CN204342843U - A kind of quenching device for roller shell - Google Patents
A kind of quenching device for roller shell Download PDFInfo
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- CN204342843U CN204342843U CN201420844475.4U CN201420844475U CN204342843U CN 204342843 U CN204342843 U CN 204342843U CN 201420844475 U CN201420844475 U CN 201420844475U CN 204342843 U CN204342843 U CN 204342843U
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Abstract
The utility model discloses a kind of quenching device for roller shell, belong to mechanical means field.In roller shell quenching device of the present utility model, roller shell water spraying mechanism comprises the outer side water-spraying device of side water-spraying device and roller shell in roller shell, and in roller shell, side water-spraying device, the outer side water-spraying device of roller shell carry out spray quenching to the inner side of roller shell, outside respectively; Dash mechanism comprises water eliminator and water eliminator stationary installation, and water eliminator is fixed in mechanical outer container by water eliminator stationary installation; Roller shell placing mechanism comprises chuck and chuck swivel arrangement, and chuck swivel arrangement drive chuck horizontally rotates.The utility model by roller shell water spraying mechanism, dash mechanism and roller shell placing mechanism with the use of, realize making the inside and outside surface hardness of roller shell have the function of individual difference, extend roller shell work-ing life.
Description
Technical field
The utility model belongs to mechanical means field, more particularly, relates to a kind of quenching device for roller shell.
Background technology
The object of quenching makes supercooled austenite carry out martensite or bainite transformation, obtain martensite or bainite structure, then the tempering with differing temps is coordinated, significantly to improve the rigidity of steel, hardness, wear resistance, fatigue strength and toughness etc., thus meet the different service requirementss of various mechanical component and instrument.Physics, chemical property that the ferromegnetism, solidity to corrosion etc. that also can meet some special steel material by quenching are special.
Quenching is a kind of thermal treatment process making the structure and properties of workpiece acquisition expection and adopt.Determine that one of important factor of quenching quality is the moving situation of quenchant around workpiece.During quenching, if quenchant flow velocity is too low around workpiece, then work-piece cools speed is excessively slow, cannot obtain the structure and properties needed for workpiece; If quenchant flow velocity is uneven around workpiece, then work-piece cools speed is uneven, easily causes hard heat treatment uneven microstructure, produces internal stress, also can cause the defects such as distortion, cracking time serious.
Roll is the instrument making metal produce viscous deformation, is the important consumable part determining rolling mill efficiency and mill bar quality.Roll is the strength member on Steel Mill's rolling mill, utilize a pair or one group of roll rolls time the pressure that produces to roll stone roller steel.Roll mainly bears Dynamic And Static Loads during rolling, the impact of wearing and tearing and temperature variation.Unrelieved stress and thermal stresses can be produced in the preparatory process of roll before manufacturing and using.Receive again the effect of various cyclic stress during use further, comprise bending, torsion, shearing, contact stress and thermal stresses etc.These stress are uneven, constantly changes along the distribution of the body of roll, and its reason not only has design factor, also have that roll in use weares and teares, the continuous change of temperature and roll forming.In addition, rolling condition often there will be abnormal conditions.It is improper that roll cools after a procedure, also can be subject to the infringement of thermal stresses.So roll is except wearing and tearing, also often there is crackle, rupture, peel off, various local damage and the surface damage such as impression.
In iron and steel enterprise of today, the reparation of roll sleeve breaker roll plays a key effect, especially for some medium and small sized enterprises, roll is meeting surface failure after long service, cannot use, because roll is expensive, change and need substantial contribution, and the roll lost efficacy after changing can only work as scrap handling, causes huge waste.Therefore, we repair with roller shell usually after roll failure, first roll car are fallen a part, then roller shell are enclosed within continuation use on rolling face, so not only greatly reduce the cost of enterprise, also avoid raw-material waste.But require to differ to roller shell surfaces externally and internally in actual use, usually require that roller shell surfaces externally and internally hardness will have individual difference, because internal surface contacts with roller bearing, therefore hardness is unsuitable too high, and outside surface is working face, require higher hardness, to make it more wear-resisting, make like this to be quenched to a very large difficult problem to roller shell.
