CN109576459A - A kind of continuous quenching-back-fire arrangement - Google Patents
A kind of continuous quenching-back-fire arrangement Download PDFInfo
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- CN109576459A CN109576459A CN201910019999.7A CN201910019999A CN109576459A CN 109576459 A CN109576459 A CN 109576459A CN 201910019999 A CN201910019999 A CN 201910019999A CN 109576459 A CN109576459 A CN 109576459A
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- quenching
- conveyer belt
- connecting rod
- continuous
- web plate
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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
- 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
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- 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 Treatments In General, Especially Conveying And Cooling (AREA)
- Tunnel Furnaces (AREA)
Abstract
A kind of continuous quenching-back-fire arrangement, including heating furnace, first conveyer belt, quenching conveyer belt, quenching bath, filtering conveyer belt, tempering furnace, the second conveyer belt and web plate；First conveyer belt is arranged between the inlet port and outlet port of heating furnace；One end of quenching conveyer belt is docked with one end that first conveyer belt is located at discharge port, and the other end is docked with one end of filtering conveyer belt, and the other end for filtering conveyer belt is docked with the feed inlet of tempering furnace；Second conveyer belt is arranged between the inlet port and outlet port of tempering furnace；The bottom surface in vertical quenching pond is provided with two blocks of web plates in quenching bath, quenching tank is formed between two blocks of web plates and the bottom surface and side wall of quenching bath, it further include the guiding mechanism being limited in quenching tank for conveyer belt middle section will to be quenched, every group of guiding mechanism includes multiple directive wheels and connecting rod；Filtering conveyer belt is porous structure, settable blower above upper surface.The present apparatus can realize that continuous production, high-efficient, quality are stablized under reliable transmission and protection.
Description
Technical field
The invention belongs to heat treatment device technical field more particularly to a kind of continuous quenching-back-fire arrangements.
Background technique
Quenching is that steel is heated to critical-temperature Ac3Or Ac1Temperatures above, is allowed to all or part of Austria at heat preservation a period of time
Then family name's body is as cold as the heat treatment process that Ms or less carries out martensite transfor mation to be greater than the cooling rate of critical cooling rate fastly.And
Tempering, which refers to, to be reheated to by the workpiece of quenching lower than lower critical temperature AC1Proper temperature, keep the temperature a period of time after
Cooling metal heating processing technology, is generally used for reducing or eliminating interior in quenched steel component in the media such as air or water, oil
Stress, or its hardness and strength is reduced, to improve its ductility or toughness.Workpiece will be quenched and is tempered, and heat-treatment furnace is
Essential device, patent 201721143115.1 disclose a kind of heat-resisting steels glowing furnace, including partition, aircooled bin, machine
Tool handgrip, sliding rail, electromagnetic induction tempering box, workbench and quenching tank, the aircooled bin are fixedly mounted on the left side of workbench, electricity
Magnetic induction tempering box is fixedly mounted on the right side of workbench, and controller is fixedly mounted on the front of workbench and is located at electromagnetic induction
The underface of tempering box, the centre of workbench are equipped with quenching tank, and the edge of quenching tank is equipped with protective trough, and one end of sliding rail is solid
Dingan County is mounted in the side top of aircooled bin, and the other end of sliding rail is fixedly mounted on electromagnetic induction tempering box inner tip, on sliding rail
Straight line cylinder is fixedly mounted in the bottom of the electronic sliding block of the several groups that are slidably installed, electronic sliding block.Although this glowing furnace automates journey
Degree is higher, but there are low efficiencys and mechanical gripper can not accurately grab quenching tank when carrying out continous way production for this device
In workpiece the problems such as.Patent 201120117674.1 discloses a kind of thermal treatment production line device, including glowing furnace, quenching bath
And tempering furnace, it further include conveyer belt, control system and the motor and driving drum that drive conveyer belt shuttling movement, glowing furnace is quenched
Fiery pond and tempering furnace are arranged successively, conveyer belt by sequentially enter glowing furnace, quenching bath, tempering furnace and recyclable movement are arranged in
On driving drum, although which proposes the concept that quenching-tempering continuously recycles, but each ring layout and unreliable, especially
It is that the simple cylinder support of quenching bath does not have guiding role, can not also prevents workpiece from falling, there are very high stuck risk,
Tempering stage only has air-cooled without in view of anti-oxidation measure, product quality is also not easy to guarantee.Therefore, it is necessary to study one
Kind is suitble to continuous production again reliable for operation and can ensure that quenching-back-fire arrangement of product quality.
