CN103627874B - Transmission piece quenching technology and die for transmission piece quenching technology - Google Patents
Transmission piece quenching technology and die for transmission piece quenching technology Download PDFInfo
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- CN103627874B CN103627874B CN201310656459.2A CN201310656459A CN103627874B CN 103627874 B CN103627874 B CN 103627874B CN 201310656459 A CN201310656459 A CN 201310656459A CN 103627874 B CN103627874 B CN 103627874B
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Abstract
The invention relates to a transmission piece heat treatment technology, in particular to a transmission piece quenching technology and a die for the transmission piece quenching technology. According to the transmission piece quenching technology, heat treatment is performed by placing a transmission piece in the die, a heat treatment course of the transmission piece is performed in a non-free state, and no subsequent leveling technology is required, so that the manufacturing efficiency of the transmission piece is improved, a coolant is not directly contacted during a quenching course of the transmission piece, the transmission piece is stable in quality and crack-free, and the service life of the transmission piece is prolonged. According to the die for the transmission piece quenching technology, the surface roughness of a die cavity is ensured, an upper die cooling water tank is not communicated with an upper die cavity, and a lower die cooling water tank is not communicated with a lower die cavity, so that the transmission piece has higher surface quality during the heat treatment course, the transmission piece subjected to the heat treatment requires no subsequent processing, the processing efficiency of the transmission piece is improved, and the service life of the transmission piece is prolonged.
Description
Technical field
The present invention relates to driver blade thermal treatment process, particularly relate to driver blade quenching technology and driver blade quenching technology mould.
Background technology
In prior art, the quenching technology of clutch driving strap is that driver blade plate carries out in a free state, by quenching immersing salt bath furnace after driver blade heating.The driver blade that this heat treating method obtains, after thermal treatment completes, driver blade can produce larger distortion; To levelling process be increased for the product that distortion is less is follow-up, then can only scrap process for the larger product of distortion; May there is crackle in driver blade, be easy to cause driver blade fracture failure in follow-up use procedure in levelling process process.
Summary of the invention
Driver blade quenching technology provided by the invention and quenching mould thereof, be intended to overcome driver blade in prior art and heat-treat the deficiency easily causing driver blade in use to rupture, lost efficacy in a free state.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: driver blade quenching technology, comprises the following steps:
A, heating: quenching temperature driver blade being heated to 700 degrees Celsius to 800 degrees Celsius;
B, maintenance: keep 11 minutes to 12 minutes after the driver blade in step a being heated to quenching temperature;
C, driver blade set: the driver blade in step b is taken out and is placed in mould and ensures that die temperature is no more than 120 degrees Celsius;
D, pressurization: the pressure of 8 tons to 10 tons is applied to the mould in step c and ensures that die temperature is no more than 120 degrees Celsius;
E, pressure keep: keep after the mould in steps d applies pressure to particular value ensureing that die temperature is no more than 120 degrees Celsius by 70 seconds in 50 seconds;
F, taking-up: the driver blade obtained in step e is taken out;
G, tempering: driver blade obtained in step f is carried out tempering, and tempering temperature is 400 degrees Celsius to 420 degrees Celsius.
As preferably, in described step c, d, e, all ensure that die temperature is no more than 120 degrees Celsius by water-cooling pattern, by water coolant driver blade quenched and ensure that die temperature is no more than 120 degrees Celsius, reducing the manufacturing cost of driver blade.
As preferably, in described Step d, adopt hydropress to apply pressure to mould, by adopting hydropress to apply pressure to mould, using mould Compression Stability, improve the stability of quality product.
Driver blade quenching technology mould, comprise mold and bed die, described mold is provided with upper cavity, described bed die is provided with lower mode cavity, described upper cavity and lower mode cavity combine rear and driver blade shape is suitable, described mold is provided with for cooling mold and the mold cooling trough do not communicated with upper cavity, described bed die is established for cooling bed die and the bed die cooling trough do not communicated with lower mode cavity, the surface roughness precision of described upper cavity and lower mode cavity is all higher than Ra0.4.