Through retrieval, there is part open about the heat treated technical scheme of roller shell.Chinese Patent Application No.: 201210180011.3, the applying date: on June 4th, 2012, invention and created name is: the complete processing of hot rolled aluminium roll regeneration, this application case relates to the complete processing of a kind of hot rolled aluminium roll regeneration, and it comprises following procedure of processing: used hot rolled aluminium roll selected by parent roll; By roller shell roughing, quench treatment; With the cooling of high-pressure water mist spray roller shell cylindrical, quenching; Simultaneously to roller shell inner circle low-pressure water mist spray, cooling; Temper is carried out after roller shell quench treatment; Roller shell reaches processing drawing processing requirement through turning, grinding; The external cutting of parent roll, grinding; Heated up by roller shell, be incubated, taking-up and parent roll match and are combined into roll entirety; And then by overall for roll tempering, eliminate internal stress; Processing drawing processing requirement is reached through turning, grinding by overall for roll; Qualified rear packaging warehouse-in after testing.This invention reach useless roll rationally, Reusability, the work-ing life of hot rolled aluminium roll can be improved, reduce the production cost of enterprise.The deficiency of this application case go out to be: carry out water mist sprinkling cooling to roller shell medial and lateral simultaneously, do not have to solve and make roller shell surfaces externally and internally hardness have the problem of individual difference, do not have concrete description to go out the structure of water mist sprinkling device in addition, technical scheme is imperfect.
Chinese Patent Application No.: 201110450671.4, the applying date: on December 29th, 2011, invention and created name is: a kind of superpower wear-resistant high quality steel roller sleeve of roller press and manufacture method, this application case relates to a kind of superpower wear-resistant high quality steel roller sleeve of roller press and manufacture method, belongs to building material industry casting technology field.Technical scheme is: roller shell skin adopts superpower wear-resistant high quality steel, internal layer adopts low-carbon (LC) Medium Alloy Steel to be composited, and by melting outer superpower wear-resistant high quality steel, fusing internal layer low-carbon (LC) Medium Alloy Steel, centrifugal casting compound roller shell, the manufacture of compound roller shell heat treatment step form.The positively effect of this invention: preferably roller shell layer materials proportioning, adopt rational Centrifugal compound foundry process, make ectonexine realize metallurgical binding, bonding state is good.According to the heavy alloyed feature of roller shell, by improving tempering temperature, through repeatedly drawing process, strengthen the fracture toughness property of roller shell.The outer hardness of this invention roller shell is 60 ~ 64HRC, impelling strength 12J/cm2, and internal layer hardness is 26 ~ 30HRC, tensile strength 800 ~ 900MPa, yield strength 730MPa, forges built-up welding roller shell work-ing life improve more than 2 times than in the past.The weak point of this application case is, although achieve the function making roller shell surfaces externally and internally hardness have individual difference, adopt the technique of roller shell medial and lateral in conjunction with steel alloy, complicated operation, cost is higher, is not suitable for extensive popularization.
Chinese Patent Application No.: 201210037511.1, the applying date: on February 17th, 2012, invention and created name is: the quenching cooler of large-scale cylindrical work pieces, and the quenching cooler of a kind of large-scale cylindrical work pieces of this application case, comprising: cell body; Overflow groove, has upflow tube and is arranged on described cell body upper end; Propeller agitation fluidic device, is arranged on described cell body inwall uniformly; Outer nozzle fluidic device, is arranged on the below of described large-scale cylindrical work pieces; Inner nozzle fluidic device, is arranged on the inside of described large-scale cylindrical work pieces; And inner nozzle diameter regulating device, for regulating the radial dimension of inner nozzle fluidic device.This application case controls emphatically the flow velocity near workpiece surface, is ensureing to reduce energy consumption while quenchant has high speed, uniform flowing.Meanwhile, by design inner nozzle diameter regulating device, can adapt to different cylindrical work pieces sizes, suitability strengthens greatly.The shortcoming of this application case is: arrange propeller agitation fluidic device uniformly at cell body inwall, quenchant is injected on cylindrical work pieces uniformly, this set complex structure, manufacture and maintenance cost higher; This quenching cooler lacks dash mechanism simultaneously, and the water spray of cylindrical work pieces medial and lateral disturbs mutually, cannot realize the function of independently spraying water to cylindrical work pieces medial and lateral.