Summary of the invention
For above-mentioned problems of the prior art, the present invention provides a kind of improved continuous quenching-back-fire arrangement,
Quenching-back-fire arrangement of the invention is by quenching, be tempered the optimization design of each link modular construction, it can be achieved that company to workpiece
Continuous formula production, and it is reliable for operation, work efficiency is high, quality is stablized.
Specifically, continuous quenching-back-fire arrangement technical solution of the invention is as described below:
A kind of continuous quenching-back-fire arrangement, which is characterized in that described device includes heating furnace, first conveyer belt, quenching
Conveyer belt, quenching bath filter conveyer belt, tempering furnace, the second conveyer belt and web plate；The first conveyer belt is arranged in the heating
Between the inlet port and outlet port of furnace, the main function of the first conveyer belt is to carry workpiece at the uniform velocity to push away in heating furnace
Into workpiece is transported out by workpiece after being heated and keeping the temperature from heating furnace, and transfers quenching conveyer belt to.
It is described quenching conveyer belt one end docked with one end that the first conveyer belt is located at discharge port, the other end with it is described
One end docking of conveyer belt is filtered, the other end of the filtering conveyer belt is docked with the feed inlet of the tempering furnace, and described second
Conveyer belt is arranged between the inlet port and outlet port of the tempering furnace；The bottom surface setting two in vertical quenching pond in the quenching bath
Web plate described in block together forms quenching tank between two blocks of web plates and the bottom surface and two of them side wall of quenching bath, described
Width of the width of quenching tank not less than the quenching conveyer belt.
A kind of continuous quenching-back-fire arrangement as described above, further includes guide frame, and the guide frame is used for institute
The middle section for stating quenching conveyer belt is limited in the quenching tank.
A kind of continuous quenching-back-fire arrangement as described above, the guiding mechanism include directive wheel and connecting rod, described
One end of connecting rod is fixedly connected with the web plate, is flexibly connected, is made between the other end of the connecting rod and the directive wheel
Directive wheel can be rotated around connecting rod, and every group of guiding mechanism includes four directive wheels and connecting rod, two of them directive wheel and
Connecting rod is vertically arranged up and down along the one of short transverse of two blocks of web plates, and another two directive wheel and connecting rod are opposite
It is arranged in two blocks of web plates another piece above and to be equally vertically arranged down in the height direction, corresponding position on two blocks of web plates
Directive wheel and connecting rod are in same horizontal line in quenching tank.
A kind of continuous quenching-back-fire arrangement as described above is vertically arranged up and down along the short transverse of two blocks of web plates
Two directive wheels between minimum spacing allow the quenching conveyer belt to pass freely through, to make quenching conveyer belt in Guiding machine
The quenching liquid in quenching tank is passed through under the action of structure, without being stuck.
A kind of continuous quenching-back-fire arrangement as described above, the quenching conveyer belt pass through at least two groups guiding mechanism.
A kind of continuous quenching-back-fire arrangement as described above, the web plate are arranged by web plate frame in the quenching bath
In.
A kind of continuous quenching-back-fire arrangement as described above, one end of the connecting rod stretch out the quenching tank and with
Directive wheel is coaxially connected with stirring and stream is helped to take turns.
A kind of continuous quenching-back-fire arrangement as described above, is provided with above the upper surface of the filtering conveyer belt
Empty blower, the blowhole towards the filtering conveyer belt upper surface is provided on the blower, and the blower is gentle
Body compression set connection, in order to provide high-speed air for blower, so that the quenching liquid of workpiece surface be removed in time.
