CN214639114U

CN214639114U - Wear-resistant roller on surface of roller

Info

Publication number: CN214639114U
Application number: CN202120619259.XU
Authority: CN
Inventors: 董军海; 张占明; 张红涛
Original assignee: Xingtai Xingye Machinery Equipment Co ltd
Current assignee: Xingtai Xingye Machinery Equipment Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-11-09
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses a roll surface stand wear and tear roll, including the roll body, the roll body both ends all are provided with the roller, the one end that the roll body was kept away from to the roller is provided with the installation piece, the roll body circumference outside is provided with the spacing of six equidistance arrangements, and roll body circumference outside cover is equipped with the roller shell, the joint groove has all been seted up at the roller shell both ends, roll shaft circumference outside cover is equipped with the closing cap with joint groove matched with, wherein the installation piece of one end, the inside inlet tube that has a perfect understanding of having seted up of roller and roll body, other end installation piece, the inside outlet pipe of having seted up of roller and roll body, it has six cooling tubes of alternating spacing inside to be provided with between inlet tube and the outlet pipe. Has the advantages that: through the roll shell that sets up multilayer structure and the roll body that has the heat dissipation function for the roll shell has stand wear and tear surface and good heat absorption ability under the condition of guaranteeing inner structure intensity, improves the heat-sinking capability, and then avoids the roll shell to generate heat the intensity step-down that causes, the easy wearing and tearing scheduling problem, improves life.

Description

Wear-resistant roller on surface of roller

Technical Field

The utility model relates to a roll device field particularly, relates to a stand wear and tear roll in roll surface.

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 existing roller has no corresponding cooling function, so that a large amount of heat is generated after the roller works for a long time, the surface hardness of a roller sleeve is low, the roller sleeve is easy to wear and deform in the metal extrusion process, and the service life is greatly shortened; when the roller sleeve is replaced, the replacement is inconvenient due to the complex structure.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a stand wear and tear roll in roll surface to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

the utility model provides a stand wear and tear roll in roll surface, including the roll body, the roll body both ends all are provided with the roller, the one end that the roll body was kept away from to the roller is provided with the installation piece, the roll body circumference outside is provided with the spacing of six equidistance arrangements, and roll body circumference outside cover is equipped with the roller shell, the joint groove has all been seted up at the roller shell both ends, roll shaft circumference outside cover is equipped with the closing cap with joint groove matched with, wherein the installation piece of one end, the inside inlet tube that has a perfect understanding has been seted up of roller and roll body, other end installation piece, the inside outlet pipe of having seted up of roller and roll body, be provided with six cooling tubes of interlude spacing inside between inlet tube and the outlet pipe.

Furthermore, in order to enable the roller sleeve to have the functional characteristics of high strength, easy heat conduction and wear resistance and improve the wear resistance of the roller sleeve, the roller sleeve comprises a structural layer, a heat absorption layer and a wear-resistant layer which are sequentially arranged from inside to outside, and clamping grooves are formed in two ends of the structural layer.

Furthermore, in order to enable the roller sleeve and the roller body to be clamped between the roller sleeve and the roller body in a limiting mode, the roller body is guaranteed to be stably connected with the roller sleeve when rotating, an installation channel matched with the roller body is formed inside the structural layer, and six limiting grooves matched with the limiting strips are formed in the inner side wall of the installation channel.

Further, in order to make the closing cap can carry out certain spacing to the roller shell, improve the intensity and the stability of roller shell, the joint groove is regular hexagon structure with the closing cap.

Further, in order to make the both sides closing cap can fix the roller shell, prevent to rotate the in-process roller shell and take place horizontal skew, the mounting hole that three equidistance was arranged and is the regular triangle structure is seted up to closing cap one side, and the roll body both ends have all been seted up three and mounting hole matched with mounting groove, keep being connected through fixing bolt between mounting groove and the mounting hole.

Furthermore, in order to improve the contact time and the contact area between the cooling pipe and the roller sleeve and improve the internal heat dissipation capacity of the roller sleeve, the cooling pipe is of a interlinked S-shaped structure inside the limiting strip.

The utility model has the advantages that:

1. through the roller shell that sets up multilayer structure and the roll body that has the heat dissipation function for the roller shell has stand wear and tear surface and good heat absorption ability under the condition of guaranteeing inner structure intensity, and the continuous cooling of the inside cooling tube of cooperation roll body and spacing strip, thereby makes the roller shell maintain lower temperature throughout, and then avoids the roller shell to generate heat the intensity step-down that causes, easy wearing and tearing scheduling problem, improves life.

