CN217324208U - Quenching device for automobile connecting shaft - Google Patents
Quenching device for automobile connecting shaft Download PDFInfo
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- CN217324208U CN217324208U CN202220573168.1U CN202220573168U CN217324208U CN 217324208 U CN217324208 U CN 217324208U CN 202220573168 U CN202220573168 U CN 202220573168U CN 217324208 U CN217324208 U CN 217324208U
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- connecting shaft
- step face
- connecting portion
- quenching device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
A quenching device for an automobile connecting shaft is characterized in that: the lifting platform comprises a lifting platform body, the upper side of the lifting platform body is provided with a rotatable mounting groove, the upper side of the mounting groove is provided with an induction coil, a turnover pressing cylinder is arranged beside the lifting platform body, a pressing arm is arranged on the turnover pressing cylinder, the end portion of the pressing arm is provided with a thimble and a step face coil, the step face coil corresponds to the induction coil, the thimble is located in the middle of the step face coil and used for pressing a rotating connecting shaft, the step face coil comprises a first vertical coil and a second vertical coil which are symmetrically arranged, and the first vertical coil and the second vertical coil are used for forming axial eddy currents inside the connecting shaft. The utility model has the advantages that: the original eddy current coil can form radial eddy current inside the connecting shaft, but because the diameter of each step surface is different, the surface temperature of each step surface is different, the radial eddy current is changed into axial eddy current, and the connecting shaft is rotated to enable the connecting shaft to be heated uniformly.
Description
Technical Field
The utility model relates to a quenching device of an automobile connecting shaft, belonging to the technical field of quenching.
Background
If a bulk metal is placed in a varying magnetic field or moved in a non-uniform magnetic field, an induced potential is generated in the metal, and a strong current is induced even though the induced electromotive force is not large because the resistance of the metal is small. This current flows in the metal along a closed loop, like a vortex in river water, and is therefore called a vortex current, called eddy current for short. Eddy currents can cause both thermal and mechanical effects.
An automobile connecting shaft is one of transmission shafts, is the same as a common shaft part and is provided with a plurality of step surfaces, if the traditional induction coil eddy current heating is used, different radial eddy currents can be formed on each step surface, and the heating temperature of each step surface is different as the distance between each step surface and an eddy current coil is farther and the heating temperature is smaller.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a quenching device of an automobile connecting shaft, which changes radial vortex into axial vortex and solves the problem of different heating temperatures of each step surface.
In order to realize the purpose, the utility model discloses a technical scheme: the lifting platform comprises a lifting platform body, the upper side of the lifting platform body is provided with a rotatable mounting groove, the upper side of the mounting groove is provided with an induction coil, a turnover pressing cylinder is arranged beside the lifting platform body, a pressing arm is arranged on the turnover pressing cylinder, the end portion of the pressing arm is provided with a thimble and a step face coil, the step face coil corresponds to the induction coil, the thimble is located in the middle of the step face coil and used for pressing a rotating connecting shaft, the step face coil comprises a first vertical coil and a second vertical coil which are symmetrically arranged, and the first vertical coil and the second vertical coil are used for forming axial eddy currents inside the connecting shaft.
Furthermore, the first vertical coil is formed by bending and extending a first lead, the first lead extends downwards to form a first connecting part, the first connecting part rotates anticlockwise to form a first limiting part, the first limiting part bends downwards to form a first backflow part, the first backflow part rotates clockwise to form a second limiting part, the second limiting part bends upwards to form a second connecting part, the first connecting part and the second connecting part are attached side by side, and the second connecting part and the first backflow part are parallel to each other;
the second vertical coil is formed by bending and extending a second wire, the second wire extends downwards to form a third connecting part, the third connecting part rotates clockwise to form a third limiting part, the third limiting part bends downwards to form a second backflow part, the second backflow part rotates anticlockwise to form a fourth limiting part, the fourth limiting part bends upwards to form a fourth connecting part, the third connecting part and the fourth connecting part are attached side by side, and the fourth connecting part and the second backflow part are parallel to each other.
Furthermore, the first return portion and the second return portion are parallel to each other, and the second connecting portion and the fourth connecting portion are parallel to each other.
