CN210848935U

CN210848935U - Tool for overlaying hot-rolled straightening roll

Info

Publication number: CN210848935U
Application number: CN201921261117.XU
Authority: CN
Inventors: 解明祥; 叶文虎; 郭亚东; 鲁俊豪; 赵慧颖; 赵新节; 宋家福
Original assignee: Anhui Ma Steel Surface Technology Co ltd
Current assignee: Anhui Ma Steel Surface Technology Co ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-06-26
Anticipated expiration: 2029-08-05

Abstract

The utility model discloses a tool for hot rolling straightening roll build-up welding, which comprises support groups arranged in pairs, wherein two support groups are symmetrically arranged at two ends of a straightening roll, the support groups comprise a pair of supporting wheel components, a supporting seat and an adjusting component, the two supporting wheel components are symmetrically arranged on the supporting seat, the adjusting component adjusts the positions of the supporting wheel components on the supporting seat, and the two supporting wheel components on the same support group are respectively arranged at two sides of the end part of the straightening roll; the utility model discloses a formula frock is held on non top, when the hardfacing of carrying out the leveling roller, can improve the atress of roller in the build-up welding hot working process, makes it be in under the free state of lax in welding process, and then guarantees that the roller is warp very little after the longer time welding, and crooked and beating are in qualified scope.

Description

Tool for overlaying hot-rolled straightening roll

Technical Field

The utility model relates to a roll spare processing equipment field, concretely relates to frock is used in hot rolling straightener roll build-up welding.

Background

After the plate strip hot rolling production line is curled, before the plate strip enters a cold rolling process or before the plate strip is delivered, in order to improve the coil quality and the flatness of the plate strip and perform secondary subpackaging according to the specification required by a client, secondary cold machining is performed through a temper mill, namely, a steel coil is opened to enable the plate strip to pass through a temper mill, and the unqualified part is leveled and cut off or the unqualified part is subpackaged, so that the required effect is achieved.

The straightening roll is a core component in a hot-rolled plate strip flattening machine and is formed by assembling six rolls (the diameter is 220, three upper rolls and three lower rolls), a plate strip can pass through the middle of the straightening roll when passing through the flattening machine, and the flattening and straightening effects on the plate strips with different thicknesses are realized by adjusting roll gaps and pressing forces between the upper roll and the lower roll of the straightening roll.

The surface of the straightening roller needs to be specially strengthened under working conditions so as to prolong the service life of the roller, a common way for strengthening the surface of the straightening roller at present is to carry out hard-surface layer surfacing welding on the surface, but because the straightening roller is relatively thin and long (phi 220 × 2973), when surfacing welding (belonging to hot working) is carried out, if clamping is not reasonable, heat is accumulated easily to generate bending deformation, and the quality of the roller is adversely affected.

In view of the above-mentioned drawbacks, the authors of the present invention have finally obtained the present invention through long-term research and practice.

SUMMERY OF THE UTILITY MODEL

For solving the technical defect, the utility model discloses a technical scheme lie in, provide a frock is used to hot rolling straightener roll build-up welding, including the support group that sets up in pairs, two the support group symmetry sets up the both ends of straightener roll, the support group is including a pair of riding wheel subassembly, supporting seat and adjusting part, two the riding wheel subassembly symmetry sets up on the supporting seat, adjusting part adjusts the riding wheel subassembly is in position on the supporting seat, it is same support two on the group the riding wheel subassembly set up respectively in the both sides of straightener roll tip.

Preferably, the riding wheel assembly comprises a riding wheel and a riding wheel seat, the riding wheel is arranged on the riding wheel seat through a rotating shaft, and the riding wheel can rotate around the rotating shaft; the riding wheel seat is arranged on the adjusting component, and the adjusting component is arranged on the supporting seat.

Preferably, the adjusting part comprises a sliding plate and a screw rod, the supporting seat is provided with a placing cavity, the screw rod is arranged in the placing cavity, the screw rod can freely rotate in the placing cavity, the sliding plate corresponds to the screw rod, a connecting block is arranged on the screw rod, a threaded hole or a threaded column is arranged on the connecting block, the screw rod and the connecting block are connected through the threaded hole or the threaded column in a threaded manner, and the supporting wheel component is fixedly arranged on the sliding plate.

Preferably, the threaded column is an arc-shaped surface arranged on the connecting block, threads are arranged on the arc-shaped surface, and the threads on the arc-shaped surface are matched with the threads on the screw rod.

Preferably, the upper end face of the placing cavity is open, rotating bearings are fixedly arranged at two ends of the placing cavity, and the rotating bearings are sleeved on the screw rod.

