CN208378938U - A kind of heat treatment quenching equipment - Google Patents
A kind of heat treatment quenching equipment Download PDFInfo
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- CN208378938U CN208378938U CN201820974037.8U CN201820974037U CN208378938U CN 208378938 U CN208378938 U CN 208378938U CN 201820974037 U CN201820974037 U CN 201820974037U CN 208378938 U CN208378938 U CN 208378938U
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Abstract
The utility model belongs to technical field of heat treatment, disclose a kind of heat treatment quenching equipment, including the first fan, first gear, motor, eccentric wheel, water pump and first spray head group, the central axis of first fan is equipped with first bevel gear, the central axis of the first gear is equipped with second bevel gear, and the first bevel gear is connect with the second bevel gear external toothing；The transmission shaft of the motor is equipped with half gear, and the central axis of the eccentric wheel is equipped with second gear, and half gear is connect with the first gear or second gear external toothing；When the heat treatment quenching equipment of the utility model uses, with first gear and second gear alternate rotation, quenching cooling can be carried out to the workpiece after heating alternately through air-cooled and water cooling, avoid making the too fast formation cracking of workpiece cooling velocity because water cooling is used alone, can effectively avoid the cracking of workpiece.
Description
Technical field
The utility model belongs to technical field of heat treatment, and in particular to a kind of heat treatment quenching equipment.
Background technique
Quenching cooling refers to the rich chromium cast iron in austenitic state, by, acquisition intended tissue cooling with speed appropriate
With the process of performance.In this process, it is not reached requirement if the excessively slow organization and performance obtained of cooling rate；If cold
But rate is too fast, although tissue and performance are met the requirements, may be accompanied by the generation of cracking, cause scrapping for quenching part.It closes
The combination of suitable quenching cooling rate or technique and equipment reaches estimated performance to rich chromium cast iron and avoids cracking particularly significant.
Currently, the cooling medium used of quenching is mostly oils hardening media, organic hardening media or inorganic hardening media, oil
It quenches and the abrading-ball less than Ф 100mm is not cracked, good comprehensive mechanical performance is obtained using organic hardening media, it is inorganic to quench
Fiery medium is also able to satisfy requirement through appropriate whole tune technique, but oils hardening media, organic hardening media and inorganic hardening media are equal
It has a negative impact to environment.Also have and quenching cooling is carried out using air-cooled or water cooling, environment negative effect can be reduced, but have been reported that
Show individually dry quenching to be used to fail to harden, and crackle is individually easy to produce using water quenching.
Utility model content
In order to solve the above problems existing in the present technology, the utility model aim is to provide a kind of heat-treatment quenching and sets
It is standby.
The technology employed by the present utility model is
A kind of heat treatment quenching equipment includes the first fan, first gear, motor, eccentric wheel, water pump and first spray head group,
The central axis of first fan is equipped with first bevel gear, and the central axis of the first gear is equipped with second bevel gear, institute
First bevel gear is stated to connect with the second bevel gear external toothing；
The transmission shaft of the motor is equipped with half gear, and the central axis of the eccentric wheel is equipped with second gear, and described half
Gear is connect with the first gear or second gear external toothing, the spacing of the central axis of the first gear and half gear
It is equal with the spacing of central axis of half gear with the second gear；
Matching is equipped with piston in the water pump, and the push rod of the piston is equipped with spring, and the spring is located at the piston
Between the water pump, the end face of the push rod of the piston and the eccentric wheel are tangent, and the water pump is pushed away far from the piston
One end of bar is equipped with the first water inlet and the first water outlet, and first water outlet is connected to the first spray head group.
Further, further include the second fan, third gear and second spray head group, set on the central axis of second fan
There is third hand tap gear, the central axis of the third gear is equipped with the 4th bevel gear, the third hand tap gear and the 4th cone
Gear external toothing connection, the first gear are connect with the third gear external toothing, the second spray head group and described first
Water outlet connection.
