CN217451497U

CN217451497U - Axial adjusting device for short stress path rolling mill

Info

Publication number: CN217451497U
Application number: CN202123441963.XU
Authority: CN
Inventors: 魏立芬; 魏迪明
Original assignee: Zhongzhong Science and Technology Tianjin Co Ltd
Current assignee: Zhongzhong Science and Technology Tianjin Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-09-20
Anticipated expiration: 2031-12-31

Abstract

The utility model provides a short stress path rolling mill axial adjusting device, including axle sleeve, axle support lid, well cover, the axle sleeve sets firmly in the roll pivot outside, axle sleeve outside and bearing inner circle fixed connection, bearing inner circle and the inboard fixed connection of axle support lid, the axle support lid outside is equipped with the end cover, axle support lid and end cover threaded connection, gland and bearing frame fixed connection, the axle is covered and is equipped with the worm wheel tooth, set firmly well cover on the gland, be equipped with the worm on the well cover, the worm rotates with well cover and is connected, worm and the meshing of the worm wheel tooth. The utility model discloses beneficial effect: the axial movement of the roller can be completed only by applying a small rotating force, the mounting structure is simple, the manufacturing cost is reduced, the working efficiency is improved, and the later maintenance is convenient.

Description

Axial adjusting device for short stress path rolling mill

Technical Field

The utility model belongs to the technical field of the rolling mill is made, especially, relate to a short stress path rolling mill axial adjusting device.

Background

The short stress path rolling mill is used as a leading machine type of a small rolling mill, is widely applied to bar, wire and section steel production lines, plays a role in improving product performance and precision, and needs to axially adjust a roller in the use process of the short stress path rolling mill so as to achieve the aim of aligning hole patterns. The axial adjusting device used in the traditional rolling mill usually uses a hydraulic structure, and has the problems of high manufacturing cost, relatively complex installation and maintenance and substandard adjusting quantity precision.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides an axial adjustment device for a short stress path rolling mill, which has high manufacturing cost and complex installation and maintenance.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the axial adjusting device of the short-stress-path rolling mill comprises a shaft sleeve, a shaft support cover and a middle sleeve, wherein the shaft sleeve is fixedly arranged on the outer side of a roller rotating shaft, the outer side of the shaft sleeve is fixedly connected with an inner bearing ring, an outer bearing ring is fixedly connected with the inner side of the shaft support cover, an end cover is arranged on the outer side of the shaft support cover, the shaft support cover is in threaded connection with the end cover, the end cover is fixedly connected with a bearing seat, worm gear teeth are arranged on the shaft support cover, the middle sleeve is fixedly arranged on the end cover, a worm is arranged on the middle sleeve, the worm is rotatably connected with the middle sleeve, and the worm is meshed with the worm gear teeth.

Furthermore, a gland is fixedly arranged on the roller rotating shaft, an installation through hole is formed in the gland, a threaded hole corresponding to the installation through hole is formed in the roller rotating shaft, an installation bolt is arranged on the inner side of the installation through hole and is in threaded connection with the roller rotating shaft, and the gland is fixedly connected with the shaft sleeve through the bolt.

Furthermore, an inner ring limiting groove corresponding to the bearing inner ring is formed in one end, close to the bearing, of the gland, an inner ring limiting boss corresponding to the bearing inner ring is arranged on the shaft sleeve, and the inner ring limiting groove and the inner ring limiting boss limit two end faces of the bearing inner ring respectively.

Furthermore, the shaft support cover is provided with an outer ring limiting groove corresponding to the bearing outer ring, the shaft support cover is fixedly provided with a limiting ring, and the limiting ring and the outer ring limiting groove limit two end faces of the bearing outer ring respectively.

Furthermore, a threaded sleeve is fixedly arranged on the middle sleeve, an external thread is arranged on the outer side of the limiting ring, an internal thread matched with the external thread of the limiting ring is arranged on the inner side of the threaded sleeve, and the limiting ring is in threaded connection with the threaded sleeve.

Furthermore, a limiting rod is fixedly arranged on the threaded sleeve and axially limits the limiting ring.

Furthermore, a sealing groove is formed in the inner side of the threaded sleeve, and an O-shaped sealing ring is arranged in the sealing groove;

the roller rotating shaft is fixedly provided with a gland, and a lip-shaped sealing ring is arranged between the limiting ring and the gland.

