CN208965044U - A kind of gear wheel carburization tooling - Google Patents
A kind of gear wheel carburization tooling Download PDFInfo
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- CN208965044U CN208965044U CN201821744586.2U CN201821744586U CN208965044U CN 208965044 U CN208965044 U CN 208965044U CN 201821744586 U CN201821744586 U CN 201821744586U CN 208965044 U CN208965044 U CN 208965044U
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- gear wheel
- loading rod
- fixed beam
- rod
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Abstract
Gear wheel carburization tooling disclosed by the utility model, including rectangular frame, abutment sleeve and loading rod；The quadrangle of rectangular frame is respectively fixed with mounting rod, is equipped with fixed beam and/or limit beam on two adjacent mounting rods, passes through abutment sleeve interval between the fixed beam and/or limit beam on identical mounting rod；The both ends of fixed beam are equipped with installation ring structure, and installation ring structure is adapted with mounting rod, and the surface of fixed beam is broached-tooth design；Loading rod includes end and intermediate supports portion, and end is ripple end plate compatible with the fixed beam, and intermediate supports portion is the loading rod that cross section is " I-shaped " type.When carrying out the carburizing and quenching of the gear of large modulus using this tooling, the circularity mistake circle of the inner hole of gear is small, and the consistency of product is preferable.The gear wheel carburization tooling of the utility model is widely used, and can be adjusted according to the needs of production, good product consistency, and this tooling long service life, and strong operability is easy to spread.
Description
Technical field
The utility model relates to metal heat treatmet utensils, more particularly, to a kind of gear wheel carburization tooling.
Background technique
Carburizing and quenching is the case-carbonizing in mild steel, makes the processing of high carbon content state, make just now surface into
The means of row hardening.The surface of carburizing and the hardness of core are by firmly to soft consecutive variations.Core hardness is lower than surface through over carburizing
The gear of quenching treatment is easy to produce deformation and distortion, and the accuracy of gear is caused to decline, and the Yao Tigao accuracy of gear will also carry out roll flute
Process carries out the amendment of tooth accuracy, and gear is made to reach qualified assembly level.Especially middle large module gear, because of its diameter
Larger, heat-treatment distortion is difficult to control, and the inner hole of gear loses circle seriously or even subsequent roll flute process is also difficult to adjust the flank of tooth
To qualified precision.
In production other than reducing heat treatment deformation quantity according to product adjustment carburizing quenching process, carburizing and quenching tooling
Selection can greatly influence the inner hole circularity and tooth accuracy of gear class product.
In existing production, the carburizing tooling of gear class generally uses " cross " type loading rod 3 ', as shown in Figure 1, loading rod
Including " cross " type end plate 1 ' and " cross " type intermediate supports portion 2 '；The cross-shaped configuration of loading rod can pass through gear class product
Inner hole, install it is more convenient and quick detachable, but using this tooling carry out large modulus gear carburizing and quenching when, gear it is interior
The circularity in hole can be uncontrollable, loses circle seriously, the consistency of product is poor, and quality is difficult to ensure.
Summary of the invention
The utility model is directed to the shortcomings that above-mentioned prior art, provides a kind of gear wheel carburization tooling, which passes through to square
Shape frame and loading rod scientifically design, and loading rod is designed to " I-shaped " type, increases the contact of loading rod and the inner hole of gear
Area, contact point can effectively eliminate stress concentration, avoid the generation of thermal processing distortion.
Meanwhile the design of the waveform end plate of the end of loading rod is tightly combined the fixed beam of loading rod and rectangular frame,
It is adjusted by the position of abutment sleeve, the dress that can satisfy the gear of different moduluses is hung, and gear dress is effectively prevent to generate when hanging
It collides with, further ensures the quality of gear product.
The gear wheel carburization tooling of the utility model is widely used, and can need to adjust according to actual production, strong operability,
It is easy to spread.
The purpose of utility model of the utility model is achieved by the following technical programs:
Gear wheel carburization tooling disclosed by the utility model, including rectangular frame, abutment sleeve and loading rod；The rectangle frame
The quadrangle of frame is respectively fixed with mounting rod, is equipped with fixed beam and/or limit beam, identical installation on two adjacent mounting rods
Pass through abutment sleeve interval between the fixed beam and/or limit beam on bar；The both ends of the fixed beam are equipped with installation ring structure,
The installation ring structure is adapted with mounting rod, and the surface of the fixed beam is broached-tooth design；The loading rod include end and
Intermediate supports portion, the end are ripple end plate compatible with the fixed beam, and the intermediate supports portion is that cross section is " work
The loading rod of word " type.
