CN208936610U - A kind of cooling mechanism suitable for hot roller - Google Patents

Abstract

The utility model provides a kind of cooling mechanism suitable for hot roller, including barrel and it is mounted in the intracorporal burner of roller, spindle nose is respectively arranged at the both ends of barrel, bearing is housed on spindle nose, bearing is in bearing block, bearing (ball) cover is equipped on the outside of bearing block, smoke exhaust pipe is set between each spindle nose and burner, gap between smoke exhaust pipe and burner is set as discharge flue, discharge flue is connected to barrel, gap is equipped between the smoke exhaust pipe and spindle nose, the gap setting is bearing cooling channel, the one end in bearing cooling channel is set as cooling medium outlet, the other end is set as cooling medium inlet.The utility model effectively reduces the problem of temperature rise of hot roller spindle nose in high-temperature flue gas discharge process by the way of cooling medium partition, avoids Bearing Temperature, substantially prolongs the service life of bearing.

Description

A kind of cooling mechanism suitable for hot roller

Technical field

The utility model relates to a kind of cooling mechanisms, more specifically to a kind of suitable for protecting hot roller bearings Cooling mechanism.

Background technique

Existing hot roller includes barrel and is mounted in the intracorporal burner of roller, is respectively arranged with axis at the both ends of barrel Head, two form confined space between spindle nose and burner and barrel, are respectively equipped with bearing on two spindle noses.Existing heat The flue gas of roller is directly discharged out of hot drum shaft head bore, and spindle nose temperature is high in order to prevent, frequently in smoke exhaust pipe and hot roller Install heat-barrier material between spindle nose additional, due to narrow space, heat-barrier material effect is limited, causes Bearing Temperature, is quickly invalidated.

Summary of the invention

Technical problem to be solved in the utility model be in view of the deficiencies of the prior art, provide it is a kind of design rationally, keep away Exempt from the cooling mechanism suitable for hot roller of Bearing Temperature, concrete scheme is as follows:

The utility model is a kind of cooling mechanism suitable for hot roller, including barrel and is mounted in the intracorporal combustion of roller Burner is respectively arranged with spindle nose at the both ends of barrel, bearing is housed, bearing is set on the outside of bearing block in bearing block on spindle nose There is bearing (ball) cover, its main feature is that: smoke exhaust pipe is set between each spindle nose and burner, between smoke exhaust pipe and burner Gap is set as discharge flue, and discharge flue is connected to barrel, gap is equipped between the smoke exhaust pipe and spindle nose, which sets Be set to bearing cooling channel, bearing cooling channel one end be set as cooling medium outlet, the other end be set as cooling medium into Mouthful.

Technical problem to be solved in the utility model can also be further realized by technical solution below, described Smoke exhaust pipe is equipped with the main pipe of suit on the burner, and the inner end of main pipe is equipped with the mounting flange being connected with spindle nose inner face, It is equipped with the smoke exhaust pipe fixing seat of dress on the burner in the outer end of main pipe, smoke exhaust pipe fixing seat is equipped with and is connected to discharge flue Exhanst gas outlet.

Technical problem to be solved in the utility model can also be further realized by technical solution below, arranged It is equipped with cooling medium between smoke pipe fixing seat and bearing (ball) cover and enters end cap, covers in cooling medium upstream end equipped at least one The cooling medium inlet being connected to bearing cooling channel；The cooling medium outlet is located on the spindle nose of barrel, and with Bearing cooling channel connection.

Technical problem to be solved in the utility model can also be further realized by technical solution below, cooling Media inlet end lid and smoke exhaust pipe joint, cooling medium enter end cap and spindle nose, bearing (ball) cover joint are equipped with sealing ring.

Technical problem to be solved in the utility model can also be further realized by technical solution below, when cold But when medium is cold wind, the cooling medium inlet is an air inlet hole, and the cooling medium outlet is along spindle nose circumferential direction Several exhaust vents being arranged.

Technical problem to be solved in the utility model can also be further realized by technical solution below, when cold But when medium is liquid, the cooling medium inlet is two inlet openings, and is symmetricly set on cooling medium upstream end and covers, institute Stating cooling medium outlet is several fluid holes being arranged along spindle nose circumferential direction.

Technical problem to be solved in the utility model can also be further realized by technical solution below, described The width in bearing cooling channel is 6mm-12mm.

Smoke exhaust pipe is respectively set by the both ends in barrel in the utility model, and the gap between smoke exhaust pipe and burner is set It is set to discharge flue, the gap setting between smoke exhaust pipe and spindle nose is bearing cooling channel, is generated when the hot roller of combustion heating When high-temperature flue gas is discharged by discharge flue, cooling medium cold wind or cold water etc. enter from cooling medium inlet, are cooled down by bearing Channel exports from cooling medium be discharged again, effectively separates high-temperature flue gas to hot roller spindle nose and transmits heat.

Compared with prior art, the utility model effectively reduces high-temperature flue gas discharge by the way of cooling medium partition The problem of temperature rise of hot roller spindle nose in the process, avoids Bearing Temperature, substantially prolongs the service life of bearing.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or required attached drawing is briefly described in description of the prior art, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also Other drawings may be obtained according to these drawings without any creative labor.

Fig. 1 is a kind of structural schematic diagram of the utility model.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figure 1, a kind of cooling mechanism suitable for hot roller provided in this embodiment, including barrel 10 and dress Burner 1 in barrel 10 is respectively provided with the spindle nose 8 being sleeved on outside burner 1, spindle nose 8 at the both ends of barrel 10 It is connected by bolt with barrel 10, bearing 7 is housed on spindle nose 8, bearing 7 is set on the outside of bearing block 6 in bearing block 6 There is bearing (ball) cover 4.Smoke exhaust pipe 9 is respectively installed between each spindle nose 8 and burner 1, between smoke exhaust pipe 9 and burner 1 Gap be set as discharge flue 15, discharge flue 15 is communicated with barrel 10.