Utility model content
1. the utility model technical problem that will solve
In some medium and small sized enterprises, the carrying out of roller shell breaker roll is usually used to repair.Due to roller shell internal surface and roll contact, therefore hardness is unsuitable too high, and outside surface is working face, requires higher hardness, to make it more wear-resisting.The purpose of this utility model is there is the different problem required to the inside and outside surface hardness of roller shell during solving actual production uses, provide a kind of quenching device for roller shell, achieve the function making the inside and outside surface hardness of roller shell have individual difference, namely roller shell internal surface hardness is less, and outside surface hardness is larger; Extend the work-ing life of roller shell.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
A kind of quenching device for roller shell of the present utility model, comprise mechanical outer container, foot rest and platform, described mechanical outer container is a through cylinder, its bottom outside is connected with foot rest, described foot rest is fixed on platform, also comprise roller shell water spraying mechanism, dash mechanism and roller shell placing mechanism, wherein: described roller shell water spraying mechanism comprises the outer side water-spraying device of side water-spraying device and roller shell in roller shell, in described roller shell, side water-spraying device, the outer side water-spraying device of roller shell carry out spray quenching to the inner side of roller shell, outside respectively; Described dash mechanism comprises water eliminator and water eliminator stationary installation, and described water eliminator is a through cylinder, and the external diameter of water eliminator is less than the internal diameter of mechanical outer container, and described water eliminator is fixed in mechanical outer container by water eliminator stationary installation; Described roller shell placing mechanism comprises chuck and chuck swivel arrangement, and described chuck is positioned on the platform immediately below mechanical outer container, and described chuck is also connected with chuck swivel arrangement, and described chuck swivel arrangement drive chuck horizontally rotates.
Further improve as the utility model, the outer side water-spraying device of described roller shell comprises annular conduit, annular conduit water-in and peripheral water pipe, described annular conduit is a closed circular water pipe, the external diameter of this circular water pipe is equal with the internal diameter of mechanical outer container, and described annular conduit is fixed on mechanical outer container bottom inside circumferentially; Described annular conduit both sides are provided with annular conduit water-in, and this annular conduit water-in is connected with annular conduit, and two annular conduit water-ins are arranged on the same diameter line of annular conduit; On described annular conduit, circumferential surface is provided with several through holes, these several through holes are evenly distributed along circumferential surface on annular conduit, what each through hole was vertical is connected with a peripheral water pipe, and described peripheral water pipe is connected with annular conduit by above-mentioned through hole; Described peripheral water pipe is equipped with several outer water jets, this outer water jet is circular port, and the water in peripheral water pipe is ejected into outside roller shell by outer water jet, and the spacing between adjacent two outer water jets is 2-3cm, and the diameter of outer water jet is 2mm.
Further improve as the utility model, in described roller shell, side water-spraying device comprises central water tube and central water tube water-in, and what described central water tube was vertical is connected on platform, and this central water tube is positioned at the position of mechanical outer container inner axes line; Described central water tube lower end is provided with central water tube water-in, and this central water tube water-in is connected with central water tube; Described central water tube is provided with water jet in several, and this interior water jet is circular port, and the water in central water tube is ejected into inside roller shell by interior water jet, and the spacing between adjacent two interior water jets is 2-3cm, and the diameter of interior water jet is 2mm.
Further improve as the utility model, described water eliminator stationary installation comprises mass and hanger, and described water eliminator outer circumference is fixed with hanger, and this hanger is connected by iron wire with mass; Mass is suspended on outside mechanical outer container by the upper port that mechanical outer container walked around by above-mentioned iron wire, and described mass fixes water eliminator by self gravitation.
Further improve as the utility model, described chuck swivel arrangement comprises electromagnetic speed controller and electric motor, described electric motor is connected with electromagnetic speed controller, this electromagnetic speed controller controls electric motor and rotates, described electric motor is connected with chuck, and this motor drive chuck horizontally rotates.
Further improve as the utility model, on described peripheral water pipe, the area sum of all outer water jets is less than two the annular conduit water-in section area sums be connected with annular conduit.
Further improve as the utility model, on described central water tube, the area sum of all interior water jets is less than its lower center water pipe water-in section area.