Preferably, the two riding wheel assemblies are fixed on the same sliding plate.

Preferably, two sliding plates are arranged on the same supporting group, the riding wheel seats and the sliding plates are arranged in a one-to-one correspondence mode, and each sliding plate is provided with the connecting block.

Preferably, the threads on the two connecting blocks on the same support group are arranged in opposite directions.

The preferred, the adjusting part includes draw runner, threaded rod, lead screw, slide, the draw runner sets up the intracavity of placing of supporting seat, the draw runner is provided with the screw hole, the threaded rod with screw hole threaded connection, the draw runner with the lead screw passes through antifriction bearing and connects, and is same be provided with two on the support group the slide, the riding wheel seat with the slide one-to-one sets up, the slide all is provided with the connecting block, be provided with the screw thread post on the connecting block, the lead screw with the connecting block passes through screw thread post threaded connection is same two on the support group screw reverse setting on the connecting block.

Preferably, two ends of the threaded rod are fixedly arranged on the supporting seat through a rotating bearing and can freely rotate around the axis of the threaded rod; the two ends of the screw rod are arranged on the supporting seat through sliding bearings, and the screw rod can axially move and rotate.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a formula frock is held on non-top, when the hardfacing of carrying out the leveling roller, can improve the atress of roller in the build-up welding hot working process, makes it be in under the free state of lax in welding process, and then guarantees that the roller is warp very little after the longer time (about twenty many hours) welding, and crooked and beating are in qualified scope.

Drawings

FIG. 1 is a structural front view of the tool for hot-rolled straightening roll surfacing;

FIG. 2 is a structural side view of the tool for hot-rolled straightening roll surfacing;

FIG. 3 is a structural view of a second embodiment of the adjustment assembly;

fig. 4 is a structural view of a fourth embodiment of the adjustment assembly.

The figures in the drawings represent:

1-a carrier wheel assembly; 2-a support seat; 3-a regulating component; 4-straightening roll; 11-riding wheels; 12-a riding wheel seat; 31-a slide plate; 32-a screw rod; 33-connecting blocks; 34-a slide bar; 35-threaded rod.

Detailed Description

The above and further features and advantages of the present invention will be described in more detail below with reference to the accompanying drawings.

Example one

As shown in fig. 1 and 2, fig. 1 is a structural front view of the tool for hot-rolled straightening roll build-up welding; FIG. 2 is a structural side view of the tool for hot-rolled straightening roll surfacing; frock is used to hot rolling leveling roller build-up welding is including the support group that sets up in pairs, two the support group symmetry sets up, support the group including a pair of riding wheel subassembly 1, supporting seat 2 and adjusting part 3, two 1 symmetry of riding wheel subassembly sets up on the supporting seat 2, adjusting part 3 is adjusted riding wheel subassembly 1 is in position on the supporting seat 2. Generally, the setting of leveling roller 4 is in on the riding wheel subassembly 1, it is concrete, a tip of leveling roller 4 is fixed through build-up welding station chuck, it sets up respectively to support the group the both ends of leveling roller 4, in order to right the both ends of leveling roller 4 support, it is same support two on the group riding wheel subassembly 1 set up respectively in the both sides of 4 tip of leveling roller, in order to realize right the support of 4 tip of leveling roller.

The riding wheel assembly 1 comprises a riding wheel 11 and a riding wheel seat 12, wherein the riding wheel 11 is arranged on the riding wheel seat 12 through a rotating shaft, and the riding wheel 11 can rotate around the rotating shaft. The riding wheel seat 12 is arranged on the adjusting component 3, and the adjusting component 3 is arranged on the supporting seat 2, so that the riding wheel component 1 is arranged on the supporting seat 2.

Through inciting somebody to action for the hot rolling leveling roller build-up welding frock is placed and is fixed on the build-up welding station, then riding wheel 11 is right the spindle nose of leveling roller 4 holds in the palm, the build-up welding station the chuck clamping the spindle nose one side of leveling roller 4 to drive leveling roller 4 is rotatory, implements with this the build-up welding of 4 roll surfaces of leveling roller.

The hot rolling straightening roller 4 surfacing welding tool provided by the invention is suitable for surfacing welding of a slender straightening roller 4, and by adopting the welding tool disclosed by the invention, the bending and deformation of the straightening roller 4 caused by heat accumulation and clamping stress in the welding hot processing process can be greatly reduced, the flatness of the slender straightening roller 4 after welding is effectively ensured, and the quality of the straightening roller 4 is stabilized.