As preferably, described mold cooling trough twist, described bed die cooling trough twist, by the shape of mold cooling trough and bed die cooling trough is set to volution, make mould structure simple and by mold cooling trough and bed die cooling trough shape are set to volution, driver blade cools evenly in quenching process, improves the quenching quality of driver blade.
As preferably, described upper cavity and lower mode cavity all ensure surface roughness precision by grinding work working method, and upper cavity and lower mode cavity all ensure surfaceness by ground finish mode, make mould be convenient to the obtained manufacturing cost reducing mould.
As preferably, described bed die is provided with the guide frame combining precision for improving bed die and bed die, described guide frame comprises the guidepost be arranged on the bed die pilot hole suitable with guidepost on the upper mold with setting, described pilot hole opening part is provided with the chamfering be convenient to guidepost and entered, by arranging liner, make mold and bed die quality of fit high, and chamfering is set at pilot hole opening part guidepost is easily entered, improve the quality of product.
Driver blade quenching technology provided by the invention, tool has the following advantages: heat-treat by being placed in mould by driver blade, driver blade heat treatment process is carried out under non-free state, in heat treatment process, driver blade can not be out of shape, follow-up leveling is not needed to add technique, improve the manufacture efficiency of driver blade and directly do not contact with cooling fluid in driver blade quenching process, driver blade steady quality, flawless, extending the work-ing life of driver blade.
Driver blade quenching technology mould provided by the invention, tool has the following advantages: by the surfaceness by ensureing mold cavity, and mold cooling trough is not communicated with upper cavity, bed die cooling trough does not communicate with lower mode cavity, driver blade has had surface quality higher in heat treatment process, driver blade after thermal treatment is completed does not need following process, improve the working (machining) efficiency of driver blade, driver blade does not need following process, reduce the internal stress of driver blade, extend the work-ing life of driver blade.
Accompanying drawing explanation
Accompanying drawing 1 is the front view of driver blade quenching technology upper mould tool of the present invention,
Accompanying drawing 2 is sectional views of driver blade quenching technology upper mould tool of the present invention and bed die,
Accompanying drawing 3 is operating diagram of driver blade quenching technology upper mould tool of the present invention.
Embodiment
Quenching technology principle is levied in transmission of the present invention: take out after driver blade being heated to quenching temperature and be placed in mould, by ensureing that the temperature of mould ensures the quenching velocity of driver blade, specifically, driver blade injects cooling fluid while being placed in mould in mould, the temperature of driver blade is absorbed by mould by thermal conduction, the heat absorbed under the cooling effect of cooling fluid due to mould rapidly cooled liquid is taken away, therefore, the quench cooling rate of driver blade can be ensured by the method for cooling die in quenching technology, in driver blade quenching technology of the present invention, driver blade does not contact with cooling fluid, and driver blade heat treatment process is carried out under non-free state, in heat treatment process, driver blade can not be out of shape, follow-up leveling is not needed to add technique, improve the manufacture efficiency of driver blade and heat-treat under non-free state due to driver blade, driver blade does not need following process, steady quality, extend the work-ing life of driver blade.
In driver blade quenching technology of the present invention, described in step c, d, e ensure die temperature be no more than 120 degrees Celsius namely ensure that the temperature of the temperature of mould in cooling fluid is to 120 degrees Celsius between, specifically, the lower quench cooling rate of die temperature is faster, in actual mechanical process, should the concrete structure thickness of structure driven sheet reasonable mould be selected to ensure temperature, in order to prevent the excessive temperature of mould that can make of internal stress relatively higher time as less in driver blade thickness; Ensure that die temperature is no more than 120 degrees Celsius by water-cooling pattern in step c, d, e, also ensure that die temperature is no more than 120 degrees Celsius by oil cooling mode, by water coolant driver blade quenched and ensure that die temperature is no more than 120 degrees Celsius, reduce the manufacturing cost of driver blade, because in driver blade quenching technology of the present invention, cooling fluid does not directly contact with driver blade, therefore, the medium of cooling fluid is selected comparatively flexible.
