CN212822731U

CN212822731U - Lathe for roller

Info

Publication number: CN212822731U
Application number: CN202021743998.1U
Authority: CN
Inventors: 陈尚国
Original assignee: Shanghai Shuerte Equipment Maintenance Co Ltd
Current assignee: Shanghai Shuerte Equipment Maintenance Co Ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-03-30
Anticipated expiration: 2030-08-19

Abstract

The application relates to a lathe for a roller, which comprises a lathe body, wherein a supporting device is arranged on the upper surface of the lathe body and comprises a supporting block and a hydraulic cylinder; the hydraulic cylinder is arranged on the lathe body, and the supporting block is connected with the hydraulic cylinder; the upper surface of the supporting block is provided with an inward concave supporting groove, and the wall of the supporting groove is provided with a supporting roller; the supporting groove can assist the roller to be placed and positioned and installed, and the risk of separation and falling in the installation process of the roller is reduced.

Description

Lathe for roller

Technical Field

The application relates to the technical field of rollers, in particular to a lathe for a roller.

Background

The roller is a main working component and a tool for generating continuous plastic deformation on metal on the rolling mill; a roll turning lathe is a lathe that is specially used to machine rolls.

The related art discloses a roll lathe, which comprises a lathe body, a headstock and a tool rest, wherein the headstock and the tool rest are both arranged on the lathe body, and one side of the headstock is provided with a chuck; the lathe body is provided with a plurality of groups of riding wheels along the longitudinal direction, and the plurality of groups of riding wheels are symmetrically arranged on two sides of the vertical surface of the central line of the chuck.

In view of the above-mentioned related art, the inventors consider that the following drawbacks exist:

when the roller is machined, the roller is usually conveyed to a lathe by using hoisting equipment for machining, and in the process that the roller is dismounted by the hoisting equipment and is aligned to be mounted on the roller mounting mechanism, the risk that the roller is separated from the hoisting equipment or the roller mounting mechanism and falls off exists.

SUMMERY OF THE UTILITY MODEL

In order to reduce the risk that the roll dropped, this application provides a lathe for roll.

The application provides a lathe for roll adopts following technical scheme:

a lathe for a roller comprises a lathe body, wherein a supporting device is arranged on the upper surface of the lathe body and comprises a supporting block and a hydraulic cylinder; the hydraulic cylinder is arranged on the lathe body, and the supporting block is connected to the upper surface of the hydraulic cylinder; the upper surface of the supporting block is provided with a supporting groove which is inwards concave.

By adopting the technical scheme, when the roller is conveyed to the upper end of the lathe by using the hoisting equipment, the roller can be placed on the supporting device firstly, and then the roller is positioned and installed; the supporting groove can assist the placement and the positioning installation of the roller, reduce the risk that the roller falls off due to rolling, and further reduce potential safety hazards.

Preferably, the supporting device comprises two hydraulic cylinders, and the two hydraulic cylinders are symmetrically arranged on the lathe body; the supporting block comprises a first supporting part and a second supporting part which are separated, and the first supporting part and the second supporting part are respectively connected with one hydraulic cylinder; the upper part of one side of the first supporting part, which is close to the second supporting part, is provided with a first gap part, and the upper part of one side of the second supporting part, which is close to the first supporting part, is provided with a second gap part; when the first supporting part and the second supporting part are driven by the hydraulic cylinder to be positioned at the same height, the first notch part and the second notch part are combined to form the supporting groove.

By adopting the technical scheme, the supporting block is set to be the first supporting part and the second supporting part which are separated, the first notch part and the second notch part are combined to form the supporting groove, the distance between the first notch part and the second notch part can be changed by adjusting the telescopic axial length of the two hydraulic cylinders, the width of the supporting groove is further changed, the supporting device can bear the rollers with different outer diameter sizes, and the usability of the supporting device is improved.