Example two

As shown in fig. 3, fig. 3 is a structural view of the adjusting assembly in this embodiment; adjusting part 3 includes slide 31 and lead screw 32, supporting seat 2 is provided with places the chamber, lead screw 32 sets up place the intracavity, lead screw 32 can place intracavity free rotation, just slide 31 corresponds lead screw 32 is provided with connecting block 33, be provided with screw hole or screw thread post on the connecting block 33, lead screw 32 with connecting block 33 passes through the screw hole or screw thread post threaded connection, the fixed setting of riding wheel subassembly 1 is in on the slide 31.

In the attached drawings, the connecting block 33 is implemented by adopting a mode of arranging a threaded column, the threaded column is arranged on an arc-shaped surface on the connecting block 33, threads are arranged on the arc-shaped surface, the threads on the arc-shaped surface are matched with the threads on the screw rod 32, and the connecting block 33 can be moved by rotating the screw rod 32.

Thereby it opens to place the up end in chamber and is convenient for slide 31 with be connected between the lead screw 32, the both ends in placing the chamber are all fixed and are provided with the bearing, the bearing housing is established on the lead screw 32, thereby realize the free rotation of lead screw 32.

Due to the threaded connection between the screw rod 32 and the connecting block 33, when the screw rod 32 rotates, the sliding plate 31 cannot rotate along with the screw rod 32 under the fixed action of the position of the placing cavity, so that the sliding plate 31 can move along the extending direction of the screw rod 32, thereby adjusting the position of the idler pulley assembly 1 on the supporting seat 2 and facilitating the position adjustment of the supporting point on the straightening roller 4.

EXAMPLE III

In this embodiment, the number of the sliding plates 31 is two, that is, each of the idler seats 12 is fixedly disposed on a corresponding sliding plate 31, the sliding plates 31 are all provided with the connecting block 33, the connecting block 33 is provided with a threaded hole or a threaded column, and the screw rod 32 and the connecting block 33 are in threaded connection through the threaded hole or the threaded column.

Preferably, the threads on the two connecting blocks 33 arranged on the same supporting group are reversely arranged, the corresponding thread parts on the screw rod 32 connected with the connecting blocks 33 are arranged in a matching manner, and the distance between the two riding wheel seats 12 can be adjusted in the process of rotating the screw rod 32, so that the height adjustment of the axis of the straightening roll 4 arranged on the riding wheel 11 can be realized, and the device is convenient to be applied to straightening rolls 4 with different sizes.

The utility model discloses a hot rolling is application method of frock for straightener roll build-up welding specifically is: placing the tool for hot-rolled straightening roll surfacing on a surfacing station guide rail, enabling the central line of the tool for hot-rolled straightening roll surfacing to coincide with the main axis of a station through adjustment, and enabling the two support groups to be in a parallel state; adjusting the relative distance (200-300 mm) between the support groups close to the chuck and the chuck according to the length of the straightening roller 4, adjusting the distance and the position between the two support groups to be about 2400mm, and spot-welding and fixing the support seat 2 at the lower part of the two support groups on a guide rail of a surfacing station after the distance and the position are adjusted in place; according to the roll diameter of the straightening roll 4, the distance (the center distance is 40-50 mm) between the two riding wheels 11 on the straightening roll is adjusted through the lead screw, so that the center line of the supported straightening roll 4 is matched with the center of the chuck; hoisting the preheated straightening roll 4 to a tool for overlaying the hot rolling straightening roll, respectively supporting shaft heads on two sides on the riding wheels 11 on the two support groups, and clamping the shaft head on one side by using the chuck; starting trial operation after clamping is finished, and starting welding after stable operation is confirmed; and loosening the chuck for clamping after welding is finished, hanging the straightening roll 4 away from the hot-rolled straightening roll surfacing tool, and entering the next procedure.

Example four

In the present embodiment, in order to achieve the effects of the second embodiment and the third embodiment together, that is, the equidirectional adjustment and the opposite-direction adjustment of the idler assemblies 1.

In this embodiment, as shown in fig. 4, fig. 4 is a structural view of the adjusting assembly in this embodiment; the adjusting assembly 3 comprises a sliding strip 34, a threaded rod 35, a screw rod 32 and a sliding plate 31, wherein the sliding strip 34 is arranged in the placing cavity, the sliding strip 34 is provided with a threaded hole, the threaded rod 35 is in threaded connection with the threaded hole, the sliding strip 34 is connected with the screw rod 32 through a rolling bearing, namely, the screw rod 32 can move along with the sliding strip 34 in the axial direction.

