CN202465805U - Thermal treatment clamp of gearbox cone hub - Google Patents
Thermal treatment clamp of gearbox cone hub Download PDFInfo
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- CN202465805U CN202465805U CN2012200849170U CN201220084917U CN202465805U CN 202465805 U CN202465805 U CN 202465805U CN 2012200849170 U CN2012200849170 U CN 2012200849170U CN 201220084917 U CN201220084917 U CN 201220084917U CN 202465805 U CN202465805 U CN 202465805U
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Abstract
The utility model discloses a thermal treatment clamp of a gearbox cone hub. The thermal treatment clamp comprises an upper pedestal, a lower pedestal and a pressure screw, wherein the centers of the upper pedestal and the lower pedestal are correspondingly provided with through holes which are matched with the pressure screw; a workpiece is sleeved on the pressure screw and is compacted and fixedly arranged between the upper pedestal and the lower pedestal; and the upper pedestal and the lower pedestal are provided with drainage holes for draining a quenching medium into the workpiece respectively. By adopting the thermal treatment clamp of the gearbox cone hub, carburization and pressure quenching can be simultaneously performed on a plurality of gearbox cone hubs, the thermal treatment quality of a gearbox cone hub product can be guaranteed, the production efficiency is increased, and the energy consumption is reduced.
Description
Technical field
The utility model relates to a heat treatment auxiliary device, in particular for a method for heat treatment of grain gearbox cone fixture.
Background technology
Common wheel box awl hub press quenching mode is in cementing furnace, in normal temperature, to cool off after the carburizing, more cooled awl hub is put into special-purpose box type heater second-heating, and second-heating not only causes the secondary energy consumption; And in second-heating, be the awl hub decarburization that prevents carburizing, also must charge into shielding gas, further increased cost and consumption; Worst is in the press quenching operation after second-heating; Once can only quench one (single station quenching press price is about 300,000 yuan), when using two stations or three station quenching press, also can only be that station carries out press quenching one by one; Inefficiency not only; And since heat-up time longer heated parts actual decarburization relatively more serious, the quenching hardness of the awl hub that comes out through press quenching has descended more, all ten minutes is unfavorable with the life-span to quality product.
In view of this, the utility model to explore a bevel gearbox heat treatment jig valley, the gearbox by using a heat treatment jig grain cone not only to achieve the multi-member transmission cone valleys and pressure carburizing quenching simultaneously, but also to guarantee Transmission quality of heat treatment of products cone Valley and improve the production efficiency and reducing energy consumption.
Summary of the invention
The invention solves the technical problem is to provide a heat treatment jig gear bevel valleys, the utility model by using grain heat transmission cone clamp member not only to achieve the multi-cone valleys both gearbox and pressure carburizing quenching, and can Bevel gearbox ensure the quality of grain products, heat treatment, and improve production efficiency and reduce energy consumption.
To achieve the above technical purposes, the utility model as a heat transmission cone valley fixture includes a fixed workpiece clamping down on the base and the base, as well as for the pressure suit workpiece screw, said upper base and lower base a center corresponding to a pressure screw cooperating with said through-holes of the upper base and a lower base, respectively, for the quenching medium to the internal parts of the drainage drainage holes.
Further, said upper bed-plate, lower bottom base and pressure screw bolt all adopt heat-resistance stainless steel to process;
Further, the side that is used for workpiece pressing on said upper bed-plate and the lower bottom base is the circle of diameter greater than diameter of work;
Further, the side that is used for workpiece pressing on said upper bed-plate and the lower bottom base is grow up square in diameter of work of minimum edge.
The beneficial effect of the utility model is:
The utility model bevel gearbox grain heat treatment jig base by setting the upper and lower base bevel gearbox valley of multiple overlapping clamping workpieces together, and in the upper and lower base were set on the base for drainage to the internal parts quenching medium drainage hole, with compression nut pressed and fixed, placed in a furnace carburizing carburizing and quenching pressure together, due to the base and the lower base effect, prevents the workpiece in the carburizing and quenching deformation occurred during ensure the quality of heat treatment;
Using the utility model gearbox bevel gearbox grain heat treatment jig cone valley heat methods are: grain workpieces gearbox cone clamping fixture After heat treatment, into the carburizing carburizing furnace, carburizing completed without cooling the workpiece, the workpiece directly into the quench hardening in oil pressure, the use of a heat treatment jig Valley gearbox cone, the workpiece can effectively prevent the deformation of the heat treatment process, to overcome the existing gearbox heat the corn cones method, the workpiece after carburizing needs to cool and then the secondary pressure quenching after heating, in order to prevent deformation of the workpiece a large technical defects not only reduces the process, saving energy costs and improve efficiency, better quality heat treatment.
