CN201896186U - Carburizing and quenching equipment for gear shafts - Google Patents
Carburizing and quenching equipment for gear shafts Download PDFInfo
- Publication number
- CN201896186U CN201896186U CN2010206134948U CN201020613494U CN201896186U CN 201896186 U CN201896186 U CN 201896186U CN 2010206134948 U CN2010206134948 U CN 2010206134948U CN 201020613494 U CN201020613494 U CN 201020613494U CN 201896186 U CN201896186 U CN 201896186U
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- gear shaft
- carburizing
- shaft
- axle sleeve
- shaft sleeve
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Abstract
The utility model relates to carburizing and quenching equipment for gear shafts. The carburizing and quenching equipment comprises a shaft sleeve, wherein one end of the shaft sleeve is open, and the other end of the shaft sleeve is provided with an end cover; the shaft sleeve is a low-carbon steel shaft sleeve; and the length iota of the inner sleeve of the shaft sleeve is 15 mm to 100 mm, the sleeve wall thickness beta of the shaft sleeve is 8 mm to 20 mm, and the end cover thickness delta of the shaft sleeve is 30 mm to 50 mm. By adopting the shaft sleeve, the carburizing and quenching equipment can prevent quenching oil from entering the two sides of a gear shaft body which needn't be quenched, so as to reduce the rigidity of the gear shaft body which needs post machine processing; and the carburizing and quenching equipment is not only convenient to operate, but also dispenses with the method that the process redundancy of a gear shaft is increased to reduce the shaft body rigidity of a post-processed part of the gear shaft, thereby improving the utilization ratio of materials, reducing the working hours of processing, considerably reducing the wear and tear of cutting tools, reasonably simplifying the gear shaft processing procedures, improving the processing efficiency, and lowering the gear shaft processing cost.
Description
Technical field
The utility model relates to a kind of gear shaft class carburizing and quenching frock, belongs to gear shaft thermal treatment auxiliary mould technical field.
Background technology
The gear axial workpiece is one of driving parts commonly used in speed reduction unit and the transmission rig, is mainly used to support the transmission component and transmits moment of torsion and carry load.Common gear shaft comprises compositions such as cylindrical surface, the shaft shoulder, screw thread, spiral shell tail relief groove, keyway and gear, the shaft shoulder generally is used for determining to be installed in the axial location of parts on shaft, each annular groove has a correct position in the time of making the part assembling, and withdrawing is convenient when making in the processing grinding cylindrical or cutting thread, keyway is used for fitting key, with transmitting torque; Outside screw is used to install various set nuts and adjusts nut, and internal thread is used to connect other parts.In the course of processing of gear axial workpiece, at first forging stock is carried out the rough gear shaft of machining, for obtaining certain intensity, toughness and wear resistance, also need gear shaft carried out a series of thermal treatments such as modified, quenching, tempering, at last the gear shaft after the thermal treatment is carried out the machining processes of postorder again, carry out grinding and tapping, boring or on axle journal, process outside nut etc. as axle body to gear shaft.Gear shaft is through behind the carburizing and quenching, improved the overall mechanical strength of gear shaft, though by temper, to reach the requirement of easy processing, but the axle body hardness of gear shaft is subjected to surface cementation or the very high factor of material hardening capacity own, tends to cause the hardness of axle body core very high.Therefore in the course of processing of gear shaft, the process redundancy after must quenching by increase solves the problem of postorder machining difficulty.Billet size owing to gear shaft increases the utilization ratio that reduces material on the one hand, and on the other hand because of after the thermal treatment, gear shaft still is difficult to reduce core hardness, causes machining man-hour and cutter to waste in a large number, and increases the tooling cost of gear shaft.
Summary of the invention
The purpose of this utility model provides a kind of rational in infrastructure, and is easy for installation, and manufacturing procedure is simple, can subtract the gear shaft class carburizing and quenching frock of falling tooling cost.
The utility model is that the technical scheme that achieves the above object is: a kind of gear shaft class carburizing and quenching frock is characterized in that: comprise that an end opening, the other end have the axle sleeve of end cap, and axle sleeve is the soft steel axle sleeve.
Wherein: the long ι of interior cover of described axle sleeve is at 15～100mm, and the jacket wall thickness β of axle sleeve is at 8～20mm, and the ending cover thickness δ of axle sleeve is at 30～50mm.
The end cap of described axle sleeve is provided with a draining hole at least.
The utility model adopts an end opening, the other end has the axle sleeve of end cap as the quenching frock, simple in structure, easily manufactured, the endoporus of axle sleeve directly is enclosed within the end of gear shaft, can come the axle body and the two axial ends of shading teeth wheel shaft both sides by axle sleeve, in quenching process, avoid quenching oil to enter gear shaft and do not need the axle body place, both sides of quenching, therefore can reduce the hardness that needs machining axle body in back on the gear shaft, not only easy to operate, and need not to reduce the axle body hardness of gear shaft post-treatment section by the process redundancy that amplifies gear shaft, improved the utilization ratio of material, reduce amount of finish, also reduced the loss of cutter significantly, as drill bit, the usage quantity of screw tap is rationally simplified the manufacturing procedure of gear shaft, improve working (machining) efficiency, save machining period, reduced the tooling cost of gear shaft.The utility model adopts the soft steel axle sleeve of low hardening capacity, so axle sleeve can not cause the cracking after the quenching because of carbon content is too high, the distortion of axle sleeve in the heat-treatment quenching process is very little in addition, therefore can repeatability use, especially behind the life-time service, only need simply axle sleeve to be carried out the turning maintaining, maintenance cost is very low.Axle sleeve of the present utility model can be according to the size of quenching workpiece and the hardening capacity difference of material, and by regulating long length, jacket wall thickness and the ending cover thickness of interior cover of axle sleeve, with the hardness of pinion axle post-treatment, control is convenient.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the A-A sectional structure synoptic diagram of Fig. 1.