The gear wheel carburization tooling of the utility model is designed by the structure to rectangular frame, abutment sleeve and loading rod, ingeniously
Above structure is cooperatively formed into one wonderfully, loading rod is designed to " I-shaped " type, increases connecing for the inner hole of loading rod and gear
Contacting surface product, contact point can effectively eliminate stress concentration, avoid the generation of thermal processing distortion.
It sets rectangular frame to be arranged with fixed beam and/or limit beam on mounting rod, wherein the surface sawtooth of fixed beam
Structure can be adapted with the ripple end plate of loading rod, be tightly combined, be not easy vibration, and product caused by effectivelying prevent tooling to shake is knocked
It touches.On the one hand the structure for limiting beam can make tooling stronger, on the other hand can limit the " loaded " position of product, can be to greatest extent
Ground efficiently uses space using carburizer position.
Further, the distance for the mounting rod being oppositely arranged is less than or equal to the length of loading rod.
Further, the length of the support portion of the loading rod is 7~9 times of tip lengths.
Further, the width of the support portion of the loading rod is 1~1.5 times of end portion width.
Further, the height of the support portion of the loading rod is 1.5~2 times of end height.
Further, the loading rod of described " I-shaped " type includes on the upper surface, lower surface and connection of center symmetric setting
The connecting bridge on surface and lower surface, the ratio between the upper surface, connecting bridge, the thickness of lower surface are 1:1~1.2:1.
The structure setting of the loading rod of the utility model keeps the bearing capacity of this gear wheel carburization tooling stronger, and service life is more
By force.
Further, the diameter of the abutment sleeve is identical as the installation diameter of ring structure.
The setting of abutment sleeve makes this gear wheel carburization tooling can be according to the use number of product size material selective positioning sleeve
Amount makes this tooling that can be layered holding gears, while guaranteeing carburizing quality, increases batch production efficiency.
Further, the limit beam is equipped with installation sleeve and is socketed on mounting rod.
Further, the fixed beam includes the crossbeam that two symmetrically arranged surfaces have broached-tooth design, the cross
Multiple securing plates are equipped between beam.
Keep this gear wheel carburization tooling bearing capacity stronger for what fixed beam was provided with securing plate.
Further, the material of the loading rod is Cr25Ni20Si2.The selection of this material is seeping gear wheel carburization tooling
Under the process conditions of carbon high-temp, stability is stronger, guarantees the quality of gear product.
Compared with prior art, the utility model has the beneficial effects that
The gear wheel carburization tooling of the utility model, the tooling will be filled by scientifically designing rectangular frame and loading rod
Material bar is designed to " I-shaped " type, loading rod and bore contact position arc structure, increases the inner hole of loading rod and gear
Contact area, contact point can effectively eliminate stress concentration, avoid the generation of thermal processing distortion.Loading rod width and inner hole center press from both sides
Angle A is controlled in the range of 90~110 °, when carrying out the carburizing and quenching of the gear of large modulus using this tooling, the inner hole of gear
Circularity mistake circle is small and external tooth total cumulative pitch error is small, and the consistency of product is preferable.
Meanwhile the design of the waveform end plate of the end of loading rod is tightly combined the fixed beam of loading rod and rectangular frame,
It is adjusted by the position of abutment sleeve, the dress that can satisfy the gear of different moduluses is hung, and gear dress is effectively prevent to generate when hanging
It collides with, further ensures the quality of gear product.
The thermal fatigue property of " I-shaped " the type loading rod of the gear wheel carburization tooling of the utility model at high temperature is strong, 880
Under the cooling repeated action of the quenching of~930 DEG C of carburizing high temperature and 70~130 DEG C, can be used continuously do not occur within 2 years cracking and
Bending deformation, long service life.
The gear wheel carburization tooling of the utility model is widely used, and can need to adjust according to actual production, homogeneity of product
It is good, and this tooling long service life, strong operability are easy to spread.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of " cross " type loading rod.
Fig. 2 is the schematic perspective view of loading rod described in the utility model.
Fig. 3 is the cross-sectional view of loading rod described in the utility model.
Fig. 4 is the structural schematic diagram of gear wheel carburization tooling described in the utility model.
Fig. 5 is the schematic diagram that " cross " type loading rod dress mentions wheel.
Fig. 6 is the schematic diagram that loading rod described in the utility model dress mentions wheel.