A kind of continuous quenching-back-fire arrangement as described above, the filtering conveyer belt are porous structure, and aperture is less than
Workpiece size, in this way, quenching liquid can improve the removal effect of quenching liquid in time by the porous structure discharge of filtering conveyer belt
Rate, prevent quenching liquid be brought into reversing chamber cause wherein humidity it is excessive and workpiece surface is caused oxidative phenomena occur.
A kind of continuous quenching-back-fire arrangement as described above, the web plate are formed by stainless steel braided steel wire.
In the above-mentioned technical solutions, the main function of the web plate is: (1) providing carrying position for the setting of guiding mechanism
Point makes to quench the quenching liquid that conveyer belt smoothly immerses in quenching bath to realize the adjusting in the direction to quenching conveyer belt；(2) real
Now to the constraint of the workpiece on quenching conveyer belt, prevent workpiece from falling into quenching bath；(3) web plate can be such that quenching liquid smoothly leads to
Cross, help to make when quenching between the lower quenching liquid of temperature on the outside of the higher quenching liquid of the temperature in quenching tank and web plate and
The exchange of Shi Shixian heat guarantees that quenching liquid temperature is maintained in stable region.
In the above-mentioned technical solutions, the main function of the guiding mechanism is: Yao Shixian is in quenching liquid to the company of workpiece
Continuous quenching production, needs to quench conveyer belt and immerses in quenching liquid, and can steadily run, by the way that rotatable lead is arranged
To wheel, the guiding of quenching conveyer belt not only may be implemented, but also supporting point can be provided for operation of the quenching conveyer belt in quenching liquid,
Make to quench the stable transmission of conveyer belt, reduces the failure rate of conveyer belt operation.
In addition, help stream to take turns by the way that the stirring coaxial with directive wheel is further arranged, it can also be in the feelings without additionaling power
Promote the homogeneous and samming of quenching liquid under condition.
Compared with prior art, the present invention achieve it is following the utility model has the advantages that
(1) in continuous quenching-back-fire arrangement of the invention, the web plate being arranged in quenching bath both may be implemented defeated to quenching
The adjusting for sending the direction of band makes to quench the quenching liquid that conveyer belt smoothly immerses in quenching bath, also may be implemented to quenching conveyer belt
On workpiece constraint, prevent workpiece from falling into quenching bath.
(2) in continuous quenching-back-fire arrangement of the invention, the blower of setting can by the quenching liquid of workpiece surface and
When remove, playing, which prevents quenching liquid to be brought into reversing chamber, causes wherein humidity is excessive to cause what aoxidizing occurred in workpiece surface to ask
Topic.
(3) continuous quenching-back-fire arrangement of the invention can be realized under reliable transmission and protective condition to workpiece
Heating-quenching-tempering continous way production, it is not only high-efficient, and quality stablize.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the structural schematic diagram of continuous quenching-back-fire arrangement of the present invention.
Fig. 2 is the top view of quenching bath of the present invention.
Fig. 3 is the structural schematic diagram of web plate of the present invention.
Fig. 4 is the structural schematic diagram of the guiding mechanism of the embodiment of the present invention 1.
Fig. 5 is the structural schematic diagram of the guiding mechanism of the embodiment of the present invention 2.
Fig. 6 is the structural schematic diagram of the filtering conveyer belt and blower of the embodiment of the present invention 3.
Attached drawing acceptance of the bid note respectively represents: 1- heating furnace, 2- first conveyer belt, 3- quenching conveyer belt, 4- quenching bath, 5- filtering
Conveyer belt, 6- blower, 7- tempering furnace, the second conveyer belt of 8-, 9- web plate, 10- quenching tank, 11- directive wheel, 12- connecting rod,
13- vertical beam, 14- middle cross beam, 15- bottom beam, 16- stirring help stream to take turns.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.It is now real now in conjunction with attached drawing and specifically in order to make those skilled in the art clearly understand the present invention
Mode is applied to be further illustrated the present invention.
Embodiment 1
As shown in Figs 1-4, a kind of continuous quenching-back-fire arrangement, comprising: a kind of continuous quenching-back-fire arrangement, packet
It includes: heating furnace 1, first conveyer belt 2, quenching conveyer belt 3, quenching bath 4, filtering conveyer belt 5, tempering furnace 7,8 and of the second conveyer belt
Web plate 9.