Further, the water pump is equipped with the second water inlet and the second water outlet close to one end of the push rod of the piston,
Second water outlet is connected to the first spray head group and the second spray head group respectively.
Further, first fan and second fan are symmetric.
Further, the radius of half gear is greater than four times of radius of the first gear, and the half of half gear
Diameter is greater than six times of the radius of second gear
The utility model has the following beneficial effects:
In short, the heat treatment quenching equipment of the utility model is in use, with first gear and second gear alternate rotation,
Quenching cooling can be carried out to the workpiece after heating alternately through air-cooled and water cooling, the thermal coefficient of the thermal conductivity ratio air of water is big
20 times or so, the cooling rate of air-cooled processing is less than the cooling rate of water cooling, avoids making workpiece cooling because water cooling is used alone
Excessive velocities form cracking, and suitable quenching cooling rate can effectively avoid the cracking of workpiece；The rotation of eccentric wheel can drive work
Plug moves back and forth, will appear during reciprocating motion of the pistons water cooling and it is air-cooled alternately, during first time water quenching, work
Part surface layer is as cold as a certain temperature of Ms point or less fastly and keeps after a certain period of time, obtains partial martensite on surface layer；Workpiece is first
It is secondary it is air-cooled during, the heat on secondary surface layer is transmitted to surface layer, increases the temperature on surface layer, the result is that the martensite that surface layer has just changed
Self tempering, which occurs, is adjusted the toughness on surface layer and stress state, avoids surface layer martensitic structure and generates cracking；Then again
It repeats water cooling and replaces quenching cooling with air-cooled, until the temperature or tissue at a certain position of workpiece reach requirement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: the first fan of 11-；The second fan of 12-；21- first gear；22- second gear；23- third gear；31-
First bevel gear；32- second bevel gear；33- third hand tap gear；The 4th bevel gear of 34-；4- motor；Half gear of 41-；5- is eccentric
Wheel；6- water pump；61- piston；62- push rod；63- spring；71- first spray head group；72- second spray head group；8- workpiece.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is further elaborated the utility model.
As shown in Figure 1, a kind of heat treatment quenching equipment of the present embodiment includes the first fan 11, first gear 21, motor
4, eccentric wheel 5, water pump 6 and first spray head group 71, the central axis of first fan 11 are equipped with first bevel gear 31, and described the
The central axis of one gear 21 is equipped with second bevel gear 32, and the first bevel gear 31 connects with 32 external toothing of second bevel gear
It connects；First bevel gear 31 can be driven to rotate by second bevel gear 32.
The transmission shaft of the motor 4 is equipped with half gear 41, and the central axis of the eccentric wheel 5 is equipped with second gear 22,
Half gear is connect with the first gear or second gear external toothing；After motor 4 operates, 41 turns of half gear will drive
It is dynamic, to drive first gear or second gear to rotate, due to the spacing of the first gear and the central axis of half gear
It is equal with the spacing of central axis of half gear with the second gear, so that can first drive first in half gear rotation process
Gear rotation drives second gear to rotate again or second gear rotation is first driven to drive first gear to rotate again, first gear and the
Two gears are in the state of alternate rotation.
Matching is equipped with piston 61 in the water pump 6, and the push rod 62 of the piston is equipped with spring 63, and the spring 63 is located at
Between the piston and the water pump, the end face of the push rod of the piston and the eccentric wheel 5 are tangent, and the water pump is far from described
One end of the push rod of piston is equipped with the first water inlet and the first water outlet, and first water outlet and the first spray head group connect
It is logical.After motor operating, first gear can be made and second gear is in that the state of alternate rotation will drive when first gear rotation
Second bevel gear and first bevel gear rotation can be carried out to drive the rotation of the first fan by the air-cooled workpiece 8 to after heating
Quenching cooling.When second gear rotation, the rotation of eccentric wheel 5 will drive, when installation can be by the minimum point of eccentric wheel and push rod 62
End face contact setting, with the rotation of eccentric wheel, the highest point of eccentric wheel can be slowly close to the end face of the push rod of piston, can band
The side with discharge outlet of the push rod of piston towards water pump is displaced, and the hydraulic pressure water outlet pump in water pump is pushed to enter first spray head
Group can carry out quenching cooling to the workpiece 8 after heating by the water of the ejection of first spray head group.With first gear and the second tooth
Alternate rotation is taken turns, quenching cooling, the thermal conductivity ratio air of water can be carried out to the workpiece 8 after heating alternately through air-cooled and water cooling
Big 20 times of thermal coefficient or so, the cooling rate of air-cooled processing is less than the cooling rate of water cooling, avoids because water cooling is used alone
And making the too fast formation cracking of workpiece cooling velocity, suitable quenching cooling rate can effectively avoid the cracking of workpiece.
