CN217733216U - Adjustable spiral bevel gear quenching clamp - Google Patents
Adjustable spiral bevel gear quenching clamp Download PDFInfo
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- CN217733216U CN217733216U CN202221324295.4U CN202221324295U CN217733216U CN 217733216 U CN217733216 U CN 217733216U CN 202221324295 U CN202221324295 U CN 202221324295U CN 217733216 U CN217733216 U CN 217733216U
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- spiral bevel
- bevel gear
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Abstract
The utility model provides an adjustable spiral bevel gear quenches anchor clamps, relates to the technical field that the gear quenches, and its structure is: the gear die comprises a base, an upper cover body, a gear die and a fixing device, wherein an upper through hole is formed in the top of the upper cover body, a lower through hole is formed in the bottom of the base, a cavity is formed between the base and the upper cover body, the gear die is arranged in the cavity, and the gear die is movably arranged in the cavity; the base and the upper cover body are fixedly connected through a fixing device. The beneficial effects of the utility model reside in that: simple structure, convenient to use, at the in-process that spiral bevel gear quenches, the suitable gear mould of cooperation can be comparatively steady go on and can effectively control the deformation of treating thermal treatment spiral bevel gear tooth portion in the cooling process, and gear mould is removable, uses more in a flexible way, through side fixing device, can avoid punching fixedly on base and upper cover body, can guarantee the intensity of quenching anchor clamps.
Description
Technical Field
The utility model relates to a technical field that the gear quenches especially relates to an adjustable spiral bevel gear quenches anchor clamps.
Background
Generally, the spiral bevel gear is made of low-carbon high-quality alloy steel and needs to be carburized and quenched, the spiral bevel gear is heated to a temperature above a critical temperature during quenching, the temperature is kept for a certain time, and then the spiral bevel gear is cooled at a cooling speed higher than the critical cooling speed, so that an unbalanced structure mainly comprising martensite (bainite can be obtained or single-phase austenite can be kept according to needs) is obtained. In order to solve the deformation problem in the quenching process, a quenching press is basically adopted, deformation is controlled by pressing an end face during quenching, the method can control deformation of a large end face, but deformation of the tooth part of the arc-tooth bevel gear, hole and excircle ovality cannot be controlled, a quenching clamp is also arranged at present, but a gear die groove of the quenching clamp is fixed and cannot be flexibly used.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides an adjustable spiral bevel gear quenching clamp, which solves the deformation problem of the spiral bevel gear in the quenching process.
The utility model provides an adjustable spiral bevel gear quenches anchor clamps, its structure is: the gear die comprises a base, an upper cover body, a gear die and a fixing device, wherein an upper through hole is formed in the top of the upper cover body, a lower through hole is formed in the bottom of the base, a cavity is formed between the base and the upper cover body, the gear die is arranged in the cavity, and the gear die is movably arranged in the cavity; the base and the upper cover body are fixedly connected through a fixing device.
The improved structure is characterized in that annular grooves are respectively formed in the top and the bottom of the base and the top of the upper cover body, a fixing clamp ring B is arranged at the bottom of the upper cover body, and the fixing clamp ring B corresponds to the annular groove in the top of the base.
The fixing device comprises a lower fixing frame, an upper fixing plate, a screw rod and a nut, wherein the lower fixing frame is L-shaped, the top of the lower fixing frame is provided with the screw rod, the upper fixing plate is provided with a movable hole, and the screw rod penetrates through the movable hole of the upper fixing plate and is in threaded connection with the nut.
A fixed clamping ring A is arranged at the top of the bottom plate of the lower fixing frame and corresponds to the annular groove at the bottom of the base; the bottom of an upper fixing plate is provided with a fixing clamp ring C, and the fixing clamp ring C corresponds to the annular groove in the top of the upper cover body.
And a hanging ring is arranged at the top end of the screw rod.
The gear mold is characterized in that the outer wall of the gear mold is tightly attached to the inner wall of the base, a gear mold groove is formed in the inner wall of the gear mold, the gear mold groove can be formed according to the size of a gear, and the size of the outer wall of the gear mold is matched with the size of the inner wall of the base.
The fixing device is provided with more than 2.
The utility model discloses a use method does: firstly, heating a spiral bevel gear to be subjected to heat treatment to a temperature above a critical temperature, preserving heat for a certain time, and cooling; before cooling, opening the base and the upper cover body, placing a gear mold with matched size in the base, slowly placing the spiral bevel gear to be thermally treated into a gear mold groove of the base, covering the upper cover body, and fixing the spiral bevel gear through a fixing device; after the work is finished, the gear can be cooled; at this time, the device is hung into the cooling medium by a chain hook matched with a hanging ring.
The beneficial effects of the utility model reside in that: simple structure, convenient to use, at the in-process that spiral bevel gear quenches, the suitable gear mould of cooperation can be comparatively steady go on and can effectively control the deformation of treating thermal treatment spiral bevel gear tooth portion in the cooling process, and gear mould is removable, uses more in a flexible way, through side fixing device, can avoid punching fixedly on base and upper cover body, can guarantee the intensity of quenching anchor clamps.
