CN211304238U

CN211304238U - Roller changing auxiliary device of four-roller mill

Info

Publication number: CN211304238U
Application number: CN201922142661.9U
Authority: CN
Inventors: 李建成; 李建财; 李建平
Original assignee: Hebei Yuguang Welding Industry Co ltd
Current assignee: Hebei Yuguang Welding Industry Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-08-21
Anticipated expiration: 2029-12-04

Abstract

The utility model discloses a four-high mill roll change auxiliary device belongs to rolling mill auxiliary fixtures technical field, including bottom plate, return pulley, track board and sliding support, four the return pulley set up in four angles of the lower part of bottom plate, the cross-section of track board is the L type, two the track board is fixed connection in pairs face to face on the upper surface of bottom plate, each pair of the centre of track board forms the slide, the base slider of sliding support slides in the slide and is locked by locking device, the top of sliding support is provided with the V type frame of erectting the roll axle head; the upper surface of the bottom plate is provided with a plurality of paired track plates which are arranged in parallel, and two ends of the slide way are respectively provided with one sliding support. The utility model discloses four-high mill roll change auxiliary device can stabilize safe deposit four-high mill and change the roll in-process to be convenient for carry the roll of removing the change.

Description

Roller changing auxiliary device of four-roller mill

Technical Field

The utility model relates to a rolling mill auxiliary fixtures technical field especially relates to a four-high mill roll change auxiliary device.

Background

After the rollers of the rolling mill are used for a period of time, the rollers need to be replaced regularly or irregularly due to fatigue damage or abnormal faults and the like, so that the product quality is ensured. At present, a four-roller rolling mill is used in the production of narrow band steel, non-ferrous metal pieces and the like, and comprises an upper supporting roller, an upper working roller, a lower working roller and a lower supporting roller, and when the roller of the rolling mill is replaced, a used lower roller frame needs to be hoisted. At present, temporary sleepers or simple support frames are mostly used for storing disassembled rolls or replacing repaired rolls.

However, the simple support frame has the problems of unstable and unsafe use and incapability of conveying and transferring. Therefore, it is necessary to develop a new auxiliary roll changing device for a four-high rolling mill in view of the above disadvantages.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a four high rolling mill roll change auxiliary device, can stabilize safe deposit four high rolling mill and change the roll of roll in-process to be convenient for carry the roll of removing the change.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model relates to a four-high mill roll change auxiliary device, including bottom plate, return pulley, track board and sliding support, four the return pulley sets up on four angles of the lower part of bottom plate, the cross-section of track board is the L type, two the track board is fixed connection in pairs face to face on the upper surface of bottom plate, form the slide in the middle of each pair of the track board, the base slider of sliding support slides in the slide and is locked by locking device, the top of sliding support is provided with the V type frame of erectting the roll axle head; the upper surface of the bottom plate is provided with a plurality of paired track plates which are arranged in parallel, and two ends of the slide way are respectively provided with one sliding support.

Furthermore, the bottom wheels comprise directional wheels and universal wheels, the two directional wheels are arranged below one end of the bottom plate, and the two universal wheels are arranged below the other end of the bottom plate.

Furthermore, the bottom plate is in the one end of universal wheel still is provided with the handrail, the handrail specifically adopts circular steel tube welding to form.

Furthermore, locking device includes screw hole and screw, and a plurality of the screw hole rule sets up the top of track board, screw threaded connection the screw hole, the bottom of screw compresses tightly on the upper surface of sliding support base slider.

Furthermore, the V-shaped frame comprises four supporting plates which are in V-shaped fixed connection with the top ends of the support columns of the sliding support.

Furthermore, an installation slide way is arranged on the top support plate, a supporting roller is arranged in the installation slide way, and the supporting roller supports the shaft end of the roller.