In eccentric rotation process, the highest point of eccentric wheel is slowly during the end face of the push rod far from piston, with
The motive force of push rod is withdrawn, and push rod slowly returns to initial position under the action of spring-return power, during this, water pump can be made remote
Side space from push rod supplements water automatically by the first water inlet, can be connected to the first water inlet with neighbouring tap, or
First water inlet is connected to water tank.During water pump supplements water, convenient for the natural cooling of workpiece, realize air-cooled.It is eccentric
The rotation of wheel can drive reciprocating motion of the pistons, will appear during reciprocating motion of the pistons water cooling and it is air-cooled alternately, the
During water quenching, workpiece surface is as cold as a certain temperature of Ms point or less fastly and keeps after a certain period of time, obtains part on surface layer
Martensite；For workpiece in first time process air cooler, the heat on secondary surface layer is transmitted to surface layer, increases the temperature on surface layer, the result is that table
Self tempering, which occurs, for the martensite that layer has just changed is adjusted the toughness on surface layer and stress state, avoids surface layer martensite group
Knit generation cracking；Then it repeats water to cool down with the quenching that replaces of air, until the temperature or tissue at a certain position of workpiece reach
It is required that.
Further include the second fan 12, third gear 23 and second spray head group 72, is set on the central axis of second fan 12
Have a third hand tap gear 33, the central axis of the third gear 23 is equipped with the 4th bevel gear 34, the third hand tap gear with it is described
4th bevel gear external toothing connection, the first gear is connect with the third gear external toothing, when first gear rotation process
In, it will drive the rotation of third gear, to drive third hand tap gear and the 4th bevel gear to rotate, so that the second fan be driven to turn
It is dynamic, quenching cooling can be realized by the air-cooled upper and lower surface to workpiece simultaneously, due to the second spray head group 72 and described the
The connection of one water outlet, makes the water of water pump that can be pushed into first spray head group 71 and second spray head group 72 automatically respectively, can pass through simultaneously
Water cooling realizes quenching cooling to the upper and lower surface of workpiece.Therefore, the air-cooled and water cooling of the upper and lower surface of workpiece can be alternately realized.
In the present embodiment, first fan and second fan are symmetric, and can make workpiece upper and lower surface
Air cooling effect is consistent.
The water of air-cooled air quantity and water cooling can be adjusted as needed, for example the radius of half gear is greater than described first
Four times of the radius of gear, the radius of half gear are greater than six times of the radius of second gear.When half gear rotates one week mistake
Journey can drive first gear rotation two weeks or more, and the first fan can be rotated two weeks or more, and second gear can also be driven to rotate three weeks
More than, band movable eccentric wheel rotates three weeks or more, so that water pump can convey water more than three times to first spray head group, it can be more real
Border needs to adjust the water of air-cooled air quantity and water cooling, reaches optimal quenching cooling effect convenient for workpiece.
The water pump is equipped with the second water inlet and the second water outlet close to one end of the push rod of the piston, and described second goes out
The mouth of a river is connected to the first spray head group and the second spray head group respectively；The piston reciprocating of water pump can be made to be displaced as needed
The lasting water cooling of workpiece is constantly realized in journey to first spray head group and second spray head group conveying water；The second water inlet can also be passed through
Mouth self water feeding is pumped supplements water in the side space of push rod, can be connected to the second water inlet with neighbouring tap, or will
Second water inlet is connected to water tank.
