CN210065851U - Sprocket wheel shaft quenching device - Google Patents
Sprocket wheel shaft quenching device Download PDFInfo
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- CN210065851U CN210065851U CN201920761620.5U CN201920761620U CN210065851U CN 210065851 U CN210065851 U CN 210065851U CN 201920761620 U CN201920761620 U CN 201920761620U CN 210065851 U CN210065851 U CN 210065851U
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- quenching
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- sprocket wheel
- sprocket
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Abstract
The utility model discloses a quenching device for a sprocket wheel shaft, which comprises a base and a quenching induction mechanism, wherein the base is used for supporting a sprocket wheel workpiece, a connecting key is arranged on a connecting shaft on the base and is connected with a key groove of an inner hole of a sprocket wheel, so that the sprocket wheel workpiece can be prevented from rotating; induction coils of the quenching induction mechanism are overlapped up and down to form a quenching area, and the axial side face of the wheel shaft can be quenched; the utility model discloses can realize the quenching of two axial sides, stable in structure, easy operation can effectively improve the wearability and the intensity hardness of sprocket shaft, effectively improve the life of sprocket.
Description
Technical Field
The utility model belongs to the technical field of equipment for heat treatment, especially, relate to a sprocket shaft guenching unit.
Background
The quenching is matched with tempering at different temperatures, so that the rigidity, hardness, wear resistance, fatigue strength, toughness and the like of the steel can be greatly improved, and different use requirements of various mechanical parts and tools are met. For the chain wheel workpiece, two axial side faces can be machined on the wheel shaft of the chain wheel workpiece and used for connecting and positioning, the two side faces are easy to wear, the strength of the wheel shaft is influenced, and the service life of the chain wheel is shortened. Therefore, a quenching device is needed for quenching the axial side surface of the sprocket wheel shaft.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a sprocket shaft guenching unit can quench two axial sides of sprocket shaft, improves its wearability and intensity.
A sprocket wheel axle quench block comprising:
the upper end of the base is provided with a connecting shaft, the connecting shaft extends into a through hole of the chain wheel workpiece, the outer side of the connecting shaft is provided with a connecting key, and the connecting key is inserted into a key groove of the through hole of the chain wheel workpiece and used for preventing the chain wheel workpiece from rotating;
the quenching induction mechanism is used for carrying out induction quenching on the axial side face of the wheel shaft of the chain wheel workpiece and comprises two induction coils and two magnetizers, the parts of the two induction coils, which act on the axial side face, are vertically overlapped and bent to form a quenching area, the magnetizers are symmetrically arranged on the induction coils at the quenching area, the axial side face is arranged in the quenching area, and the magnetizers and the axial side face are oppositely arranged.
Preferably, in the above technical scheme, the quenching action area of the magnetizer and the induction coil is larger than the area of the axial side surface.
Above technical scheme is preferred, the axial side is the rectangle, the height of magnetizer is greater than the axial dimension of axial side, the length of magnetizer is greater than another size of axial side.
Above technical scheme is preferred, the magnetizer include a vertical body and with two levels that both ends are connected about the vertical body, the medial surface of vertical body with induction coil's lateral surface contact, the vertical side of level body with induction coil's medial surface aligns.
According to the preferable technical scheme, a certain distance is arranged between the inner side surface of the induction coil and the axial side surface.
Preferably, in the above technical solution, the quenching area is rectangular.
Above technical scheme is preferred, it is located on the base the lower extreme of connecting axle is equipped with the recess, the diameter of recess is greater than the addendum circle diameter of the sprocket of sprocket work piece.
The utility model has the advantages and positive effects that: the utility model provides a quenching device for a sprocket wheel shaft, which comprises a base and a quenching induction mechanism, wherein the base is used for supporting a sprocket wheel workpiece, a connecting key is arranged on a connecting shaft on the base and is connected with a key groove of an inner hole of a sprocket wheel, so that the sprocket wheel workpiece can be prevented from rotating; induction coils of the quenching induction mechanism are overlapped up and down to form a quenching area, and the axial side face of the wheel shaft can be quenched; the utility model discloses can realize the quenching of two axial sides, stable in structure, easy operation can effectively improve the wearability and the intensity hardness of sprocket shaft, effectively improve the life of sprocket.
