CN206328450U - The carburizing assembled tool of synchronizer combination gear - Google Patents
The carburizing assembled tool of synchronizer combination gear Download PDFInfo
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- CN206328450U CN206328450U CN201621376334.XU CN201621376334U CN206328450U CN 206328450 U CN206328450 U CN 206328450U CN 201621376334 U CN201621376334 U CN 201621376334U CN 206328450 U CN206328450 U CN 206328450U
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- Prior art keywords
- pad
- combination gear
- square position
- carburizing
- locating
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- 238000005255 carburizing Methods 0.000 title claims abstract description 30
- 230000002787 reinforcement Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims 1
- 238000010791 quenching Methods 0.000 abstract description 5
- 230000000171 quenching effect Effects 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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- Heat Treatment Of Articles (AREA)
Abstract
The utility model provides a kind of carburizing assembled tool of synchronizer combination gear, including main floor, square position, locating support, lifts pad, concora crush pad；The square position sets at least one, and the main floor and each square position are arranged in parallel successively from the bottom to top, and is connected at least through a column；Multiple locating supports are vertically installed with one square position, multiple locating supports are laterally or vertically staggered on square position, the bottom of each locating support is detachably provided with respectively lifts pad, lift the lower surface of pad and the upper surface of square position, the top of each locating support is detachably provided with concora crush pad, the upper surface of at least one combination gear, the lower surface of concora crush pad and the combination gear of the top can be placed from the bottom to top between concora crush pad peace pad.The carburizing assembled tool of synchronizer combination gear described in the utility model, to solve the thermal deformation problem after combination gear quenching, improves the precision of finished product.
Description
Technical field
The utility model belongs to technical field of metal heat treatment, more particularly, to a kind of carburizing group of synchronizer combination gear
Close frock.
Background technology
Combination gear in synchronizer is a kind of thin-wall part, and thin-wall part is thin-wall part the problem of the maximum after Overheating Treatment
Plane be easily distorted deformation, the heat treatment to the combination gear in synchronizer at present uses carburizing and quenching, equipment
It can select case-hardening furnace or continuous carbonization production line carried out, its charging mode can select and mount mode or single-piece paperback mode.
But for the workpiece shown in Fig. 1, the problem of deformation after its carburizing and quenching is all for a long time very serious, workpiece after heat treatment
Flatness is all overproof serious, and flatness can be more than more than 0.30, for case above by adjusting heat treatment parameter when serious
Effect is not obvious afterwards.
Utility model content
In view of this, the utility model is directed to a kind of carburizing assembled tool of synchronizer combination gear, to solve knot
The thermal deformation problem after gear quenching is closed, the precision of finished product is improved.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
The carburizing assembled tool of synchronizer combination gear, including main floor, square position, locating support, lift pad, concora crush pad；
The square position sets at least one, and the main floor and each square position are arranged in parallel successively from the bottom to top, and extremely
It is connected less by a column；
Multiple locating supports are vertically installed with one square position, multiple locating supports laterally or vertically interlock on square position
Arrangement, the bottom of each locating support is detachably provided with respectively lifts pad, the upper table of the lower surface and square position for lifting pad
Face is contacted, and the top of each locating support, which is detachably provided between concora crush pad, the peaceful pad of the concora crush pad, from the bottom to top can
Place the upper surface of at least one combination gear, the lower surface of concora crush pad and the combination gear of the top.
Further, the peaceful pressure pad of pad that lifts is annular, lifts the inner ring of the peaceful pressure pad of pad with positioning branch
Frame concentric gap coordinates, and the internal diameter for lifting the peaceful pressure pad of pad is identical with the internal diameter of combination gear, lifts the outer of the peaceful pressure pad of pad
Footpath is respectively less than the external diameter of combination gear.
Further, the thickness for lifting the peaceful pressure pad of pad is 16mm.
Further, be along the circumferential direction provided with multiple lightening holes on the spoke of the combination gear, it is described lift pad and
The side of concora crush pad is respectively equipped with the first locating piece of the installation that matches with lightening hole；
The opposite side for lifting the peaceful pressure pad of pad, which is respectively equipped with least one second locating piece, the reinforcement of square position, to be set
There is the locating slot matched with the second locating piece.
Further, sleeve is cased with respectively on the column between each two square position.
