CN219248104U - Electromagnetic heating device for shaping titanium alloy component - Google Patents
Electromagnetic heating device for shaping titanium alloy component Download PDFInfo
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- CN219248104U CN219248104U CN202222912935.XU CN202222912935U CN219248104U CN 219248104 U CN219248104 U CN 219248104U CN 202222912935 U CN202222912935 U CN 202222912935U CN 219248104 U CN219248104 U CN 219248104U
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Abstract
The utility model belongs to the technical field of metal material processing equipment, and particularly relates to an electromagnetic heating device for shaping a titanium alloy component, which comprises a base, wherein a shaping die is arranged on the base; the electromagnetic heating component comprises an electromagnetic induction coil, and the electromagnetic induction coil is circumferentially arranged around the outer side of the sizing die; compared with the prior art, the utility model has the advantages that based on the electromagnetic induction heating technology, the shape correction die with the titanium alloy component is placed in the middle of the electromagnetic heating component, an alternating magnetic field is generated through an electromagnetic induction coil, alternating magnetic lines of force are cut in an electromagnetic field of the titanium alloy component in the shape correction die, and then alternating current (namely vortex) is generated in the titanium alloy component, the vortex enables metal atoms to move at random at a high speed, atoms collide with each other and rub to generate heat energy, so that the effect of heating the metal is achieved, and the component generates creep deformation under the action of an upper weight of the shape correction die, so that the shape correction requirement is met.
Description
Technical Field
The utility model belongs to the technical field of metal material processing equipment, and particularly relates to an electromagnetic heating device for shaping a titanium alloy component.
Background
The titanium alloy has poor room temperature plasticity and difficult cold deformation due to the crystal structure, and when the component is shaped, an iron hammer cannot be used for directly knocking and correcting, so that cracks or crack sources are generated on the surface, and therefore, the titanium alloy component can be shaped only by adopting a heating shape correcting mode. Meanwhile, the elastic modulus of titanium is 110250Mpa which is about half of that of steel, so that the resilience force of titanium alloy is relatively large, and the titanium alloy member is more difficult to shape than a steel casting, and the traditional shape correction method generally adopts two modes of mechanical shape correction and thermal deformation shape correction.
The prior two traditional shape correction modes of mechanical shape correction and thermal deformation correction have the defects in the practical application process, and specifically comprise the following steps: (1) In the mechanical shape correction method of titanium alloy, a component is heated in a box-type resistance furnace and then transferred to a hydraulic press for positioning and shape correction, heat loss can be generated in the transfer and positioning processes, the shape correction effect is affected, the hydraulic press is adopted for shape correction, the component is easy to generate stress, and stress relief annealing is needed in time; (2) In the thermal deformation shape correction method of the titanium alloy, the component and the shape correction die are placed into a vacuum high-temperature furnace or a protective atmosphere furnace together, protective gas is introduced, a weight is placed above the shape correction die, the temperature is raised to 900-950 ℃, the component is corrected in the shape correction die, but the whole shape correction process is required to be carried out under vacuum or protective atmosphere, the requirements on equipment and places are high, the component, the shape correction die and the counterweight are required to be integrally placed into the high-temperature furnace during shape correction, the required space is large, and the shape correction rate of the component is low.
According to the research, an alternating magnetic field can be generated through the component parts of the electronic circuit board by utilizing an electromagnetic induction heating technology, alternating current (namely vortex) can be generated in the metal cutting alternating magnetic line, the vortex enables metal atoms to move at random at a high speed, the atoms collide with each other and rub to generate heat energy, the titanium alloy component is heated, the heating temperature can be controlled to be 400-600 ℃, the thermal deformation shape correction of the titanium alloy component can be performed in the atmosphere, protective gas is not required to be introduced, the requirements on equipment and places are low, and the shape correction of a large-sized component can be performed; and the oxide layer generated on the surface of the component is thinner, so that the oxide layer can be removed in the finishing process of the titanium alloy component without adding working procedures.
Disclosure of Invention
In view of the above, the present utility model provides an electromagnetic heating device for performing thermal deformation correction on a titanium alloy member based on an electromagnetic induction heating technology.
The technical scheme adopted by the utility model is as follows:
an electromagnetic heating device for shaping a titanium alloy member, comprising:
a base on which the sizing die is placed;
the electromagnetic heating component comprises an electromagnetic induction coil, and the electromagnetic induction coil is circumferentially arranged around the outer side of the sizing die.
