CN207313655U - Quenching apparatus - Google Patents
Quenching apparatus Download PDFInfo
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- CN207313655U CN207313655U CN201721411369.7U CN201721411369U CN207313655U CN 207313655 U CN207313655 U CN 207313655U CN 201721411369 U CN201721411369 U CN 201721411369U CN 207313655 U CN207313655 U CN 207313655U
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- hardening media
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- quenching tank
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Abstract
The utility model belongs to plate spring sheet preparation field, and in particular to a kind of quenching apparatus, it includes glowing furnace, quenching tank and quenching fixture；Quenching fixture is installed in quenching tank, and every group of quenching fixture is made of two clamp bodies and at least one clamp body connection displacement driving mechanism；Installation quenching case lid at the top of quenching tank；Hardening media is set to pour in mouth on the side wall of quenching tank, its bottom is exported equipped with hardening media, and the position that hardening media pours in mouth is higher than quenching fixture.The utility model is compact-sized, saves space, while instead of manual operation, realizes mechanization production, not only save manpower, avoided security risk, but also quenching velocity can be improved, and improve production efficiency, shorten life cycle of the product, so as to meet the needs of industrialized production.
Description
Technical field
A kind of quenching apparatus is the utility model is related to, belongs to plate spring sheet preparation field.
Background technology
Orthodox car leaf spring is composed of some flat spring steel, in leaf springs of car production process, the processing of plate spring sheet
Technique is most important.Existing plate spring sheet Quenching Production Line is mostly row's type production line, and multiple quenching press are arranged as straight line, quench
Fiery media slot is located at the bottom of quenching press.After plate spring sheet comes out out of quenching big stove, each quenching is transmitted to by transport mechanism
Machine front end, worker complete Manual feeding work, start quenching press clamp system, and hardening media is quickly put into after clamping plate spring sheet
In, at the same under the action of wabbler mechanism complete workpiece quenching cooling procedure, reach duration of oscillation after quenching press unclamp clamp
Mechanism, plate spring sheet are freely fallen among hardening media groove, complete quenching process.
But current quenching technical, is all to immerse plate spring sheet in hardening media, therefore, each location contacts are empty in plate spring sheet
Gas and the time immersed in hardening media are different, the plate spring sheet finished product that can make to obtain after quenching having differences property in quality,
Influence the quality of plate spring sheet (such as：It is deformed and lateral curvature, causes that the later stage assembles and entrucking is difficult) and service life.
And there is also following many defects in application for the production line used at present in quenching technical：
1. since quenching press is straight line arrangement, production scene is taken up an area larger；
2. worker needs to hurry back and forth back and forth, the quenching press limited amount that each worker can look after；
3. since existing quenching press is open equipment, high temperature workpiece enters oil and produces a large amount of pernicious gases, it is difficult to eliminates ring
Border pollution problem；
4. the heavier-weight (20-30 kilograms) of some plate spring sheet monolithics, since feeding process mainly passes through manual operation, labor
Fatigue resistance is larger, productivity is low, and is unfavorable for automation transition.
5. due to heated work pieces, the residence time is different in atmosphere, causes unstable product quality.
Utility model content
The technical problems to be solved in the utility model is：Overcome deficiency of the prior art, there is provided one kind, which can improve, quenches
Spend at top speed, shorten life cycle of the product and improve the quenching apparatus of product quality and stability.
Quenching apparatus described in the utility model includes glowing furnace, quenching tank and quenching fixture；Quenching fixture, which is installed on, to be quenched
In fiery groove, every group of quenching fixture is made of two clamp bodies, and at least one clamp body connection displacement driving mechanism, two clamp bodies
Between can form the space to match with plate spring sheet shape, it is when two clamp bodies coordinate, plate spring sheet is hot-forming；Quenching tank
Top installation quenching case lid, for closing quenching tank；Hardening media is set to pour in mouth on the side wall of quenching tank, its bottom, which is equipped with, quenches
Fiery media outlet, the position that hardening media pours in mouth are higher than quenching fixture.