Furthermore, the step surface coil is connected to the pressure arm through the first connecting portion, the second connecting portion, the third connecting portion and the fourth connecting portion and can be connected to an alternating current power supply.
Further, the second connecting portion may also be directly connected to the third limiting portion.
The utility model has the advantages that: the original eddy current coil can form radial eddy current inside the connecting shaft, but because the diameter of each step surface is different, the surface temperature of each step surface is different, the radial eddy current is changed into axial eddy current, and the connecting shaft is rotated to enable the connecting shaft to be heated uniformly.
Drawings
Fig. 1 is a schematic view of the present invention.
Fig. 2 is a schematic view of a first step surface coil of the present invention.
Fig. 3 is a schematic view of a second step surface coil of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
The utility model discloses a guenching unit of car connecting axle, including elevating platform 1, 1 upsides of elevating platform are provided with rotatable mounting groove 2, and 2 upsides in mounting groove are provided with induction coil 3, and 1 other upset that is provided with of elevating platform compresses tightly jar 4 for get put the connecting axle. The overturning pressing cylinder 4 is provided with a pressing arm 5, the end part of the pressing arm 5 is provided with a thimble 6 and a step face coil 7, the step face coil 7 corresponds to the induction coil 3, the step face coil 7 is arranged above the induction coil 3 in a spot welding mode, one end of the automobile connecting shaft is placed downwards in the induction coil 3, and the other end of the automobile connecting shaft penetrates through the step face coil 7 upwards, wherein the first shaft section of the automobile connecting shaft is positioned inside the induction coil 3, no step face exists at the moment, so that the conventional eddy current heating is adopted, when the position of the automobile connecting shaft section is reached, the step face coil 7 can uniformly heat each step face at the moment. The thimble 6 is located in the middle of the step face coil 7 and used for compressing the rotating connecting shaft, the step face coil 7 comprises a first vertical coil 8 and a second vertical coil 9 which are symmetrically arranged, and the first vertical coil 8 and the second vertical coil 9 are used for forming axial eddy current inside the connecting shaft.
As shown in fig. 2, in the first embodiment, the first vertical coil 8 is formed by bending and extending a first conductive wire, the first conductive wire extends downward to form a first connection portion 82, the first connection portion 82 rotates counterclockwise to form a first limiting portion 83, the first connection portion 82 is a current input end, the first limiting portion 83 bends downward to form a first return portion 84, the first return portion 84 rotates clockwise to form a second limiting portion 85, the second limiting portion 85 bends upward to form a second connection portion 86, and the second connection portion 86 is a current output end. The first connecting part 82 and the second connecting part 86 are attached side by side, the radius of the first limiting part 83 is smaller than that of the second limiting part 85, the first limiting part is more attached to the shape of the connecting shaft, the second connecting part 86 and the first return part 84 are parallel to each other, and a first vortex group is formed on a cross section formed by the first connecting part and the first return part;
the second vertical coil 9 is formed by bending and extending a second wire, the second wire extends downward to form a third connecting portion 92, which is also an input end of current, the third connecting portion 92 rotates clockwise to form a third limiting portion 93, the third limiting portion 93 bends downward to form a second backflow portion 94, the second backflow portion 94 rotates counterclockwise to form a fourth limiting portion 95, the fourth limiting portion 95 bends upward to form a fourth connecting portion 96, and the fourth connecting portion 96 is also an output end of current. The third connecting portion 92 and the fourth connecting portion 96 are attached side by side, the third limiting portion 93 is smaller in radius than the fourth limiting portion 95, the fourth connecting portion 96 and the second backflow portion 94 are parallel to each other, and a second vortex group is formed on a cross section formed by the third connecting portion 92 and the second backflow portion 94.
First and second return portions 84 and 94 are parallel to each other and second and fourth connection portions 86 and 96 are parallel to each other, i.e., first and second vortex groups are parallel to each other and neither interfere with each other nor reinforce each other.
Although the first vortex group and the second vortex group do not move on the axial tangent plane of the connecting shaft, the connecting shaft can be rotated to enable the two tangent planes to continuously rotate around the shaft, so that each surface can be heated and quenched all the time.