Furthermore, the supporting roller comprises a roller body and a roller shaft, the roller body specifically adopts a cylindrical roller bearing and is installed on the roller shaft, and two ends of the roller shaft are erected in the notch of the installation slideway.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model relates to a four-high mill roll change auxiliary device, through set up the sliding support that can slide and lock along the said slideway on the bottom plate, the position of the sliding support of both ends of the length adjustment according to different rolling mill rolls is convenient for, through the locking sliding support of the said locking device, have guaranteed the stable and reliable roll of setting up of said V-shaped frame of the sliding support top; four bottom wheels are arranged on the bottom surface of the bottom plate, so that the roller which is replaced is convenient to convey and move to a required place, the workload of a lifting appliance is reduced, and the maintenance and repair work efficiency of the replaced roller is improved.

In addition, the cooperation through directive wheel and universal wheel is used, is convenient for the utility model discloses turn to when four high-rolls mill roll change auxiliary device carries the transfer, nimble operation. Through the setting of handrail, be convenient for control among the operation personnel transportation process the utility model discloses four-high mill roll change auxiliary device. Through the cooperation of a plurality of screw holes and screw use, after the length adjustment of the roll of placing as required has the interval between two sliding support, use the screw in corresponding screw hole, the bottom butt of screw compresses tightly sliding support's base slider, has guaranteed the stability of connecting. Through the setting of supporting roller and top extension board, the installation slide on the top extension board adopts the opening form, is convenient for supporting roller's installation and dismantlement. When the roller needs to be rotationally checked on the V-shaped frame, a supporting roller can be installed, so that the roller can freely rotate; the roller body specifically adopts cylindrical roller bearing, and the bearing capacity is great. When the roller does not need to rotate, the lower supporting roller can be detached, the shaft end of the roller is directly placed on the V-shaped frame, and at the moment, the rubber pad is pasted on the inner contact surface of the top supporting plate, so that the roller is convenient to prevent slipping.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

FIG. 1 is a schematic view of the front view structure of the auxiliary roll changing device of the four-high mill of the present invention;

FIG. 2 is a schematic top view of the auxiliary device for changing rolls of a four-high rolling mill of the present invention;

FIG. 3 is a partial enlarged view of the portion I in FIG. 1;

FIG. 4 is a partial enlarged view of the portion J of FIG. 2;

description of reference numerals: 1. a base plate; 2. a directional wheel; 3. a universal wheel; 4. a track plate; 401. a threaded hole; 402. a screw; 5. a sliding support; 501. a support post; 502. a top support plate; 502a, installing a slideway; 6. Supporting the rollers; 601. a roller shaft; 7. a handrail; 8. and (4) rolling.

Detailed Description

The core of the utility model is to provide a four-high mill roll change auxiliary device, can stabilize safe deposit four-high mill and change the roll of roll in-process to be convenient for carry the roll of removing the change.

In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Description of the drawings in the following detailed description, the upper, lower, left and right descriptions are for illustrative purposes only and should not be construed as limiting the invention.

Referring to the accompanying drawings, fig. 1 is a schematic front view structure diagram of a four-high mill roll change auxiliary device of the present invention; FIG. 2 is a schematic top view of the auxiliary device for changing rolls of a four-high rolling mill of the present invention; FIG. 3 is a partial enlarged view of the portion I in FIG. 1; fig. 4 is a partially enlarged view of the portion J in fig. 2.

In a specific embodiment of the present invention, as shown in fig. 1 and fig. 2, a four-high mill roll-changing auxiliary device includes a bottom plate 1, bottom wheels, track plates 4 and a sliding support 5, wherein the four bottom wheels are mounted on four corners of the lower portion of the bottom plate 1 through bolts, the cross section of the track plate 4 is L-shaped, two track plates 4 are fixedly connected to the upper surface of the bottom plate 1 in pairs in a face-to-face manner, a slide is formed in the middle of each pair of track plates 4, a base slider of the sliding support 5 slides in the slide and can be locked by a corresponding locking device, and a V-shaped frame for erecting the shaft ends of the rollers 8 is arranged at the top of the sliding support 5; the upper surface of the bottom plate 1 is provided with a plurality of paired track plates 4 which are arranged in parallel, and two ends of the slide way are respectively provided with a sliding support 5.

