CN106119482A - The Special quenching equipment of leaf spring - Google Patents
The Special quenching equipment of leaf spring Download PDFInfo
- Publication number
- CN106119482A CN106119482A CN201610690763.2A CN201610690763A CN106119482A CN 106119482 A CN106119482 A CN 106119482A CN 201610690763 A CN201610690763 A CN 201610690763A CN 106119482 A CN106119482 A CN 106119482A
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- Prior art keywords
- leaf spring
- quenching
- tension
- mechanical hand
- clamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
- C21D11/005—Process control or regulation for heat treatments for cooling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses the Special quenching equipment of a kind of leaf spring, belong to the heat-treatment quenching cooling device field of leaf spring.The a whole set of quenching of applicant's design and cooling special equipment thereof, quenching chilling temperature is obtained by digital terIninal and controls, reaches the cooling curve close with design technology, it is possible to obtain preferable material structure and performance, be greatly promoted the end product quality of leaf spring.The present invention can be suitable for the leaf spring heat treatment of small lot, multi items, and rhythm of production is fast, and equipment rhythm is compact, and energy loss is little.
Description
Technical field
The invention belongs to the heat treatment quenching equipment field of leaf spring, be specifically related to the Special quenching of a kind of leaf spring
Equipment.
Background technology
At present, the quenching apparatus of leaf spring cannot accomplish digital monitoring, and cooling curve after quenching is also
Cannot realize accurately controlling, make it be consistent with intended design technology cooling curve, finally cannot obtain desired material group
Knitting and performance, the properties of the leaf spring that order actually obtains and expected design have certain drop.Additionally, existing step-by-step movement
Quenching heating furnace is suitable for high-volume single variety large-scale production, and small lot, multi items, trial product etc. are organized will when producing
Many drawbacks occur, remodeling such as mould takies the plenty of time, and productive temp is slack-off, and energy loss rises appreciably.
In consideration of it, applicant devises a whole set of quenching and remaining temperature cooling device, not only suitable small lot, multi items
Leaf spring heat treatment, controls additionally, quenching chilling temperature is obtained by digital terIninal, reaches close with design technology cold
But curve, it is possible to obtain preferable material structure and performance, is greatly promoted the end product quality of leaf spring.
Summary of the invention
The technical problem to be solved is to provide the Special quenching equipment of a kind of leaf spring, and quench chilling temperature
By digital terIninal obtain control, reach the cooling curve close with design technology, it is possible to obtain preferable material structure and
Performance, is greatly promoted the end product quality of leaf spring.Solve second of the present invention technical problem is that and can be suitable for small lot, many
The leaf spring heat treatment of kind, rhythm of production is fast, and equipment rhythm is compact, and energy loss is little.
The technical solution adopted for the present invention to solve the technical problems is: provide the Special quenching of a kind of leaf spring to set
Standby, it is characterised in that to include quenching box, quenching bath, electronic runner, hanging device and mechanical hand；Described quenching bath is arranged on quenching
The bottom of case；Described electronic runner is arranged on the roof of quenching box, on electronic runner by hanging device install three with
On mechanical hand, described electronic runner can drive hanging device and mechanical hand to rotate at quenching bath, and hanging device can
Driving mechanical hands moves up and down, and mechanical hand can unclamp or clamp leaf spring automatically, and will under the drive of hanging device
Leaf spring immerses and proposes quenching bath；Charging aperture and the discharging opening of more than three, described charging aperture is offered on described quenching box
Being connected feed bin by feeding web, described discharging opening connects different cooling storehouses；Charging aperture is installed feeding web, institute
State feeding web can be transported to by quenching bath by leaf spring；Installing discharging conveyor belts on discharging opening, described discharging is defeated
Send band can be transported to leaf spring by quenching bath cool down storehouse.
Preferably, described charging aperture and discharging opening are installed Electrically operated gate；Quenching box is installed air exhauster, described convulsion
Machine connects gas-filtering device by air draft pipeline.
Preferably, described mechanical hand arranges infrared thermometer；Described cooling storehouse includes aircooled bin and air cooling storehouse；Cold
But storehouse arranges infrared thermometer.