The number of the sliding plates 31 is two, namely, each riding wheel seat 12 is fixedly arranged on the corresponding sliding plate 31, the sliding plates 31 are provided with the connecting blocks 33, the connecting blocks 33 are provided with threaded columns, and the screw rod 32 is in threaded connection with the connecting blocks 33 through the threaded columns.

The threads on the two connecting blocks 33 arranged on the same supporting group are reversely arranged, the corresponding thread parts on the screw rod 32 connected with the connecting blocks 33 are arranged in a matching way, and the distance between the two riding wheel seats 12 can be adjusted in the process of rotating the screw rod 32, so that the axial line of the straightening roller 4 arranged on the riding wheel 11 can be adjusted in height, and the device is convenient to be applied to the straightening rollers 4 with different sizes.

Preferably, both ends of the threaded rod 35 are fixedly disposed on the supporting seat 2 through a rotating bearing, and can freely rotate around the axis of the threaded rod, both ends of the screw rod 32 are disposed on the supporting seat 2 through a sliding bearing, and the screw rod 32 can axially move.

The foregoing is only a preferred embodiment of the present invention, which is illustrative, not limiting. Those skilled in the art will appreciate that many variations, modifications, and equivalents may be made thereto without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a frock is used to hot rolling leveling roller build-up welding, its characterized in that, including the support group that sets up in pairs, two the support group symmetry sets up the both ends of leveling roller, the support group includes a pair of riding wheel subassembly, supporting seat and adjusting part, two riding wheel subassembly symmetry sets up on the supporting seat, adjusting part adjusts the riding wheel subassembly is in position on the supporting seat, it is same two on the support group the riding wheel subassembly set up respectively in the both sides of leveling roller tip.

2. The tool for overlaying welding of the hot-rolled straightening roller according to claim 1, wherein the supporting wheel assembly comprises a supporting wheel and a supporting wheel seat, the supporting wheel is arranged on the supporting wheel seat through a rotating shaft, and the supporting wheel can rotate around the rotating shaft; the riding wheel seat is arranged on the adjusting component, and the adjusting component is arranged on the supporting seat.

3. The tool for overlaying welding of the hot-rolled straightening roller according to claim 2, wherein the adjusting assembly comprises a sliding plate and a screw rod, the supporting seat is provided with a placing cavity, the screw rod is arranged in the placing cavity, the screw rod can freely rotate in the placing cavity, the sliding plate is provided with a connecting block corresponding to the screw rod, a threaded hole or a threaded column is arranged on the connecting block, the screw rod and the connecting block are in threaded connection through the threaded hole or the threaded column, and the supporting wheel assembly is fixedly arranged on the sliding plate.

4. The tool for overlaying hot-rolled straightening rollers according to claim 3, wherein the threaded column is an arc-shaped surface arranged on the connecting block, threads are arranged on the arc-shaped surface, and the threads on the arc-shaped surface are matched with the threads on the screw rod.

5. The tool for overlaying welding of the hot-rolled straightening roller according to claim 3, wherein the upper end surface of the placing cavity is open, rotating bearings are fixedly arranged at two ends of the placing cavity, and the rotating bearings are sleeved on the screw rod.

6. The tool for hot-rolled straightening roll overlaying according to claim 3, wherein the two idler assemblies are fixed on the same sliding plate.

7. The tool for overlaying hot-rolled straightening rollers according to claim 3, wherein two sliding plates are arranged on the same support group, the riding wheel seats and the sliding plates are arranged in a one-to-one correspondence manner, and each sliding plate is provided with the connecting block.

8. The tool for hot-rolled straightening roll overlaying according to claim 7, wherein the threads on the two connecting blocks on the same support group are arranged in opposite directions.

9. The tool for hot-rolled straightening roller surfacing welding according to claim 2, wherein the adjusting assembly comprises a slide bar, a threaded rod, a lead screw and a sliding plate, the slide bar is arranged in the placing cavity of the supporting seat, the slide bar is provided with a threaded hole, the threaded rod is in threaded connection with the threaded hole, the slide bar is connected with the lead screw through a rolling bearing, the two sliding plates are arranged on the supporting group, the riding wheel seats are in one-to-one correspondence with the sliding plates, the sliding plates are provided with connecting blocks, threaded columns are arranged on the connecting blocks, the lead screw is in threaded connection with the connecting blocks, and the two threads on the connecting blocks are arranged in a reverse direction.

10. The tool for overlaying welding of the hot-rolled straightening roller according to claim 9, wherein two ends of the threaded rod are fixedly arranged on the supporting seat through rotating bearings and can freely rotate around the axis of the threaded rod; the two ends of the screw rod are arranged on the supporting seat through sliding bearings, and the screw rod can axially move and rotate.