Drawings
FIG. 1 is a front sectional view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a side view of the present invention;
FIG. 4 is a top view of the internal structure of the present invention;
in the figure: 1. the gear mold comprises a base, 11, a lower through hole, 2, an upper cover body, 21, an upper through hole, 3, a gear mold, 31, a gear mold groove, 4, a fixing device, 41, a lower fixing frame, 42, a screw rod, 43, an upper fixing plate, 44, a nut, 45, a hanging ring, 5, an annular groove, 51, a fixing clamp ring A,52, a fixing clamp ring B,53 and a fixing clamp ring C.
Detailed Description
Example 1
As shown in fig. 1-4, the utility model provides an adjustable spiral bevel gear quenching clamp, the structure is: the gear mold comprises a base 1, an upper cover body 2, a gear mold 3 and a fixing device 4, wherein an upper through hole 21 is formed in the top of the upper cover body 2, a lower through hole 11 is formed in the bottom of the base 1, a cavity is formed between the base 1 and the upper cover body 2, the gear mold 3 is arranged in the cavity, and the gear mold is movably arranged in the cavity; the base 1 and the upper cover 2 are fixedly connected through a fixing device 4.
The fixing device 4 comprises a lower fixing frame 41, an upper fixing plate 43, a screw rod 42 and a nut 44, wherein the lower fixing frame 41 is L-shaped, the top of the lower fixing frame 41 is provided with the screw rod 42, the upper fixing plate 43 is provided with a movable hole, and the screw rod 42 penetrates through the movable hole of the upper fixing plate 43 and is in threaded connection with the nut 44.
A fixed clamping ring A51 is arranged at the top of the bottom plate of the lower fixing frame 41, and the fixed clamping ring A51 corresponds to the annular groove 5 at the bottom of the base 1; the bottom of the upper fixing plate 43 is provided with a fixing snap ring C53, and the fixing snap ring C53 corresponds to the annular groove 5 at the top of the upper cover body 2.
The top end of the screw rod 42 is provided with a hanging ring 45.
The outer wall of the gear mold 3 is tightly attached to the inner wall of the base 1, a gear mold groove 31 is formed in the inner wall of the gear mold 3, the gear mold 3 can be provided with the gear mold groove 31 according to the size of a gear, and the size of the outer wall of the gear mold 3 is matched with the size of the inner wall of the base 1.
The number of the fixing devices 4 is 2.
Firstly, heating a spiral bevel gear to be subjected to heat treatment to a temperature above a critical temperature, preserving heat for a certain time, and cooling; before cooling, opening the base 1 and the upper cover body 2, placing a gear mold 3 with matched size in the base 1, slowly placing the spiral bevel gear to be heat-treated into a gear mold groove 31 of the base 1, covering the upper cover body 2, and fixing through a fixing device 4; after the work is finished, the gear can be cooled; the device is then suspended in the cooling medium by means of the chain hook in cooperation with the lifting ring 45.
Claims (7)
1. The utility model provides an adjustable spiral bevel gear quenches anchor clamps which characterized in that: the gear die is arranged in the cavity, and is movably arranged in the cavity; the base and the upper cover body are fixedly connected through a fixing device.
2. The adjustable spiral bevel gear quenching clamp as claimed in claim 1, wherein: the improved structure is characterized in that annular grooves are respectively formed in the top and the bottom of the base and the top of the upper cover body, a fixing clamp ring B is arranged at the bottom of the upper cover body, and the fixing clamp ring B corresponds to the annular groove in the top of the base.
3. The adjustable spiral bevel gear quenching clamp of claim 2, wherein: the fixing device comprises a lower fixing frame, an upper fixing plate, a screw rod and a nut, wherein the lower fixing frame is L-shaped, the top of the lower fixing frame is provided with the screw rod, the upper fixing plate is provided with a movable hole, and the screw rod penetrates through the movable hole of the upper fixing plate and is in threaded connection with the nut.
4. The adjustable spiral bevel gear quenching clamp of claim 3, wherein: a fixed clamping ring A is arranged at the top of the bottom plate of the lower fixing frame and corresponds to the annular groove at the bottom of the base; the bottom of an upper fixing plate is provided with a fixing clamp ring C, and the fixing clamp ring C corresponds to the annular groove in the top of the upper cover body.
5. The adjustable spiral bevel gear quenching clamp of claim 4, wherein: and a hanging ring is arranged at the top end of the screw rod.
6. The adjustable spiral bevel gear quenching clamp of claim 5, wherein: the gear mold is characterized in that the outer wall of the gear mold is tightly attached to the inner wall of the base, a gear mold groove is formed in the inner wall of the gear mold, the gear mold groove can be formed according to the size of a gear, and the size of the outer wall of the gear mold is matched with the size of the inner wall of the base.
7. The adjustable spiral bevel gear quenching clamp of claim 6, wherein: the fixing device is provided with more than 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221324295.4U CN217733216U (en) | 2022-05-30 | 2022-05-30 | Adjustable spiral bevel gear quenching clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221324295.4U CN217733216U (en) | 2022-05-30 | 2022-05-30 | Adjustable spiral bevel gear quenching clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217733216U true CN217733216U (en) | 2022-11-04 |
Family
ID=83838613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221324295.4U Active CN217733216U (en) | 2022-05-30 | 2022-05-30 | Adjustable spiral bevel gear quenching clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217733216U (en) |
-
2022
- 2022-05-30 CN CN202221324295.4U patent/CN217733216U/en active Active
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