In the preferred technical scheme, the electromagnetic heating component further comprises a heat insulation material layer and an electromagnetic shielding layer, wherein the heat insulation material layer and the electromagnetic shielding layer are sequentially arranged outside the electromagnetic induction coil from inside to outside.
In the preferred technical scheme, a vacuum heat insulation layer is further arranged between the heat insulation material layer and the electromagnetic shielding layer.
In the preferred technical scheme, the electromagnetic induction coil both ends are equipped with end utmost point conductive contact, and two end utmost point conductive contact pass electromagnetic shield layer, vacuum insulating layer and electromagnetic shield layer in proper order.
Specifically, the heat insulation material layer is used for preventing heat loss, and a diatomite member can be selected, so that the heat insulation material layer is stable in volume after being heated, not easy to break, and good in heat insulation effect, and the use temperature is 800-900 ℃.
The electromagnetic shielding layer is used for preventing internal electromagnetic leakage and generating harm to workers, and optionally comprises resin, diluent, additive, conductive filler and the like, and is coated on the surface of the shell to form a layer of cured film so as to generate a conductive shielding effect.
Further, an insulating protective sleeve is arranged on the end electrode conductive contact and used for preventing the end electrode conductive contact from leaking electricity.
In the preferred technical scheme, the electromagnetic induction coil is a single-ring electromagnetic induction coil which is electrified with alternating current, and the material is preferably copper or iron; two ends of the electromagnetic induction coil are respectively connected with two poles of alternating current; the electromagnetic induction coil is of a hollow structure, and cooling liquid is filled in the hollow structure of the electromagnetic induction coil, and the cooling liquid is preferably water so as to be recycled.
In the preferred technical scheme, the base is also provided with a positioning structure for fixing the bottom of the sizing die.
Further, the location structure includes fixed boss and roof pressure portion, and the direction of fixed boss is parallel with the school shape mould lateral wall direction, and with base fixed connection, roof pressure portion be the T shape structure that comprises horizontal pole and vertical pole, is provided with the slot on the horizontal pole, and through the bolt fastening on fixed boss, the bolt can follow the slot and remove for the position of adjustment location portion. By adopting the structure, when in use, the position of the cross rod in the jacking part is adjusted, so that the end face of the cross rod is abutted against the side wall of the correction mould, and the correction mould is locked and positioned through the bolt, so that the correction mould is prevented from shifting during correction.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
compared with the heating device adopting a box-type resistance furnace, a vacuum high-temperature furnace or a protective atmosphere furnace in the prior art, the utility model is based on the electromagnetic induction heating technology, the shape correction die with the titanium alloy component is placed in the middle of the electromagnetic heating component, an alternating magnetic field is generated through the electromagnetic induction coil, alternating magnetic lines of force are cut in the electromagnetic field of the titanium alloy component in the shape correction die, and then alternating current (namely vortex) is generated in the titanium alloy component, the vortex enables metal atoms to move at high speed irregularly, and atoms collide and rub with each other to generate heat energy, so that the effect of heating the metal is achieved, the shape correction die generates creep deformation under the action of an upper end weight, and the shape correction requirement is met. The whole process is finished in the heating device at one time without transferring titanium alloy components, so that heat loss is negligible and the shape correction effect is good; the heating temperature can be controlled to be 400-600 ℃ by an electromagnetic induction heating mode, so that the thermal deformation correction of the titanium alloy component can be performed in direct atmosphere without additionally introducing protective gas, and the use cost is reduced; the oxide layer generated on the surface of the component is thinner, and can be removed in the finishing process of the titanium alloy component, so that the working procedures are saved; the requirements on equipment and sites are low, and the large-scale component can be calibrated.
Drawings
The utility model will now be described by way of example and with reference to the accompanying drawings in which:
FIG. 1 is a schematic view showing the structure of an electromagnetic heating device for shaping a titanium alloy member in example 1;
FIG. 2 is a schematic structural view of an electromagnetic heating device for shaping a titanium alloy member in example 2;
FIG. 3 is a schematic view of a part of the structure of the positioning structure in embodiment 2;
reference numerals: a base-1; a sizing die-2; a weight-3; an electromagnetic induction coil-4; a heat insulating material layer-5; an electromagnetic shielding layer-6; an end electrode conductive contact-7; vacuum heat insulation layer-8; a positioning structure-9; a fixing boss-10; and a pressing portion-11; a cross bar-12; and a side rail-13; a groove-14; bolt-15.