Furthermore, one end of the worm is fixedly provided with a first rotating shaft, the other end of the worm is fixedly provided with a second rotating shaft, the middle sleeve is provided with a first rotating hole corresponding to the rotating shaft, the middle sleeve is provided with a second rotating hole corresponding to the second rotating shaft, the middle sleeve is provided with a corresponding mounting hole corresponding to the worm, the worm is mounted on the inner side of the mounting hole, the first rotating shaft is mounted on the inner side of the first rotating hole, the second rotating shaft is mounted on the inner side of the second rotating hole, and the worm is rotatably connected with the middle sleeve through the first rotating shaft and the second rotating shaft.

Furthermore, a square column is arranged on the second rotating shaft.

Furthermore, be equipped with the radial spacing subassembly to the square column on the cover in the middle, spacing subassembly includes spacing bolt, mounting panel and middle cover fixed connection, it has spacing screw hole to open on the mounting panel, the threaded connection of spacing bolt and mounting panel, it has the radial spacing hole that corresponds with spacing bolt to open on the square column, the diameter in radial spacing hole and the screw rod diameter phase-match of spacing bolt.

Compared with the prior art, short stress path rolling mill axial adjustment device have following beneficial effect:

(1) a short stress path rolling mill axial adjusting device, rotate worm drive axle support lid and rotate, axle support lid and end cover threaded connection, axial displacement will be done to the axle support lid this moment, the axle support lid drives the roll pivot and is axial displacement, and then plays the effect of adjusting roll commentaries on classics axial position, the cooperation of worm wheel tooth cooperation worm is used, only need apply very little turning force when adjustment roll commentaries on classics axial, can accomplish the axial displacement to the roll.

(2) A short stress path rolling mill axial adjusting device, spacing subassembly is radial spacing to the worm, in the rolling mill working process, prevents that the worm from taking place to rotate, has guaranteed rolling effect.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic cross-sectional structure diagram of an apparatus according to an embodiment of the present invention;

fig. 2 is a schematic view of a partial cross-sectional structure of fig. 1 according to an embodiment of the present invention;

fig. 3 is a schematic view of a partial cross-sectional structure of the bearing of fig. 1 according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of the embodiment of the present invention shown in FIG. 1B-B;

fig. 5 is a schematic cross-sectional structure diagram of the limiting assembly of fig. 4 according to an embodiment of the present invention.

Description of reference numerals:

1-a roll body; 2-bearing seat; 3-shaft sleeve; 4-a bearing; 5-shaft support cover; 6-end cover; 7-intermediate sleeve; 8-thread bush; 9-a limiting ring; 10-pressing cover; 11-a limiting rod; 12-O-ring seals; 13-lip seal ring; 14-a worm; 15-a limit bolt; 16-a mounting plate; 17-mounting bolts; 101-roll spindle; 301-inner ring limit boss; 501-worm gear teeth; 502-outer ring limit groove; 701-rotating the first hole; 702-rotating hole two; 1001-inner ring limit groove; 1401-rotating shaft one; 1402-rotating shaft two; 1403-square column; 1404-limiting hole.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 3, an axial adjusting device of a short-stress-path rolling mill comprises a shaft sleeve 3, a shaft support cover 5 and a middle sleeve 7, wherein the shaft sleeve 3 is fixedly arranged on the outer side of a roller rotating shaft 101, the outer side of the shaft sleeve 3 is fixedly connected with the inner ring of a bearing 4, the outer ring of the bearing 4 is fixedly connected with the inner side of the shaft support cover 5, an end cover 6 is arranged on the outer side of the shaft support cover 5, the shaft support cover 5 is in threaded connection with the end cover 6, the end cover 6 is fixedly connected with a bearing seat 2, worm gear teeth 501 are arranged on the shaft support cover 5, the middle sleeve 7 is fixedly arranged on the end cover 6, a worm 14 is arranged on the middle sleeve 7, the worm 14 is rotatably connected with the middle sleeve 7, and the worm 14 is meshed with the worm gear teeth 501. The roller rotating shaft 101 is fixedly provided with a gland 10, the gland 10 is provided with an installation through hole, the roller rotating shaft 101 is provided with a threaded hole corresponding to the installation through hole, the inner side of the installation through hole is provided with an installation bolt 17, the installation bolt 17 is in threaded connection with the roller rotating shaft 101, and the gland 10 is fixedly connected with the shaft sleeve 3 through a bolt. The worm 14 is rotated to drive the shaft support cover 5 to rotate, the shaft support cover 5 is in threaded connection with the end cover 6, at the moment, the shaft support cover 5 moves axially, the shaft support cover 5 drives the roller rotating shaft 10 to move axially, the effect of adjusting the direction of the roller rotating shaft 101 is further achieved, the worm gear teeth 501 are matched with the worm 14 for use, and only a small rotating force needs to be applied when the roller rotating shaft 101 is adjusted, so that the axial movement of the roller rotating shaft 10 can be achieved. And the device has simple structure, reduces the manufacturing cost, improves the working efficiency and is convenient for later maintenance.

As shown in fig. 3, an inner ring limiting groove 1001 corresponding to the inner ring of the bearing 4 is formed at one end of the gland 10 close to the bearing 4, an inner ring limiting boss 301 corresponding to the inner ring of the bearing 4 is formed on the shaft sleeve 3, and the inner ring limiting groove 1001 and the inner ring limiting boss 301 respectively limit two end faces of the inner ring of the bearing 4. The shaft support cover 5 is provided with an outer ring limiting groove 502 corresponding to the outer ring of the bearing 4, the shaft support cover 5 is fixedly provided with a limiting ring 9, and the limiting ring 9 and the outer ring limiting groove 502 respectively limit two end faces of the outer ring of the bearing 4. Through spacing bearing 4 inner circle, strengthened the connected effect of axle sleeve 3 with the inner circle, when making 1 axial displacement of roll main part, bearing 4 inner circle can not produce the slip with between the axle sleeve 3, through spacing bearing 4 outer lane, strengthened the connected effect of axle support lid 5 with bearing 4 outer lane, when making 1 axial displacement of roll main part, bearing 4 outer lane can not produce the slip with between the axle support lid 5.

Set firmly threaded sleeve 8 on the intermediate sleeve 7, set up the external screw thread in the spacing ring 9 outside, threaded sleeve 8 inboard is opened has the internal thread with the external screw thread assorted of spacing ring 9, and

spacing ring

9 and 8 threaded connection of threaded sleeve have increased a threaded connection, have improved the stability of device. The threaded sleeve 8 is fixedly provided with a limiting rod 11, and the limiting rod 11 is used for axially limiting the limiting ring 9 to prevent the roller from exceeding the specified moving range in the axial movement. A sealing groove is formed in the inner side of the threaded sleeve 8, and an O-shaped sealing ring 12 is arranged in the sealing groove; the roller rotating shaft 101 is fixedly provided with the gland 10, the lip-shaped sealing ring 13 is arranged between the limiting ring 9 and the gland 10, the O-shaped sealing ring 12 and the lip-shaped sealing ring 13 improve the sealing effect, prevent dust and oil stains from entering the device, and prolong the service life of the device.

As shown in fig. 4 and 5, one end of the worm 14 is fixedly provided with a first rotating shaft 1401, the other end of the worm 14 is fixedly provided with a second rotating shaft 1402, the intermediate sleeve 7 is provided with a first rotating hole 701 corresponding to the first rotating shaft 1401, the intermediate sleeve 7 is provided with a second rotating hole 702 corresponding to the second rotating shaft 1402, the intermediate sleeve 7 is provided with a corresponding mounting hole corresponding to the worm 14, the worm 14 is mounted inside the mounting hole, the first rotating shaft 1401 is mounted inside the first rotating hole 701, the second rotating shaft 1402 is mounted inside the second rotating hole 702, and the worm 14 is rotatably connected with the intermediate sleeve 7 through the first rotating shaft 1401 and the second rotating shaft 1402. A square column 1403 is arranged on the second rotating shaft 1402, and the square column 1403 is convenient for a wrench to rotate the worm 14. Be equipped with the radial spacing subassembly to tetragonal prism 1403 on the cover 7 in the middle of, spacing subassembly includes spacing bolt 15, mounting panel 16 and cover 7 fixed connection in the middle, it has spacing screw hole to open on the mounting panel 16, spacing threaded hole is equipped with spacing bolt 15, spacing bolt 15 and mounting panel 16 threaded connection, it has radial spacing hole 1404 corresponding with spacing bolt 15 to open on the tetragonal prism 1403, the diameter of radial spacing hole 1404 and the screw rod diameter phase-match of spacing bolt 15, worm 14 rotates the back that finishes, screw up spacing bolt 15, the screw rod of spacing bolt 15 inserts in spacing hole 1404, it is radial spacing to tetragonal prism 1403, in the rolling mill working process, prevent that worm 14 from taking place to rotate, the rolling effect has been guaranteed.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

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 utility model provides a short stress path rolling mill axial adjusting device which characterized in that: the roller bearing comprises a shaft sleeve (3), a shaft support cover (5) and a middle sleeve (7), wherein the shaft sleeve (3) is fixedly arranged on the outer side of a roller rotating shaft (101), the outer side of the shaft sleeve (3) is fixedly connected with an inner ring of a bearing (4), an outer ring of the bearing (4) is fixedly connected with the inner side of the shaft support cover (5), an end cover (6) is arranged on the outer side of the shaft support cover (5), the shaft support cover (5) is in threaded connection with the end cover (6), the end cover (6) is fixedly connected with a bearing seat (2), worm gear teeth (501) are arranged on the shaft support cover (5), the middle sleeve (7) is fixedly arranged on the end cover (6), a worm (14) is arranged on the middle sleeve (7), the worm (14) is rotatably connected with the middle sleeve (7), and the worm (14) is meshed with the worm gear teeth (501).