Relative to prior art, the carburizing assembled tool of synchronizer combination gear described in the utility model has following excellent
Gesture：
Carburizing assembled tool described in the utility model is put by the way that workpiece is positioned after superposition is kept flat with the center of circle in bottom
One thickening plain cushion, a point is put in the top and thickeies plain cushion, is loaded with fixed position, fixed-direction, fixed number mode
Workpiece, performs the technological parameters such as rational carburizing temperature and hardening heat so that workpiece is ensureing that overall carburized layer is uniform, metallographic
In the case of highly organized, the effective plane deformation amount weakened after workpiece carbonization quenching, so as to improve the type workpiece
Worked well after finished product accuracy, and the long-term use of carburizing assembled tool.
Brief description of the drawings
Constitute a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new
The schematic description and description of type is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 is the front view of the combination gear described in the utility model embodiment；
Fig. 2 is the synchronizer combination gear carburizing assembled tool overall structure diagram described in the utility model embodiment；
Fig. 3 is that the combination gear described in the utility model embodiment is assembled to the sectional view after locating support；
Fig. 4 is the square position and combination gear " loaded " position structural representation described in the utility model embodiment；
Fig. 5 is that the one side structure that lifting described in the utility model embodiment is padded or concora crush pad is contacted with combination gear is shown
It is intended to；
Fig. 6 is the one side structural representation that pad or concora crush pad are contacted with square position that lifts described in the utility model embodiment
Figure.
Description of reference numerals：
1- main floors；2- square positions；201- locating slots；202- positioning holes；203- reinforcements；3- locating supports；4- lifts pad；
5- concora crush pads；6- combination gears；601- lightening holes；7- sleeves；8- columns；The locating pieces of 9- first；The locating pieces of 10- second.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicate
Or imply that the device or element of meaning must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the utility model.
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As in Figure 2-4, the carburizing assembled tool of synchronizer combination gear, including main floor 1, square position 2, locating support 3,
Lift pad 4, concora crush pad 5；
The square position 2 sets at least one, and the main floor 1 and each square position 2 are arranged in parallel successively from the bottom to top, and
It is connected at least through a column 8, is cased with sleeve 7 on the column between each two square position 2 respectively；
Be vertically installed with multiple locating supports 3 on one square position 2, multiple locating supports 3 on square position 2 laterally or vertically
It is staggered, the bottom of each locating support 3 is detachably provided with respectively lifts pad 4, the lower surface for lifting pad 4 and square position
2 upper surface, the top of each locating support 3 is detachably provided between concora crush pad 5, the peaceful pad 4 of concora crush pad 5
At least one combination gear 6 can be placed from the bottom to top, the upper surface of the lower surface of concora crush pad 5 and the combination gear 6 of the top connects
Touch.
As shown in Fig. 1, Fig. 5 and Fig. 6, the peaceful pressure pad 5 of pad 4 that lifts is annular, lifts the peaceful pressure pad 5 of pad 4
Inner ring coordinates with the concentric gap of locating support 3, and the internal diameter for lifting the peaceful pressure pad 5 of pad 4 is identical with the internal diameter of combination gear 6,
The external diameter for lifting the peaceful pressure pad 5 of pad 4 is respectively less than the external diameter of combination gear 6；The thickness for lifting the peaceful pressure pad 5 of pad 4 is
16mm；Along the circumferential direction it is provided with multiple lightening holes 601 on the spoke of the combination gear 6, the pad 4 peaceful pressure pad 5 of lifting
Side is respectively equipped with the first locating piece 9 of the installation that matches with lightening hole 601；The opposite side point for lifting the peaceful pressure pad 5 of pad 4
Not She You at least one second locating piece 10, the reinforcement 203 of square position is provided with the locating slot matched with the second locating piece 10
201。
The carburizing assembled tool of synchronizer combination gear simultaneously carries out heat-treating methods to the combination gear of loading, will install
The carburizing assembled tool of synchronizer combination gear 6 is put into carburizing tinuous production and is heat-treated, and specifically includes following steps：
(1) bottom of locating support 3 is put into the positioning hole 202 of square position 2, the center of pad 4 will be lifted through locating support 3
And lie on square position 2, then combination gear 6 oriented again be placed on lift on pad 4 and with the upper surface that lifts pad 4,
Putting a concora crush pad 5 in the top of combination gear 6 of the superiors；
(2) the charged carburizing assembled tool in step (1) is put into the debinding furnace of carburizing tinuous production
Row preheating, degreasing；
(3) it is put into main stove and carries out carburizing；
(4) the transmission combination gear 6 is quenched after carburizing；
(5) cleaned using cleaning machine；
(6) it is put into tempering furnace and is tempered；
(7) discharging.