Preferably, a wedge is mounted between the hydraulic cylinder and the lathe body, and a side surface of the wedge in contact with the hydraulic cylinder is an inclined surface inclined toward the support block.

By adopting the technical scheme, when the roller is placed on the supporting device, the supporting device can be applied with downward oblique acting force which is vertical to the contact surface of the roller and the supporting device; the hydraulic cylinder is obliquely arranged on the upper surface of the lathe body, so that the supporting force of the hydraulic cylinder acting on the supporting block is obliquely upward and can be partially offset with the acting force of the roller acting on the supporting block, the bearing capacity and the stability of the supporting block on the roller can be improved, and the service life of the supporting device can be prolonged; the setting of voussoir has the voussoir of different angles through changing, can make things convenient for, swiftly adjust the installation angle that the pneumatic cylinder installed in lathe body, and then the width of quick adjustment supporting groove, easy operation, convenient.

Preferably, the cross section of the supporting groove perpendicular to the axial direction of the supporting groove is arc-shaped.

By adopting the technical scheme, the cross section of the supporting groove, which is vertical to the axial direction of the supporting groove, is arc-shaped, when the roller is placed in the supporting groove, the contact mode of the roller and the supporting groove is surface contact, the contact area between the surface of the roller and the wall of the supporting groove is larger, the bearing capacity of the supporting groove on the roller is stronger, and the roller bearing device is suitable for supporting and calibrating and positioning of heavy large rollers.

Preferably, the cross section of the supporting groove perpendicular to the axial direction of the supporting groove is in a V shape.

By adopting the technical scheme, the section of the supporting groove, which is vertical to the axial direction of the supporting groove, is in a V shape, when the roller is placed in the supporting groove, the contact mode of the roller and the supporting groove is line contact, the contact area between the surface of the roller and the wall of the supporting groove is smaller, the area of the supporting groove generating friction force with the roller is smaller, the scratch, the abrasion and the like generated by the friction force on the surface of the roller can be reduced, and the subsequent application of the roller on a rolling mill can be favorably kept with good processing precision.

Preferably, the supporting block is provided with a mounting groove, and the mounting groove is communicated with the supporting groove; the mounting groove is internally provided with a supporting roller, and the maximum distance from the groove wall of the supporting groove to the bottom of the mounting groove is smaller than the outer diameter of the supporting roller.

By adopting the technical scheme, the roller can be abutted against the supporting roller when being placed in the supporting groove, and the contact mode of the roller and the supporting roller is also line contact, so that the scratches, abrasion and the like caused by friction force on the surface of the roller can be reduced; when the supporting device is used for a long time and the surface is seriously abraded and needs to be maintained and replaced, only the supporting roller can be replaced without replacing the supporting block, thereby playing the role of saving the maintenance cost.

Preferably, a cushion pad layer is arranged between the supporting roller and the mounting groove.

By adopting the technical scheme, the instantaneous impact force of the roller on the supporting roller is larger due to the action of gravity at the moment when the roller is placed in the supporting groove; through being equipped with the cushion between backing roll and mounting groove, when the roll was placed in the supporting groove, the cushion can play the effect of buffering, weakens the impact force in the twinkling of an eye that the backing roll received, is favorable to improving the life of backing roll, and then improves the life of supporting mechanism.

Preferably, the outer surface of the supporting roller is provided with a radial outward bulge.

By adopting the technical scheme, the outer surface of the supporting roll is provided with the radial outward bulge, and when the roll is placed in the supporting groove, the contact mode of the roll and the supporting groove is also line contact; compared with the condition that the roller is directly abutted against the surface of the supporting roller, the contact area between the roller and the bulge is smaller when the roller is abutted against the bulge, and the scratch, the abrasion and the like generated by friction on the surface of the roller can be better reduced; when part of the bulges are too rough due to long-term use and the surface of the bulge is easy to scratch, the damaged bulges can be ground flat, so that the damaged bulges do not participate in supporting the roller, the undamaged bulges can be continuously used, and the service life of the supporting roller can be prolonged.

