CN207509571U - A kind of device for controlling the sedimentation of epoxy casting product - Google Patents
A kind of device for controlling the sedimentation of epoxy casting product Download PDFInfo
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- CN207509571U CN207509571U CN201721470149.1U CN201721470149U CN207509571U CN 207509571 U CN207509571 U CN 207509571U CN 201721470149 U CN201721470149 U CN 201721470149U CN 207509571 U CN207509571 U CN 207509571U
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- positioning
- plate
- sedimentation
- casting product
- epoxy casting
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Abstract
The utility model discloses a kind of device for controlling the sedimentation of epoxy casting product, including positioning plate, backing plate, heating plate, control switch, temperature controller, power supply, temperature probe and two positioning round pins being arranged on positioning plate；The top surface of positioning plate is equipped with groove and two positioning through hole being adapted respectively with described two positioning round pins；Spring is equipped between positioning round pin backing plate；Heating plate is placed in the groove of positioning plate, and the height of heating plate is less than the depth of groove, has heating coil in heating plate；The output terminal of heating coil and power supply connects, and control switch is in series on heating coil；The output terminal of temperature controller is electrically connected with control switch, and the input terminal of temperature controller is electrically connected with the temperature probe.The utility model heats mold bottom using heating plate, so as to fulfill the effect of the sedimentation of epoxy casting product is reduced.
Description
Technical field
The utility model belongs to transformer manufacturing field, and in particular to a kind of device for controlling the sedimentation of epoxy casting product.
Background technology
With the high speed development of national economy, not only corresponding electricity needs sustainable growth, electric power market demand is very vigorous,
And increasingly pay attention to power quality, environmental protection and the influence for reducing ecological environment must carry forward vigorously compact, intelligence thus
Energyization, miniaturization and the development and application of non-maintaining defeated change equipment.Epoxy casting product is as the key in power transmission and transforming equipment
Insulating element, not only usage amount is increasing, but also also increasingly harsher to its electrical, mechanical and other performances requirement, into
To form the fundamental of power transmission and transforming equipment insulating reliability.
The epoxy casting product that filler is commonly used as a kind of device for controlling the sedimentation of epoxy casting product and usage amount is big
Auxiliary material, tensile strength, bending strength, impact strength, wear-resistant loss and hardness in addition to that can improve epoxy casting product etc. has
Outside the mechanical performance for closing deformation, the curing characteristics such as curing exotherm and the cure shrinkage of epoxy casting product, thermal change can also be improved
The hot propertys such as shape temperature, the coefficient of expansion, thermal conductivity and heat aging, arc resistance, high-temperature insulating quality and high-temperature dielectric etc. are electric
Performance and resistance to chemical reagents etc..The problem of during filler use more typically is exactly filling settlement problem, because of most of filler
It is inorganic, with organic system it is difficult to combined with well, the standing time of especially epoxy casting product is long more to easily cause production
The sedimentation of filler in product.The production of epoxy casting product that the epoxy resin with filler has become in transformer is used in recent years
First choice.In order to make full use of vacuum casting apparatus, the form of vertical pouring will typically now be taken to manufacture epoxy casting product.
But the epoxy casting product of vertical pouring, due to inconsistent above and below mold temperature, the sedimentation rate for leading to filler is higher, serious shadow
Ring the quality of epoxy casting product.
Utility model content
In order to solve the above problem of the existing technology, the utility model provides a kind of control epoxy casting product and sinks
The device of drop by the way that the positioning plate for being provided with heating plate is installed in curing oven, heats mold bottom using heating plate,
It allows between die top and bottom and forms a temperature gradient to control the gel direction of epoxy resin and speed, so as to reduce ring
Oxygen pour into a mould product sedimentation, make epoxy casting product disclosure satisfy that sedimentation in terms of requirement.