Wherein, a carburizing assembled tool was put into the carburizing tinuous production in every 25 minutes, preheating temperature is 360-
380 DEG C, carburizing temperature is 870-880 DEG C, carbon potential 0.95-1.0, and hardening heat is 800-810 DEG C, and the cool time is 8-10 points
Clock, temperature is 160-170 DEG C.
The concora crush pad 5 or the end contact for lifting pad 4 and combination gear 6, concora crush pad 5 or the material for lifting pad 4 are resistance to
Hot material, its flatness is within 0.04.
The present apparatus includes four square positions 2, wherein 13 locating supports 3 are respectively equipped with each square position 2 of three square positions 2,
13 combination gears 6 are separately installed with each locating support 3, the top of the superiors' combination gear 6 is also equipped with a square position 2.
The material of combination gear 6 of the present utility model is 16MnCr5H, the transmission conjunction gear 6 after being processed using this method
Metallographic result：Workpiece surface hardness HRC58-62, effective hardness layer is controlled between 0.35-0.55, martensite and paralympic 1-3
Level, 1-4 grades of carbide, 1-5 grades of center portion ferrite, workpiece planarization control is within 0.05 after heat treatment, and Roundness of Workpiece is 0.05
Within.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modifications, equivalent substitutions and improvements made etc. should be included in the utility model
Protection domain within.
Claims (5)
1. the carburizing assembled tool of synchronizer combination gear, it is characterised in that：Including main floor (1), square position (2), locating support
(3) pad (4), concora crush pad (5), are lifted；
The square position (2) sets at least one, and the main floor (1) and each square position (2) are arranged in parallel successively from the bottom to top, and
And be connected at least through a column (8)；
Be vertically installed with multiple locating supports (3) on one square position (2), multiple locating supports (3) on square position (2) laterally or
Vertically staggered, the bottom of each locating support (3) is detachably provided with respectively lifts pad (4), described to lift under pad (4)
The upper surface on surface and square position (2), the top of each locating support (3) is detachably provided with concora crush pad (5), the concora crush
Can place at least one combination gear (6) between the peaceful pad (4) of pad (5) from the bottom to top, the lower surface of concora crush pad (5) with it is most upper
The upper surface of the combination gear (6) on side.
2. the carburizing assembled tool of synchronizer combination gear according to claim 1, it is characterised in that：It is described to lift pad
(4) peaceful pressure pad (5) is annular, and the inner ring for lifting the peaceful pressure pad (5) of pad (4) is matched somebody with somebody with locating support (3) concentric gap
Close, the internal diameter for lifting the peaceful pressure pad (5) of pad (4) is identical with the internal diameter of combination gear (6), lift the peaceful pressure pad (5) of pad (4)
External diameter is respectively less than the external diameter of combination gear (6).
3. the carburizing assembled tool of synchronizer combination gear according to claim 1, it is characterised in that：It is described to lift pad
(4) thickness of peaceful pressure pad (5) is 16mm.
4. the carburizing assembled tool of the synchronizer combination gear according to claim any one of 1-3, it is characterised in that：It is described
Multiple lightening holes (601) are along the circumferential direction provided with the spoke of combination gear (6), it is described to lift the one of the peaceful pressure pad (5) of pad (4)
Side is respectively equipped with the first locating piece (9) for the installation that matches with lightening hole (601)；
The opposite side for lifting the peaceful pressure pad (5) of pad (4) is respectively equipped with least one second locating piece (10), the reinforcement of square position
Muscle (203) is provided with the locating slot (201) matched with the second locating piece (10).
5. the carburizing assembled tool of synchronizer combination gear according to claim 1, it is characterised in that：Each two square position
(2) sleeve (7) is cased with the column between respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621376334.XU CN206328450U (en) | 2016-12-14 | 2016-12-14 | The carburizing assembled tool of synchronizer combination gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621376334.XU CN206328450U (en) | 2016-12-14 | 2016-12-14 | The carburizing assembled tool of synchronizer combination gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206328450U true CN206328450U (en) | 2017-07-14 |
Family
ID=59291039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621376334.XU Expired - Fee Related CN206328450U (en) | 2016-12-14 | 2016-12-14 | The carburizing assembled tool of synchronizer combination gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206328450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485075A (en) * | 2020-04-30 | 2020-08-04 | 四川联茂机械制造有限公司 | Straight shaft positioning tool |
-
2016
- 2016-12-14 CN CN201621376334.XU patent/CN206328450U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485075A (en) * | 2020-04-30 | 2020-08-04 | 四川联茂机械制造有限公司 | Straight shaft positioning tool |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170714 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |