CN218873245U - Wear-resistant roller on surface of roller - Google Patents

Abstract

The utility model relates to a roll technical field specifically is a stand wear and tear roll in roll surface, include: the roller comprises a roller body and a pipe body, wherein the pipe body is connected to the roller body in a sliding mode, and a wear-resistant layer is arranged on the pipe body. The utility model discloses the butt pole inserts trapezoidal mouth inboard and drives the locating piece upwards to break away from the constant head tank and can dismantle the body from the roll body, then changes the new body, makes the sustainable use of roll body, can reduce unnecessary wasting of resources; after cooling water enters the inner side of the annular square pipe, the cooling water enters the cooling groove through the water outlet and then enters the circulating cooling channel to cool the roller and prolong the service life of the roller.

Description

Wear-resistant roller on surface of roller

Technical Field

The utility model relates to the technical field of machine tools, specifically a roll surface stand wear and tear roll.

Background

The roller is a main working component and tool for producing continuous plastic deformation of metal on the rolling mill, and is mainly formed from roller body, roller neck and shaft head portion, the roller body is the middle portion of roller which is actually used for rolling metal, and has smooth cylindrical surface or surface with rolling groove, the roller neck is mounted in the bearing, and can be used for transferring rolling force to machine frame by means of bearing seat and screw-down device, and the driving end shaft head is connected with gear seat by means of connecting shaft, and can transfer the rotating torque of motor to roller, and the roller can be arranged in the form of two-roller, three-roller, four-roller or multi-roller in the machine frame of rolling mill, and the high-speed steel roller is an important component on the rolling mill, and can be used for rolling steel material by means of pressure produced when a pair of rollers or a group of rollers is rolled.

When the high-speed steel roller works, severe friction can be generated between the high-speed steel roller and steel, a large amount of heat can be generated in the period, and if the heat is not timely scattered, serious abrasion can be caused due to overhigh surface temperature of the roller.

The surface of the existing roller is easy to wear and deform in the metal extrusion process, the service life is greatly shortened, and unnecessary waste is caused because the surface is damaged and needs to be integrally replaced; meanwhile, the roller has no corresponding cooling function, so that a large amount of heat is generated after the roller works for a long time, and the surface hardness of the roller sleeve is lowered.

For example, the invention discloses a high-toughness wear-resistant roller with an authorization notice number of CN107931332A, which comprises a roller shaft body (1) and is characterized in that: the roller shaft body (1) is connected with a roller main body consisting of an inner layer (2), a middle layer (3) and an outer layer (4), and the roller shaft body (1) and the roller main body are manufactured into a whole. The high-toughness wear-resistant roller is a roller main body which is formed by reasonably compounding the inner layer, the middle layer and the outer layer, so that a roller body of the roller has good high toughness and wear resistance and excellent working performance.

The above patent and the prior art really have the roller surface damage and need to be replaced integrally, which causes unnecessary waste; meanwhile, the roller has no corresponding cooling function, so that a large amount of heat is generated after the roller works for a long time, and the surface hardness of the roller sleeve is lowered.

There is therefore a need for a roll with wear resistant roll surfaces that solves the above mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stand wear and tear roll in roll surface to there is the problem of drawback in solving vertical lathe and horizontal lathe.

In order to achieve the above purpose, the utility model provides a following technical scheme: a roll surface wear resistant roll comprising: the roller comprises a roller body and a pipe body, wherein the pipe body is connected to the roller body in a sliding mode, and a wear-resistant layer is arranged on the pipe body.

Preferably, the inside mounting groove that is provided with of roll body (1), the inboard slip of mounting groove is provided with the locating piece, is provided with the spring between locating piece and the mounting groove, and the elasticity through the spring promotes the locating piece and inserts the inboard location to the roll body of constant head tank, is provided with trapezoidal mouth on the locating piece.

Preferably, the lateral wall of mounting groove is provided with dismantles the mouth, inserts along dismantling the mouth and supports the pole, can drive the locating piece through supporting the trapezoidal mouth of pole butt and break away from the constant head tank along the mounting groove rebound and conveniently dismantle the tube body on the roll body.

Preferably, the pipe inner wall symmetry is provided with the constant head tank, and the inboard of constant head tank is pegged graft and is had the locating piece, and the locating piece inserts the inboard location to the pipe body of constant head tank.

Preferably, the side symmetry of roll body is provided with the cooling groove, and the inboard rotation in cooling groove is connected with annular side's pipe, and annular side's pipe passes through sealing washer sealing connection with the cooling groove junction.

Preferably, be provided with water supply connector and delivery port on the annular side pipe, water supply connector is connected with outside circulation pipeline, and the setting of delivery port is used for carrying the inside water of annular side pipe to the cooling inslot.

Preferably, a circulating cooling channel is arranged between the cooling grooves, and water entering the cooling grooves can enter the circulating cooling channel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses the pole inserts trapezoidal mouth inboard and drives the locating piece upwards to break away from the constant head tank and can dismantle the body from the roll body, then the body of renewal, makes roll body sustainable use, can reduce the unnecessary wasting of resources.