2. The short stress path rolling mill axial adjustment device of claim 1, wherein: the roller bearing is characterized in that a gland (10) is fixedly arranged on the roller rotating shaft (101), an installation through hole is formed in the gland (10), a threaded hole corresponding to the installation through hole is formed in the roller rotating shaft (101), an installation bolt (17) is arranged on the inner side of the installation through hole, the installation bolt (17) is in threaded connection with the roller rotating shaft (101), and the gland (10) is fixedly connected with the shaft sleeve (3) through a bolt.

3. The short stress path rolling mill axial adjustment device of claim 2, characterized in that: an inner ring limiting groove (1001) corresponding to an inner ring of the bearing (4) is formed in one end, close to the bearing (4), of the gland (10), an inner ring limiting boss (301) corresponding to the inner ring of the bearing (4) is arranged on the shaft sleeve (3), and the inner ring limiting groove (1001) and the inner ring limiting boss (301) are respectively limited to two end faces of the inner ring of the bearing (4).

4. The short stress path rolling mill axial adjustment device of claim 1, wherein: the bearing support cover is characterized in that an outer ring limiting groove (502) corresponding to the outer ring of the bearing (4) is formed in the shaft support cover (5), a limiting ring (9) is fixedly arranged on the shaft support cover (5), and the limiting ring (9) and the outer ring limiting groove (502) limit two end faces of the outer ring of the bearing (4) respectively.

5. The short stress path rolling mill axial adjustment device of claim 4, wherein: the middle sleeve (7) is fixedly provided with a threaded sleeve (8), the outer side of the limiting ring (9) is provided with an external thread, the inner side of the threaded sleeve (8) is provided with an internal thread matched with the external thread of the limiting ring (9), and the limiting ring (9) is in threaded connection with the threaded sleeve (8).

6. The short stress path rolling mill axial adjustment device of claim 5, wherein: the thread bush (8) is fixedly provided with a limiting rod (11), and the limiting rod (11) is used for limiting the axial direction of the limiting ring (9).

7. The short stress path rolling mill axial adjustment device of claim 6, wherein: a sealing groove is formed in the inner side of the threaded sleeve (8), and an O-shaped sealing ring (12) is arranged in the sealing groove;

the roller rotating shaft (101) is fixedly provided with a gland (10), and a lip-shaped sealing ring (13) is arranged between the limiting ring (9) and the gland (10).

8. The short stress path rolling mill axial adjustment device of claim 1, wherein: one end of the worm (14) is fixedly provided with a first rotating shaft (1401), the other end of the worm (14) is fixedly provided with a second rotating shaft (1402), the middle sleeve (7) is provided with a first rotating hole (701) corresponding to the first rotating shaft (1401), the middle sleeve (7) is provided with a second rotating hole (702) corresponding to the second rotating shaft (1402), the middle sleeve (7) is provided with a corresponding mounting hole corresponding to the worm (14), the worm (14) is mounted on the inner side of the mounting hole (1401), the first rotating shaft (701) is mounted on the inner side of the first rotating hole (701), the second rotating shaft (1402) is mounted on the inner side of the second rotating hole (702), and the worm (14) is rotatably connected with the middle sleeve (7) through the first rotating shaft (1401) and the second rotating shaft (1402).

9. The short stress path rolling mill axial adjustment device of claim 8, wherein: and a square column (1403) is arranged on the second rotating shaft (1402).

10. The short stress path rolling mill axial adjustment device of claim 9, wherein: be equipped with the radial spacing subassembly of square column (1403) on middle cover (7), spacing subassembly includes stop bolt (15), mounting panel (16) and middle cover (7) fixed connection, it has spacing screw hole to open on mounting panel (16), spacing threaded hole is equipped with stop bolt (15), stop bolt (15) and mounting panel (16) threaded connection, it has radial spacing hole (1404) that correspond with stop bolt (15) to open on square column (1403), the diameter of radial spacing hole (1404) and the screw rod diameter phase-match of stop bolt (15).