Technical solution is used by the utility model：
A kind of device for controlling the sedimentation of epoxy casting product, including positioning plate, backing plate, heating plate, control switch, temperature
Controller, power supply, temperature probe and two positioning round pins being arranged on positioning plate；Backing plate is arranged on the bottom surface of positioning plate
On；The top surface of positioning plate is equipped with groove and two positioning through hole being adapted respectively with described two positioning round pins；Positioning
Through-hole is up-small and down-big stepped hole；It is step-like to position round pin, and positioning the small end of round pin has upper and lower sequentially connected circular cone
Positioning section and cylindrical section, the small end fixed gap of small end and positioning through hole for positioning round pin are connected, position the big end of round pin with
The big end clearance fit connection of positioning through hole, positions and spring is equipped between the big end of round pin and backing plate；Heating plate is placed in positioning bottom
In the groove of plate, there is heating coil in heating plate；The output terminal of heating coil and power supply connects, and control is in series on heating coil
System switch；The output terminal of temperature controller is electrically connected with control switch, the input terminal of temperature controller and temperature probe electricity
Connection.
Further, the length of the small end of the positioning round pin is more than the length of positioning round pin big end；Position the big of round pin
Radial clearance between end and positioning through hole big end is more than the radial clearance between the positioning small end of round pin and positioning through hole small end.
Further, the coning angle of the circular cone positioning section is 5 °~45 °.
Further, the coning angle of the circular cone positioning section is 15 °~30 °.
Further, the control switch is relay.
Further, the spring is cylindroid helical-coil compression spring.
Further, the temperature probe is provided with multiple.
Further, the heating coil is connected by heat-resisting wire with the power supply and control switch respectively.
Further, the power supply is city power supply source.
Further, the backing plate is detachably connected with positioning plate.
The beneficial effects of the utility model are：
The utility model by the way that the positioning plate for being provided with heating plate is installed in curing oven, using temperature controller and
Control switch adjusts the temperature of mold bottom, so that the temperature of mold bottom is higher than the temperature of die top, this can allow mould
Has the leading gel of epoxy resin of bottom, so as to reduce the sedimentation of epoxy casting product；Secondly, positioning is set on positioning plate
Round pin can make multiple kinds of molds that can be installed in the present apparatus, cost-effective；Also, by being set at the top of positioning round pin
Circular cone positioning section realizes that positioning round pin is capable of the location hole of adaptive multiple kinds of molds, reduces the difficulty of processing of mold location hole.
Description of the drawings
Fig. 1 is that a kind of apparatus structure schematic diagram of control epoxy casting product sedimentation of the utility model (omits heating plate
The control structure of middle heating coil)；
Fig. 2 is a kind of vertical view of device that epoxy casting product is controlled to settle shown in FIG. 1；
Fig. 3 is a-quadrant enlarged structure schematic diagram in Fig. 1；
Fig. 4 is the control structure signal of heating coil in a kind of device for controlling the sedimentation of epoxy casting product shown in FIG. 1
Figure；
In figure：1- heating plates；2- heating coils；3- temperature probes；4- heat-resisting wires；5- temperature controllers；6- controls are opened
It closes；7- power supplys；8- positioning plates；9- positions round pin；10- springs；11- backing plates；12- molds；91- circular cone positioning sections.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is further elaborated the utility model.