The first conveyer belt 2 is arranged between the inlet port and outlet port of heating furnace 1, the main work of first conveyer belt 2
It is at the uniform velocity promoted with being the tool that carries in heating furnace, workpiece transports workpiece after being heated and keeping the temperature from heating furnace 1
Out, and quenching conveyer belt 3 is transferred to.
One end of the quenching conveyer belt 3 is docked with one end that first conveyer belt 2 is located at discharge port, and the other end and filtering are defeated
One end of band 5 is sent to dock, the other end of filtering conveyer belt 5 is docked with the feed inlet of tempering furnace 7, and second conveyer belt 8 is arranged
Between the inlet port and outlet port of tempering furnace 7, the filtering conveyer belt 5 is porous structure, and aperture is less than workpiece size, prevents
Workpiece is fallen.
In conjunction with shown in Fig. 2-4, the bottom surface in vertical quenching pond 4 is provided with two blocks of web plates 9, two blocks of web plates 9 in the quenching bath 4
Quenching tank 10 is collectively formed between the bottom surface and side wall of quenching bath 4, the width of the quenching tank is greater than the width of quenching conveyer belt 3
Degree, smoothly passes through from quenching tank 10 in order to quench conveyer belt 3.
Referring to fig. 4, the continuous quenching-back-fire arrangement of the present embodiment further includes guiding mechanism, the quenching conveyer belt 3
Middle section is directed to mechanism and is limited in quenching tank 10, specifically, the guiding mechanism 11 is by directive wheel 11 and connecting rod 12
It forms, in implementation shown in Fig. 4, the web plate 9 is located at the surface of 10 side of quenching tank and one end of connecting rod 12 and consolidates
Fixed connection, is flexibly connected between the other end and directive wheel 11 of connecting rod 12, rotates directive wheel 11 around connecting rod 12.
As shown in figure 4, every group of guiding mechanism includes four directive wheels 11 and connecting rod 12, two of them directive wheel 11 and company
Extension bar 12 is vertically arranged up and down along the one of short transverse of two blocks of web plates 9, another two directive wheel 11 and connecting rod
12 are arranged oppositely in two blocks of web plates 9 on another piece and are equally vertically arranged down in the height direction, right on two blocks of web plates 9
The directive wheel 11 and connecting rod 12 for answering position are in same horizontal line in quenching tank 10.Along the height side of two blocks of web plates 9
The quenching conveyer belt 3 is allowed to pass freely through to the minimum spacing between two directive wheels 11 being vertically arranged up and down, to make
Quenching conveyer belt 3 passes through the quenching liquid in quenching tank 10 under the action of guiding mechanism 11, without being stuck.
In order to form reliable guiding and support, the quenching conveyer belt 3 passes through at least two groups guiding mechanism more preferably can
Think three groups, four groups or more, the entire length of visual quenching tank 10 and installation space determine.
In the present embodiment, the web plate can be formed by stainless steel braided steel wire.
Embodiment 2
The present embodiment is a kind of more optimized design proposed for the web plate 9 and guiding mechanism of embodiment 1, referring to figure
5, in the present embodiment, the web plate 9 by web plate frame be arranged in quenching bath 4, setting web plate frame the first purpose be in order to
The material of using of web plate 9 is reduced, save the cost, because web plate 9 is installed in quenching bath 4 by web plate frame, guiding mechanism is directly and net
Sheet frame is mutually fixed, and direct impact of the conveyer belt to web plate 9 is avoided, and web plate 9 can be made to it is unnecessary to prevent deformation
It is very thick and heavy, reduce that another purpose of web plate frame is arranged with material is the installation for facilitating web plate 9, replacement, as shown in figure 5, net
Sheet frame can be designed as the support beam group by different directions at frame structure, two web plates 9 can be directly installed on the frame
Integrated disassembly and assembly structure is formed in structure, the supporting beam of the different directions includes at least several vertical beams 13, cross in several
Beam 14, several bottom beams 15, the vertical beam 13 are vertically erected on the bottom beam 15, and wherein the middle cross beam 14 is erected at the vertical beam
Between 13, frame structure in this way, connecting rod 12 can be directly connected and fixed with middle cross beam 14, possessed by middle cross beam 14
Intensity will be far longer than intensity possessed by web plate 9 certainly, and then web plate 9 is protected, entire mechanism also more more stable and stronger.