2. The clamping grooves and the sealing covers at the two ends of the roller sleeve are arranged, so that the roller sleeve can be fixed at the two ends of the roller body, the size of the roller is reduced, and the structural strength of the roller sleeve can be further enhanced; the device has the advantages of simple structure and convenient operation, and reduces the operation steps of disassembling and replacing the roller sleeve, thereby improving the working efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a roll with a wear-resistant roll surface according to an embodiment of the present invention;

fig. 2 is a schematic view of a roll body structure of a roll with a wear-resistant roll surface according to an embodiment of the present invention;

fig. 3 is a schematic view of a roll sleeve structure of a wear-resistant roll with a roll surface according to an embodiment of the present invention;

fig. 4 is a partial cross-sectional view of a roll sleeve structure in a roll having a wear-resistant roll surface according to an embodiment of the present invention;

fig. 5 is a schematic view of a roll cover structure in a roll with wear-resistant roll surface according to an embodiment of the present invention;

fig. 6 is a sectional view of a roll body structure in a roll with a wear-resistant roll surface according to an embodiment of the present invention;

fig. 7 is a sectional view of a structure of a stop strip and a cooling pipe in a roller with a wear-resistant roller surface according to an embodiment of the present invention.

In the figure:

1. a roller body; 2. a roll shaft; 3. mounting blocks; 4. a limiting strip; 5. a roller sleeve; 501. a structural layer; 502. a heat absorbing layer; 503. a wear layer; 6. a clamping groove; 7. sealing the cover; 8. a water inlet pipe; 9. a water outlet pipe; 10. a cooling tube; 11. installing a channel; 12. a limiting groove; 13. mounting holes; 14. mounting grooves; 15. and (5) fixing the bolt.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a stand wear and tear roll in roll surface.

Now combine the figure and detailed embodiment to the utility model discloses it is further explained, as shown in fig. 1-7, according to the utility model discloses a roll surface stand wear and tear roll, including roll body 1, roll body 1 both ends all are provided with roller 2, the one end that roll body 1 was kept away from to roller 2 is provided with installation piece 3, the 1 circumference outside of roll body is provided with the spacing 4 of six equidistance arrangements, and the 1 circumference outside cover of roll body is equipped with roller shell 5, joint groove 6 has all been seted up at roller shell 5 both ends, the 2 circumference outside covers of roller shell are equipped with and are equipped with 6 matched with closing cap 7 with joint groove, wherein the installation piece 3 of one end, the inlet tube 8 that link up is seted up to

roller

2 and 1 inside of roll body, other end installation piece 3, the outlet pipe 9 has been seted up to

roller

2 and 1 inside of roll body, be provided with six cooling tubes 10 that alternate spacing 4 insides between inlet tube 8 and the outlet pipe 9.

With the aid of the above technical scheme, through the roll shell 5 that sets up multilayer structure and the roll body 1 that has the heat dissipation function for roll shell 5 has stand wear and tear surface and good heat absorption ability under the circumstances of guaranteeing inner structure intensity, the continuous cooling of the cooling tube 10 of cooperation roll body 1 and spacing 4 inside, thereby make roll shell 5 maintain lower temperature throughout, and then avoid roll shell 5 to generate heat the intensity step-down that causes, easy wearing and tearing scheduling problem, improve life. The clamping grooves 6 and the sealing covers 7 at the two ends of the roller sleeve 5 are arranged, so that the roller sleeve 5 can be fixed at the two ends of the roller body, the size of the roller is reduced, and the structural strength of the roller sleeve 5 can be further enhanced; the device has simple structure and convenient operation, reduces the operation steps of disassembling and replacing the roller sleeve 5, thereby improving the working efficiency.

In one embodiment, for the roller shell 5, the roller shell 5 includes a structural layer 501, a heat absorbing layer 502 and a wear-resistant layer 503, which are sequentially disposed from inside to outside, and the clamping grooves 6 are formed at two ends of the structural layer 501, so that the roller shell 5 has the functional characteristics of high strength, easy heat conduction and wear resistance, and the wear resistance of the roller shell 5 is improved.

In an embodiment, for the structural layer 501, an installation channel 11 matched with the roller body 1 is formed inside the structural layer 501, and six limiting grooves 12 matched with the limiting strips 4 are formed in the inner side wall of the installation channel 11, so that the roller sleeve 5 and the roller body 1 are clamped and limited, and the roller body 1 is stably connected with the roller sleeve 5 when rotating.

In one embodiment, for the above-mentioned clamping groove 6, the clamping groove 6 and the sealing cover 7 are both regular hexagon structures, so that the sealing cover 7 can limit the roller sleeve 5 to a certain extent, and the strength and stability of the roller sleeve 5 are improved.

In an embodiment, for the above-mentioned closing cap 7, three mounting holes 13 are opened on one side of the closing cap 7, the mounting holes 13 are arranged at equal intervals and are in a regular triangle structure, three mounting grooves 14 matched with the mounting holes 13 are opened at both ends of the roller body 1, and the mounting grooves 14 and the mounting holes 13 are kept connected through fixing bolts 15, so that the closing caps 7 on both sides can fix the roller sleeve 5, and the roller sleeve 5 is prevented from transverse offset in the rotating process.