Preferably, also include that the infrared thermometer on digital terIninal controller, mechanical hand and cooling storehouse connects numeral
Changing terminal controller, digital terIninal controller connects and controls the temperature of quenching liquid in quenching bath, the temperature of air in cooling storehouse
Degree and wind speed.
Preferably, described feeding web is arranged on rotary power unit by bracing frame, described rotary power unit
Feeding web can be driven to rotate, make it be connected mutually from different feed bins.
Preferably, described mechanical hand includes fixed mount, in the both sides of fixed mount by the hinged clamp of jointed shaft, and described clamp
On offer arcuate groove；Arranging slide block in arcuate groove, described slide block can arcuately move back and forth by groove；Fixed mount is installed sliding
Rail, arranges electric roller in slide rail；Also including tie rod, one end connection sliding block of tie rod, the other end of tie rod connects electronic rolling
Wheel；Described electric roller can move back and forth along slide rail, drives the folding and unfolding to leaf spring of the clamp of both sides by tie rod simultaneously
Motion.
Preferably, described mechanical hand also include clamping device, described clamping device include the first and second tension bars, first
With the second take-up pulley, the first and second tension motors；Two take-up pulleies are coaxially mounted on axis, and described axis is lifted on fixing
On frame；First and second take-up pulleies connect the first and second tension motors respectively；One end of first tension bar is hinged on side card
On pincers, the other end of the first tension bar is hinged on the first take-up pulley；One end of second tension bar is hinged on the clamp of opposite side
On, the other end of the second tension bar is hinged on the second take-up pulley；The direction of rotation of the first and second tension motors is contrary；When
One tension motor rotates forward, and when the second tension motor reversely rotates, the first and second tension bars drive both sides clamp further
Tighten up, it is possible to by leaf spring firm grip；When needs unclamp leaf spring, the first tension motor reversely rotates, and second draws
Tight motor rotates forward, and the first and second tension bars and both sides clamp are simultaneously to two side shiftings.
Preferably, described mechanical hand also includes sliding stabilising arrangement；Described sliding stabilising arrangement includes sliding frame, in sliding
Slip hole is offered on frame；Offering hole for hoist on fixed mount, described axis passes hole for hoist coupling bar head, at hole for hoist and bolt head
Between axis on upper spring in tandem, sliding frame and lower spring；The fixed mount of sliding frame both sides is respectively provided with wire wheel, institute
Stating coiling steel wire on wire wheel, both sides steel wire connects the both sides of sliding frame by swelling device；
Preferably, described swelling device includes through wires hole, and the two ends up and down of described through wires hole are arranged on fixing by suspention spring
On frame, steel wire passes through wires hole；
Preferably, swelling device also includes threading apparatus, vertical rod, cross bar and balance back-moving spring, and the upper end of described vertical rod is fixed on
On fixed mount, the middle part of the lower end hinged cross rod of vertical rod, one end of cross bar is by balance back-moving spring Connection Bracket, threading apparatus
It is arranged on the other end of cross bar；Wireline pulley, wireline pulley slip support steel wire are set in described threading apparatus.
The invention has the beneficial effects as follows:
1, a whole set of of applicant's design quenches and cooling special equipment, and quenching chilling temperature is obtained by digital terIninal and controls
System, reaches the cooling curve close with design technology, it is possible to obtain preferable material structure and performance, be greatly promoted leaf spring
End product quality.The present invention can be suitable for the leaf spring heat treatment of small lot, multi items, and rhythm of production is fast, and equipment rhythm is tight
Gathering, energy loss is little.
2, the seal of quenching box is more preferably, reduces thermal loss, and discharge method, by traditional stepping blanking, becomes through design
For side discharging, discharge area is only original 7%.
3, compact equipment, is suitable for be pilot and produces, can realize 2 to 20 sortie small lot batch manufactures；
4, intelligent temperature control system, strictly controlling heating quality, temperature uniformity and product surface Decarburization Control index has substantially
Promote.