Description of drawings
Figure 1 is a utility transmission heat the corn cone clamp structure of the embodiment FIG.
Embodiment
Elaborate below in conjunction with the embodiment of accompanying drawing to the utility model.
Shown in Figure 1, the utility of the heat transmission cone clamp grain structure of the embodiment FIG.The utility model bevel gearbox grain heat treatment fixtures, including fixed for clamping a workpiece 4 on the base and the lower base 2, and for the set pressure of the workpiece 4 screw 3, the upper and lower base a central base 2 provided with said pressure corresponding to the mating screw through holes 3, workpiece 4 set on the pressure screw 3 and pressed and fixed on the upper chassis 1 and the lower base 2, and the upper and lower base 1 respectively provided on the base 2 for the quenching medium to the workpiece 4 within the drainage hole 5 and draining drainage hole 6.
As shown in Figure 1, pressure screw bolt 3 is fixed workpiece 4 through nut 7 after extending through lower bottom base 2 and upper bed-plate 1, and upper bed-plate 1 is provided with the counterbore that matches with pressure screw bolt 3 with lower bottom base 2, is convenient to workpiece 4 overlapping installations.Conduction hole 4 and conduction hole 5 be ecto-entad point to workpiece 4 centers inclined hole.
Bevel gearbox of the present embodiment by setting the upper valley treatment jig 1 and the lower base of the plurality of base 2 gearbox clamping cones overlap workpiece 4 grains together and on the base 1 and the lower base 2 are respectively provided for the hardening medium drainage to the internal parts of the drainage hole, with compression nut 3 pressed and fixed, placed in a furnace carburizing carburizing and quenching pressure together, due to the base 1 and the role of the lower base 2 to prevent the workpiece 4 In carburizing and quenching occurs during deformation, to ensure quality of heat treatment.
Further, said upper bed-plate 1, lower bottom base 2 and pressure screw bolt 3 all adopt heat-resistance stainless steel to process, and prevent in the heat treatment process of workpiece 4, and high temperature causes upper bed-plate 1, lower bottom base 2 and pressure screw bolt 3 distortion.
Further, the side that is used for workpiece pressing 4 on said upper bed-plate 1 and the lower bottom base 2 is the circle of diameter greater than workpiece 4 diameters; Or the side that is used for workpiece pressing 4 on upper bed-plate 1 and the lower bottom base 2 is grow up square in workpiece 4 diameters of minimum edge.With this structure the heat treatment jig gearbox tapered valleys, workpiece 4 can be prevented in the heat transfer process, and the other rigid object crash damage.Transmission of this embodiment the heat treatment jig grain cone structure of the program using the first, or the base 1 and the lower base 2 for pressing the workpiece 4 on the side of a diameter greater than the diameter of a circular workpiece 4.
Next, the heat treatment method for the transmission cone valley be described in detail, the transmission method of heat treatment cone valley of the present embodiment is used.
With this embodiment of the transmission cone fixture heat the corn grain cone gearbox heat treatment method, comprising the steps of:
1) clamping: The gearbox cone valley heat treatment jig will be at least four overlapping clamping together two workpieces and pressed and fixed with bolts 3;
2) workpiece 4 after carburizing: with the 1st) the step clamping is accomplished is put into the cementing furnace carburizing, and carburizing temperature is 910-930 ℃;
3) press quenching: the workpiece 4 after carburizing accomplished is put into the oil temperature immediately and is 15-40 ℃ quenching oil quenching, and quenching pressure is 0.5-0.6MPa, treats work-piece cools after 90-120 ℃, and workpiece is taken out air cooling.
