CN207043035U - A kind of pinch roll assembling - Google Patents

Abstract

The utility model provides a kind of pinch roll assembling, including casing, roller, gland, bearing, bevel gear and rotating shaft, the rotating shaft sequentially passes through in casing, gland and roller from bottom to top, connected between rotating shaft and casing edge by bearing, the locating piece for Horizontal limiting bearing is provided between casing and bearing, interconnected lubricant channel is provided with inside locating piece and gland, space is provided between roller and casing, lubricating fluid flows into lubricant channel, in the space for flowing ultimately into gland and bearing.Pinch roll assembling described in the utility model has the advantage that：Structure simplifies, and from performance, and the carrying of the double-row conical bearing of identical internal-and external diameter is bigger than single-row, rigidly to get well, and biserial can be with aligning, single-row cannot；In seal aspect, the sealing means of rotary shaft lip seal are added below bearing, thus prevent liquid from flowing down to greatest extent.

Description

A kind of pinch roll assembling

Technical field

The utility model belongs to tight volume machine field, is assembled more particularly, to a kind of pinch roll.

Background technology

Pinch roll is the vertical collecting region equipment of hot-strip, after finish rolling between last rolling mill and flat bed delivery chain, flat Between plate conveyer chain and vertical coiler, it is strip will to have turned round vertical strip and be fed forward and will be erect on carrier bar that it, which is acted on, Five-roll machine and coiling machine are sent respectively, pinch roll serves critical conveying and leads steel effect in this process, so he Normal operation seem most important.

Pinch roll apparatus mainly includes pinch roll assembling, free roll assembling, motor transmission assembling and cylinder driving assembling, electricity Machine drives pinch roll rotation, and free roll is adjacent on pinch roll in the presence of cylinder in cylinder driving assembling, pinch roll with from Strip is clamped by roller together, in the presence of motor, realizes and pinches the purpose that strip is goed ahead.

In the prior art, pinch roll uses single-row tapered roller bearing, the defects of using single-row tapered roller bearing maximum It is to need to adjust the size of clearance in assembling.The difficulty of assembling is so virtually increased, assembling master worker has also been tested, has stayed Gap it is too big, the easy vibration of bearing, stay gap too small roller rotate it is dumb, at work if increase heavy burden will go out The problem of existing roller does not turn, this is problem one.Secondly be exactly bearing occur in assembling it is necessary to consider the lubrication of bearing, although Bevel gear is among thin oil in this assembling, but it gets along holy remote with bearing, can not meet the lubrication of bearing, institute at all There is the lubricating system that bearing there must be oneself, we are periodically added using dry oil lubrication using lubricating cup in this structure Enter, such drier oil will be wrapped among bearing, so as to play a part of lubricating bearing.It is actual but this is perfect condition Situation is that, because this equipment is in collecting region, roller directly contacts steel band, and temperature of steel strips now is up to 800 DEG C or so, by So high in residing environment temperature, along with continual machine run, the lubricating grease being added to from lubricating cup in chamber is basic It is melted into from paste liquid, so in real work, the lubricating system of bearing becomes thin oil lubricant in fact, and below bearing Any seal form is not selected between casing, so in the case where running at high speed, must so cause lubricating oil all to be flowed toward flowing down Arrive in pinch roller box body, so there have been two problems, first, oil-free can use around bearing, that necessarily at high temperature can Burn bearing, the axle is worn to change for that, and not saying wastes time and energy, and also has a strong impact on manufacturing schedule；Secondly it is exactly the lubrication of top Oil has all been arrived in casing, although the bevel gear in casing is thin oil lubricant, can not fill it up with FCL oil, but producing In, in order to prevent burn bearing, worker can periodically give bearing oiling, and so oil has all flowed to casing, and the oil in that casing is just It can be continuously increased, go round and begin again, worker must drain the oil to casing, which adds workload, and generate contradiction, again Be afraid of top bearing oil starvation, be afraid of to add oil in too many casing full again, so conventional design has irrationality.In summary, improve This structure is extremely urgent, one to reduce assembling when difficulty, two solve the problems, such as bearing lubrication, and we make as follows to structure Change.

The content of the invention

In view of this, the utility model is directed to a kind of pinch roll assembling, can solve above-mentioned technical problem.

To reach above-mentioned purpose, what the technical solution of the utility model was realized in：

A kind of pinch roll assembling, including casing, roller, gland, bearing, bevel gear and rotating shaft, the rotating shaft is from bottom to top Sequentially pass through in casing, gland and roller, bevel gear in casing, rotating shaft through bevel gear, rotating shaft and casing edge it Between connected by bearing, the locating piece for Horizontal limiting bearing is provided between casing and bearing, locating piece is fixed on casing, presses Lid is fixed on that casing outer end is spacing to bearing, and gland is secured by bolts in locating piece, and roll end is provided with groove, and gland card is set In in groove, interconnected lubricant channel is provided with inside locating piece and gland, space is provided between roller and casing, positioned Block is extended in groove, and the import of lubricant channel is located at the outside of locating piece, and lubricating fluid flows into lubricant channel, finally flowed into Into the space of gland and bearing.

Further, the bearing is double-row conical bearing.

Further, lip-type packing is provided between the bearing and bevel gear, lip-type packing is sheathed in rotating shaft, lip Sealing ring is squeezed between box inside and bevel gear.

Further, the lower inwall of the lubricant channel is inclined plane, and the inclined plane is sloped downwardly towards rotating shaft one.

Further, waterproof jacket is provided between the gland and rotating shaft.