5, quenching apparatus of the present invention realizes whole-course automation in operation is implemented, and reduces manpower consumption, Gong Renwu
Needing close contact quenching environment, only need to remotely operate, safety and health coefficient is high.Additionally, fully-automatic equipment reduces
Production cost, being suitable for sample test specimen also can scale of mass production.
6, the present invention is through lab scale, pilot scale, batch trial-production and production, obtains commercialization success, implements investment cost low, real
With functional, the most in the industry cycle popularize.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of mechanical hand；
Fig. 3 is the structural representation of the swelling device of mechanical hand；
Fig. 4 is the first and second take-up pulleies and the mounting structure schematic diagram of the first and second tension motors；
In figure: 1, mechanical hand；1.1, fixed mount；1.2, jointed shaft；1.3, arcuate groove；1.4, the first tension bar；1.5, clamp；
1.6, the second tension bar；1.7, axis；1.8, the first take-up pulley；1.9, the second take-up pulley；1.10, slide block；1.11, tie rod；
1.12, electric roller；1.13, cross bar；1.14, vertical rod；1.15, hole for hoist；1.16, lower spring；1.17, sliding frame；1.18 on,
Spring；1.19, bolt head；1.20, threading apparatus；1.21, balance back-moving spring；1.22, lifting spring；1.23, through wires hole；1.24、
Wire wheel；1.25, the first tension motor；1.26, the second tension motor；
2, quenching bath；3, rotary power unit；4, bracing frame；5, feeding web；6, hanging device；7, electronic runner；8, quench
Fire-box.
Detailed description of the invention
As it is shown in figure 1, the Special quenching equipment of a kind of leaf spring of the present invention, including quenching box, quenching bath, electronic
Runner, hanging device and mechanical hand；Described quenching bath is arranged on the bottom of quenching box；Described electronic runner is arranged on quenching box
On roof, being installed the mechanical hand of more than three on electronic runner by hanging device, described electronic runner can drive lifting
Equipment and mechanical hand rotate at quenching bath, and hanging device can move up and down by driving mechanical hands, and mechanical hand can be automatic
Unclamp or clamp leaf spring, and under the drive of hanging device, leaf spring immersed and propose quenching bath；Described quenching box
On offer charging aperture and the discharging opening of more than three, described charging aperture is connected feed bin by feeding web, and described discharging opening is even
Connect different cooling storehouses；Installing feeding web on charging aperture, leaf spring can be transported to quench by described feeding web
By fire pond；Installing discharging conveyor belts on discharging opening, leaf spring can be transported to by quenching bath by described discharging conveyor belts
In cooling storehouse.
Described charging aperture and discharging opening are installed Electrically operated gate；Installing air exhauster on quenching box, described air exhauster passes through
Air draft pipeline connects gas-filtering device.
On described mechanical hand, infrared thermometer is set；Described cooling storehouse includes aircooled bin and air cooling storehouse；In cooling storehouse
Infrared thermometer is set.
Also include that the infrared thermometer on digital terIninal controller, mechanical hand and cooling storehouse connects digital terIninal control
Device processed, digital terIninal controller connects and controls the temperature of quenching liquid in quenching bath, cools down temperature and the wind speed of air in storehouse.
Described feeding web is arranged on rotary power unit by bracing frame, and described rotary power unit can drive
Feeding web rotates, and makes it be connected mutually from different feed bins.
As in figure 2 it is shown, described mechanical hand includes fixed mount, in the both sides of fixed mount by the hinged clamp of jointed shaft, described
Arcuate groove is offered on clamp；Arranging slide block in arcuate groove, described slide block can arcuately move back and forth by groove；Fixed mount is pacified
Dress slide rail, arranges electric roller in slide rail；Also including tie rod, one end connection sliding block of tie rod, the other end of tie rod connects electricity
Dynamic roller；Described electric roller can move back and forth along slide rail, drives the clamp of both sides to leaf spring by tie rod simultaneously
Folding and unfolding campaign.