Embodiment one
Driver blade quenching technology, comprises the following steps:
A, heating: quenching temperature driver blade being heated to 700 degrees Celsius;
B, maintenance: keep 11 minutes after the driver blade in step a being heated to quenching temperature;
C, driver blade set: the driver blade in step b is taken out and is placed in mould and ensures that die temperature is no more than 120 degrees Celsius by water-cooling pattern;
D, pressurization: adopt hydropress apply the pressure of 8 tons to the mould in step c and ensure that die temperature is no more than 120 degrees Celsius by water-cooling pattern;
E, pressure keep: keep 50 seconds after the mould in steps d applies pressure to particular value and ensure that die temperature is no more than 120 degrees Celsius by water-cooling pattern;
F, taking-up: the driver blade obtained in step e is taken out;
G, tempering: driver blade obtained in step f is carried out tempering, and tempering temperature is 400 degrees Celsius.
Adopt the driver blade that the present embodiment driver blade quenching technology is obtained, be out of shape in driver blade flawless, heat treatment process, and need not smoothly process after driver blade thermal treatment, improve the quality of driver blade.
Embodiment two
Driver blade quenching technology, comprises the following steps:
A, heating: quenching temperature driver blade being heated to 800 degrees Celsius;
B, maintenance: keep 12 minutes after the driver blade in step a being heated to quenching temperature;
C, driver blade set: the driver blade in step b is taken out and is placed in mould and ensures that die temperature is no more than 120 degrees Celsius;
D, pressurization: the pressure of 10 tons is applied to the mould in step c and ensures that die temperature is no more than 120 degrees Celsius;
E, pressure keep: keep 70 seconds after the mould in steps d applies pressure to particular value and ensure that die temperature is no more than 120 degrees Celsius;
F, taking-up: the driver blade obtained in step e is taken out;
G, tempering: driver blade obtained in step f is carried out tempering, and tempering temperature is 420 degrees Celsius.
Adopt the driver blade that the present embodiment driver blade quenching technology is obtained, be out of shape in driver blade flawless, heat treatment process, need not smooth processing and make driver blade have better mechanical property after driver blade thermal treatment, improve quality and the production efficiency of driver blade.
Embodiment three
Driver blade quenching technology, comprises the following steps:
A, heating: quenching temperature driver blade being heated to 750 degrees Celsius;
B, maintenance: keep 11.5 minutes after the driver blade in step a being heated to quenching temperature;
C, driver blade set: the driver blade in step b is taken out and is placed in mould and ensures that die temperature is no more than 120 degrees Celsius;
D, pressurization: the pressure of 9 tons is applied to the mould in step c and ensures that die temperature is no more than 120 degrees Celsius;
E, pressure keep: keep 60 seconds after the mould in steps d applies pressure to particular value and ensure that die temperature is no more than 120 degrees Celsius;
F, taking-up: the driver blade obtained in step e is taken out;
G, tempering: driver blade obtained in step f is carried out tempering, and tempering temperature is 410 degrees Celsius.
Adopt the driver blade that the present embodiment driver blade quenching technology is obtained, be out of shape in driver blade flawless, heat treatment process, and need not smoothly process after driver blade thermal treatment, improve quality and the production efficiency of driver blade.
Pressurization in steps d of the present invention, namely making mould and driver blade fit by applying reactive force to mould, preventing driver blade from quenching technology process, producing distortion.
Driver blade quenching technology mould, as Fig. 1, Fig. 2, shown in Fig. 3, because the structure of mold 1 and bed die 2 is close, the front view of bed die 2 is identical with the front view of mold 1, therefore, the front view of mould has only been drawn in accompanying drawing, comprise mold 1 and bed die 2, described mold 1 is provided with upper cavity 11, described bed die 2 is provided with lower mode cavity 21, described upper cavity 11 and lower mode cavity 21 combine rear and driver blade 3 shape is suitable, described mold 1 is provided with for cooling mold 1 and the mold cooling trough 12 do not communicated with upper cavity 11, described bed die 2 is established for cooling bed die 2 and the bed die cooling trough 22 do not communicated with lower mode cavity 21, the surface roughness precision of described upper cavity 11 and lower mode cavity 21 is all higher than Ra0.4, described upper cavity 11 and lower mode cavity 21 all ensure surface roughness precision by grinding work working method, mould is made to be convenient to the obtained manufacturing cost reducing mould.