Preferably, the upper portion of the protrusion is spherical.

By adopting the technical scheme, the upper part of the bulge is spherical, when the roller is placed in the supporting groove, the contact mode of the roller and the supporting roller is point contact, and the scratch, the abrasion and the like caused by friction on the surface of the roller can be further reduced.

In summary, the present application includes at least one of the following benefits:

1. the supporting device is additionally arranged on the lathe body, so that the roller can be placed in the supporting groove of the supporting device firstly, and the height of the supporting device is adjusted by the extension and contraction of the hydraulic cylinder, so that the roller is convenient to mount and position;

2. the hydraulic cylinder is obliquely arranged, so that the bearing capacity and the stability of the supporting block to the roller can be improved, and the service life of the supporting device is further prolonged;

3. the supporting roller is arranged in the supporting groove, so that the contact mode of the roller and the supporting groove can be changed, the supporting device can bear the load, and the scratch, the abrasion and the like caused by the friction of the surface of the roller can be reduced.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a schematic structural view of a supporting apparatus in embodiment 1 of the present application;

FIG. 3 is an operational view of a supporting apparatus in embodiment 1 of the present application;

FIG. 4 is a schematic structural view of a supporting apparatus in embodiment 2 of the present application;

FIG. 5 is an operational view of a supporting apparatus in embodiment 2 of the present application;

FIG. 6 is a schematic structural view of a supporting apparatus in embodiment 3 of the present application;

FIG. 7 is an operational view of a supporting apparatus in embodiment 3 of the present application;

FIG. 8 is a schematic view showing the structure of a backup roller in embodiment 4 of the present application;

FIG. 9 is a schematic structural view of a supporting apparatus in embodiment 4 of the present application;

fig. 10 is an enlarged view of a portion a in fig. 9, and mainly shows a contact manner between the roll and the backup roll.

Description of reference numerals: 1. a lathe body; 2. a support device; 3. a support block; 31. a support groove; 32. a first support section; 321. a first lacking portion; 33. a second support portion; 331. a second lacking portion; 34. mounting grooves; 4. a hydraulic cylinder; 5. a wedge block; 6. a support roller; 61. a protrusion; 7. a cushion layer; 8. a turning mechanism; 9. a roller mounting mechanism; 10. and (4) rolling.

Detailed Description

The present application is described in further detail below with reference to figures 1-10.

Referring to fig. 1, the embodiment of the application discloses a lathe for a roll, which comprises a lathe body 1, wherein a supporting device 2 is mounted on the upper surface of the lathe body 1, and the supporting device 2 comprises a supporting block 3 and a hydraulic cylinder 4; the hydraulic cylinder 4 is arranged on the lathe body 1, and the supporting block 3 is connected to the hydraulic cylinder 4; the upper surface of the supporting block 3 is provided with a supporting groove 31 which is concave inwards.

Example 1

Referring to fig. 1, a lathe for a roll, a lathe body 1 is provided with a turning mechanism 8 and a roll mounting mechanism 9, and the turning mechanism 8 and the roll mounting mechanism 9 are important components of the roll lathe; the roll mounting mechanism 9 can mount and position the roll 10, and the turning mechanism 8 is used for machining the roll.

Two groups of supporting devices 2 are arranged on the lathe body 1, and the longitudinal sections of the two groups of supporting devices 2 on the central point of the central axis of the roller 10 are in mirror symmetry; the two sets of supporting devices 2 can balance the stress of the roller 10 and improve the stability of the roller 10 when being placed on the supporting devices 2.