As shown in Figures 2 and 4, described mechanical hand also includes that clamping device, described clamping device include the first and second tensions
Bar, the first and second take-up pulleies, the first and second tension motors；Two take-up pulleies are coaxially mounted on axis, and described axis hangs
It is contained on fixed mount；First and second take-up pulleies connect the first and second tension motors respectively；One end of first tension bar is hinged
On the clamp of side, the other end of the first tension bar is hinged on the first take-up pulley；One end of second tension bar is hinged on another
On the clamp of side, the other end of the second tension bar is hinged on the second take-up pulley；The direction of rotation of the first and second tension motors
On the contrary；When the first tension motor rotates forward, and the second tension motor reversely rotates, the first and second tension bars drive both sides card
Pincers tighten up further, it is possible to by leaf spring firm grip；When needs unclamp leaf spring, the first tension motor reversely revolves
Turning, the second tension motor rotates forward, and the first and second tension bars and both sides clamp are simultaneously to two side shiftings.
Described mechanical hand also includes sliding stabilising arrangement；Described sliding stabilising arrangement includes sliding frame, opens on sliding frame
If slip hole；Offering hole for hoist on fixed mount, described axis passes hole for hoist coupling bar head, between hole for hoist and bolt head
Upper spring in tandem, sliding frame and lower spring on axis；The fixed mount of sliding frame both sides is respectively provided with wire wheel, described steel wire
Coiling steel wire on wheel, both sides steel wire connects the both sides of sliding frame by swelling device.
As it is shown on figure 3, described swelling device includes through wires hole, the two ends up and down of described through wires hole are installed by suspention spring
On fixed mount, steel wire passes through wires hole.
Swelling device also includes threading apparatus, vertical rod, cross bar and balance back-moving spring, and the upper end of described vertical rod is fixed on fixing
On frame, the middle part of the lower end hinged cross rod of vertical rod, one end of cross bar is installed by balance back-moving spring Connection Bracket, threading apparatus
The other end at cross bar；Wireline pulley, wireline pulley slip support steel wire are set in described threading apparatus.
Described quenching apparatus in use, the leaf spring of pending different model, be individually positioned in different feed bins
In, need to process the leaf spring of which kind of model, only bracing frame and feeding web need to be driven to rotate by rotary power unit
Dock corresponding feed bin.Leaf spring is taken out by feeding web from feed bin, and is transported in quenching box.
Electronic driven by rotating wheel hanging device and the pending leaf spring of mechanical hand rotary alignment, hanging device driving mechanical
Subordinate shifting.Two electric rollers on mechanical hand move laterally, are moved by pull bar band movable slider arcuately groove simultaneously, make two
The clamp of side open, when the both sides clamp of mechanical hand are positioned at leaf spring both sides, and the inside side roll of electric roller, drive simultaneously and draw
Bar and slide block reclaim, and the both sides clamp of mechanical hand clamp leaf spring.First tension motor rotates forward, the second tension motor
During reverse rotation, the first and second tension bars drive both sides clamp to tighten up further, it is possible to by leaf spring firm grip.Sliding
When stabilising arrangement can make clamping device tighten up, it is provided that the contraction moved up and down is elastic, and swelling device can lift and tighten up dress
Put, increase the kinetic stability of tightening device.
It is transported to the top of quenching bath after mechanical hand clamping leaf spring, is placed in quenching bath, quenches
Fire operation.After completing quenching, leaf spring clamping is proposed quenching bath by mechanical hand.Further according to technological requirement, by leaf spring
It is placed on the discharging conveyor belts of correspondence, is transported in the cooling storehouse of correspondence, cools down.Period detects steel plate bullet in real time
The temperature of spring and rate of cooling, digital terIninal controller connects and controls the temperature of quenching liquid in quenching bath, cooling storehouse hollow
The temperature of gas and wind speed.