In application, by glowing furnace heat, keep the temperature after plate spring sheet be put into quenching fixture in quenching tank two clamp bodies it
Between, and body is driven fixture to displacement drive mechanism, the cooperation of two clamp bodies is clamped plate spring sheet hot-forming；Then by quenching box
It is placed on above quenching tank, quenching tank is closed；Afterwards, make the quenched medium of hardening media pour in outspoken speed to pour in and from top
Pour in plate spring sheet, plate spring sheet is quickly cooled down in the state of clamping is hot-forming, when hardening media submerges plate spring sheet
Afterwards (in practical application, after hardening media pours in 1s, you can plate spring sheet is submerged), make hardening media quenching from quenching trench bottom
Fiery media outlet outflow, while hardening media continues quickly to pour in from top.At the same time, plate spring sheet is in the quenching quickly flowed
The continuous cooling of medium is issued to the purpose of rapid quenching.After the completion of quenching, stopping feed liquor, (i.e. hardening media does not enter back into quenching
In groove), quenching case lid is opened, the plate spring sheet for completing quenching is taken away, so far, completes a wheel quenching process, and be transferred to lower road work
Sequence.In practical application, multigroup quenching tank can be installed, cooling is carried out at the same time to multigroup plate spring sheet, to improve production efficiency.
Preferably, hardening media cooling system is added, hardening media outlet accesses hardening media cooling system by pipeline,
The outlet of hardening media cooling system connects hardening media by return duct and pours in mouth, and feed liquor mechanism is installed on return duct.In this way, through
The hardening media of hardening media outlet outflow can be entered in hardening media cooling system by return duct to be cooled down, after cooling
Hardening media again returns to feed liquor mechanism, and quickly pours in quenching tank, realizes that the cooling cycle of hardening media utilizes.Further
Preferably, the feed liquor mechanism uses liquid feeding pump, squeezes into quenching tank hardening media by liquid feeding pump, realizes hardening media
Quick pour in.
Preferably, air inlet and outlet flue, outlet flue connection smoke exhaust pipe are set on the side wall of the quenching tank, and smoke exhaust pipe connects
Enter cooking fume purification handling system, the position of air inlet and outlet flue is above quenching fixture.Quench in application, being poured in hardening media
While fiery groove, open cooking fume purification handling system, make high temperature plate spring sheet contact with hardening media caused by a large amount of be harmful to gas
Body reaches cooking fume purification handling system progress purified treatment through outlet flue, smoke exhaust pipe and discharges, and avoids the dirt to working environment
Dye, has reached environmental requirement, while avoids operating personnel from sucking pernicious gas, and the personal safety to operating personnel provides effectively
Ensure.
Preferably, the displacement drive mechanism uses oil cylinder.It is further preferred that the cylinder body of oil cylinder is installed on quenching tank
Outer wall on, its piston rod passes through quenching tank outer wall, and in quenching tank, piston rod coordinates with the sealing of quenching tank outer wall, folder
The specific end for being fixed on piston rod.In practical application, in order to ensure the even running of clamp body, can be set in quenching tank
Guiding mechanism is put, concrete scheme is：At least one piece protrusion sliding block is set in the bottom of clamp body, and corresponding protrusion sliding block is in quenching tank
Bottom strip guide rail is set, the length direction of strip guide rail is the direction of displacement of clamp body, when oil cylinder starts, piston
Bar drives clamp body to be translated along strip guide rail.
Preferably, manipulator is equipped between the quenching tank and glowing furnace.During work, by manipulator by glowing furnace
Plate spring sheet out is put into the quenching fixture in quenching tank, when quenching fixture by plate spring sheet clamping and positioning and it is hot-forming after,
Manipulator is retracted, quenching case lid closing after the completion of to be quenched, quenching case lid is opened, and will complete to quench by manipulator
The plate spring sheet of fire is taken away, is transferred to next procedure.Manual operation is instead of by using manipulator, not only avoids security risk, but also
Manpower is saved, realizes mechanization production, while is conducive to improve production efficiency, shortens the production cycle of product.
During practical application, since hardening media is quickly to pour in from top in quenching tank and poured from top in plate spring sheet,
By using hardening media substantial amounts of, low temperature, constantly pouring in, quickly flowing, enable plate spring sheet each position same
Time contacts with hardening media, i.e., quenching effect is consistent, it is ensured that the metallographic structure of gained plate spring sheet is uniform after quenching, quenches at the same time
Pouring in continuously and healthily so that the plate spring sheet for needing to quench quickly cools down for medium, so that crystal grain is finer and closely woven, makes tissue by Austria
Family name's body is changed into the faster more complete of martensite transfor mation.For common material, using the gold of conventional quenching mode out
The grain size of phase constitution is generally at 5 grades or so, but the crystal grain of the metallographic structure obtained using quenching technical described in the utility model
Degree can reach more than 6.5 grades, for grained material, even up to more than 8 grades, so as to extend the fatigue life of plate spring sheet
(fatigue life brings up to 150,000 times or so from average 100,000 times), improves the intensity and hardness of plate spring sheet finished product, finally can be more
The good performance for having given play to spring steel.