Optionally, mold cooling trough 12 twist, bed die cooling trough 22 twist, by the shape of mold cooling trough 12 and bed die cooling trough 22 is set to volution, make mould structure simple and by mold cooling trough 12 and bed die cooling trough 22 shape are set to volution, driver blade 3 cools evenly in quenching process, improve the quenching quality of driver blade 3, in specific design process, in order to improve the speed of cooling of mould tool under the not impaired prerequisite of guarantee mould, described mold 1 cooling trough should as far as possible close to upper cavity 11, described bed die cooling trough 22 should as far as possible close to bed die cooling trough 22, mold 1 and bed die 2 are all made with the material of good heat conductivity, as materials etc. such as stainless steels.
Further, described bed die 2 is provided with the guide frame combining precision for improving bed die 2 and bed die 2, described guide frame comprises and is arranged on guidepost on bed die 2 23 and is arranged on pilot hole 13 suitable with guidepost 23 on mold 1, described pilot hole 13 opening part is provided with the chamfering be convenient to guidepost 23 and entered, by arranging liner, make mold 1 and bed die 2 quality of fit high, and arranging chamfering at pilot hole 13 opening part makes guidepost 23 easily enter, and improves the quality of product.
Technique scheme is in use: as shown in Figure 3, first design one secondary upper cavity 11 and lower mode cavity 21 coordinate rear and that driver blade 3 is suitable mould, this mould has mold 1 and bed die 2, mold 1 is provided with mold cooling trough 12, bed die 2 is provided with bed die cooling trough 22, ensured the surfaceness of mold cavity by ground finish mode in mold pressing process, then mould is arranged on a hydraulic press, again driver blade 3 is heated to quenching temperature and keeps certain hour, finally biography sheet is put into mould, primer fluid press, driver blade 3 is quenched under non-free state, heat-treat by driver blade 3 is placed in mould, driver blade 3 heat treatment process is carried out under non-free state, in heat treatment process, driver blade 3 can not be out of shape, follow-up leveling is not needed to add technique, improve driver blade 3 manufacture efficiency and due to driver blade 3 be heat-treat under non-free state, driver blade 3 does not need following process, steady quality, flawless, extends the work-ing life of driver blade 3.
These are only the preferred embodiment of the present invention, being intended to embody outstanding technique effect of the present invention and advantage, is not the restriction to technical scheme of the present invention.Those skilled in the art will appreciate that all amendments made based on the technology of the present invention content, change or substitute technology feature, all should be covered by the technology category of claims of the present invention opinion.
Claims (2)
1. driver blade quenching technology, is characterized in that: comprise the following steps:
A, heating: quenching temperature driver blade being heated to 700 degrees Celsius to 800 degrees Celsius;
B, maintenance: keep 11 minutes to 12 minutes after the driver blade in step a being heated to quenching temperature;
C, driver blade set: the driver blade in step b is taken out and is placed in mould and ensures that die temperature is no more than 120 degrees Celsius;
D, pressurization: the pressure of 8 tons to 10 tons is applied to the mould in step c and ensures that die temperature is no more than 120 degrees Celsius;
E, pressure keep: keep after the mould in steps d applies pressure to particular value ensureing that die temperature is no more than 120 degrees Celsius by 70 seconds in 50 seconds;
F, taking-up: the driver blade obtained in step e is taken out;
G, tempering: driver blade obtained in step f is carried out tempering, and tempering temperature is 400 degrees Celsius to 420 degrees Celsius;
All ensure that die temperature is no more than 120 degrees Celsius by water-cooling pattern in described step c, d, e;
Hydropress is adopted to apply pressure to mould in described Step d.