The digitized quenching technical of leaf spring, comprises the steps:
(1) preparation quenching liquid, and quenching liquid is placed in the quenching bath of quenching apparatus；
(2) leaf spring is placed on feeding web, is delivered to by quenching bath；
(3) manipulator clamping leaf spring being placed in quenching bath, carries out the operation that quenches；
(4) leaf spring being heated to 900 ± 10 DEG C, Holding Time at Austenitizing Temperature is 10～30 minutes, is put into by leaf spring
In quenching liquid, through steam blanket stage, boiling stage and complete after the convection current stage quenching；The wherein steam blanket explosion time 4～10
Second；
(5) the leaf spring clamping completing quenching is proposed quenching bath by mechanical hand；
(6), after the residual liquid until leaf spring surface evaporates totally, steel plate is detected by the infrared thermometer on mechanical hand
The surface temperature of spring；
(7) leaf spring is placed on different discharging conveyor belts by mechanical hand, and by discharging conveyor belts, leaf spring is defeated
Deliver in aircooled bin or air cooling storehouse, make leaf spring according to the technological design of chilling temperature, cold according to different rate curves
But；
(8) by the infrared thermometer in aircooled bin or air cooling storehouse, real time temperature and the cooling of leaf spring is detected in real time
Speed, and adjust aircooled bin or the air in air cooling storehouse or the temperature of cooling oil in time by digital terIninal controller, join
Close the cooling requirement of leaf spring.
Quenching chilling temperature is obtained by digital terIninal and controls, and reaches the cooling curve close with design technology, it is possible to
Obtain preferable material structure and performance, be greatly promoted the end product quality of leaf spring.
It is pointed out that above-mentioned embodiment is only the preferred embodiment of the invention, common for the art
For technical staff, on the premise of meeting operation principle of the present invention, any equivalent or similar replacement each fall within the present invention's
In protection domain.
Claims (10)
1. the Special quenching equipment of a leaf spring, it is characterised in that include that quenching box, quenching bath, electronic runner, lifting set
Standby and mechanical hand；Described quenching bath is arranged on the bottom of quenching box；Described electronic runner is arranged on the roof of quenching box, at electricity
Installed the mechanical hand of more than three on dynamic runner by hanging device, described electronic runner can drive hanging device and mechanical hand
Rotating at quenching bath, hanging device can move up and down by driving mechanical hands, and mechanical hand can automatically unclamp or clamp steel
Flat spring, and under the drive of hanging device, leaf spring immersed and propose quenching bath；Charging aperture is offered on described quenching box
With more than three discharging openings, described charging aperture is connected feed bin by feeding web, and described discharging opening connects different coolings
Storehouse；Installing feeding web on charging aperture, leaf spring can be transported to by quenching bath by described feeding web；In discharging
Installing discharging conveyor belts on Kou, leaf spring can be transported to cool down storehouse by quenching bath by described discharging conveyor belts.
The Special quenching equipment of a kind of leaf spring the most according to claim 1, it is characterised in that at described charging aperture and
Electrically operated gate is installed on discharging opening；Installing air exhauster on quenching box, described air exhauster connects gas filtration by air draft pipeline and fills
Put.
The Special quenching equipment of a kind of leaf spring the most according to claim 2, it is characterised in that set on described mechanical hand
Put infrared thermometer；Described cooling storehouse includes aircooled bin and air cooling storehouse；In cooling storehouse, infrared thermometer is set.
The Special quenching equipment of a kind of leaf spring the most according to claim 3, it is characterised in that also include that digitized is eventually
Infrared thermometer on side controller, mechanical hand and cooling storehouse connects digital terIninal controller, digital terIninal controller
Connect and control the temperature of quenching liquid in quenching bath, cool down temperature and the wind speed of air in storehouse.
The Special quenching equipment of a kind of leaf spring the most according to claim 4, it is characterised in that described feeding web
Being arranged on rotary power unit by bracing frame, described rotary power unit can drive feeding web to rotate,
It is made to be connected mutually from different feed bins.
The Special quenching equipment of a kind of leaf spring the most according to claim 5, it is characterised in that described mechanical hand includes
Fixed mount, in the both sides of fixed mount by the hinged clamp of jointed shaft, arcuate groove is offered by described clamp；Cunning is set in arcuate groove
Block, described slide block can arcuately move back and forth by groove；Fixed mount is installed slide rail, electric roller is set in slide rail；Also wrap
Including tie rod, one end connection sliding block of tie rod, the other end of tie rod connects electric roller；Described electric roller can be reciprocal along slide rail
Motion, drives the folding and unfolding campaign to leaf spring of the clamp of both sides by tie rod simultaneously.