Possessed beneficial effect is the utility model compared with prior art：
Quenching apparatus described in the utility model is compact-sized, saves space, while instead of manual operation, realizes machine
Tool metaplasia is produced, and had not only been saved manpower, has been avoided security risk, but also can improve quenching velocity, improves production efficiency, shortens product
Production cycle, so as to meet the needs of industrialized production；Hardening media can be made largely fast from top in practical application
Speed is poured in and quickly poured in plate spring sheet, plate spring sheet each position is contacted in the same time with hardening media, it is ensured that quenching
The metallographic structure of gained plate spring sheet is uniform afterwards, while plate spring sheet is quickly cooled down, so that crystal grain is finer and closely woven, by plate spring sheet
Fatigue life brings up to 150,000 times or so from average 100,000 times, and the intensity and hardness for making plate spring sheet finished product greatly improve, and improve
Product quality and stability, have preferably given play to the performance of spring steel.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is that the utility model omits hardening media cooling system and quenches the top view after case lid.
In figure：1st, quenching tank；2nd, air inlet；3rd, quenching fixture；4th, case lid is quenched；5th, manipulator；6th, feed liquor mechanism；7th, return
Flow tube；8th, hardening media cooling system；9th, pipeline；10th, piston rod；11st, cylinder body；12nd, strip guide rail；13rd, clamp body；14、
Plate spring sheet；15th, smoke exhaust pipe；16th, cooking fume purification handling system.
Embodiment
The embodiment of the utility model is described further below in conjunction with the accompanying drawings：
As shown in Figure 1, 2, quenching apparatus described in the utility model includes glowing furnace, manipulator 5, quenching tank 1, quenching folder
Tool 3, cooking fume purification handling system 16 and hardening media cooling system 8；Quenching fixture 3 is installed in quenching tank 1, every group of quenching folder
Tool 3 is made of two clamp bodies 13, and one of clamp body 13 connects displacement driving mechanism, two clamp bodies 13 of quenching fixture 3 it
Between can form the space to match with 14 shape of plate spring sheet, when two clamp bodies 13 coordinate, by 14 clamping and positioning of plate spring sheet and heat
It is molded；The top installation quenching case lid 4 of quenching tank 1, for closing quenching tank 1；Hardening media is set on the side wall of quenching tank 1
Mouth, air inlet 2 and outlet flue are poured in, its bottom is exported equipped with hardening media, and air inlet 2, outlet flue and hardening media pour in
The position of mouth is above quenching fixture 3；Hardening media outlet accesses hardening media cooling system 8 by pipeline 9, and hardening media is cold
But the outlet of system 8 connects hardening media by return duct 7 and pours in mouth, installation feed liquor mechanism 6 on return duct 7, in the present embodiment
Feed liquor mechanism 6 uses liquid feeding pump；Outlet flue connects smoke exhaust pipe 15, and smoke exhaust pipe 15 accesses cooking fume purification handling system 16.
Displacement drive mechanism in the present embodiment uses oil cylinder, and the cylinder body 11 of oil cylinder is installed on the outer wall of quenching tank 1, oil
The piston rod 10 of cylinder is through 1 outer wall of quenching tank (piston rod 10 coordinates with the sealing of 1 outer wall of quenching tank) and in quenching tank 1, folder
Specific 13 are fixed on the end of piston rod 10, and in order to ensure the even running of clamp body 13, the present embodiment is at the bottom of clamp body 13
Portion sets at least one piece protrusion sliding block, and corresponding protrusion sliding block sets strip guide rail 12, strip guide rail in the bottom of quenching tank 1
12 length direction is the direction of displacement of clamp body 13, and when oil cylinder starts, piston rod 10 drives clamp body 13 to be led along strip
Rail 12 translates.