Detailed Description
The embodiment of the utility model discloses an electromagnetic heating device for shaping a titanium alloy member, which aims to realize the shaping heating of the titanium alloy member.
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
An electromagnetic heating device for shaping a titanium alloy member, referring to fig. 1, includes:
the base 1, base 1 installs subaerial, and base 1 upper surface is level and smooth, places the titanium alloy component that waits to shape in the correction mould 2 that corresponds in advance, is placing the correction mould 2 that is equipped with the titanium alloy component in base 1 middle part through the loop wheel machine, and correction mould 2 top has placed the heavy object 3 of enough weight for wait after the titanium alloy component of inside intensifies, exert pressure to the mould, makes its titanium alloy component produce creep deformation, reaches the requirement of correction.
Different from the heating mode in the prior art, the electromagnetic heating component is arranged above the base 1 and comprises a shell, the shell and the base 1 form a cylindrical structure with a closed bottom and an open upper end, the shape correcting die 2 is arranged at the middle bottom of the cylindrical structure, and the electromagnetic heating component generates heat energy by generating an alternating magnetic field and cutting alternating magnetic lines of force in the electromagnetic field of a titanium alloy component in the shape correcting die 2, so that the effect of heating metal is achieved.
In a specific embodiment, the electromagnetic heating component sequentially comprises an electromagnetic induction coil 4, a heat insulation material layer 5 and an electromagnetic shielding layer 6 which are annularly arranged from inside to outside, the electromagnetic induction coil 4 is circumferentially arranged around the outer side of the shape correction die 2, two ends of the electromagnetic induction coil 4 are provided with end pole conductive contacts 7, the end pole conductive contacts 7 are provided with insulating protective sleeves, the two end pole conductive contacts 7 sequentially pass through the electromagnetic shielding layer 6 and extend to the outer side of the shell, the end pole conductive contacts 7 are electrified, the electromagnetic induction coil 4 generates an alternating magnetic field, alternating magnetic lines of force are cut in an electromagnetic field of a titanium alloy component in the shape correction die 2, alternating current (namely vortex) is generated in the titanium alloy component, the vortex enables metal atoms to move at a high speed randomly, and collide and rub with each other to generate heat energy, so that the effect of heating metal is achieved, and the shape correction die 2 generates creep deformation on the component under the action of an upper end weight 3, and the requirement of shape correction is met.
The electromagnetic induction coil 4 is a single-ring electromagnetic induction coil 4 which is electrified with alternating current, and the material is preferably copper or iron; two ends of the electromagnetic induction coil 4 are respectively connected with two poles of alternating current; the electromagnetic induction coil 4 is of a hollow structure, and cooling liquid, preferably water, is circulated in the hollow structure of the electromagnetic induction coil 4.
The heat insulation material layer 5 is used for preventing heat loss, and a diatomite member can be selected, so that the heat insulation material layer is stable in volume after being heated, not easy to break, and good in heat insulation effect, and the use temperature is 800-900 ℃. However, it will be understood that those skilled in the art may choose other materials according to the actual situation, and the present embodiment is not limited thereto.
The electromagnetic shielding layer 6 is used for preventing electromagnetic leakage inside and is harmful to workers, and optionally is formed by using resin, diluent, additive, conductive filler and the like, and is coated on the surface of the shell to form a layer of cured film, so as to generate a conductive shielding effect, but it is understood that other materials can be selected by those skilled in the art according to actual situations, and the embodiment does not limit the effect.
Principle of operation and when in use
Fixing a titanium alloy component in a shaping mould 2, placing the shaping mould 2 filled with the titanium alloy component in the middle part of a base 1 through a crane, surrounding an electromagnetic induction coil 4 on the outer side of the shaping mould 2, placing a weight 3 with enough weight on the top of the shaping mould 2, electrifying the electromagnetic induction coil 4, heating the titanium alloy component by utilizing an electromagnetic induction heating technology, and pressing an upper mould for 5-30 min when the temperature of the titanium alloy component is increased to 400-600 ℃, preferably 450-550 ℃, so that the titanium alloy component is subjected to creep deformation, thereby finishing shaping; after the titanium alloy member reaches the shape correction amount, heat preservation is carried out on the shape correction area of the titanium alloy member for 30-60 min, heating is stopped, after the temperature of the titanium alloy member is measured and is reduced to below 250 ℃, the titanium alloy member is taken out of the shape correction die 2, after the titanium alloy member is cooled to room temperature, the dimension measurement is carried out on the member, and the steps are repeated on the titanium alloy member which does not reach the requirement until the titanium alloy member is qualified.