The Special quenching equipment of a kind of leaf spring the most according to claim 6, it is characterised in that described mechanical hand also wraps
Including clamping device, described clamping device includes the first and second tension bars, the first and second take-up pulleies, the first and second tension electricity
Machine；Two take-up pulleies are coaxially mounted on axis, and described axis is lifted on fixed mount；First and second take-up pulleies connect respectively
First and second tension motors；One end of first tension bar is hinged on the clamp of side, and the other end of the first tension bar is hinged on
On first take-up pulley；One end of second tension bar is hinged on the clamp of opposite side, and the other end of the second tension article is hinged on the
On two take-up pulleies；The direction of rotation of the first and second tension motors is contrary；When the first tension motor rotates forward, the second tension electricity
When machine reversely rotates, the first and second tension bars drive both sides clamp to tighten up further, it is possible to by leaf spring firm grip；When
When needing to unclamp leaf spring, the first tension motor reversely rotates, and the second tension motor rotates forward, the first and second tension bars
With both sides clamp simultaneously to two side shiftings.
The Special quenching equipment of a kind of leaf spring the most according to claim 7, it is characterised in that described mechanical hand also wraps
Include sliding stabilising arrangement；Described sliding stabilising arrangement includes sliding frame, offers slip hole on sliding frame；Fixed mount is offered
Hole for hoist, described axis pass hole for hoist coupling bar head, in tandem on the axis between hole for hoist and bolt head on spring, sliding frame
And lower spring；Being respectively provided with wire wheel on the fixed mount of sliding frame both sides, described wire wheel coils steel wire, both sides steel wire leads to
Cross swelling device and connect the both sides of sliding frame.
The Special quenching equipment of a kind of leaf spring the most according to claim 8, it is characterised in that described swelling device bag
Including through wires hole, the two ends up and down of described through wires hole are arranged on fixed mount by suspention spring, and steel wire passes through wires hole.
The Special quenching equipment of a kind of leaf spring the most according to claim 9, it is characterised in that swelling device also includes
Threading apparatus, vertical rod, cross bar and balance back-moving spring, the upper end of described vertical rod is fixed on fixed mount, the hinged horizontal stroke in lower end of vertical rod
The middle part of bar, one end of cross bar is by balance back-moving spring Connection Bracket, and threading apparatus is arranged on the other end of cross bar；Described wear
Wireline pulley, wireline pulley slip support steel wire are set in line device.
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| CN201610690763.2A CN106119482B (en) | 2016-08-20 | 2016-08-20 | The Special quenching equipment of leaf spring |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610690763.2A CN106119482B (en) | 2016-08-20 | 2016-08-20 | The Special quenching equipment of leaf spring |
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| CN106119482B CN106119482B (en) | 2018-04-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107267865A (en) * | 2017-06-16 | 2017-10-20 | 山东雷帕得汽车技术股份有限公司 | A kind of novel high-strength LPD48 spring steel |
| CN114990289A (en) * | 2021-11-22 | 2022-09-02 | 上海双舜科技发展有限公司 | Quenching and cooling process for steel material of large hot-working die |
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|---|---|---|---|---|
| CN107267865A (en) * | 2017-06-16 | 2017-10-20 | 山东雷帕得汽车技术股份有限公司 | A kind of novel high-strength LPD48 spring steel |
| CN114990289A (en) * | 2021-11-22 | 2022-09-02 | 上海双舜科技发展有限公司 | Quenching and cooling process for steel material of large hot-working die |
| CN114990289B (en) * | 2021-11-22 | 2024-05-10 | 上海双舜科技发展有限公司 | Quenching cooling process for steel material of large hot working die |
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|---|---|
| CN106119482B (en) | 2018-04-20 |
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Effective date of registration: 20230727 Address after: 721000 Xingye Road East, Xinxing Industrial Park, Fufeng County New District, Baoji City, Shaanxi Province Patentee after: Shaanxi rapade Suspension System Co.,Ltd. Address before: 255100 economic development zone, Zichuan District, Shandong, Zibo Patentee before: SHANDONG LEOPARD AUTOMOTIVE HOLDINGS Ltd. |