In the present embodiment, in order to preferably improve mechanical efficiency, also the function of guiding mechanism is expanded.According to
The one of them effect of the description of front, web plate 9 is quenching liquid can be made to pass through, and helps to make in quenching tank 10 when quenching
The higher quenching liquid of temperature and the outside of web plate 9 the lower quenching liquid of temperature between realize that heat exchange in time, guarantee to quench
Liquid temperature is maintained in stable region, in the present embodiment, one end of the connecting rod 12 stretch out the quenching tank 10 and with lead
Stirring, which is coaxially connected with, to wheel 11 helps stream wheel 16, as seen from Figure 5, stirring helps stream to take turns 16 spaces for being in 9 outside of web plate, in this way,
The lower quenching liquid of temperature helps stream wheel 16 to accelerate returning to 9 inside of web plate under stirring action slowly in stirring in the space
Stream, so that quenching liquid more samming, more homogeneous.
Preferably, as shown in figure 5, ipsilateral vertical two rows of stirrings help stream wheel 16 not on same vertical axis, in this way
It further increases and helps stream range, promote the dynamic mixing of two sides quenching liquid.
Other than promoting quenching liquid samming, homogeneous, ingenious place is also resided in due to coaxial with connecting rod 12 above structure
Setting, does not need any additionaling power not only, can also offset installation weighting and the operational shock of a part of directive wheel 11.
Other features that the present embodiment is not addressed, can be same as Example 1, repeats no more.
Embodiment 3
The present embodiment is further perfect on the basis of Examples 1 and 2, as shown in fig. 6, the continuous quenching-returns
It is provided with hollow blower 6 above the upper surface of the filtering conveyer belt 5 of fiery device, is provided on the blower 6 towards mistake
The blowhole of 5 upper surface of conveyer belt is filtered, the blower 6 is connected to gas compressing apparatus such as blowing plant, in order to
High-speed air is provided for blower 6, so that the quenching liquid of workpiece surface is removed in time, and the quenching liquid blown down can lead in time
The porous structure discharge for filtering conveyer belt 5, improves the removal efficiency of quenching liquid, preventing quenching liquid to be brought into reversing chamber leads to it
Middle humidity is excessive and workpiece surface is caused oxidative phenomena occur.
Other features that the present embodiment is not addressed, can be identical as embodiment 1 or embodiment 2, repeats no more.
The application method (working principle) of continuous quenching-back-fire arrangement of the present invention are as follows: firstly, workpiece is heating
It is sent on quenching conveyer belt 3 after being heated in furnace 1 by first conveyer belt 2, enters in quenching tank 10 under the action of quenching conveyer belt 3
Quenching liquid in quenched, be quenched after quenching conveyer belt 3 be transported to filtering conveyer belt 5 on, then in the effect of blower 6
It is sent into tempering furnace 7 and is tempered after lower removing quenching liquid, it is cold from discharge port submitting progress by the second conveyer belt 8 after the completion of tempering
But, the conveyer belt is connected to motor, cycle rotation under the action of motor.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for those skilled in the art
For member, various changes and changes are possible in this application.Within the spirit and principles of this application, it is made it is any modification,
Equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of continuous quenching-back-fire arrangement, which is characterized in that described device includes heating furnace (1), first conveyer belt (2),
It quenches conveyer belt (3), quenching bath (4), filters conveyer belt (5), tempering furnace (7), the second conveyer belt (8) and web plate (9)；Described
One conveyer belt (2) is arranged between the inlet port and outlet port of the heating furnace (1)；It is described quenching conveyer belt (3) one end with
The first conveyer belt (2) is located at one end docking of discharge port, and the other end is docked with one end of filtering conveyer belt (5), institute
The other end for stating filtering conveyer belt (5) is docked with the feed inlet of the tempering furnace (7), and second conveyer belt (8) is arranged in institute
Between the inlet port and outlet port for stating tempering furnace (7)；Two pieces of institutes are arranged in the bottom surface in vertical quenching pond (4) in the quenching bath (4)
It states web plate (9), together forms quenching tank between two blocks of web plates (9) and the bottom surface and two of them side wall of quenching bath (4)
(10), width of the width of the quenching tank (10) not less than quenching conveyer belt (3).