The sliding supports 5 which can slide and be locked along the slide way are arranged on the bottom plate 1, so that the positions of the sliding supports 5 at two ends can be conveniently adjusted according to the lengths of different rolling mill rollers, the sliding supports 5 are locked through the locking devices, and the rollers 8 can be stably and reliably erected on the V-shaped frame at the top of the sliding supports 5; four bottom wheels are arranged on the bottom surface of the bottom plate 1, so that the roller which is replaced can be conveniently conveyed and moved to a required place, the workload of a lifting appliance is reduced, and the maintenance and repair work efficiency of the replaced roller is improved.

In a specific embodiment of the present invention, as shown in fig. 1, the bottom wheel includes two directional wheels 2 and two universal wheels 3, the two directional wheels 2 are disposed below one end of the bottom plate 1, and the two universal wheels 3 are disposed below the other end of the bottom plate 1.

Specifically, the bottom plate 1 is further provided with a handrail 7 at one end of the universal wheel 3, and the handrail 7 is formed by welding a circular steel tube.

Use through the cooperation of directive wheel 2 and universal wheel 3, be convenient for the utility model discloses turn to when four high-high mill roll change auxiliary device carries the transfer, nimble operation. Through the setting of handrail 7, control in the operation personnel transportation process of being convenient for the utility model discloses four-high mill roll change auxiliary device.

In a specific embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 4, the locking device includes a threaded hole 401 and a screw 402, the threaded holes 401 are regularly arranged at the top of the track plate 4, and are arranged in a linear shape at intervals, the screw 402 is in threaded connection with the threaded hole 401, and the bottom end of the screw 402 is pressed on the upper surface of the base block of the sliding support 5.

Through the cooperation use of a plurality of screw holes 401 and screw 402, after the length adjustment of the roll 8 of placing as required has the interval between two sliding support 5, use screw 402 screw in corresponding screw hole 401, the base slider that compresses tightly sliding support 5 is pressed in the butt of the bottom of screw 402, has guaranteed the stability of connecting.

In a specific embodiment of the present invention, as shown in fig. 1 to 3, the V-shaped frame includes a top plate 502, and four top plates 502 are connected to the top of the support column 501 of the sliding support 5 by V-shaped welding.

Further, as shown in fig. 3, a mounting slideway 502a is provided on the top supporting plate 502, the mounting slideway 502a is in an open form, and a mounting groove is provided at the bottom, a supporting roller 6 can be mounted in the mounting slideway 502a, and the supporting roller 6 supports the shaft end of the roller 8.

Specifically, the support roller 6 includes a roller body and a roller shaft 601, the roller body is mounted on the roller shaft 601 by using a cylindrical roller bearing, and both ends of the roller shaft 601 are mounted in the mounting grooves of the mounting chute 502 a.

Through the arrangement of the supporting rollers 6 and the top supporting plate 502, the installation slide ways 502a on the top supporting plate 502 are in an opening form, so that the supporting rollers 6 can be conveniently installed and detached. When the roller 8 needs to be checked on the V-shaped frame in a rotating mode, the supporting roller 6 can be installed, and free rotation of the roller 8 is facilitated; the roller body specifically adopts cylindrical roller bearing, and the bearing capacity is great. When the roller 8 does not need to rotate, the lower supporting roller 6 can be detached, the shaft end of the roller 8 is directly placed on the V-shaped frame, and at the moment, a rubber pad is pasted on the inner contact surface of the top supporting plate 502, so that the anti-skidding is facilitated.

The utility model discloses four high rolling mill roll change auxiliary device for not depositing and shifting of heavy rolling mill roll are carried, have improved the maintenance work efficiency that the roll was changed to the rolling mill, have guaranteed the clean and tidy health in workshop.