Drawings
FIG. 1 is a front view of a sprocket work piece;
FIG. 2 is a top view of a sprocket work piece;
FIG. 3 is a front view of a first state of the quenching apparatus according to an embodiment of the present invention;
FIG. 4 is a plan view of a first state of the quenching apparatus according to an embodiment of the present invention;
fig. 5 is a front view of a base according to an embodiment of the present invention;
fig. 6 is a top view of a base according to an embodiment of the present invention;
fig. 7 is a front view of a quenching induction mechanism according to an embodiment of the present invention;
fig. 8 is a top view of a quench induction mechanism according to an embodiment of the present invention;
FIG. 9 is a sectional view A-A of FIG. 8;
fig. 10 is a front view of a second state of the quenching apparatus according to an embodiment of the present invention.
Wherein: 1. a sprocket work piece; 2. a base; 3. a quenching induction mechanism; 11. a sprocket; 12. a wheel axle; 13. an axial side; 14. a through hole; 15. a keyway; 21. a connecting shaft; 22. a connecting bond; 23. a groove; 31. an induction coil; 32. a quenching area; 33. a magnetizer; 331. a vertical body; 332. a horizontal body.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The structure of the sprocket workpiece 1 is shown in fig. 1 and 2, and comprises a sprocket 11, an axle 12, two opposite axial side surfaces 13 axially arranged on the axle, a through hole 14 and a key groove 15 communicated with the through hole, wherein the axial side surfaces 13 are used for positioning connection, are easy to wear and affect the strength and fatigue of the axle 12. In order to improve the wear resistance, hardness and strength of the axial side surface, the embodiment provides a sprocket wheel shaft quenching device, as shown in fig. 3 and 4, which comprises a base 2 and a quenching induction mechanism 3, wherein the base 2 supports a sprocket wheel workpiece 1, the lower end of the base 2 is connected with an existing jacking mechanism, and the jacking mechanism moves to drive the base 2 and the sprocket wheel workpiece 1 thereon to move up and down; the quenching induction mechanism 3 is used for induction quenching of the two axial side surfaces 13. As shown in fig. 5 and 6, the upper end of the base 2 is provided with a connecting shaft 21, the connecting shaft 21 extends into the through hole 14 of the sprocket workpiece 1, the outer side of the connecting shaft 21 is provided with a connecting key 22, and the connecting key 22 is inserted into the key groove 15 of the sprocket workpiece 1 for preventing the sprocket workpiece 1 from rotating; the base 2 is provided with a groove 23 at the lower end of the connecting shaft 21, and the diameter of the groove 23 is larger than the diameter of the addendum circle of the chain wheel 11 of the chain wheel workpiece 1. As shown in fig. 7 and 8, the quenching induction mechanism 3 includes two induction coils 31 and two magnetizers 33, the portions of the two induction coils 31 acting on the axial side surface 13 are overlapped and bent up and down to form a quenching area 32, the magnetizers 33 are symmetrically arranged on the induction coils 31 at the quenching area 32, the axial side surface 13 is arranged in the quenching area 32, and the magnetizers 33 are arranged opposite to the axial side surface 13.
To avoid missed quenching, the quenching action area of the magnetizer 33 and the induction coil 31 is larger than the area of the axial side surface 13. In this embodiment, the axial side 13 is rectangular, the height of the magnetic conductor 33 is greater than the axial dimension of the axial side 13, and the length of the magnetic conductor 33 is greater than the other dimension of the axial side 13.