As shown in Figs 1-4, the device of a kind of control epoxy casting product sedimentation of the present embodiment, including positioning plate 8, pad
Plate 11, heating plate 1, control switch 6, temperature controller 5, power supply 7, temperature probe 3 and be arranged on positioning plate 8 two
Position round pin 9；Backing plate 11 is arranged on the bottom surface of positioning plate 8；The top surface of positioning plate 8 be equipped with groove and with it is described two
Two positioning through hole that positioning round pin 9 is adapted respectively；Positioning through hole is up-small and down-big stepped hole；Positioning round pin 9 is step
Shape, positioning the small end of round pin 9 has upper and lower sequentially connected circular cone positioning section 91 and cylindrical section, positions the small end of round pin 9 with determining
The small end fixed gap of position through-hole is connected, and positions the big end of round pin 9 and the big end clearance fit of positioning through hole connects, setting circle
Spring 10 is equipped between the big end of pin 9 and backing plate 11；Heating plate 1 is placed in the groove of positioning plate 8, is had in heating plate 1 and is added
Heat coil 2；Heating coil 2 is connect with the output terminal of power supply 7, and control switch 6 is in series on heating coil 2；Temperature controller 5
Output terminal 6 be electrically connected with control switch, the input terminal of temperature controller 5 is electrically connected with the temperature probe 3.The heating plate
1 may be used the realization of the prior arts such as mica electric heating plate, ceramic electric heating plate or cast aluminium electric boiling plate；The control switch 6
It can be realized by prior arts such as triode or relays；It is real that existing temperature sensor may be used in the temperature probe 3
It is existing；The realization of the prior arts such as pressure type temperature controller or electronic temperature controller may be used in the temperature controller 5.This
In embodiment, temperature controller 5 is done using the clamshell of model IB-S201D becomes temperature controller realization, and temperature probe 3 is using upper
State the included Pt100 sensors realization of the temperature controller 5 of model.During using the present apparatus, first by the positioning bottom in the present apparatus
Plate 8 is installed in curing oven, and passes through the temperature range that temperature controller 5 sets needs；Then mold 12 is put into positioning bottom
The top of plate 8, the location hole on mold 12 are located by connecting with positioning round pin 9, realize the positioning of mold 12.After mold 12 installs
Mold 12 is begun to warm up, temperature probe 3 monitors the temperature of 12 bottom of mold in real time, when the temperature of 12 bottom of mold is less than temperature control
During the minimum temperature that device 5 processed is set, temperature controller 5 outputs signal to control switch 6, makes 6 connection heating coil 2 of control switch
With power supply 7, heating plate 1 is begun to warm up, when the temperature of 1 bottom of mold is higher than the maximum temperature that temperature controller 5 is set, temperature
Controller 5 outputs signal to control switch 6, and control switch 6 is made to disconnect heating coil 2 and power supply 7, and heating plate 1 stops heating.From
And the temperature of 12 bottom of mold is made to be higher than the temperature at 12 top of mold, this can allow the epoxy resin of 12 bottom of mold to coagulate in advance
Glue, so as to reduce the sedimentation of epoxy casting product.To reduce the difficulty of processing of the location hole on mold 12, as shown in figs. 1 and 4,
Round pin 9 is positioned with circular cone positioning section 91, and position round pin 9 to slide up and down in the positioning round orifice of positioning plate 8.Such as
Shown in Fig. 1 and 4, when mold 12 is not attached to the top surface of positioning plate 8, position between the big end of round pin 9 and backing plate 11
Spring 12 makes the upper surface of the big end of positioning round pin 9 be abutted with the lower face of the small end of positioning round orifice；During installation mold 12, mold
Location hole alignment positioning round pin 9 on 12 is installed.Since there is circular cone positioning section 91 on positioning round pin 9, so positioning round pin 9
The location hole on different molds 12 can be adapted to automatically, so as to reduce the difficulty of processing of the location hole on mold 12.It needs to illustrate
, as shown in figs. 1 and 3, during positioning mold 12, under the gravity of mold 12, position the cylindrical section of the small end of round pin 9
Top surface is less than the top surface of positioning plate 8, i.e. the positioning of mold 12 is by the top surface of positioning plate 8 and two positioning round pins 9
What circular cone positioning section 91 was realized.
The length of the small end of the positioning round pin 9 is more than the length of positioning 9 big end of round pin；The big end of round pin 9 is positioned with determining
Radial clearance between the through-hole big end of position is more than the radial clearance between the positioning small end of round pin 9 and positioning through hole small end.In this way
The purpose of setting be prevent positioning round pin 9 big end and small end because not coaxially caused by positioning round pin 9 it is stuck.
The coning angle of the circular cone positioning section 91 is 5 °~45 °.
The coning angle of the circular cone positioning section 91 is 15 °~30 °.
The control switch 6 is relay.
The spring 10 is cylindroid helical-coil compression spring.
The temperature probe 3 is provided with multiple.Multiple temperature probes 3 are set, it can be with the heating temperature of 12 bottom of supervision molding
Whether degree is uniform.
The heating coil 2 is connect by heat-resisting wire with the power supply 7 and control switch 6 respectively.
The power supply 7 is city power supply source.
The backing plate 11 is detachably connected with positioning plate 8.
The utility model is not limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model
Other various forms of products, however, make any variation in its shape or structure, it is every that there is same as the present application or phase
Approximate technical solution, all falls within the scope of protection of the utility model.
Claims (10)
1. a kind of device for controlling the sedimentation of epoxy casting product, it is characterised in that：Including positioning plate (8), backing plate (11), heating
Plate (1), control switch (6), temperature controller (5), power supply (7), temperature probe (3) and be arranged on positioning plate (8) two
A positioning round pin (9)；Backing plate (11) is arranged on the bottom surface of positioning plate (8)；The top surface of positioning plate (8) be equipped with groove and
Two positioning through hole being adapted respectively with described two positioning round pins (9)；Positioning through hole is up-small and down-big stepped hole；Positioning
Round pin (9) is step-like, and the small end of positioning round pin (9) has upper and lower sequentially connected circular cone positioning section (91) and cylindrical section, fixed
The small end fixed gap of the small end of circle of position pin (9) and positioning through hole is connected, the big end of positioning round pin (9) and positioning through hole it is big
Splaying is connected, and spring (10) is equipped between the big end of positioning round pin (9) and backing plate (11)；Heating plate (1) is placed in positioning
In the groove of bottom plate (8), there is heating coil (2) in heating plate (1)；Heating coil (2) is connect with the output terminal of power supply (7),
Control switch (6) is in series on heating coil (2)；The output terminal of temperature controller (5) is electrically connected with control switch (6), temperature
The input terminal of controller (5) is electrically connected with the temperature probe (3).
2. a kind of device for controlling the sedimentation of epoxy casting product according to claim 1, it is characterised in that：The setting circle
The length for selling the small end of (9) is more than the length of positioning round pin (9) big end；Position round pin (9) big end and positioning through hole big end it
Between radial clearance be more than positioning round pin (9) small end and positioning through hole small end between radial clearance.
3. a kind of device for controlling the sedimentation of epoxy casting product according to claim 1, it is characterised in that：The paniculidine
The coning angle of position section (91) is 5 °~45 °.
4. a kind of device for controlling the sedimentation of epoxy casting product according to claim 1, it is characterised in that：The paniculidine
The coning angle of position section (91) is 15 °~30 °.
5. a kind of device for controlling the sedimentation of epoxy casting product according to claim 1, it is characterised in that：The control is opened
It is relay to close (6).
6. a kind of device for controlling the sedimentation of epoxy casting product according to claim 1, it is characterised in that：The spring
(10) it is cylindroid helical-coil compression spring.
7. a kind of device for controlling the sedimentation of epoxy casting product according to claim 1, it is characterised in that：The temperature control is visited
Head (3) is provided with multiple.
8. a kind of device for controlling the sedimentation of epoxy casting product according to claim 1, it is characterised in that：The heater wire
Circle (2) is connect by heat-resisting wire with the power supply (7) and control switch (6) respectively.
9. a kind of device for controlling the sedimentation of epoxy casting product according to claim 1, it is characterised in that：The power supply
(7) it is city power supply source.
10. a kind of device for controlling the sedimentation of epoxy casting product according to claim 1, it is characterised in that：The backing plate
(11) it is detachably connected with positioning plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721470149.1U CN207509571U (en) | 2017-11-06 | 2017-11-06 | A kind of device for controlling the sedimentation of epoxy casting product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721470149.1U CN207509571U (en) | 2017-11-06 | 2017-11-06 | A kind of device for controlling the sedimentation of epoxy casting product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207509571U true CN207509571U (en) | 2018-06-19 |
Family
ID=62537226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721470149.1U Active CN207509571U (en) | 2017-11-06 | 2017-11-06 | A kind of device for controlling the sedimentation of epoxy casting product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207509571U (en) |
-
2017
- 2017-11-06 CN CN201721470149.1U patent/CN207509571U/en active Active
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