2. a driver blade quenching technology mould as claimed in claim 1, comprise mold (1) and bed die (2), described mold (1) is provided with upper cavity (11), described bed die (2) is provided with lower mode cavity (21), described upper cavity (11) and lower mode cavity (21) combine rear and driver blade shape is suitable, it is characterized in that: described mold (1) is provided with for cooling mold (1) and the mold cooling trough (12) do not communicated with upper cavity (11), described bed die (2) is established for cooling bed die (2) and the bed die cooling trough (22) do not communicated with lower mode cavity (21), the surface roughness precision of described upper cavity (11) and lower mode cavity (21) is all higher than Ra0.4,
Twist, described bed die cooling trough (22) twist for described mold cooling trough (12);
Described upper cavity (11) and lower mode cavity (21) all ensure surface roughness precision by grinding work working method;
Described bed die (2) is provided with the guide frame combining precision for improving bed die (2) and mold (1), described guide frame comprises the guidepost (23) that is arranged on bed die (2) and is arranged on the pilot hole (13) that mold (1) is upper and guidepost (23) is suitable, and described pilot hole (13) opening part is provided with the chamfering be convenient to guidepost (23) and entered.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310656459.2A CN103627874B (en) | 2013-12-06 | 2013-12-06 | Transmission piece quenching technology and die for transmission piece quenching technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310656459.2A CN103627874B (en) | 2013-12-06 | 2013-12-06 | Transmission piece quenching technology and die for transmission piece quenching technology |
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| CN103627874A CN103627874A (en) | 2014-03-12 |
| CN103627874B true CN103627874B (en) | 2015-03-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106086366B (en) * | 2016-08-18 | 2017-11-10 | 青岛中旭精密模具有限公司 | A kind of hardware makes and uses steel mold annealing device |
| CN110564935A (en) * | 2019-10-18 | 2019-12-13 | 江麓机电集团有限公司 | Micro-dish-shaped external tooth friction plate forming quenching tool and method |
| CN112680575A (en) * | 2020-12-10 | 2021-04-20 | 苏州市施晟帆精密机械有限公司 | Pressure processing method of metal material sheet |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06322444A (en) * | 1993-05-10 | 1994-11-22 | Hitachi Metals Ltd | Method of heat treatment of die cast die having water cooling hole |
| CN2521224Y (en) * | 2001-12-30 | 2002-11-20 | 毛新伟 | Clutch diaphragm spring deformation thermal treatment moulding |
| CN1936031A (en) * | 2006-10-13 | 2007-03-28 | 三一重工股份有限公司 | Integral quenching type land leveller blade manufacturing method and quenching die |
| JP5169030B2 (en) * | 2007-06-08 | 2013-03-27 | 日産自動車株式会社 | Quenching method and quenching apparatus |
| CN203044648U (en) * | 2012-10-21 | 2013-07-10 | 吉林大学 | Local quench hardening forming die for super-strength steel plate |
-
2013
- 2013-12-06 CN CN201310656459.2A patent/CN103627874B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06322444A (en) * | 1993-05-10 | 1994-11-22 | Hitachi Metals Ltd | Method of heat treatment of die cast die having water cooling hole |
| CN2521224Y (en) * | 2001-12-30 | 2002-11-20 | 毛新伟 | Clutch diaphragm spring deformation thermal treatment moulding |
| CN1936031A (en) * | 2006-10-13 | 2007-03-28 | 三一重工股份有限公司 | Integral quenching type land leveller blade manufacturing method and quenching die |
| JP5169030B2 (en) * | 2007-06-08 | 2013-03-27 | 日産自動車株式会社 | Quenching method and quenching apparatus |
| CN203044648U (en) * | 2012-10-21 | 2013-07-10 | 吉林大学 | Local quench hardening forming die for super-strength steel plate |
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| CN103627874A (en) | 2014-03-12 |
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