Riser heating device
By employing a riser heating device with support components, a heating frame, and heating components, and using a medium-frequency power supply and induction coil to inductively heat the casting riser, the problem of limited heat preservation time caused by the riser not heating up is solved, achieving rapid heating and long-term heat preservation, and avoiding grain problems.
Patent Information
- Application Number
- CN202423295853.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The existing insulating risers only provide insulation without generating heat, which limits the insulation time and causes the solidification of molten iron to still occur.
A riser heating device, comprising a support assembly, a heating frame, and a heating component, is adopted. It uses a medium-frequency power supply and an induction coil to inductively heat the riser of the cast casting after pouring, and combines a magnetic shielding ring to prevent the magnetic lines of force from disturbing the flow of the alloy liquid.
It enables rapid and efficient heating of the molten alloy inside the riser to the required temperature and allows for long-term heat preservation, thus avoiding grain problems.
Smart Images
Figure CN223848073U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to heating technical field especially relates to a riser heating device. BACKGROUND
[0002] In the mold, the riser cavity is a cavity for storing liquid metal, and it replenishes metal when the casting is formed, prevents shrinkage, and has the effects of exhaust and slag collection, and the main function of the riser is to compensate.
[0003] The traditional riser of precision casting and equiaxial crystal blade is a heat preservation riser, which is made of shell forming material and ceramic fiber cotton and other thermal insulation materials, and pure heat preservation cannot heat, the metal liquid in the heat preservation riser has a longer solidification time than ordinary riser, and the purpose is to slow down the solidification time of molten iron in the riser sleeve. However, due to the pure heat preservation of the heat preservation riser, the heat preservation time is limited, and the molten iron will still solidify. CONTENT OF THE UTILITY MODEL
[0004] The utility model discloses a riser heating device, which solves the problem of pure heat preservation of the existing heat preservation riser, which cannot heat, and the molten iron will still solidify.
[0005] In order to achieve the above purpose, the technical scheme of the utility model is as follows: a riser heating device, comprising a supporting assembly, a heating frame and a heating assembly, the supporting assembly is used for supporting the heating frame, and the riser can be located in the heating frame; the heating assembly comprises a power supply and a plurality of groups of induction coils, the induction coils are installed on the inner side of the heating frame; the induction coils are connected with the power supply.
[0006] Further, the heating assembly further comprises a magnetic isolation ring, and the magnetic isolation ring is located at the bottom of the induction coil.
[0007] Further, the supporting assembly comprises a supporting base and a supporting column, the lower side of the supporting column is fixed on the supporting base, the upper side of the supporting column is used for supporting the heating frame, and the supporting base is used for supporting the shell.
[0008] Further, the power supply adopts a medium frequency power supply.
[0009] Further, the frequency of the power supply is 6kHz-10kHz, and the power is 30kw-70kw.
[0010] The working principle of the technical scheme is that when the shell is cast in the vacuum furnace, it is immediately transferred to the special shell supporting base and placed according to the positioning. The riser heating device falls down, and the induction heating of the castings and the pouring riser after pouring is carried out by using the medium frequency power supply and the induction coil.
[0011] The beneficial effects of the technical scheme are as follows:
[0012] ①The power supply and the induction coil are used for inductively heating the pouring head of the castings after pouring, so that the alloy liquid in the pouring head can be quickly and effectively heated to the required temperature, and long-time heat preservation can be carried out.
[0013] ②A magnetic isolation ring is installed at the bottom of the induction coil, so that the magnetic lines of force at the bottom of the induction coil are blocked, and the problems of turbulence of the alloy liquid of the tenon of the part and the grain caused by the excessively high temperature of the cut area are avoided. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a first perspective view of the pouring head heating device of the utility model;
[0015] Figure 2 It is a second perspective view of the pouring head heating device of the utility model;
[0016] Figure 3 It is a front view of Figure 1 ;
[0017] Figure 4 It is a top view of Figure 1 . DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be further described in detail through specific embodiments:
[0019] The reference signs in the drawings of the specification include: pouring head 1, heating frame 2, supporting base 3, supporting column 4, induction coil 5.
[0020] The technical solutions in the embodiments of the utility model will be further described in detail through specific embodiments:
[0021] The embodiments are basically as shown in the accompanying drawings Figures 1-4As shown: the riser heating device, including support assembly, heating frame 2 and heating assembly, support assembly for supporting heating frame 2, support assembly includes support base 3 and four groups of support column 4, support column 4 lower side is fixed on the support base 3, four groups of support column 4 are arranged in the form of a rectangular frame. The upper side of the support column 4 is used for supporting the heating frame 2, and the support base 3 is used for supporting the shell. The riser 1 can be located in the heating frame 2. The heating frame 2 can be connected to the vertical moving device. The heating assembly includes a power supply, a magnetic ring and a plurality of induction coils 5, the induction coils 5 are installed on the inner side of the heating frame 2; the induction coils 5 are connected with the power supply, the power supply adopts intermediate frequency power supply, the frequency of the power supply is 6kHz-10kHz, the power is 30kw-70kw; the magnetic ring is located at the bottom of the induction coil 5.
[0022] The specific implementation process is as follows:
[0023] When the shell is cast in the vacuum furnace, it is immediately transferred to the special shell support base 3 and placed according to the positioning. The heating frame 2 falls down, and the induction heating of the poured casting riser 1 is carried out by using the intermediate frequency power supply and the induction coil 5, which can quickly and effectively heat the alloy liquid in the riser 1 to the required temperature, and can also be used for long time heat preservation. The intermediate frequency power supply frequency is 6kHz-10kHz, the power is 30kw-70kw, and the alloy liquid temperature in the riser 1 is maintained at about 1400℃. The magnetic ring is installed at the bottom of the induction coil 5, which can block the magnetic force line at the bottom of the induction coil 5, avoid the disturbance of the magnetic force line to the alloy liquid of the part tenon, and avoid the problem of grain caused by the high temperature of the cutting area.
[0024] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
[0025] The above-mentioned is only the embodiment of the present application, and the common knowledge of the specific structure and characteristics in the scheme is not described in detail, the ordinary skilled person in the art knows all the ordinary technical knowledge in the technical field of the present application before the application date or the priority date, can know all the prior art in the field, and has the ability to apply the conventional experimental means before the date, the ordinary skilled person in the art can improve and implement the present scheme under the enlightenment given in the present application, and some typical known structures or known methods should not become an obstacle for the ordinary skilled person in the art to implement the present application. It should be pointed out that for the skilled person in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, which will not affect the effect and practicality of the present application. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.
Claims
1. A feeder heating device, characterized by: The application relates to a heating device for a casting mould, which comprises a supporting assembly, a heating frame (2) and a heating assembly, wherein the supporting assembly is used for supporting the heating frame (2), a riser (1) can be located in the heating frame (2), the heating assembly comprises a power supply and a plurality of groups of induction coils (5), the induction coils (5) are installed on the inner side of the heating frame (2), and the induction coils (5) are connected with the power supply.
2. The riser heating device of claim 1, wherein: The heating assembly further comprises a magnetic isolation ring, which is located at the bottom of the induction coil (5).
3. The riser heating device of claim 1, wherein: The supporting assembly comprises a supporting base (3) and a supporting column (4), the lower side of the supporting column (4) is fixed on the supporting base (3), the upper side of the supporting column (4) is used for supporting the heating frame (2), and the supporting base (3) is used for supporting a mould shell.
4. The riser heating device of claim 1, wherein: The power supply is an intermediate frequency power supply.
5. The riser heating device of claim 4, wherein: The frequency of the power supply is 6kHz-10kHz, and the power is 30kw-70kw.