CN214348639U

CN214348639U - High-stability roller

Info

Publication number: CN214348639U
Application number: CN202022753034.1U
Authority: CN
Inventors: 郑尧君; 安庆友
Original assignee: Changzhou Huifeng Tianyuan Heat Treatment Co ltd
Current assignee: Changzhou Huifeng Tianyuan Heat Treatment Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-10-08
Anticipated expiration: 2030-11-24

Abstract

The application relates to a roller with high stability, which comprises a mandrel and an outer roller, wherein the mandrel is divided into a thick mandrel and a thin mandrel, the outer roller is sleeved on the thick mandrel, two ends of the thick mandrel are positioned between two ends of the outer roller, limiting blind holes are formed in the inner side walls of two ends of the outer roller, mounting through holes are formed in the positions, close to the side walls of the limiting blind holes, of the thin mandrel, limiting rods are arranged in the mounting through holes, and one ends of the limiting rods are embedded in the mounting through holes; a sliding groove is formed in one surface, away from the thick mandrel, of the thin mandrel and communicated with the mounting through hole, and an adjusting mechanism is arranged in the sliding groove; the adjusting mechanism is connected with the limiting rod and used for adjusting the length of the limiting rod extending out of the mounting through hole and enabling one end, far away from the adjusting mechanism, of the limiting rod to be embedded in the limiting blind hole. This application has the effect that makes outer roller and thick core shaft connection stable, the steel rolling of being convenient for.

Description

High-stability roller

Technical Field

The application relates to the technical field of steel production and processing, in particular to a roller with high stability.

Background

Rolls are the primary working components and tools on a rolling mill that produce continuous plastic deformation of metal. The roll comprises a roll body, which is the middle part of the roll actually taking part in rolling the metal, and a roll neck. It has a smooth cylindrical or grooved surface. The roll neck is mounted in bearings and transmits the rolling force to the stand through a bearing block and a screw down device.

For example, chinese patent with publication number CN205217607U discloses a high-stability roller, which comprises a mandrel, an outer roller, and a fixing plate, wherein the mandrel is thin at two ends and thick in the middle along the axial direction, the thick part in the middle of the mandrel is a thick mandrel, and the thin parts at two ends are thin mandrels; fixing rings are fixedly connected with both ends of the thick mandrel, the outer peripheral surfaces of the fixing rings are provided with bulges, the side surface of the fixing ring close to one side of the fine mandrel is provided with a positioning groove, the inner circumferential surface of the outer roller is provided with a sliding groove matched with the bulge, the bulges are arranged in the sliding grooves in a sliding way, two ends of the outer roller are respectively provided with a fixing hole matched with the fixing plate, the bottom of the fixing hole is provided with a first positioning column, the fixing plate is provided with a first through hole matched with the first positioning column, the first positioning column is inserted in the first through hole, a second positioning column matched with the positioning groove is arranged on the fixing plate, the second positioning column is inserted in the positioning groove, a second through hole matched with the thin mandrel is formed in the fixing plate, and the mandrel is inserted in the second through hole. When the roller is installed, firstly, the fixing ring of the mandrel is aligned to the positioning hole, then, the bulge on the thick mandrel is aligned to the sliding groove on the outer roller ring, then, the mandrel is slid into the outer roller ring, the second through hole of the fixing plate is aligned to the mandrel, the second positioning column of the fixing plate is aligned to the positioning groove, the first through hole of the fixing plate is aligned to the first positioning column, and the fixing plate is slid into the fixing hole, so that the installation is completed.

Aiming at the related technologies, the inventor thinks that the fixing plate is inserted in the first through hole only by the first positioning column, the second limiting column is inserted in the second through hole, and the outer roller and the thick shaft center are limited, so that the thick shaft center and the outer roller are not easy to be stably connected; when the roller works, the fixing plate is easily separated from the outer roller, so that the connection between the outer roller and the thick core shaft is unstable, and the roller is not easy to roll steel.

SUMMERY OF THE UTILITY MODEL

In order to improve the roll during operation, the fixed plate easily with outer roller separation to lead to outer roller and thick core shaft to be connected unstablely, the difficult problem of steel rolling, this application provides a roll that stability is high.

The application provides a roll that stability is high adopts following technical scheme:

a roller with high stability comprises a mandrel and an outer roller, wherein the mandrel is divided into a thick mandrel and a thin mandrel, the outer roller is sleeved on the thick mandrel, two ends of the thick mandrel are located between two ends of the outer roller, limiting blind holes are formed in the inner side walls of two ends of the outer roller, mounting through holes are formed in the positions, close to the side walls of the limiting blind holes, of the thin mandrel, limiting rods are arranged in the mounting through holes, and one ends of the limiting rods are embedded in the mounting through holes; a sliding groove is formed in one surface, away from the thick mandrel, of the thin mandrel and communicated with the mounting through hole, and an adjusting mechanism is arranged in the sliding groove; the adjusting mechanism is connected with the limiting rod and used for adjusting the length of the limiting rod extending out of the mounting through hole and enabling one end, far away from the adjusting mechanism, of the limiting rod to be embedded in the limiting blind hole.

Through adopting above-mentioned technical scheme, the gag lever post can be followed and is stretched out in the installation through-hole, and the adjustable gag lever post of adjustment mechanism stretches out the length of installation through-hole, makes the gag lever post keep away from the one end of adjustment mechanism and inlays and establish in spacing blind hole to retraining outer roller, making outer roller be difficult for removing along thick mandrel, making outer roller and thick mandrel stable connection, effectively improved the holistic stability of roll, the steel rolling of being convenient for.

Optionally, the adjusting mechanism comprises a wedge block and a control assembly, and the wedge block is embedded in the sliding groove and can slide along the sliding groove; one surface of the wedge block, which is close to the limiting rod, is a first inclined surface, one surface of the limiting rod, which is close to the wedge block, is a second inclined surface, and the first inclined surface is attached to the second inclined surface; the control assembly is positioned in the sliding groove and arranged on one surface of the wedge block close to the opening of the sliding groove, and the control assembly is used for controlling the moving distance of the wedge block.

Through adopting above-mentioned technical scheme, the distance that the steerable voussoir of control assembly removed, when control assembly control voussoir removed to the groove one side of keeping away from the open-ended in the groove that slides, the gag lever post stretches out outside the installation through-hole gradually under the cooperation on first inclined plane and second inclined plane. The wedge block is simple in structure, convenient to process and install and capable of effectively adjusting the length of the limiting rod extending out of the installation through hole.

Optionally, the control assembly comprises a connecting block, a positioning bearing and a control rod, the connecting block is fixedly arranged on one surface of the wedge block close to the notch of the sliding groove, and a threaded hole is formed in one surface of the connecting block close to the notch of the sliding groove; the positioning bearing is detachably arranged in the sliding groove through the positioning assembly; one end of the control rod, which is far away from the notch of the sliding groove, is in threaded connection with the threaded hole, and the other end of the control rod is arranged in the positioning bearing in a penetrating way and is fixedly connected with the positioning bearing.

Through adopting above-mentioned technical scheme, the connecting block is used for threaded connection voussoir and control lever, and the location bearing is used for the one end that the voussoir was kept away from to fixed control lever to make the control lever can rotate. The wedge block can move along the sliding groove to the direction far away from the notch of the sliding groove by rotating the control rod. At a fixed position, namely a positioning bearing, the wedge block can move in the sliding groove, so that an operator can control the movement of the wedge block conveniently.

Optionally, when the limiting rod abuts against one surface, away from the thin core shaft, of the limiting blind hole, the control rod is still located in the threaded hole.

Through adopting above-mentioned technical scheme, when the one side that thin dabber was kept away from to the gag lever post and the one side that thin dabber was kept away from to spacing blind hole offset, if the control lever breaks away from with the screw hole, the voussoir then loses the control of control lever. When the outer roller needs to be detached from the thick mandrel, the control rod is not easy to drive the wedge blocks to move towards the opening direction of the sliding groove, so that an operator is not convenient to detach the outer roller.

Optionally, a reset column is fixedly arranged on the inner side wall of the limiting blind hole, and a reset spring is sleeved on the reset column; the one end of reset spring is fixed to be set up in spacing blind hole, and the other end offsets with the gag lever post, and reset spring is used for making the gag lever post pop out spacing blind hole along with the removal of voussoir.

Through adopting above-mentioned technical scheme, when outer roller took off from thick dabber, if the gag lever post was close to the one end of spacing blind hole down, the gag lever post was difficult to break away from with spacing blind hole along with the removal of voussoir to block outer roller, make outer roller be difficult for taking off from thick dabber. And reset spring's setting can make the gag lever post pop out spacing blind hole along with the removal of voussoir, and the operating personnel of being convenient for takes off outer roller from thick dabber.

Optionally, the wedge block includes an end face, the end face is adjacent to the first inclined plane and close to the thick mandrel, and a limiting plate is fixedly arranged on the end face.

Through adopting above-mentioned technical scheme, the limiting plate can carry on spacingly to the gag lever post, makes the gag lever post when removing to the lower extreme on first inclined plane, is difficult for landing from first inclined plane, is difficult for leading to gag lever post and voussoir separation, and the operating personnel of being convenient for controls the gag lever post.

Optionally, both ends of the thin mandrel are provided with a wedge block and an adjusting mechanism; a plurality of limiting blind holes and mounting through holes are formed in each end of the thin mandrel, a plurality of limiting rods are arranged on each limiting rod, and a plurality of first inclined surfaces and a plurality of second inclined surfaces are arranged on each first inclined surface and each second inclined surface; the limiting blind holes correspond to the mounting through holes one to one, the mounting through holes correspond to the limiting rods one to one, and the first inclined planes correspond to the second inclined planes one to one.

Through adopting above-mentioned technical scheme, the both ends of outer roller are all spacing, and every end is equal multiple spacing, make the connection of outer roller and thick dabber more stable.

Optionally, the positioning assembly includes a first block, a second block and a positioning bolt, the first block is fixedly disposed on an inner side wall of the sliding groove close to the opening, and a first through hole is formed in a surface of the first block close to the opening of the sliding groove; the second block is fixedly arranged on the outer side wall of the positioning bearing, and a second through hole is formed in the surface, close to the opening of the sliding groove, of the second block; the positioning bolt penetrates through the first through hole and the second through hole simultaneously.

Through adopting above-mentioned technical scheme, first piece and second piece accessible bolt are with location bearing demountable installation in the inslot that slides, the inslot maintenance that slides of being convenient for. Meanwhile, the first block and the second block are simple in structure and convenient to process and mount.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the adjusting mechanism can adjust the length of the limiting rod extending out of the mounting through hole, so that one end of the limiting rod, far away from the adjusting mechanism, is embedded in the limiting blind hole, the outer roller and the thick mandrel are stably connected, the overall stability of the roller is effectively improved, and steel rolling is facilitated;

2. the arrangement of the control rod and the positioning bearing can ensure that an operator can move the wedge block in the sliding groove at a fixed position, thereby being convenient for the operator to control the movement of the wedge block.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view of the internal structure of the glide groove.

Fig. 3 is an enlarged view of a in fig. 2.

Fig. 4 is an enlarged view of B in fig. 2.

Fig. 5 is a schematic view of the structure of the rear wedge hiding the thin mandrel.

Description of reference numerals: 1. a coarse mandrel; 2. a fine mandrel; 21. mounting a through hole; 3. an outer roller; 31. a limiting blind hole; 311. a reset column; 312. a return spring; 4. a sliding groove; 5. a limiting rod; 51. a second inclined plane; 6. an adjustment mechanism; 61. a wedge block; 611. a first inclined plane; 62. a limiting plate; 7. a control component; 71. connecting blocks; 711. a threaded hole; 72. a control lever; 73. positioning the bearing; 74. a first block; 741. a first through hole; 75. a second block; 751. a second through hole; 76. positioning the bolt; 77. a handle.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses roll that stability is high. Referring to fig. 1 and 2, the roller includes a thick mandrel 1, a thin mandrel 2 integrally formed at two ends of the thick mandrel 1, and an outer roller 3 sleeved on the thick mandrel 1, wherein two ends of the thick mandrel 1 are located between two ends of the outer roller 3.

Referring to fig. 2 and 3, a set of blind limiting holes 31 are respectively formed in the inner side walls of the two ends of the outer roller 3, each set of blind limiting holes 31 includes four blind limiting holes 31, and the four blind limiting holes 31 are arranged at equal intervals along the inner side wall of the outer roller 3. The central lines of the four limiting blind holes 31 are coplanar, and the central lines of the four limiting blind holes 31 are perpendicular to the central line of the outer roller 3. The inner side wall of the limiting blind hole 31 far away from the thin core shaft 2 is fixedly provided with a reset column 311 and a reset spring 312, and the reset column 311 is sleeved with the reset spring 312. When the return spring 312 is in a natural state, the length of the return spring 312 is greater than the length of the return post 311.

