being inserted into the first limit steel plate close to the inner wall of the cavity
Slot 1101, when the fagging 150 slides down to 1101 lower section of the first card slot along the cavity, first card slot
1101 insertions the first limit steel plate, the first limit steel plate prevent it from moving up for securing the above fagging 150.
Specifically, the quantity of first card slot 1101 is no less than one.
Preferably, the quantity of first card slot 1101 is four, and scattering device is in external mold 110 in the cavity
In the same level of the pre-determined distance of wall.In other embodiments, 1101 quantity of the first card slot can for 2,3 or
5.
Specifically, scattering device has plug hole on the fagging 150.
Embodiment 2
Fig. 3 A, Fig. 3 B and Fig. 4 are please referred to, the present invention provides a kind of epoxy resin dry type transformer mold, including low pressure
Mold 20, the low pressure mold 20 include cylinder 210, and the cross section of the cylinder 210 is the ellipse for cutting one end, described
One end of cylinder 210 is provided with can be along the baffle 220 that cylinder 210 moves up and down, and 220 sets of the baffle outside the cylinder 210
Surface.
Since SCB12 and the low pressure mold 20 of the epoxy resin dry type transformer of SCB13 type are in the feelings of identical voltage class
Only different from height under condition, so in the present embodiment, when the baffle 220 is located at 210 edge of cylinder,
The coil height of the low pressure mold 20 of the epoxy resin dry type transformer of corresponding SCB13 type.When the baffle 220 is along the cylinder
After the preset distance of 210 slide downwards can become SCB12 type dry-type transformer low pressure mold 20, wherein specific value away from
The coil height of low pressure mold 20 from the epoxy resin dry type transformer by specific SCB12 type determines.
In embodiments of the present invention, downslide pre-determined distance is arranged between 20~100mm.
Specifically, the outer surface of the cylinder 210 is provided with the second card slot 2101 for being inserted into the second limit steel plate, when
When the baffle 220 downwardly slides into 2101 lower section of the second card slot along the cylinder 210, second card slot
2101 insertions the second limit steel plate, the second limit steel plate is for securing the above baffle 220 and preventing it to moving up
It is dynamic.
Specifically, the quantity of second card slot 2101 is no less than one.
Preferably, the quantity of second card slot 2101 is four, scattering device the outer surface of cylinder 210 it is default away from
From same level on.In other embodiments, 2101 quantity of the second card slot can be 2,3 or 5.
Specifically, the baffle 220 is ring baffle, the outer surface of the inward flange of the baffle 220 and the cylinder 210
Agree with.
Specifically, further including the second buckle 230 being connect respectively with the cylinder 210 and the baffle 220, such as Fig. 4 institute
Show, second buckle 230 includes connected by end and irrelevancy row third holding section 2301 and the 4th holding section
2302, the third holding section 2301 is vertical with the baffle 220 to be connect, and the cylinder is fixed in the 4th holding section 2302
210 edges, the third holding section 2301 are equipped with telescopic second loop bar.
When the baffle 220 is located at 210 edge of cylinder, the 4th holding section 2302 is buckled in 210 edge of cylinder
Place, third holding section 2301 is in unstretched state at this time, so that baffle 220 is fixed on the cylinder by the second buckle 230
The edge of 210 outer surface of body, the coil for corresponding to the low pressure mold 20 of the epoxy resin dry type transformer of SCB13 type at this time are high
Degree.When needing the coil height by the low pressure mold 20 for the epoxy resin dry type transformer that die adjustment is SCB12 type, stretch
The third holding section 2301 makes the baffle 220 along the cavity slide downward pre-determined distance.
Specifically, second buckle 230 includes the third holding section 2301 and the 4th holding section being connected by end
2302 angles formed are between 30 °~90 °.
In the present embodiment, second buckle 230 is third holding section 2301 connected vertically and the 4th holding section
2302, the third holding section 2301 is vertical with the baffle 220 to be connect, the 4th holding section 2302 and the baffle 220
In parallel and it is fixed on 210 edge of cylinder.
In the present embodiment, second buckle, 230 quantity are two, are located at the opposite both ends of the baffle 220.
In other embodiments, second buckle, 230 quantity can be 3,4,5, and scattering device is on baffle 220.
Preferably, the junction of the third holding section 2301 and the 4th holding section 2302 is the rounding with certain circular arc
Angle.The design of the rounded corner is so that the second buckle 230 is more bonded the anti-baffle plate 220 in 210 edge of cylinder and falls off.
Embodiment 3
A kind of epoxy resin dry type transformer die assembly, including Belt-type tools 10 and low pressure mold 20.The asphalt mixtures modified by epoxy resin
Rouge dry-type transformer mold includes Belt-type tools 10 as described in Example 1 and including low pressure mold as described in Example 2
20.Low pressure mold 20 will be deviate from after the completion of low-voltage coil coiling, by casting epoxy resin after the completion of high-tension coil coiling, casting
Belt-type tools 10 are deviate from after good, so that combination forms epoxy resin dry type transformer.
In the present embodiment, the epoxy resin dry type transformer mold can be suitable for the ring of SCB12 and SCB13 type simultaneously
Oxygen resinated dry type transformer.
Epoxy resin dry type transformer mold includes Belt-type tools 10 and low pressure mold 20, the high pressure in the present embodiment
Mold 10 by 150 regulating winding height of fagging, the low pressure mold 20 can by 220 regulating winding height of baffle, while by
In SCB12 and SCB13 type epoxy resin dry type transformer in the case where identical voltage class only different from height,
To which one set of die can be suitable for the epoxy resin dry type transformer of SCB12 and SCB13 type simultaneously, the mould structure is simple, grasps
Facilitate, cost can be reduced, while convenient for management.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustratively, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitation of the scope of the invention therefore cannot be interpreted as.It should be pointed out that it will be apparent to those skilled in the art that can basis
Technical solution described above and design, make various other corresponding changes and deformation, and all these change with
And deformation all should belong within the scope of protection of the claims of the present invention.