Relative to prior art, pinch roll assembling described in the utility model has the advantage that：Structure simplifies, and from Said in performance, the carrying of the double-row conical bearing of identical internal-and external diameter is bigger than single-row, rigidly to get well, and biserial can With aligning, single-row cannot；In seal aspect, the sealing means of rotary shaft lip seal are added below bearing, this Sample just prevents liquid from flowing down to greatest extent.

Brief description of the drawings

Form a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new The schematic description and description of type is used to explain the utility model, does not form to improper restriction of the present utility model. In accompanying drawing：

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the enlarged diagram of part A in Fig. 1；

Description of reference numerals：

1- casings；2- rollers；3- glands；4- waterproof jackets；5- bearings；6- lip-type packings；7- bevel gears；8- rotating shafts；9- Locating piece；10- lubricant channels；11- grooves.

Embodiment

It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can To be mutually combined.

In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ", The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that For to limitation of the present utility model.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately It is described, " multiple " are meant that two or more.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition State concrete meaning of the term in the utility model.

Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

As shown in Fig. 1~2, a kind of pinch roll assembling, including casing 1, roller 2, gland 3, bearing 5, bevel gear 7 and rotating shaft 8, the rotating shaft 7 sequentially passes through in casing 1, gland 3 and roller 2 from bottom to top, and in casing 1, rotating shaft 8 runs through bevel gear 7 In bevel gear 7, connected between rotating shaft 8 and the edge of casing 1 by bearing 5, be provided between casing 1 and bearing 5 and be used for Horizontal limiting The locating piece 9 of bearing 5, locating piece 9 are fixed on casing 1, and gland 3 is fixed on that the outer end of casing 1 is spacing to bearing 5, and gland 3 passes through spiral shell Bolt is fixed on locating piece 9, and the end of roller 2 is provided with groove 11, and gland 3 is arranged in groove 11, is set inside locating piece 9 and gland 3 There is interconnected lubricant channel 10, space is provided between roller 2 and casing 1, locating piece 9 is extended in groove 11, lubrication The import of liquid passage 10 is located at the outside of locating piece 9, and lubricating fluid flows into lubricant channel 10, flows ultimately into gland 3 and bearing 5 Space in.

The bearing 5 is double-row conical bearing.So the clearance of bearing only and bearing in itself inside spacer ring it is relevant, Go to adjust without artificial, this reduces assembly difficulty, also simplify from the point of view of overall structure a lot, without three bearings 5 Superposition assembling, also eliminate many times, and from performance, the carrying of the double-row conical bearing of identical internal-and external diameter will It is bigger than single-row, rigidly to get well, and biserial can be with aligning, single-row cannot.

Lip-type packing 6 is provided between the bearing 5 and bevel gear 7, lip-type packing 6 is sheathed in rotating shaft 8, and lip is close Seal 6 is squeezed between the inner side of casing 1 and bevel gear 7.In seal aspect, rotating shaft lip-shaped sealing is added below bearing 5 The sealing means of circle 6, thus prevent liquid from flowing down to greatest extent.

The lower inwall of the lubricant channel 10 is inclined plane, and the inclined plane is sloped downwardly towards rotating shaft 8 one.Inclined plane is more Beneficial to the inflow of lubricating fluid, prevent from flowing out outside equipment.It is more convenient from side oiling in terms of the convenient degree of oiling.

Waterproof jacket 4 is provided between the gland 3 and rotating shaft 8.

During oiling, it is inserted into using long duct in lubricant channel 10, lubricating fluid is squeezed into.

Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in Protection domain within.

Claims (5)

1. A kind of 1. pinch roll assembling, it is characterised in that：Including casing (1), roller (2), gland (3), bearing (5), bevel gear (7) With rotating shaft (8), the rotating shaft (8) sequentially passes through from bottom to top to be located in casing (1), gland (3) and roller (2), bevel gear (7) In casing (1), rotating shaft (8) is connected, casing through bevel gear (7) between rotating shaft (8) and casing (1) edge by bearing (5) (1) locating piece (9) for Horizontal limiting bearing (5) is provided between bearing (5), locating piece (9) is fixed on casing (1), presses It is spacing to bearing (5) that lid (3) is fixed on casing (1) outer end, and gland (3) is secured by bolts in locating piece (9), roller (2) end Portion is provided with groove (11), and gland (3) is arranged in groove (11), and interconnected profit is provided with inside locating piece (9) and gland (3) Synovia passage (10), space is provided between roller (2) and casing (1), locating piece (9) is extended in groove (11), and lubricating fluid leads to The import in road (10) be located at locating piece (9) outside, lubricating fluid flow into lubricant channel (10), flow ultimately into gland (3) and In the space of bearing (5).
2. 2. pinch roll assembling according to claim 1, it is characterised in that：The bearing (5) is double-row conical bearing.
3. 3. pinch roll assembling according to claim 2, it is characterised in that：It is provided between the bearing (5) and bevel gear (7) Lip-type packing (6), lip-type packing (6) are sheathed in rotating shaft (8), and lip-type packing (6) is squeezed on the inside of casing (1) and umbrella Between gear (7).
4. 4. pinch roll assembling according to claim 1, it is characterised in that：The lower inwall of the lubricant channel (10) is to incline Inclined-plane, the inclined plane are sloped downwardly towards rotating shaft (8) one.
5. 5. pinch roll assembling according to claim 1, it is characterised in that：It is provided between the gland (3) and rotating shaft (8) anti- Water jacket (4).