The gearbox will taper grain heat treatment method After clamping the workpiece 4, put into carburizing carburizing furnace, carburizing processes are the same as the prior art, carburizing is complete without cooling the workpiece, the workpiece is put directly the pressure into the quenching oil quenching, the use of a heat treatment jig Valley gearbox cone, the workpiece can effectively prevent the deformation of the heat treatment process, to overcome the prior art: Transmission cone Valley workpiece after carburizing needs to cool and then the second heating pressure after quenching in order to prevent deformation of the workpiece 4 large technical defects not only reduces the process, saving energy costs and improve efficiency, better quality of heat treatment, obtained by the special test fixture, to give the product quality of qualified was 96%, significantly saving energy and improving efficiency.
Further; The workpiece 4 that the quenching that obtains in the said step 3) is off quality is put into special-purpose box type heater and is heated to 910-930 ℃; And adopt the special pressure quenching press to carry out press quenching; The temperature of quenching oil is 15-40 ℃, and quenching pressure is 0.5-0.6MPa, treats work-piece cools air cooling after 90-120 ℃; Or,
In the step 3) of substandard quality obtained in the quenching of the workpiece 4 with said gearbox heat the corn cones overlap clamping fixture and then heated to 910-930 ℃, and placed in a quenching oil temperature 15-40 ℃ oil quenching, quenching pressure is 0.5-0.6MPa, the workpiece to be cooled after cooling to 90-120 ℃.
Adopt the workpiece 4 that above-mentioned two kinds of operations arranged side by side all can be off quality with the quenching that obtains in the step 3) to quench once more, can effectively reduce scrap rate, save cost.
Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the aim and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (4)
- A method of heat treatment jig gear cone valley, characterized by comprising: fixing the workpiece for pressing the upper base and lower base, and a pressure screw for packages workpiece, said upper base and the lower base corresponding to the center a pressure screw cooperating with said through-holes of the upper base and a lower base, respectively, for the quenching medium to the internal parts of the drainage drainage holes.
- 2 Gearbox according to claim 1, wherein a heat treatment jig cone valley, wherein: said upper base, the base and the pressure screw are made of heat-resistant stainless steel.
- 3 according to claim 1 or 2, wherein a heat treatment jig transmission cone valley, characterized in that: said upper base and the lower base sides of the workpiece for pressing the workpiece with a diameter larger than the diameter of the circle.
- As claimed in claim 1 or 2, wherein a heat treatment jig transmission cone valley, characterized in that: said upper base and the lower base for pressing the workpiece on the side of the smallest side length of the square of the workpiece diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200849170U CN202465805U (en) | 2012-03-08 | 2012-03-08 | Thermal treatment clamp of gearbox cone hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200849170U CN202465805U (en) | 2012-03-08 | 2012-03-08 | Thermal treatment clamp of gearbox cone hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202465805U true CN202465805U (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200849170U Expired - Fee Related CN202465805U (en) | 2012-03-08 | 2012-03-08 | Thermal treatment clamp of gearbox cone hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202465805U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102586564A (en) * | 2012-03-08 | 2012-07-18 | 重庆奥美机械制造有限公司 | Heat treatment clamp and heat treatment method for speed change cone drum box |
| CN106367570A (en) * | 2016-11-02 | 2017-02-01 | 宜昌船舶柴油机有限公司 | Quenching anti-deformation device and method |
-
2012
- 2012-03-08 CN CN2012200849170U patent/CN202465805U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102586564A (en) * | 2012-03-08 | 2012-07-18 | 重庆奥美机械制造有限公司 | Heat treatment clamp and heat treatment method for speed change cone drum box |
| CN102586564B (en) * | 2012-03-08 | 2014-03-12 | 重庆奥美机械制造有限公司 | Heat treatment method for speed change cone drum box |
| CN106367570A (en) * | 2016-11-02 | 2017-02-01 | 宜昌船舶柴油机有限公司 | Quenching anti-deformation device and method |
| CN106367570B (en) * | 2016-11-02 | 2018-07-20 | 宜昌船舶柴油机有限公司 | quenching anti-deformation device and method |
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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 |
Granted publication date: 20121003 Termination date: 20150308 |
|
| EXPY | Termination of patent right or utility model |