Example 2
Unlike the above embodiment, in this embodiment, a vacuum heat insulation layer 8 is further disposed between the heat insulation material layer 5 and the electromagnetic shielding layer 6, and the heat insulation performance of the device can be further improved by disposing the vacuum heat insulation layer 8.
Example 3
In a preferred technical solution, unlike the above embodiment, in this embodiment, the shape correction mold 2 on the base 1 is fixed by using the positioning structure 9, referring to fig. 2 and 3, the positioning structure 9 includes a fixing boss 10 and a pressing portion 11, the fixing boss 10 and the base 1 are integrally formed, the direction of the fixing boss 10 is parallel to the direction of the side wall of the shape correction mold 2, and is fixedly connected with the base 1, the pressing portion 11 is a T-shaped structure formed by a cross bar 12 and a longitudinal bar 13, a groove 14 is disposed on the cross bar 12, and is fixed on the fixing boss 10 by a bolt 15, and the bolt 15 can move along the groove 14 to adjust the position of the positioning portion. When in use, the position of the cross rod 12 in the top pressing part 11 is adjusted to enable the end surface of the cross rod to be in butt joint with the side wall of the correction mould, and the correction mould is locked and positioned through bolts, so that the correction mould is prevented from shifting during correction.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. An electromagnetic heating device for shaping a titanium alloy member, comprising:
a base (1), a sizing die (2) is arranged on the base (1);
the electromagnetic heating component comprises an electromagnetic induction coil (4), and the electromagnetic induction coil (4) is circumferentially arranged around the outer side of the sizing die (2).
2. The electromagnetic heating device for shaping a titanium alloy member according to claim 1, wherein the electromagnetic heating component further comprises a heat insulating material layer (5) and an electromagnetic shielding layer (6), and the heat insulating material layer (5) and the electromagnetic shielding layer (6) are sequentially arranged outside the electromagnetic induction coil (4) from inside to outside.
3. Electromagnetic heating device for the reshaping of titanium alloy members according to claim 2, characterized in that a vacuum insulation layer (8) is also arranged between the insulation material layer (5) and the electromagnetic shielding layer (6).
4. An electromagnetic heating device for shaping a titanium alloy member according to claim 3, wherein two ends of the electromagnetic induction coil (4) are provided with terminal conductive contacts (7), and the two terminal conductive contacts (7) sequentially pass through the electromagnetic shielding layer (6), the vacuum heat insulating layer (8) and the electromagnetic shielding layer (6).
5. An electromagnetic heating device for shaping titanium alloy members according to claim 4, characterized in that said terminal conductive contacts (7) are provided with insulating protective sleeves.
6. An electromagnetic heating device for shaping a titanium alloy member according to claim 3, wherein the electromagnetic induction coil (4) is made of copper or iron.
7. The electromagnetic heating device for shaping a titanium alloy member according to claim 6, wherein the electromagnetic induction coil (4) has a hollow structure, and a cooling liquid is introduced into the hollow structure of the electromagnetic induction coil (4).
8. An electromagnetic heating device for shaping titanium alloy members according to claim 1, characterized in that the base (1) is further provided with a positioning structure (9) for fixing the bottom of the shaping die (2).
9. The electromagnetic heating device for shaping titanium alloy members according to claim 8, wherein the positioning structure (9) comprises a fixing boss (10) and a pressing part (11), the direction of the fixing boss (10) is parallel to the side wall direction of the shaping die (2) and fixedly connected with the base (1), the pressing part (11) is a T-shaped structure formed by a cross rod (12) and a longitudinal rod (13), the cross rod (12) is provided with a groove (14), the bolt (15) is fixed on the fixing boss (10) through a bolt (15), and the bolt (15) can move along the groove (14) to adjust the position of the positioning part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222912935.XU CN219248104U (en) | 2022-11-02 | 2022-11-02 | Electromagnetic heating device for shaping titanium alloy component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222912935.XU CN219248104U (en) | 2022-11-02 | 2022-11-02 | Electromagnetic heating device for shaping titanium alloy component |
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| Publication Number | Publication Date |
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| CN219248104U true CN219248104U (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222912935.XU Active CN219248104U (en) | 2022-11-02 | 2022-11-02 | Electromagnetic heating device for shaping titanium alloy component |
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| CN (1) | CN219248104U (en) |
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- 2022-11-02 CN CN202222912935.XU patent/CN219248104U/en active Active
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