The processing step quenched using above-mentioned quenching apparatus to plate spring sheet is as follows：
Heat, keep the temperature 1. plate spring sheet is placed in glowing furnace；
2. the plate spring sheet 14 come out in glowing furnace is put into two clamp bodies of quenching fixture 3 in quenching tank 1 by manipulator 5
Between 13, start oil cylinder, corresponding clamp body 13 is close to another clamp body 13 under hydraulic oil cylinder driving, matches somebody with somebody by two clamp bodies 13
Conjunction clamps plate spring sheet 14 hot-forming；
3. retracting and (reaching outside quenching tank 1) manipulator 5, quenching case lid 4 is closed；
4. starting liquid feeding pump, 45 DEG C~60 DEG C of the quenched medium of hardening media pours in outspoken speed and pours in quenching tank 1, and
Poured from top in plate spring sheet, plate spring sheet is quickly cooled down in the state of clamping is hot-forming, hardening media is pouring in
Cooking fume purification handling system 16 is opened while quenching tank 1.(in practical application, starting after hardening media submerges plate spring sheet
After liquid feeding pump 1s, hardening media can submerge plate spring sheet), hardening media cooling system 8 is opened, makes hardening media from quenching tank
The hardening media outlet outflow of 1 bottom, while hardening media continues quickly to pour in from top.At the same time, plate spring sheet is quick
The continuous circulation of the hardening media of flowing is issued to the purpose of rapid quenching.In the utility model, quenched media outlet outflow
Hardening media can be entered by return duct 7 in hardening media cooling system 8 and cooled down, hardening media after cooling returns again to
To liquid feeding pump, and quickly pour in quenching tank 1, realize that the cooling cycle of hardening media utilizes.And in quenching process, high temperature plate
Caused a large amount of pernicious gases then reach cooking fume purification handling by outlet flue, smoke exhaust pipe 15 when reed is contacted with hardening media
System 16 carries out purified treatment and discharges.
5. after the cool time as defined in reaching (if the thickness of plate spring sheet is d millimeters, which is 6d seconds),
Liquid feeding pump, hardening media cooling system 8 and cooking fume purification handling system 16 are closed, opens quenching case lid 4, and pass through manipulator
5 take the plate spring sheet for completing quenching away, so far, complete a wheel quenching process, and be transferred to next procedure.
Claims (8)
- A kind of 1. quenching apparatus, it is characterised in that：Including glowing furnace, quenching tank (1) and quenching fixture (3)；Quenching fixture (3) is pacified In quenching tank (1), every group of quenching fixture (3) is made of two clamp bodies (13), and at least one clamp body (13) connects Displacement drive mechanism, can form the space to match with plate spring sheet (14) shape between two clamp bodies (13)；Quenching tank (1) Top installation quenches case lid (4), sets hardening media to pour in mouth on its side wall, its bottom is exported equipped with hardening media, and quenching is situated between The position that matter pours in mouth is higher than quenching fixture (3).
- 2. quenching apparatus according to claim 1, it is characterised in that：Add hardening media cooling system (8), hardening media Outlet accesses hardening media cooling system (8) by pipeline (9), and hardening media cooling system (8) outlet passes through return duct (7) even Welding and quenching medium pours in mouth, and feed liquor mechanism (6) is installed on return duct (7).
- 3. quenching apparatus according to claim 2, it is characterised in that：The feed liquor mechanism (6) uses liquid feeding pump.
- 4. quenching apparatus according to claim 1, it is characterised in that：Air inlet is set on the side wall of the quenching tank (1) (2) and outlet flue, outlet flue connection smoke exhaust pipe (15), smoke exhaust pipe (15) access cooking fume purification handling system (16), air inlet (2) Quenching fixture (3) is above with the position of outlet flue.
- 5. quenching apparatus according to claim 1, it is characterised in that：The displacement drive mechanism uses oil cylinder.
- 6. quenching apparatus according to claim 5, it is characterised in that：The cylinder body (11) of the oil cylinder is installed on quenching tank (1) on outer wall, its piston rod (10) passes through quenching tank (1) outer wall, and in quenching tank (1), piston rod (10) and quenching The sealing of groove (1) outer wall coordinates, and clamp body (13) is fixed on the end of piston rod (10).
- 7. quenching apparatus according to claim 1, it is characterised in that：The bottom of clamp body (13) sets at least one piece protrusion Sliding block, corresponding protrusion sliding block set strip guide rail (12), the length direction of strip guide rail (12) in the bottom of quenching tank (1) For the direction of displacement of clamp body (13).
- 8. according to any quenching apparatus in claim 1~7, it is characterised in that：The quenching tank (1) and glowing furnace Between be equipped with manipulator (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721411369.7U CN207313655U (en) | 2017-10-27 | 2017-10-27 | Quenching apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721411369.7U CN207313655U (en) | 2017-10-27 | 2017-10-27 | Quenching apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207313655U true CN207313655U (en) | 2018-05-04 |
Family
ID=62378890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721411369.7U Active CN207313655U (en) | 2017-10-27 | 2017-10-27 | Quenching apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207313655U (en) |
-
2017
- 2017-10-27 CN CN201721411369.7U patent/CN207313655U/en active Active
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