In short, with first gear and second gear alternate rotation, it can be alternately through air-cooled and water cooling to the work after heating
Part 8 carries out quenching cooling, and big 20 times of thermal coefficient or so of the thermal conductivity ratio air of water, the cooling rate of air-cooled processing is less than
The cooling rate of water cooling avoids making the too fast formation cracking of workpiece cooling velocity, suitable quenching cooling because water cooling is used alone
Rate can effectively avoid the cracking of workpiece.The rotation of eccentric wheel can drive reciprocating motion of the pistons, meeting during reciprocating motion of the pistons
Occur water cooling and it is air-cooled alternately, during first time water quenching, workpiece surface is as cold as a certain temperature of Ms point or less simultaneously fastly
It keeps after a certain period of time, obtains partial martensite on surface layer；For workpiece during air-cooled for the first time, the heat on secondary surface layer is transmitted to table
Layer, increases the temperature on surface layer, the result is that self tempering, which occurs, for the martensite that surface layer has just changed makes the toughness and stress shape on surface layer
State is adjusted, and is avoided surface layer martensitic structure and is generated cracking；Then water is repeated to cool down with the quenching that replaces of air, until
The temperature or tissue at a certain position of workpiece reach requirement.
The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model
Other various forms of products, however, making any variation in its shape or structure, all the utility model rights that falls into are wanted
The technical solution in confining spectrum is sought, is all fallen within the protection scope of the utility model.
Claims (5)
1. a kind of heat treatment quenching equipment, it is characterised in that: including the first fan, first gear, motor, eccentric wheel, water pump and
First spray head group, the central axis of first fan are equipped with first bevel gear, and the central axis of the first gear is equipped with the
Two bevel gears, the first bevel gear are connect with the second bevel gear external toothing；
The transmission shaft of the motor is equipped with half gear, and the central axis of the eccentric wheel is equipped with second gear, half gear
It is connect with the first gear or second gear external toothing, the spacing of the central axis of the first gear and half gear and institute
It is equal with the spacing of central axis of half gear to state second gear；
Matching is equipped with piston in the water pump, and the push rod of the piston is equipped with spring, and the spring is located at the piston and institute
It states between water pump, the end face of the push rod of the piston and the eccentric wheel are tangent, push rod of the water pump far from the piston
One end is equipped with the first water inlet and the first water outlet, and first water outlet is connected to the first spray head group.
2. heat treatment quenching equipment according to claim 1, it is characterised in that: further include the second fan, third gear and
Second spray head group, the central axis of second fan are equipped with third hand tap gear, and the central axis of the third gear is equipped with the
Four bevel gears, the third hand tap gear are connect with the 4th bevel gear external toothing, the first gear and the third gear
External toothing connection, the second spray head group are connected to first water outlet.
3. heat treatment quenching equipment according to claim 2, it is characterised in that: push rod of the water pump close to the piston
One end be equipped with the second water inlet and the second water outlet, second water outlet respectively with the first spray head group and described second
Nozzle group connection.
4. heat treatment quenching equipment according to claim 3, it is characterised in that: first fan and second fan
It is symmetric.
5. heat treatment quenching equipment described in any one of -4 claims according to claim 1, it is characterised in that: half gear
Radius be greater than four times of radius of the first gear, the radius of half gear is greater than six times of the radius of second gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820974037.8U CN208378938U (en) | 2018-06-21 | 2018-06-21 | A kind of heat treatment quenching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820974037.8U CN208378938U (en) | 2018-06-21 | 2018-06-21 | A kind of heat treatment quenching equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208378938U true CN208378938U (en) | 2019-01-15 |
Family
ID=64965160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820974037.8U Active CN208378938U (en) | 2018-06-21 | 2018-06-21 | A kind of heat treatment quenching equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208378938U (en) |
-
2018
- 2018-06-21 CN CN201820974037.8U patent/CN208378938U/en active Active
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