Referring to fig. 2 and 4, the two end faces of the thin mandrel 2 are provided with sliding grooves 4, the cross section of each sliding groove 4 is square, four inner side walls of each sliding groove 4 are provided with one installation through hole 21, and the four installation through holes 21 at each end correspond to the four limit blind holes 31 at the same end one by one. In the mounting through hole 21 and the limiting blind hole 31 which correspond to each other, the cross section of the limiting blind hole 31 is equal to that of the mounting through hole 21; the central line of the limiting blind hole 31 is collinear with the central line of the mounting through hole 21 and is perpendicular to the central line of the thin mandrel 2. A limiting rod 5 penetrates through each mounting through hole 21, one end of each limiting rod 5 is located in the sliding groove 4, the other end of each limiting rod 5 is located outside the sliding groove 4, and the cross section of each limiting rod 5 is slightly smaller than that of the mounting through hole 21. Each limiting rod 5 is provided with a limiting blind hole 31 corresponding to the limiting rod, and one end of each limiting rod 5, which is positioned outside the sliding groove 4, penetrates through the corresponding limiting blind hole 31 and abuts against the reset column 311. An adjusting mechanism 6 is installed in the sliding groove 4, the length of the limiting rod 5 extending out of the installation through hole 21 can be adjusted by the adjusting mechanism 6, one end of the limiting rod 5 far away from the sliding groove 4 is embedded in the corresponding limiting blind hole 31, and therefore the outer roller 3 is limited to move along the coarse mandrel 1, and steel rolling is facilitated.

Referring to fig. 4 and 5, the adjusting mechanism 6 includes a wedge 61, the wedge 61 is embedded in the sliding groove 4, the cross section of the wedge 61 is square, and the size of the end of the wedge 61 close to the thick core shaft 1 is smaller than the size of the end of the wedge 61 far from the thick core shaft 1. The wedge 61 includes four first inclined surfaces 611, one surface of each stopper rod 5 adjacent to the wedge 61 is a second inclined surface 51, and each first inclined surface 611 corresponds to one second inclined surface 51. Of the first inclined surface 611 and the second inclined surface 51 corresponding to each other, the first inclined surface 611 and the second inclined surface 51 are attached to each other. And a limiting plate 62 is welded on one surface of the wedge block 61 close to the thick mandrel 1, and the cross section of the limiting plate 62 is larger than the end surface of the wedge block 61 close to the thick mandrel 1. The one side that thick dabber 1 was kept away from to voussoir 61 goes up integrated into one piece has connecting block 71, and connecting block 71 inlays to be established in groove 4 that slides, and connecting block 71 is close to and installs control assembly 7 in the open-ended one side that slides, and the steerable voussoir 61 of control assembly 7 removes along groove 4 that slides, and first inclined plane 611 and second inclined plane 51 mutually support, and the length of the installation pole is stretched out to effective control gag lever post 5. Meanwhile, the limiting plate 62 can limit the limiting rod 5, so that the limiting rod 5 is not easy to separate from the wedge 61 when moving to the minimum end of the wedge 61. First inclined plane 611 and second inclined plane 51 magnetic force are connected, can make gag lever post 5 keep away from thin dabber 2 one end down, take off outer roller 3, and gag lever post 5 also is difficult for dropping pounding operating personnel's foot, has improved the security.

Referring to fig. 4, the control assembly 7 includes a positioning bearing 73 and a control rod 72, four first blocks 74 are welded on an arc surface of the positioning bearing 73 at equal intervals, and first through holes 741 are formed in surfaces of the four first blocks 74 close to the connecting block 71; four second blocks 75 are fixedly arranged on the inner side wall of the sliding groove 4, and a second through hole 751 is formed in one surface, close to the connecting block 71, of each second block 75; the same positioning bolt 76 penetrates through the first through hole 741 and the second through hole 751. A threaded hole 711 is formed in one surface, away from the wedge block 61, of the connecting block 71, one end of the control rod 72 is in threaded connection with the threaded hole 711, and the other end of the control rod 72 penetrates through the positioning bearing 73 and is fixedly connected with the positioning bearing 73. One end of the control rod 72 close to the opening of the sliding slot 4 is fixedly provided with a handle 77, and the handle 77 is positioned between the positioning bearing 73 and the opening of the sliding slot 4. By rotating the handle 77, the lever 72 is rotated, and the wedge 61 is moved away from the opening of the slide groove 4.

The implementation principle of the high-stability roller in the embodiment of the application is as follows: before the outer roller 3 is mounted on the thick mandrel 1, the limiting rod 5 is positioned at the smallest end of the wedge block 61. After the outer roller 3 is installed on the thick mandrel 1, the control rod 72 can be driven to rotate by rotating the handle 77, and one end of the control rod 72 close to the wedge block 61 is in threaded fit with the threaded hole 711, so that the wedge block 61 moves towards the direction close to the thick mandrel 1. At this moment, the first inclined surface 611 and the second inclined surface 51 are mutually matched, so that the distance from the limiting rod 5 extending out of the installation through hole 21 is gradually increased until one end of the limiting rod 5 far away from the wedge block 61 is embedded in the limiting blind hole 31, the outer roller 3 is limited to slide along the thick mandrel 1, the connection between the outer roller 3 and the thick mandrel 1 is more stable, and steel rolling is facilitated.