3. beneficial effect
The technical scheme adopting the utility model to provide, compared with prior art, has following unusual effect:
(1) a kind of quenching device for roller shell of the present utility model, the outer side water-spraying device of side water-spraying device in roller shell, roller shell is adopted to carry out spray quenching to the inner side of roller shell, outside respectively, the inside and outside surface hardness of roller shell is made to have individual difference, namely roller shell internal surface hardness is less, be applicable to and roll contact, outside surface hardness is comparatively large, makes working face more wear-resisting; Extend the work-ing life of roller shell.
(2) a kind of quenching device for roller shell of the present utility model, water eliminator is fixed in mechanical outer container by water eliminator stationary installation, make to be isolated inside the water of the upper outside water jet ejection of peripheral water pipe in quenching process and roller shell, achieve the function to the independence spray quenching of roller shell medial and lateral, this set structure is ingenious, simple to operate; And by regulating the position of water eliminator, can be applicable to implementing quenching to the roller shell of different size, applied widely.
(3) a kind of quenching device for roller shell of the present utility model, chuck swivel arrangement drive chuck horizontally rotates, chuck can be made to drive roller shell uniform motion, roller shell medial and lateral are made to be subject to uniform spray quenching, roller shell medial and lateral speed of cooling is even, thus make roller shell medial and lateral quenching structure even, eliminate internal stress, improve quenching quality.
(4) a kind of quenching device for roller shell of the present utility model is by controlling the cool time of roller shell medial and lateral, thus to realize making the inside and outside surface hardness of roller shell have the function of individual difference for quenching, simple to operate, successful, cost is low, is convenient to promote the use of.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of a kind of quenching device for roller shell of the present utility model;
Fig. 2 is the plan structure schematic diagram of a kind of quenching device for roller shell of the present utility model.
Number in the figure illustrates: 1, water eliminator; 2, central water tube; 3, mass; 4, annular conduit; 5, foot rest; 6, platform; 7, chuck; 8, annular conduit water-in; 9, mechanical outer container; 10, peripheral water pipe; 11, hanger.
Embodiment
For understanding content of the present utility model further, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
Embodiment 1
Composition graphs 1 and Fig. 2, a kind of quenching device for roller shell of the present embodiment, major architectural comprises mechanical outer container 9, foot rest 5 and platform 6.Be the sectional structure schematic diagram of a kind of quenching device for roller shell of the present embodiment as Fig. 1, mechanical outer container 9 is a through cylinder, this bottom of cylinder outer circumference is welded with uniformly three foot rests, 5, three foot rests 5 and is fixed by screws on platform 6.A kind of quenching device for roller shell of the present embodiment, concrete function mechanism comprises roller shell water spraying mechanism, dash mechanism and roller shell placing mechanism, elaborates respectively below to above-mentioned three mechanisms.
In the present embodiment, roller shell water spraying mechanism comprises the outer side water-spraying device of side water-spraying device and roller shell in roller shell, and in roller shell, side water-spraying device, the outer side water-spraying device of roller shell carry out spray quenching to the inner side of roller shell, outside respectively.The outer side water-spraying device of roller shell comprises annular conduit 4, annular conduit water-in 8 and peripheral water pipe 10, annular conduit 4 is a closed circular water pipe, the external diameter of this circular water pipe is equal with the internal diameter of mechanical outer container 9, and annular conduit 4 is welded on mechanical outer container 9 bottom inside circumferentially.Annular conduit 4 both sides are provided with annular conduit water-in 8, and this annular conduit water-in 8 is connected with annular conduit 4, and two annular conduit water-ins 8 are arranged on the same diameter line of annular conduit 4.In the present embodiment, on annular conduit 4, circumferential surface is provided with 30 through holes, above-mentioned 30 through holes are evenly distributed along circumferential surface on annular conduit 4, what each through hole was vertical is connected with a peripheral water pipe 10, and peripheral water pipe 10 is connected with annular conduit 4 by above-mentioned through hole.The length of the peripheral water pipe 10 of every root is 1.5m, the peripheral water pipe 10 of every root is equipped with several outer water jets, and this outer water jet is circular port, and the water in peripheral water pipe 10 is ejected into outside roller shell by outer water jet, spacing between adjacent two outer water jets is 2cm, and the diameter of outer water jet is 2mm.On peripheral water pipe 10, the area sum of all outer water jets is less than two the annular conduit water-in 8 section area sums be connected with annular conduit 4, thus ensures that quenching process China and foreign countries water jet can spray water column smoothly.During quenching, water is extracted out from independent water pump, is entered in annular conduit 4 by annular conduit water-in 8, the outer water jet arrived on peripheral water pipe 10 carries out spray quenching to outside roller shell, and the pressure of water is 4 normal atmosphere, and the temperature of water is 20 degree.