Wherein, 1- rectangular frame, 11- mounting rod, 12, fixed beam, 121- installs ring structure, 122- crossbeam, 123- sawtooth
Structure, 124- securing plate, 13- limit beam, 131- installation sleeve, 2- abutment sleeve, 3- loading rod, the end 31-, the centre 32- branch
Support part, 1 '-" cross " type end plate, 2 '-" cross " type intermediate supports portions, 3 '-" cross " type loading rods, A- are contacted with bore
Intermediate supports portion angle, B- bore.
Specific embodiment
The utility model is further described in the following with reference to the drawings and specific embodiments.For convenience of description, this is practical new
Reagent, the instrument and equipment etc. that the following embodiments of type use are listed below, but therefore do not limit the utility model.
Inventor's statement, the utility model illustrate the detailed process equipment and work of the utility model through the foregoing embodiment
Skill process, but the utility model is not limited to above-mentioned detailed process equipment and process flow, that is, does not mean that the utility model
Above-mentioned detailed process equipment and process flow, which must be relied on, to be implemented.It should be clear to those skilled in the art, right
Any improvement of the utility model, the addition of equivalence replacement and auxiliary element to each raw material of the utility model product, specific side
The selection etc. of formula, all falls within the protection scope of the utility model and the open scope.
Embodiment 1
The gear wheel carburization tooling of the present embodiment includes rectangular frame 1, abutment sleeve 2 and loading rod as shown in Figure 2 to 4
3；The quadrangle of rectangular frame 1 is respectively fixed with mounting rod 11, and being socketed on two adjacent mounting rods by installation sleeve is solid
Determine beam 12 and limit beam 13, is spaced between the fixed beam 12 on identical mounting rod 11 and limit beam 13 by abutment sleeve 2；Fixed beam
13 both ends are equipped with installation ring structure 121, and installation ring structure 121 is adapted with mounting rod 11, and limit beam 13 is equipped with installation set
Cylinder 131 is socketed on mounting rod 11；The surface of fixed beam 12 is broached-tooth design 123；Loading rod 3 includes end 31 and intermediate supports
Portion 32, end 32 are ripple end plate compatible with fixed beam 12, and intermediate supports portion 32 is the charging that cross section is " I-shaped " type
Bar.
The gear wheel carburization tooling is designed to " work by scientifically designing rectangular frame 1 and loading rod 3, by loading rod 3
Word " type, increases the contact area of the inner hole of loading rod 3 and gear, and contact point can effectively eliminate stress concentration, hot-working is avoided to become
The generation of shape.
Wherein, the distance for the mounting rod being oppositely arranged is less than or equal to the length of loading rod.
The length of the support portion of the loading rod of the present embodiment is 7~9 times of tip lengths, and the present embodiment is preferably 8 times；
The width of the support portion of loading rod is 1~1.5 times of end portion width, and the present embodiment is preferably 1.4 times；The support portion of loading rod
Height be 1.5~2 times of end height, the present embodiment is preferably 1.6 times.The charging of " I-shaped " type of the present embodiment is single
Length is 510mm, can carry about 60 kilograms of product.
The loading rod of " I-shaped " type includes the upper surface, lower surface and connection upper and lower surfaces of center symmetric setting
Connecting bridge, the ratio between the upper surface, connecting bridge, the thickness of lower surface are 1:1~1.2:1.
Upper and lower surface is broached-tooth design, and installation is stablized, and the thermal fatigue property that the loading rod of " I-shaped " is at high temperature is strong,
Long service life can effectively increase tooling utilization rate.
Fixed beam 12 includes the crossbeam 122 that two symmetrically arranged surfaces have broached-tooth design 123, is equipped between crossbeam 122
Multiple securing plates 124.Keep this gear wheel carburization tooling bearing capacity stronger for what fixed beam was provided with securing plate.
Further, the material of loading rod is Cr25Ni20Si2.The selection of this material makes gear wheel carburization tooling in carburizing height
Under the process conditions of temperature, stability is stronger, guarantees the quality of gear product.
This gear wheel carburization tooling according to the size of product, passes through in use, rectangular frame 1 is placed on carburizing charging tray
The number of abutment sleeve is adjusted, to determine the distance between every layer of loading rod, limit beam is first mounted on mounting rod bottom, will be limited
Beam is opposite to be set on mounting rod, then fixed beam is set on mounting rod；Loading rod is passed through into the gear product to carburizing
Inner hole, then the ripple end plate for the boom end that charges is meshed with the broached-tooth design of fixed beam；Repeat installation method progress above
The installation of another layer of gear product.