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. The utility model provides a roll that stability is high, includes dabber and outer roller (3), and the dabber divide into thick dabber (1) and thin dabber (2), and outer roller (3) cover is established on thick dabber (1) and the both ends of thick dabber (1) all are located between the both ends of outer roller (3), its characterized in that: the inner side walls at two ends of the outer roller (3) are respectively provided with a limiting blind hole (31), the side wall of the thin mandrel (2) close to the limiting blind holes (31) is provided with a mounting through hole (21), a limiting rod (5) is arranged in the mounting through hole (21), and one end of the limiting rod (5) is embedded in the mounting through hole (21); a sliding groove (4) is formed in one surface, away from the thick mandrel (1), of the thin mandrel (2), the sliding groove (4) is communicated with the installation through hole (21), and an adjusting mechanism (6) is arranged in the sliding groove (4); the adjusting mechanism (6) is connected with the limiting rod (5), and the adjusting mechanism (6) is used for adjusting the length of the limiting rod (5) extending out of the mounting through hole (21) and enabling one end, far away from the adjusting mechanism (6), of the limiting rod (5) to be embedded in the limiting blind hole (31).

2. A high stability roll according to claim 1, wherein: the adjusting mechanism (6) comprises a wedge block (61) and a control assembly (7), and the wedge block (61) is embedded in the sliding groove (4) and can slide along the sliding groove (4); one surface of the wedge block (61) close to the limiting rod (5) is a first inclined surface (611), one surface of the limiting rod (5) close to the wedge block (61) is a second inclined surface (51), and the first inclined surface (611) is attached to the second inclined surface (51); the control assembly (7) is positioned in the sliding groove (4) and arranged on one surface of the wedge block (61) close to the opening of the sliding groove (4), and the control assembly (7) is used for controlling the moving distance of the wedge block (61).

3. A high stability roll according to claim 2, wherein: the control assembly (7) comprises a positioning bearing (73) and a control rod (72), and the positioning bearing (73) is detachably arranged in the sliding groove (4) through the positioning assembly; one end of the control rod (72) far away from the notch of the sliding groove (4) is in threaded connection with the wedge block (61), and the other end of the control rod penetrates through the positioning bearing (73) and is fixedly connected with the positioning bearing (73).

4. A high stability roll according to claim 3, characterized in that: when the limiting rod (5) abuts against one surface, far away from the thin core shaft (2), of the limiting blind hole (31), the control rod (72) is still located in the threaded hole (711).

5. A high stability roll according to claim 1, wherein: a reset column (311) is fixedly arranged on the inner side wall of the limiting blind hole (31), and a reset spring (312) is sleeved on the reset column (311); one end of the reset spring (312) is fixedly arranged in the limiting blind hole (31), the other end of the reset spring is abutted against the limiting rod (5), and the reset spring (312) is used for enabling the limiting rod (5) to pop out of the limiting blind hole (31) along with the movement of the wedge block (61).

6. A high stability roll according to claim 2, wherein: and a limiting plate (62) is fixedly arranged at one end, far away from the opening of the sliding groove (4), of the wedge block (61).

7. A high stability roll according to claim 2, wherein: the limiting blind holes (31) and the mounting through holes (21) are provided with a plurality of parts, the limiting rod (5) is provided with a plurality of parts, and the first inclined surfaces (611) and the second inclined surfaces (51) are provided with a plurality of parts; the limiting blind holes (31) correspond to the mounting through holes (21) one by one, the mounting through holes (21) correspond to the limiting rods (5) one by one, and the first inclined surfaces (611) correspond to the second inclined surfaces (51) one by one.

8. A high stability roll according to claim 3, characterized in that: the positioning assembly comprises a first block (74), a second block (75) and a positioning bolt (76), the first block (74) is fixedly arranged on the inner side wall, close to the opening, of the sliding groove (4), and a first through hole (741) is formed in the surface, close to the opening, of the first block (74); the second block (75) is fixedly arranged on the outer side wall of the positioning bearing (73), and a second through hole (751) is formed in the surface, close to the opening of the sliding groove (4), of the second block (75); the positioning bolt (76) is simultaneously arranged in the first through hole (741) and the second through hole (751) in a penetrating mode.