According to the roller changing auxiliary device of the four-roller rolling mill, the sliding supports 5 which can slide along the slide ways and are locked are arranged on the bottom plate 1, so that the positions of the sliding supports 5 at two ends can be conveniently adjusted according to the lengths of different rolling mill rollers, the sliding supports 5 are locked through the locking devices, and the rollers 8 can be stably and reliably erected on the V-shaped frame at the tops of the sliding supports 5; four bottom wheels are arranged on the bottom surface of the bottom plate 1, so that the roller which is replaced can be conveniently conveyed and moved to a required place, the workload of a lifting appliance is reduced, and the maintenance and repair work efficiency of the replaced roller is improved. In addition, use through the cooperation of directive wheel 2 and universal wheel 3, be convenient for the utility model discloses turn to when four high-rolls mill roll change auxiliary device carries the transfer, nimble operation. Through the setting of handrail 7, control in the operation personnel transportation process of being convenient for the utility model discloses four-high mill roll change auxiliary device. Through the cooperation use of a plurality of screw holes 401 and screw 402, after the length adjustment of the roll 8 of placing as required has the interval between two sliding support 5, use screw 402 screw in corresponding screw hole 401, the base slider that compresses tightly sliding support 5 is pressed in the butt of the bottom of screw 402, has guaranteed the stability of connecting. Through the arrangement of the supporting rollers 6 and the top supporting plate 502, the installation slide ways 502a on the top supporting plate 502 are in an opening form, so that the supporting rollers 6 can be conveniently installed and detached. When the roller 8 needs to be checked on the V-shaped frame in a rotating mode, the supporting roller 6 can be installed, and free rotation of the roller 8 is facilitated; the roller body specifically adopts cylindrical roller bearing, and the bearing capacity is great. When the roller 8 does not need to rotate, the lower supporting roller 6 can be detached, the shaft end of the roller 8 is directly placed on the V-shaped frame, and at the moment, a rubber pad is pasted on the inner contact surface of the top supporting plate 502, so that the anti-skidding is facilitated.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides a four high rolling mill roll change auxiliary device which characterized in that: the roller-type track structure comprises a bottom plate (1), bottom wheels, track plates (4) and a sliding support (5), wherein the four bottom wheels are arranged at four corners of the lower portion of the bottom plate (1), the cross sections of the track plates (4) are L-shaped, the two track plates (4) are fixedly connected to the upper surface of the bottom plate (1) in pairs in a face-to-face mode, a slide way is formed in the middle of each pair of track plates (4), a base sliding block of the sliding support (5) slides in the slide way and is locked by a locking device, and a V-shaped frame for erecting the shaft end of a roller (8) is arranged at the top of the sliding support (5); the upper surface of the bottom plate (1) is provided with a plurality of paired track plates (4) which are arranged in parallel, and two ends of the slide way are respectively provided with one sliding support (5).

2. The four-high mill roll-change assist device according to claim 1, characterized in that: the bottom wheel comprises directional wheels (2) and universal wheels (3), the two directional wheels (2) are arranged below one end of the bottom plate (1), and the two universal wheels (3) are arranged below the other end of the bottom plate (1).

3. The four-high mill roll-change assist device according to claim 2, characterized in that: the base plate (1) is in the one end of universal wheel (3) still is provided with handrail (7), handrail (7) specifically adopt circular steel tube welding forming.

4. The four-high mill roll-change assist device according to claim 1, characterized in that: the locking device comprises a threaded hole (401) and a plurality of screws (402), the threaded holes (401) are regularly arranged at the top of the track plate (4), the screws (402) are in threaded connection with the threaded holes (401), and the bottom ends of the screws (402) are pressed on the upper surface of a base sliding block of the sliding support (5).

5. The four-high mill roll-change assist device according to claim 1, characterized in that: the V-shaped frame comprises supporting plates (502), and the four supporting plates (502) are fixedly connected to the top ends of the support columns (501) of the sliding support (5) in a V shape.

6. The four-high mill roll-change assist device according to claim 5, characterized in that: the supporting plate (502) is provided with an installation slideway (502a), a supporting roller (6) is arranged in the installation slideway (502a), and the supporting roller (6) supports the shaft end of the roller (8).

7. The four-high mill roll-change assist device according to claim 6, characterized in that: the supporting roller (6) comprises a roller body and a roller shaft (601), the roller body is specifically provided with a cylindrical roller bearing and is arranged on the roller shaft (601), and two ends of the roller shaft (601) are erected in a notch of the installation slideway (502 a).