In roller shell, side water-spraying device comprises central water tube 2 and central water tube water-in, what central water tube 2 was vertical is connected on platform 6, this central water tube 2 is positioned at the position of mechanical outer container 9 inner axes line, during to make quenching, central water tube 2 is positioned on the axial line of roller shell, ensures to be subject to uniform spray quenching inside roller shell.Central water tube 2 lower end is provided with central water tube water-in, and this central water tube water-in is connected with central water tube 2, and the length of central water tube 2 is 1.5m, and central water tube 2 internal diameter is 2 times of peripheral water pipe 10 internal diameter.Central water tube 2 is provided with water jet in several, and this interior water jet is circular port, and the water in central water tube 2 is ejected into inside roller shell by interior water jet, and the spacing between adjacent two interior water jets is 2cm, and the diameter of interior water jet is 2mm.On central water tube 2, the area sum of all interior water jets is less than its lower center water pipe water-in section area, thus ensures that in quenching process, water jet can spray water column smoothly.During quenching, water is extracted out from independent water pump, and arrive water jet on central water tube 2 by central water tube water-in and carry out spray quenching to inside roller shell, the pressure of water is 4 normal atmosphere, and the temperature of water is 20 degree.
Dash mechanism comprises water eliminator 1 and water eliminator stationary installation, and water eliminator 1 is a through cylinder, and the external diameter of water eliminator 1 is less than the internal diameter of mechanical outer container 9, and water eliminator 1 is fixed in mechanical outer container 9 by water eliminator stationary installation.Water eliminator stationary installation comprises mass 3 and hanger 11, water eliminator 1 outer circumference same diameter line is welded with two hangers, 11, two hangers 11 and is connected by iron wire with two mass 3 respectively.Mass 3 is suspended on outside mechanical outer container 9 by the upper port that mechanical outer container 9 walked around by above-mentioned iron wire, and mass 3 fixes water eliminator 1 by self gravitation.The weight of mass 3 determines according to the weight of water eliminator 1, as long as ensure fixing water eliminator 1, and the position of water eliminator 1 adjusts by moving up and down mass 3.In the present embodiment, mechanical outer container 9 inwall is provided with scale rear sight, is convenient to the location, position of water eliminator 1.
Roller shell placing mechanism comprises chuck 7 and chuck swivel arrangement, and chuck 7 is positioned on the platform 6 immediately below mechanical outer container 9, and chuck 7 does not contact with mechanical outer container 9.Chuck 7 is also connected with chuck swivel arrangement, and chuck swivel arrangement drive chuck 7 horizontally rotates.Chuck swivel arrangement comprises electromagnetic speed controller and electric motor, electric motor is connected with electromagnetic speed controller, and this electromagnetic speed controller controls electric motor and rotates, and electric motor is connected with chuck 7, this motor drive chuck 7 horizontally rotates, and the circular frequency that chuck 7 rotates is 60 revs/min.When can make roller shell spray quenching by the rotation of chuck 7, medial and lateral are periodically subject to spraying cooling, obtain uniform surface hardness, improve roller shell quenching quality.
The present embodiment adopts the outer side water-spraying device of side water-spraying device in roller shell, roller shell to carry out spray quenching to the inner side of roller shell, outside respectively, make the inside and outside surface hardness of roller shell have individual difference, namely roller shell internal surface hardness is less, is applicable to and roll contact, outside surface hardness is comparatively large, makes working face more wear-resisting; Extend the work-ing life of roller shell.In the present embodiment, water eliminator 1 is fixed in mechanical outer container 9 by water eliminator stationary installation, make to be isolated inside the water of the upper outside water jet ejection of peripheral water pipe 10 in quenching process and roller shell, achieve the function to the independence spray quenching of roller shell medial and lateral, this set structure is ingenious, simple to operate; And by regulating the position of water eliminator 1, can be applicable to implementing quenching to the roller shell of different size, applied widely.In the present embodiment, chuck swivel arrangement drive chuck 7 horizontally rotates, chuck 7 can be made to drive roller shell uniform motion, roller shell medial and lateral are made to be subject to uniform spray quenching, roller shell medial and lateral speed of cooling is even, thus make roller shell medial and lateral quenching structure even, eliminate internal stress, improve quenching quality.