As shown in fig. 9, the magnetic conductor 33 includes a vertical body 331 and two horizontal bodies 332 connected to the upper and lower ends of the vertical body 331, wherein the inner side surface of the vertical body 331 contacts the outer side surface of the induction coil 31, and the vertical side surface of the horizontal body 332 is aligned with the inner side surface of the induction coil 31. A certain distance is provided between the inner side surface of the induction coil 31 and the axial side surface 13. The magnetizer 33 is bonded to the induction coil 31 through a silicon steel sheet. In order to achieve a uniform quenching, the quenching zone 32 is rectangular, and the induction coil 31 and the magnetic conductor 33 are arranged substantially parallel to the axial side 13.
The working process of the embodiment: one end of the chain wheel workpiece 1, provided with the chain wheel 11, is downwards placed on the groove 23 of the base 2, the lower end of the base 2 is connected with the existing jacking mechanism to realize up-and-down movement, the height of the base 2 is adjusted, two axial side surfaces 13 of the chain wheel workpiece 1 and the induction coil 31 are located at proper positions, and the lower end surface of the magnetizer 33 is about 1.5-3.5mm away from the tooth part of the chain wheel 11. After adjustment, the sprocket work piece 1 assembly is in state one as shown in FIG. 3. And starting heating, wherein after 3-5 seconds, the base 2 moves downwards by 8-12mm, the chain wheel workpiece 1 is in a state II as shown in figure 10, after heating is continued for 2-4 seconds, the base 2 continues to move downwards, and the water pipe sprays water to quickly cool the chain wheel workpiece 1. And after quenching is finished, taking away the chain wheel workpiece 1.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (7)
1. A sprocket wheel axle quenching device is characterized by comprising:
the upper end of the base is provided with a connecting shaft, the connecting shaft extends into a through hole of the chain wheel workpiece, the outer side of the connecting shaft is provided with a connecting key, and the connecting key is inserted into a key groove of the through hole of the chain wheel workpiece and used for preventing the chain wheel workpiece from rotating;
the quenching induction mechanism is used for carrying out induction quenching on the axial side face of the wheel shaft of the chain wheel workpiece and comprises two induction coils and two magnetizers, the parts of the two induction coils, which act on the axial side face, are vertically overlapped and bent to form a quenching area, the magnetizers are symmetrically arranged on the induction coils at the quenching area, the axial side face is arranged in the quenching area, and the magnetizers and the axial side face are oppositely arranged.
2. The sprocket wheel axle quench device of claim 1, wherein: the quenching action area of the magnetizer and the induction coil is larger than the area of the axial side face.
3. The sprocket wheel axle quench device of claim 2, wherein: the axial side surface is rectangular, the height of the magnetizer is greater than the axial size of the axial side surface, and the length of the magnetizer is greater than the other size of the axial side surface.
4. The sprocket wheel axle quench device of claim 1, wherein: the magnetizer comprises a vertical body and two horizontal bodies connected with the upper end and the lower end of the vertical body, the inner side surface of the vertical body is contacted with the outer side surface of the induction coil, and the vertical side surface of the horizontal body is aligned with the inner side surface of the induction coil.
5. The sprocket wheel axle quench device of claim 4, wherein: and a certain distance is reserved between the inner side surface of the induction coil and the axial side surface.
6. The sprocket wheel axle quench device of claim 1, wherein: the quenching area is rectangular.
7. The sprocket wheel axle quench device of claim 1, wherein: the base is provided with a groove at the lower end of the connecting shaft, and the diameter of the groove is larger than the diameter of the addendum circle of the chain wheel workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920761620.5U CN210065851U (en) | 2019-05-24 | 2019-05-24 | Sprocket wheel shaft quenching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920761620.5U CN210065851U (en) | 2019-05-24 | 2019-05-24 | Sprocket wheel shaft quenching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210065851U true CN210065851U (en) | 2020-02-14 |
Family
ID=69454402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920761620.5U Active CN210065851U (en) | 2019-05-24 | 2019-05-24 | Sprocket wheel shaft quenching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210065851U (en) |
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2019
- 2019-05-24 CN CN201920761620.5U patent/CN210065851U/en active Active
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