In one embodiment, for the cooling pipe 10, the cooling pipe 10 is in a continuous S-shaped structure inside the limiting strip 4, so that the contact time and the contact area between the cooling pipe 10 and the roller sleeve 5 are increased, and the internal heat dissipation capacity of the roller sleeve 5 is improved.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the roller sleeve 5 is sleeved outside the roller body 1, and the roller sleeve 5 is completely slid into the roller body 1 through clamping and matching of the six limiting grooves 12 and the limiting strips 4; then, the sealing covers 7 on the two sides are respectively sleeved on the roller shaft 2 and are mutually clamped with the clamping grooves 6 through the hexagonal structures, the three mounting holes 13 correspond to the mounting grooves 14, and the sealing covers 7 are fixed at the two ends of the roller body 1 through the fixing bolts 15 until the mounting of the roller sleeve 5 is completed. Finally, the roller is installed on the rolling mill through the installation blocks 3 on the two sides, and the work is started. In the operation use process, the metal carries out continuous extrusion and plasticity through wearing layer 503 on roller shell 5 surface, and at this moment, inlet tube 8, outlet pipe 9 all connect condenser tube and realize the circulation of cooling water, and inside cooling water process cooling tube 10 lasts inflow roll body 1 to through the contact of spacing 4 and structural layer 501, continuously absorb the heat that heat-absorbing layer 502 conducts, reduce the temperature of wearing layer 503 on the surface, thereby reduce wearing and tearing of wearing layer 503.

To sum up, with the help of the above technical scheme of the utility model, through roller shell 5 that sets up multilayer structure and the roll body 1 that has the heat dissipation function for under the circumstances of guaranteeing inner structure intensity, roller shell 5 has stand wear and tear surface and good heat-absorbing capacity, and the continuous cooling of the cooling tube 10 of cooperation roll body 1 and spacing 4 inside, thereby make roller shell 5 maintain lower temperature throughout, and then avoid roller shell 5 to generate heat the intensity step-down that causes, easy wearing and tearing scheduling problem, improve life. The clamping grooves 6 and the sealing covers 7 at the two ends of the roller sleeve 5 are arranged, so that the roller sleeve 5 can be fixed at the two ends of the roller body, the size of the roller is reduced, and the structural strength of the roller sleeve 5 can be further enhanced; the device has simple structure and convenient operation, reduces the operation steps of disassembling and replacing the roller sleeve 5, thereby improving the working efficiency.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The roller with the wear-resistant roller surface is characterized by comprising a roller body (1), wherein roller shafts (2) are arranged at two ends of the roller body (1), an installation block (3) is arranged at one end, far away from the roller shaft (2), of the roller body (1), limiting strips (4) which are arranged in six equal intervals are arranged on the outer side of the circumference of the roller body (1), a roller sleeve (5) is sleeved on the outer side of the circumference of the roller body (1), clamping grooves (6) are formed in two ends of the roller sleeve (5), a sealing cover (7) matched with the clamping grooves (6) is sleeved on the outer side of the circumference of the roller shaft (2), a through water inlet pipe (8) is arranged inside the installation block (3), the roller shaft (2) and the roller body (1) at one end, a water outlet pipe (9) is arranged inside the installation block (3), the roller shaft (2) and the roller body (1) at the other end, six cooling pipes (10) which penetrate through the limiting strips (4) are arranged between the water inlet pipe (8) and the water outlet pipe (9).

2. The roller with the wear-resistant roller surface as claimed in claim 1, characterized in that the roller sleeve (5) comprises a structural layer (501), a heat absorbing layer (502) and a wear-resistant layer (503) which are arranged in sequence from inside to outside, and the clamping groove (6) is formed at two ends of the structural layer (501).

3. The roller with the wear-resistant surface as claimed in claim 2, wherein the structure layer (501) is internally provided with a mounting channel (11) matched with the roller body (1), and the inner side wall of the mounting channel (11) is provided with six limiting grooves (12) matched with the limiting strips (4).

4. The roll with wear resistant surface according to claim 2, characterized in that the snap-in groove (6) and the cover (7) are of regular hexagonal structure.

5. The roller with the wear-resistant surface as claimed in claim 4, characterized in that one side of the cover (7) is provided with three mounting holes (13) which are arranged equidistantly and are in a regular triangle structure, two ends of the roller body (1) are provided with three mounting grooves (14) which are matched with the mounting holes (13), and the mounting grooves (14) and the mounting holes (13) are kept connected through fixing bolts (15).

6. A roll with wear-resistant roll surface according to claim 1, characterized in that the cooling tubes (10) are of a chain S-shaped configuration inside the stop strip (4).