The concrete steps of carrying out quenching for the quenching device of roller shell in employing the present embodiment are:
Step one, quenching prepare:
Before roller shell quenching, fix two handling parts in roller shell outer, connect handling part by suspender, roller shell is put into the heating of process furnace entirety, make roller shell be warming up to austenitizing temperature, for ensuing quenching is prepared;
Step 2, roller shell are located:
Prepare the quenching device being used for roller shell, by suspender, roller shell is vertically placed on chuck 7, regulate the position of roller shell, make central water tube 2 be positioned on the axial line of roller shell, move radially the movable jaw on chuck 7, roller shell location is clamped on chuck 7.Because mechanical outer container 9 and water eliminator 1 are all through cylinders, handling, the location of roller shell are all very convenient, and can observe directly the cooling situation of roller shell in quenching process.
Step 3, dash mechanism regulate:
According to the height of roller shell, regulate the position of water eliminator 1, and fix water eliminator 1 by water eliminator stationary installation, make the upper edge of lower edge lower than roller shell of water eliminator 1, the internal diameter of water eliminator 1 is greater than the external diameter of roller shell simultaneously, make water eliminator 1 cover the upper edge of roller shell, make to be isolated inside the water of the upper outside water jet ejection of peripheral water pipe 10 in quenching process and roller shell, be isolated outside the water of the interior water jet ejection on central water tube 2 and roller shell.
Step 4, quenching start:
Start the electric motor be connected with chuck 7, by the deceleration of electromagnetic speed controller, electric motor drives chuck 7 with 60 revs/min of uniform rotation, makes roller shell medial and lateral periodically be subject to spraying cooling, obtains uniform surface hardness.The same time starts the water pump be connected with central water tube water-in, the water pump be connected with annular conduit water-in 8, water is with 4 atmospheric pressure interior water jet, peripheral water pipe 10 upper outside water jet ejection water column from central water tube 2 respectively, realize respectively to inside roller shell, outside spray quenching, the temperature of water is 20 degree.
Step 5, quenching control and terminate:
After quenching starts, examine inside roller shell by the through hole on water eliminator 1, after the interior water jet on central water tube 2 is sprayed water 20 seconds, stop the water spray of water jet on central water tube 2 at once, to allow inside roller shell self-tempering to reduce hardness; After 20 seconds, restart the water spray of water jet on central water tube 2; After 30s, stop the water spray of water jet, the water spray of the upper outside water jet of peripheral water pipe 10 on central water tube 2 simultaneously, complete quenching.
The present embodiment by controlling the cool time of roller shell medial and lateral, thus realizes making the inside and outside surface hardness of roller shell have the function of individual difference, and simple to operate, successful, cost is low, is convenient to promote the use of.
Schematically above be described the utility model and embodiment thereof, this description does not have restricted, and also just one of the embodiment of the present utility model shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the frame mode similar to this technical scheme and embodiment without creationary, protection domain of the present utility model all should be belonged to.
Claims (7)
1. the quenching device for roller shell, comprise mechanical outer container (9), foot rest (5) and platform (6), described mechanical outer container (9) is a through cylinder, its bottom outside is connected with foot rest (5), described foot rest (5) is fixed on platform (6), it is characterized in that: also comprise roller shell water spraying mechanism, dash mechanism and roller shell placing mechanism, wherein:
Described roller shell water spraying mechanism comprises the outer side water-spraying device of side water-spraying device and roller shell in roller shell, and in described roller shell, side water-spraying device, the outer side water-spraying device of roller shell carry out spray quenching to the inner side of roller shell, outside respectively;
Described dash mechanism comprises water eliminator (1) and water eliminator stationary installation, described water eliminator (1) is a through cylinder, the external diameter of water eliminator (1) is less than the internal diameter of mechanical outer container (9), and described water eliminator (1) is fixed in mechanical outer container (9) by water eliminator stationary installation;
Described roller shell placing mechanism comprises chuck (7) and chuck swivel arrangement, described chuck (7) is positioned on the platform (6) immediately below mechanical outer container (9), described chuck (7) is also connected with chuck swivel arrangement, and described chuck swivel arrangement drive chuck (7) horizontally rotates.