Referring to fig. 2, each supporting device 2 comprises two hydraulic cylinders 4, the two hydraulic cylinders 4 are mounted on the lathe body 1 through wedges 5, and one side surface of each wedge 5, which is in contact with the corresponding hydraulic cylinder 4, is an inclined surface inclined towards the supporting block; the wedge block 5 is arranged, so that the supporting force of the hydraulic cylinder 4 acting on the supporting block 3 is inclined upwards and can be partially offset with the acting force of the roller 10 acting on the supporting block 3, and the bearing capacity and the stability of the supporting block 3 to the roller 10 are improved; through changing the voussoir 5 that has different angles, can make things convenient for, swiftly adjust the installation angle that pneumatic cylinder 4 installed in lathe body 1, and then the width of quick adjustment supporting groove 31, easy operation, convenient.

The support block 3 comprises a first support part 32 and a second support part 33 which are separated, and the first support part 32 and the second support part 33 are respectively connected with a hydraulic cylinder 4; a first notch 321 is arranged at the upper part of the first supporting part 32 close to the second supporting part 33, and a second notch 331 is arranged at the upper part of the second supporting part 33 close to the first supporting part 32; when the first support part 32 and the second support part 33 are driven by the hydraulic cylinder 4 to be located at the same height, the first notch 321 and the second notch 331 are combined to form the support groove 31.

Referring to fig. 3, a cross section of the support groove 31 perpendicular to the axial direction of the support groove 31 is arc-shaped.

The implementation principle of the embodiment 1 is as follows:

referring to fig. 1, when a roller is machined, the roller is generally conveyed to a lathe by a hoisting device for machining; when the roller is conveyed to the upper part of the lathe, the roller can be placed on the supporting device 2 firstly, and then the roller is positioned and installed; the supporting groove 31 of the supporting device 2 can assist the placement and positioning installation of the roller 10, reduce the risk that the roller falls due to rolling, and further reduce the potential safety hazard.

Referring to fig. 3, when the roll 10 is placed in the supporting groove 31, the contact mode of the roll 10 and the supporting groove 31 is surface contact, the contact area between the surface of the roll 10 and the groove wall of the supporting groove 31 is large, the supporting groove 31 has strong bearing capacity for the roll 10, and the method is suitable for supporting and calibrating and positioning of a heavy large-sized roll; however, since the contact area between the surface of the roll 10 and the groove wall of the support groove 31 is large, the support groove 31 is likely to rub against the surface of the roll 10, thereby causing scratches, abrasion, and the like.

Example 2

Referring to fig. 4, the present embodiment discloses a roll turning lathe, which is different from embodiment 1 in that: the first notch 321 and the second notch 331 form the supporting groove 31 in combination, and the cross section of the combined supporting groove 31 perpendicular to the axial direction of the supporting groove 31 is in a V shape.

Implementation principle of example 2:

referring to fig. 5, when the roll 10 is placed in the support groove 31, the contact manner between the roll 10 and the support groove 31 is a line contact, the contact area between the surface of the roll 10 and the groove wall of the support groove 31 is small, the region where the friction force is generated between the support groove 31 and the roll 10 is small, and therefore, scratches, abrasion and the like on the surface of the roll 10 due to the friction force can be reduced, which is advantageous in maintaining good processing accuracy when the roll 10 is subsequently applied to a rolling mill.

Example 3

Referring to fig. 6, the present embodiment discloses a roll turning lathe, which is different from embodiment 2 in that: the supporting block 3 is provided with a mounting groove 34, and the mounting groove 34 is communicated with the supporting groove 31; the supporting roller 6 is arranged in the mounting groove 34, and the maximum distance from the groove wall of the supporting groove 31 to the bottom of the mounting groove 34 is smaller than the outer diameter of the supporting roller 6; a cushion 7 is provided between the support groove 31 and the mounting groove 34.

Implementation principle of example 3:

referring to fig. 6, at the moment when the roll 10 is placed in the supporting groove 31, the moment impact force of the roll 10 on the supporting roll 6 is large due to the gravity; through being equipped with cushion 7 between backing roll 6 and mounting groove 34, when roll 10 placed in supporting groove 31, cushion 7 can play the effect of buffering, weakens the impact force in the twinkling of an eye that backing roll 6 received, is favorable to improving backing roll 6's life, and then improves supporting mechanism's life.