Fig. 5 is the schematic diagram that " cross " type loading rod dress mentions wheel, wherein among " cross " type contacted with bore B
Support portion, width and bore B center included angle A are 60~80 °, this figure is 69 °；The loading rod dress of Fig. 6 mentions showing for wheel
It is intended to, wherein the width of the loading rod of " I-shaped " type and bore B center included angle A control in the range of 90~110 °, this
Included angle A is 97 ° in embodiment；The gear wheel carburization tooling of the utility model, the tooling pass through to rectangular frame and loading rod science
Loading rod is designed to " I-shaped " type, loading rod and bore contact position arc structure, increases loading rod and tooth by ground design
The contact area of the inner hole of wheel, contact point can effectively eliminate stress concentration, avoid the generation of thermal processing distortion.Using this tooling into
When the carburizing and quenching of the gear of row large modulus, the circularity of the inner hole of gear is lost under the small total cumulative pitch error with external tooth of circle, product
Consistency it is preferable.
Meanwhile the design of the waveform end plate of the end of loading rod is tightly combined the fixed beam of loading rod and rectangular frame,
It is adjusted by the position of abutment sleeve, the dress that can satisfy the gear of different moduluses is hung, and gear dress is effectively prevent to generate when hanging
It collides with, further ensures the quality of gear product.
The gear wheel carburization tooling of the utility model is widely used, and can need to adjust according to actual production, homogeneity of product
It is good, and this tooling long service life, strong operability are easy to spread.
Obviously, above-described embodiment is only intended to clearly illustrate the technical solution of the utility model example, and simultaneously
Non- is limitations of the embodiments of the present invention.For those of ordinary skill in the art, above explained
On the basis of can also make other variations or changes in different ways.It is made within the spirit and principle of the present invention
Any modifications, equivalent replacements, and improvements etc., should be included within the protection of the utility model claims.
Claims (10)
1. a kind of gear wheel carburization tooling, which is characterized in that including rectangular frame, abutment sleeve and loading rod；The rectangular frame
Quadrangle be respectively fixed with mounting rod, on two adjacent mounting rods be equipped with fixed beam and/or limit beam, identical mounting rod
On the fixed beam and/or limit beam between pass through abutment sleeve interval；The both ends of the fixed beam are equipped with installation ring structure, institute
It states installation ring structure to be adapted with mounting rod, the surface of the fixed beam is broached-tooth design；The loading rod includes end in
Between support portion, the end be ripple end plate compatible with the fixed beam, the intermediate supports portion be cross section be " work
The loading rod of word " type.
2. gear wheel carburization tooling according to claim 1, which is characterized in that the distance for the mounting rod being oppositely arranged is less than
Equal to the length of loading rod.
3. gear wheel carburization tooling according to claim 1, which is characterized in that the length of the support portion of the loading rod is end
7~9 times of length.
4. gear wheel carburization tooling according to claim 1, which is characterized in that the width of the support portion of the loading rod is end
1~1.5 times of width.
5. gear wheel carburization tooling according to claim 1, which is characterized in that the height of the support portion of the loading rod is end
1.5~2 times of height.
6. gear wheel carburization tooling according to claim 1, which is characterized in that the loading rod of " I-shaped " type includes center pair
Claim the upper surface, lower surface and the connecting bridge for connecting upper and lower surfaces of setting, the upper surface, connecting bridge, lower surface
The ratio between thickness is 1:1~1.2:1.
7. gear wheel carburization tooling according to claim 1, which is characterized in that the diameter of the abutment sleeve and the mounting ring
The diameter of structure is identical.
8. gear wheel carburization tooling according to claim 1, which is characterized in that the limit beam is socketed in equipped with installation sleeve
On mounting rod.
9. gear wheel carburization tooling according to claim 8, which is characterized in that the fixed beam includes two symmetrically arranged tables
Face has the crossbeam of broached-tooth design, is equipped with multiple securing plates between the crossbeam.
10. gear wheel carburization tooling described in any one according to claim 1~9, which is characterized in that the material of the loading rod is
Cr25Ni20Si2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821744586.2U CN208965044U (en) | 2018-10-25 | 2018-10-25 | A kind of gear wheel carburization tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821744586.2U CN208965044U (en) | 2018-10-25 | 2018-10-25 | A kind of gear wheel carburization tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208965044U true CN208965044U (en) | 2019-06-11 |
Family
ID=66760585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821744586.2U Active CN208965044U (en) | 2018-10-25 | 2018-10-25 | A kind of gear wheel carburization tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208965044U (en) |
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2018
- 2018-10-25 CN CN201821744586.2U patent/CN208965044U/en active Active
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