The smoke exhaust pipe 9 is equipped with the main pipe being sleeved on burner 1, and the inner end of main pipe is equipped with and 8 inner face of spindle nose Connected mounting flange, mounting flange are linked together with main pipe, and mounting flange is connected by bolt with spindle nose 8, in main pipe Outer end be equipped with 9 fixing seat of smoke exhaust pipe on the burner 1,9 fixing seat of smoke exhaust pipe is connected with burner 1, the fixation of smoke exhaust pipe 9 Seat is equipped with the exhanst gas outlet 2 being connected to discharge flue 15.

Gap is equipped between the smoke exhaust pipe 9 and spindle nose 8, which is bearing cooling channel 12, and bearing cooling is logical The width in road 12 is 10mm.It is equipped with cooling medium between smoke exhaust pipe fixing seat 14 and bearing (ball) cover 4 and enters end cap 13, in cooling Media inlet end lid 13 is equipped at least one cooling medium inlet 3 being connected to bearing cooling channel 12；Close to barrel 10 spindle nose 8 is equipped with cooling medium outlet 11, and cooling medium outlet 11 is connected to bearing cooling channel 12.Cooling medium enters End cap 13 and 9 joint of smoke exhaust pipe, cooling medium enter end cap 13 and spindle nose 8,4 joint of bearing (ball) cover are equipped with sealing ring 5.

It is cooling to be situated between when the high-temperature flue gas that the hot roller of combustion heating generates is discharged by discharge flue 15 from exhanst gas outlet 2 Matter enters bearing cooling channel 12 by cooling medium inlet 3, comes out from cooling medium outlet 11, contrary with flow of flue gas Setting transmits heat to hot roller spindle nose 8 to effectively separate high-temperature flue gas.

Another embodiment of mechanism, the cooling medium can be cold wind or cooling liquid.When cooling medium is When cold wind, the cooling medium inlet 3 is a round air inlet hole, and cooling medium inlet 3 is connected by pipeline with air blower, institute Stating cooling medium outlet 11 is several exhaust vents being arranged along spindle nose circumferential direction.

When cooling medium is liquid, when such as water, the cooling medium inlet 3 is set there are two inlet opening, and is symmetricly set on Cooling medium enters on end cap 13, and water inlet pipe is separately connected on two cooling medium inlets 3, and the cooling medium outlet 11 is Along several fluid holes of spindle nose circumferential direction setting, it can be equipped with the cover for covering several exhaust vents outside spindle nose, in the cover Water is collected, the cover is equipped with a water outlet being connected with drainage pipeline.

Mechanism effectively reduces 10 both ends of barrel in high-temperature flue gas discharge process by the way of cooling medium partition The problem of temperature rise of spindle nose 8, it is excessively high to avoid 7 temperature of bearing, substantially prolongs the service life of bearing 7.

Claims (7)

1. a kind of cooling mechanism suitable for hot roller, including barrel and it is mounted in the intracorporal burner of roller, in barrel Both ends be respectively arranged with spindle nose, bearing is housed on spindle nose, bearing is equipped with bearing (ball) cover in bearing block on the outside of bearing block, It is characterized in that: being set with smoke exhaust pipe between each spindle nose and burner, the gap between smoke exhaust pipe and burner is set as Discharge flue, discharge flue are connected to barrel, and gap is equipped between the smoke exhaust pipe and spindle nose, which is bearing drop The one end in warm channel, bearing cooling channel is set as cooling medium outlet, and the other end is set as cooling medium inlet.

2. the cooling mechanism according to claim 1 suitable for hot roller, it is characterised in that: the smoke exhaust pipe is equipped with suit Main pipe on the burner, the inner end of main pipe is equipped with the mounting flange being connected with spindle nose inner face, in the outer end of main pipe Smoke exhaust pipe fixing seat equipped with dress on the burner, smoke exhaust pipe fixing seat are equipped with the exhanst gas outlet being connected to discharge flue.

3. the cooling mechanism according to claim 2 suitable for hot roller, it is characterised in that: in smoke exhaust pipe fixing seat and axis It is equipped with cooling medium between socket end lid and enters end cap, covers in cooling medium upstream end equipped at least one and bearing cooling channel The cooling medium inlet of connection；The cooling medium outlet is located on the spindle nose of barrel, and is connected with bearing cooling channel It is logical.

4. the cooling mechanism according to claim 3 suitable for hot roller, it is characterised in that: cooling medium enter end cap with Smoke exhaust pipe joint, cooling medium enter end cap and spindle nose, bearing (ball) cover joint are equipped with sealing ring.

5. the cooling mechanism according to claim 3 suitable for hot roller, it is characterised in that: when cooling medium is cold wind When, the cooling medium inlet is an air inlet hole, and the cooling medium outlet is several being arranged along spindle nose circumferential direction Exhaust vent.

6. the cooling mechanism according to claim 3 suitable for hot roller, it is characterised in that: when cooling medium is liquid When, the cooling medium inlet is two inlet openings, and is symmetricly set on cooling medium upstream end and covers, and the cooling medium goes out Mouth is several fluid holes being arranged along spindle nose circumferential direction.

7. the cooling mechanism according to claim 1 suitable for hot roller, it is characterised in that: bearing cooling channel Width is 6mm-12mm.