2. The utility model discloses cooling water gets into annular square tube inboard back, gets into the cooling inslot through the delivery port, then reentrant circulation cooling passageway can cool down extension roll life to the roll.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the overall structure of the present invention;

in the figure: the roller comprises a roller body 1, a cooling groove 11, a mounting groove 12, a dismounting opening 13, a circulating cooling channel 14, a spring 15, a pipe body 2, a wear-resistant layer 21, a positioning groove 22, an annular square pipe 3, a water inlet connector 31, a water outlet 32, a positioning block 4 and a trapezoidal opening 41.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 and 2, there is shown a roll having a wear resistant roll surface comprising: roll body 1 and body 2, sliding connection has body 2 on roll body 1, and the inner wall of body 2 is square mouthful, is provided with wearing layer 21 on the body 2, and the wearing layer 21 improves the wearability of body 2 on the resistant layer that rubs.

The roller body (1) is internally provided with a mounting groove (12), a positioning block (4) is arranged on the inner side of the mounting groove (12) in a sliding manner, a spring (15) is arranged between the positioning block (4) and the mounting groove (12), the positioning block (4) is pushed by the elasticity of the spring (15) to be inserted into the positioning groove (22) to be positioned on the pipe body (2), and the positioning block (4) is provided with a trapezoidal opening (41).

The lateral wall of mounting groove 12 is provided with dismantles mouthful 13, inserts along dismantling mouthful 13 and supports the pole, and you can drive locating piece 4 through supporting the trapezoidal mouth 41 of pole butt and break away from constant head tank 22 along mounting groove 12 rebound and conveniently dismantle body 2 on the roll body 1.

The inner wall of the pipe body 2 is symmetrically provided with positioning grooves 22, the inner sides of the positioning grooves 22 are inserted with positioning blocks 4, and the positioning blocks 4 are inserted into the inner sides of the positioning grooves 22 to position the pipe body 2.

When this roll needs to change body 2: the body 2 cup joints on the roll body 1, and elasticity through spring 15 promotes locating piece 4 and inserts the constant head tank 22 inboard downwards and fix a position body 2, when needing to dismantle body 2, inserts along dismantling mouthful 13 and supports the pole, can drive locating piece 4 through supporting the trapezoidal mouth 41 of pole butt and break away from constant head tank 22 along mounting groove 12 rebound and conveniently dismantle body 2 on the roll body 1, conveniently change the life that the body improved roll body 1, reduce unnecessary wasting of resources.

Example 2

Referring to fig. 1 and 2, this embodiment is further illustrated for example 1, which shows a roll having a wear resistant roll surface, comprising: the roller comprises a roller body 1 and a pipe body 2, wherein the pipe body 2 is connected to the roller body 1 in a sliding mode, and a wear-resistant layer 21 is arranged on the pipe body 2.

The side symmetry of roll body 1 is provided with cooling groove 11, and the inboard rotation of cooling groove 11 is connected with annular side's pipe 3, and annular side's pipe 3 keeps the position unchangeable when roll body 1 rotates, and annular side's pipe 3 passes through sealing washer sealing connection with cooling groove 11 junction.

The annular square pipe 3 is provided with a water inlet connector 31 and a water outlet 32, the water inlet connector 31 is connected with an external circulating pipeline, and the water outlet 32 is used for conveying water on the inner side of the annular square pipe 3 to the interior of the cooling groove 11.

A circulating cooling channel 14 is arranged between the cooling grooves 11, and water entering the cooling grooves 11 can enter the circulating cooling channel 14.

In this embodiment, water supply connector 31 is connected with outside circulating line, and the cooling water gets into annular side pipe 3 inboardly, gets into cooling groove 11 inboardly through delivery port 32, then through cooling groove 11 inside entering circulation cooling passageway 14, can cool down improvement life to the roll.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. A roll having a wear resistant roll surface, comprising:

roll body (1) and body (2), sliding connection has body (2) on roll body (1), be provided with wearing layer (21) on body (2), the side symmetry of roll body (1) is provided with cooling groove (11), and the inboard of cooling groove (11) is rotated and is connected with annular side's pipe (3), be provided with water supply connector (31) and delivery port (32) on annular side's pipe (3), be provided with circulation cooling passageway (14) between cooling groove (11).

2. The roll surface wear resistant roll of claim 1, wherein: the roller body (1) is internally provided with a mounting groove (12), a positioning block (4) is arranged on the inner side of the mounting groove (12) in a sliding mode, a spring (15) is arranged between the positioning block (4) and the mounting groove (12), and a trapezoid opening (41) is formed in the positioning block (4).

3. The roll surface wear resistant roll of claim 2, wherein: the side wall of the mounting groove (12) is provided with a dismounting opening (13).

4. The roll surface wear resistant roll of claim 1, wherein: the inner wall of the pipe body (2) is symmetrically provided with positioning grooves (22), and positioning blocks (4) are inserted into the inner sides of the positioning grooves (22).

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