Referring to fig. 7, when the roll is placed in the support groove 31, the roll abuts against the backup roll 6, and the contact manner between the roll 10 and the backup roll 6 is also line contact, so that scratches, abrasion, and the like caused by friction on the surface of the roll 10 can be reduced; when the supporting roller 6 is used for a long time and causes serious surface abrasion, only the supporting roller 6 needs to be replaced, the whole supporting block 3 does not need to be replaced, and the effect of saving the maintenance cost can be achieved.

Example 4

Referring to fig. 8, the present embodiment discloses a roll turning lathe, which is different from embodiment 3 in that: the outer surface of the supporting roller 6 is provided with a radial outward bulge 61, and the upper part of the bulge 61 is spherical.

Implementation principle of example 4:

referring to fig. 9 and 10, when the roll 10 is placed in the support groove 31, the contact manner between the roll 10 and the backup roll 6 is point contact, the force-bearing area is smaller, and scratches, abrasion and the like caused by friction on the surface of the roll 10 can be further reduced; when the surface of the projection 61 is too rough and easily scratches the surface of the roll 10 due to long-term use of the partial projection 61, the damaged projection 61 may not participate in supporting the roll 10 by grinding the damaged projection 61, and the undamaged projection 61 may be used continuously, which may improve the service life of the backup roll 6.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A roll lathe includes a lathe body (1), and is characterized in that: the upper surface of the lathe body (1) is provided with a supporting device (2), and the supporting device (2) comprises a supporting block (3) and a hydraulic cylinder (4); the hydraulic cylinder (4) is arranged on the lathe body (1), and the supporting block (3) is connected to the upper surface of the hydraulic cylinder (4); the upper surface of the supporting block (3) is provided with a supporting groove (31) which is inwards concave.

2. The roll turning lathe according to claim 1, wherein: the supporting device (2) comprises two hydraulic cylinders (4), and the two hydraulic cylinders (4) are symmetrically arranged on the lathe body (1); the support block (3) comprises a first support part (32) and a second support part (33) which are separated, and the first support part (32) and the second support part (33) are respectively connected with one hydraulic cylinder (4); a first notch (321) is formed in the upper part of the first supporting part (32) close to the second supporting part (33), and a second notch (331) is formed in the upper part of the second supporting part (33) close to the first supporting part (32); when the first supporting part (32) and the second supporting part (33) are driven by the hydraulic cylinder (4) to be positioned at the same height, the first notch part (321) and the second notch part (331) are combined to form the supporting groove (31).

3. The roll turning lathe according to claim 2, wherein: a wedge block (5) is installed between the hydraulic cylinder (4) and the lathe body (1), and one side face, in contact with the hydraulic cylinder (4), of the wedge block (5) is an inclined face inclining towards the supporting block (3).

4. The roll turning machine according to claim 1, wherein: the cross section of the supporting groove (31) perpendicular to the axial direction of the supporting groove (31) is arc-shaped.

5. The roll turning machine according to claim 1, wherein: the cross section of the supporting groove (31) perpendicular to the axial direction of the supporting groove (31) is V-shaped.

6. The roll turning machine according to claim 1, wherein: the supporting block (3) is provided with a mounting groove (34), and the mounting groove (34) is communicated with the supporting groove (31); install backing roll (6) in mounting groove (34), the maximum interval of supporting groove (31) cell wall to mounting groove (34) tank bottom is less than the external diameter of backing roll (6).

7. The roll turning machine according to claim 6, wherein: and a cushion pad layer (7) is arranged between the supporting roller (6) and the mounting groove (34).

8. The roll turning machine according to claim 6, wherein: the outer surface of the supporting roller (6) is provided with a radial outward bulge (61).

9. The roll turning machine according to claim 8, wherein: the upper part of the bulge (61) is spherical.