Wherein: 1-axle sleeve, 2-end cap, 3-draining hole.
Embodiment
See shown in Figure 1, gear shaft class carburizing and quenching frock of the present utility model, the axle sleeve 1 that comprise-end opening, the other end has end cap, the diameter of axle of the gear shaft diaxon side of the endoporus of axle sleeve 1 and required quenching matches.Axle sleeve 1 of the present utility model is the soft steel axle sleeve, this axle sleeve 1 adopts low-carbon steel materials such as Q195, Q215, Q235 and Q255 to make, manufacturing price is cheap, when making axle sleeve 1, the bar of soft steel can be cut desired size, carrying out turning according to desired size again shapes and gets final product, needn't forge and thermal treatment, manufacturing procedure is simple, the hardening capacity of the utility model soft steel axle sleeve is relatively poor, therefore can recycle, but also because of carbon content can too highly not cause the back cracking that quenches, the work-ing life of raising axle sleeve.
See shown in Figure 1, the long ι of interior cover of the utility model axle sleeve 1 is at 15～100mm, the jacket wall thickness β of axle sleeve is at 8～20mm, the end cap 2 thickness δ of axle sleeve are at 30～50mm, preferably the long ι of interior cover of this axle sleeve 1 is at 20～50mm, and the jacket wall thickness β of axle sleeve 1 is at 10～15mm, and the end cap 2 thickness δ of axle sleeve 1 are at 35～45mm, therefore can be according to the size and the material through hardening performance difference of quenching workpiece, the size of control axle sleeve is to satisfy the gear shaft of different size and material.
The utility model is in time collected for a small amount of quenching oil that will enter in the axle sleeve 1, avoids causing quenching oil to overstock and waste, and the end cap 2 of axle sleeve 1 is provided with draining hole 3, and the aperture of 2～4mm can be adopted in this draining hole 3.
When gear shaft quenches, axle sleeve 1 is enclosed within the both end sides of gear shaft, the endoporus and the diameter of axle of axle sleeve 1 match, and having the axle sleeve in draining hole 3, blind end is placed on the lower end, avoid quenching oil to enter in a large number not needing the quenching axle body of workpiece, gear shaft is put into quenching oil, carry out heating and cooling on request, make gear shaft reach required hardness requirement, by the axle body and the two axial ends of axle sleeve 1 shading teeth wheel shaft both sides, because the hardening capacity of axle sleeve 1 is relatively poor, in addition by axle sleeve 1 shading teeth, can reduce the hardness that needs machining axle body in back on the gear shaft effectively, and improve working (machining) efficiency.
Claims (3)
1. a gear shaft class carburizing and quenching frock is characterized in that: comprise that an end opening, the other end have the axle sleeve of end cap (2) (1), and axle sleeve (2) is the soft steel axle sleeve.
2. the gear shaft class carburizing and quenching frock that is used for according to claim 1, it is characterized in that: the long ι of interior cover of described axle sleeve (1) is at 15～100mm, the jacket wall thickness β of axle sleeve (1) is at 8～20mm, and end cap (2) the thickness δ of axle sleeve (1) is at 30～50mm.
3. the gear shaft class carburizing and quenching frock that is used for according to claim 1 and 2 is characterized in that: the end cap (2) of described axle sleeve (1) is provided with draining hole (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206134948U CN201896186U (en) | 2010-11-09 | 2010-11-09 | Carburizing and quenching equipment for gear shafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206134948U CN201896186U (en) | 2010-11-09 | 2010-11-09 | Carburizing and quenching equipment for gear shafts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201896186U true CN201896186U (en) | 2011-07-13 |
Family
ID=44254100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206134948U Expired - Fee Related CN201896186U (en) | 2010-11-09 | 2010-11-09 | Carburizing and quenching equipment for gear shafts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201896186U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591265A (en) * | 2013-11-29 | 2014-02-19 | 重庆清平机械厂 | Wind power output gear shaft spline seepage-proofing method |
| CN109735793A (en) * | 2019-02-20 | 2019-05-10 | 上海春玉金属热处理有限公司 | A kind of speed changer tapered sleeve carburizing and quenching method and its tooling |
-
2010
- 2010-11-09 CN CN2010206134948U patent/CN201896186U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591265A (en) * | 2013-11-29 | 2014-02-19 | 重庆清平机械厂 | Wind power output gear shaft spline seepage-proofing method |
| CN109735793A (en) * | 2019-02-20 | 2019-05-10 | 上海春玉金属热处理有限公司 | A kind of speed changer tapered sleeve carburizing and quenching method and its tooling |
| CN109735793B (en) * | 2019-02-20 | 2020-11-10 | 上海春玉金属热处理有限公司 | Carburizing and quenching heat treatment method for transmission taper sleeve and tool thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110713 Termination date: 20161109 |