2. a kind of continuous quenching-back-fire arrangement according to claim 1, which is characterized in that it further include guide frame, institute
Guide frame is stated for the middle section of quenching conveyer belt (3) to be limited in the quenching tank (10).
3. a kind of continuous quenching-back-fire arrangement according to claim 2, which is characterized in that the guiding mechanism includes
One end of directive wheel (11) and connecting rod (12), the connecting rod (12) is fixedly connected with the web plate (9), the connecting rod
(12) it is flexibly connected between the other end and the directive wheel (11), rotate directive wheel (11) can around connecting rod (12),
Every group of guiding mechanism includes four directive wheels (11) and connecting rod (12), two of them directive wheel (11) and connecting rod (12) along
The one of short transverse of two blocks of web plates (9) is vertically arranged up and down, and another two directive wheel (11) and connecting rod (12) are right
It above and is equally vertically arranged down in the height direction to being arranged in two blocks of web plates (9) another piece, two pieces of web plates (9) on pair
The directive wheel (11) and connecting rod (12) for answering position are in same horizontal line in quenching tank (10).
4. a kind of continuous quenching-back-fire arrangement according to claim 3, which is characterized in that along two pieces of web plates (9)
The minimum spacing between two directive wheels (11) that short transverse is vertically arranged up and down allows the quenching conveyer belt (3) freely to wear
It crosses.
5. a kind of continuous quenching-back-fire arrangement according to claim 4, which is characterized in that the quenching conveyer belt (3)
Across at least two groups guiding mechanism.
6. according to a kind of described in any item continuous quenching-back-fire arrangements of claim 3-5, which is characterized in that the web plate
(9) it is arranged in the quenching bath (4) by web plate frame.
7. according to a kind of described in any item continuous quenching-back-fire arrangements of claim 3-5, which is characterized in that the connection
One end of bar (12), which stretches out the quenching tank (10) and is coaxially connected with stirring with directive wheel (11), helps stream wheel (16).
8. a kind of continuous quenching-back-fire arrangement according to claim 1, which is characterized in that the filtering conveyer belt (5)
Upper surface above be provided with hollow blower (6), be provided on the blower (6) towards the filtering conveyer belt (5)
The blowhole of upper surface, the blower (6) are connected to gas compressing apparatus.
9. a kind of continuous quenching-back-fire arrangement according to claim 1 or 8, which is characterized in that the filtering conveyer belt
It (5) is porous structure, aperture is less than workpiece size.
10. a kind of continuous quenching-back-fire arrangement according to claim 1-5, which is characterized in that the web plate
(9) it is formed by stainless steel braided steel wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910019999.7A CN109576459A (en) | 2019-01-09 | 2019-01-09 | A kind of continuous quenching-back-fire arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910019999.7A CN109576459A (en) | 2019-01-09 | 2019-01-09 | A kind of continuous quenching-back-fire arrangement |
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| Publication Number | Publication Date |
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| CN109576459A true CN109576459A (en) | 2019-04-05 |
Family
ID=65915997
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910019999.7A Withdrawn CN109576459A (en) | 2019-01-09 | 2019-01-09 | A kind of continuous quenching-back-fire arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113621767A (en) * | 2021-08-19 | 2021-11-09 | 刘学付 | Intelligent heat treatment production line |
-
2019
- 2019-01-09 CN CN201910019999.7A patent/CN109576459A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113621767A (en) * | 2021-08-19 | 2021-11-09 | 刘学付 | Intelligent heat treatment production line |
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Application publication date: 20190405 |
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