2. a kind of quenching device for roller shell according to claim 1, it is characterized in that: the outer side water-spraying device of described roller shell comprises annular conduit (4), annular conduit water-in (8) and peripheral water pipe (10), described annular conduit (4) is a closed circular water pipe, the external diameter of this circular water pipe is equal with the internal diameter of mechanical outer container (9), and described annular conduit (4) is fixed on mechanical outer container (9) bottom inside circumferentially; Described annular conduit (4) both sides are provided with annular conduit water-in (8), this annular conduit water-in (8) is connected with annular conduit (4), and two annular conduit water-ins (8) are arranged on the same diameter line of annular conduit (4); The upper circumferential surface of described annular conduit (4) is provided with several through holes, these several through holes are evenly distributed along the upper circumferential surface of annular conduit (4), what each through hole was vertical is connected with a peripheral water pipe (10), and described peripheral water pipe (10) is connected with annular conduit (4) by above-mentioned through hole;
Described peripheral water pipe (10) is equipped with several outer water jets, this outer water jet is circular port, water in peripheral water pipe (10) is ejected into outside roller shell by outer water jet, and the spacing between adjacent two outer water jets is 2-3cm, and the diameter of outer water jet is 2mm.
3. a kind of quenching device for roller shell according to claim 1, it is characterized in that: in described roller shell, side water-spraying device comprises central water tube (2) and central water tube water-in, what described central water tube (2) was vertical is connected on platform (6), and this central water tube (2) is positioned at the position of mechanical outer container (9) inner axes line; Described central water tube (2) lower end is provided with central water tube water-in, and this central water tube water-in is connected with central water tube (2);
Described central water tube (2) is provided with water jet in several, this interior water jet is circular port, water in central water tube (2) is ejected into inside roller shell by interior water jet, and the spacing between adjacent two interior water jets is 2-3cm, and the diameter of interior water jet is 2mm.
4. a kind of quenching device for roller shell according to claim 1, it is characterized in that: described water eliminator stationary installation comprises mass (3) and hanger (11), described water eliminator (1) outer circumference is fixed with hanger (11), and this hanger (11) is connected by iron wire with mass (3); Mass (3) is suspended on mechanical outer container (9) outside by the upper port that mechanical outer container (9) walked around by above-mentioned iron wire, and described mass (3) fixes water eliminator (1) by self gravitation.
5. a kind of quenching device for roller shell according to claim 1, it is characterized in that: described chuck swivel arrangement comprises electromagnetic speed controller and electric motor, described electric motor is connected with electromagnetic speed controller, this electromagnetic speed controller controls electric motor and rotates, described electric motor is connected with chuck (7), and this motor drive chuck (7) horizontally rotates.
6. a kind of quenching device for roller shell according to claim 2, is characterized in that: the area sum of the upper all outer water jets of described peripheral water pipe (10) is less than two annular conduit water-in (8) the section area sums be connected with annular conduit (4).
7. a kind of quenching device for roller shell according to claim 3, is characterized in that: the area sum of the upper all interior water jets of described central water tube (2) is less than its lower center water pipe water-in section area.
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CN201420844475.4U CN204342843U (en) | 2014-12-25 | 2014-12-25 | A kind of quenching device for roller shell |
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CN201420844475.4U CN204342843U (en) | 2014-12-25 | 2014-12-25 | A kind of quenching device for roller shell |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104480286A (en) * | 2014-12-25 | 2015-04-01 | 马鞍山市天马冶金材料有限公司 | Quenching device and quenching method for roller sleeve |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104480286A (en) * | 2014-12-25 | 2015-04-01 | 马鞍山市天马冶金材料有限公司 | Quenching device and quenching method for roller sleeve |
CN104480286B (en) * | 2014-12-25 | 2016-08-17 | 马鞍山市天马冶金材料有限公司 | A kind of quenching unit for roller shell |
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