As shown in fig. 3, this is the second embodiment, the second connecting portion 86 can also be directly connected to the third limiting portion 93, that is, the original two closed-loop coils are combined into one coil, the principle is the same, axial eddy currents are formed inside the connecting shaft, and the current can pass through the transition of the second connecting portion 86 regardless of whether the current enters from the first connecting portion 83 or the fourth connecting portion 96, and can form eddy currents with the same direction of rotation.
The step coil 7 is connected to the pressure arm 5 through the first connection portion 82, the second connection portion 86, the third connection portion 92 and the fourth connection portion 96 and can be connected to an alternating current power supply, but magnetic fields formed by the two vertical coils must be superposed, and the magnetic fields can be adjusted by self in specific operation and are not necessarily hard to be specified, and only axial eddy current can be formed on the connection shaft all the time.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.
Claims (5)
1. A quenching device for an automobile connecting shaft is characterized in that: including elevating platform (1), elevating platform (1) upside is provided with rotatable mounting groove (2), mounting groove (2) upside is provided with induction coil (3), elevating platform (1) other is provided with the upset and compresses tightly jar (4), the upset compresses tightly and is provided with pressure arm (5) on jar (4), pressure arm (5) tip is provided with thimble (6) and step face coil (7), step face coil (7) with induction coil (3) are corresponding, thimble (6) are located be used for compressing tightly rotatory connecting axle in the middle of step face coil (7), step face coil (7) are including first vertical coil (8) and the vertical coil of second (9) that the symmetry set up, first vertical coil (8) and the vertical coil of second (9) are used for the inside axial vortex that forms of connecting axle.
2. The quenching device for the automobile connecting shaft as claimed in claim 1, wherein: the first vertical coil (8) is formed by bending and extending a first lead, the first lead extends downwards to form a first connecting part (82), the first connecting part (82) rotates anticlockwise to form a first limiting part (83), the first limiting part (83) bends downwards to form a first backflow part (84), the first backflow part (84) rotates clockwise to form a second limiting part (85), the second limiting part (85) bends upwards to form a second connecting part (86), the first connecting part (82) and the second connecting part (86) are attached side by side, and the second connecting part (86) and the first backflow part (84) are parallel to each other;
the vertical coil of second (9) is buckled and is extended by the second wire and form, the second wire downwardly extending forms third connecting portion (92), third connecting portion (92) clockwise rotation forms spacing portion of third (93), spacing portion of third (93) is buckled downwards and is formed second backward flow portion (94), spacing portion of second backward flow portion (94) anticlockwise rotation forms spacing portion of fourth (95), spacing portion of fourth (95) is buckled upwards and is formed fourth connecting portion (96), third connecting portion (92) with fourth connecting portion (96) are laminated side by side, fourth connecting portion (96) with second backward flow portion (94) are parallel to each other.
3. The quenching device for the automobile connecting shaft as claimed in claim 2, wherein: the first return portion (84) and the second return portion (94) are parallel to each other, and the second connection portion (86) and the fourth connection portion (96) are parallel to each other.
4. The quenching device for the automobile connecting shaft as claimed in claim 2, wherein: the step surface coil (7) is connected to the pressure arm (5) through the first connecting portion (82), the second connecting portion (86), the third connecting portion (92) and the fourth connecting portion (96) and can be connected with an alternating current power supply.
5. The quenching device for the automobile connecting shaft as claimed in claim 2, wherein: the second connecting portion (86) may also be directly connected to the third stopper portion (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220573168.1U CN217324208U (en) | 2022-03-16 | 2022-03-16 | Quenching device for automobile connecting shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220573168.1U CN217324208U (en) | 2022-03-16 | 2022-03-16 | Quenching device for automobile connecting shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217324208U true CN217324208U (en) | 2022-08-30 |
Family
ID=83001243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220573168.1U Active CN217324208U (en) | 2022-03-16 | 2022-03-16 | Quenching device for automobile connecting shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217324208U (en) |
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2022
- 2022-03-16 CN CN202220573168.1U patent/CN217324208U/en active Active
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