CN216989195U

CN216989195U - Quick replacement device for main roller of rolling mill

Info

Publication number: CN216989195U
Application number: CN202220449614.8U
Authority: CN
Inventors: 张陈; 陈克英; 陈奕; 任士培
Original assignee: Anhui Hengyi Surface Engineering Co ltd
Current assignee: Anhui Hengyi Surface Engineering Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-07-19
Anticipated expiration: 2032-03-03

Abstract

The utility model relates to the technical field of rolling mills and discloses a quick replacement device for a main roller of a rolling mill, which comprises a tool trolley, wherein two connecting plates are symmetrically and fixedly connected to the upper side wall of the tool trolley, a main roller supporting plate and a bearing seat are fixedly connected to the upper side wall of each connecting plate, pulleys are fixedly connected to the front side and the rear side of the tool trolley, an installation frame is arranged on the lower side of the tool trolley, two slide rails matched with the pulleys are fixedly connected to the upper side wall of the installation frame, and hydraulic cylinders are fixedly connected to four corners of the lower side wall of the installation frame. The main roller limiting device can limit the main roller when the main roller is dismounted and mounted, so that the problem that the main roller is easy to fall off when the tooling trolley is moved to cause injury of operators is avoided, and the safety performance of the replacing device is improved.

Description

Quick replacement device for main roller of rolling mill

Technical Field

The utility model relates to the technical field of rolling mills, in particular to a quick replacement device for a main roller of a rolling mill.

Background

The rolling mill is equipment for realizing metal rolling process, and is equipment for completing the whole process of rolled material production. Besides the main parts and devices of the common rolling mill, the precision rolling mill is additionally provided with a device for ensuring the rolling precision.

In patent publication No. CN 204171084U, a vertical ring rolling mill main roll quick replacement device is proposed, comprising: the device comprises a tooling trolley, a support trolley and a guide rail frame; two main roller supporting plates with equal height and two bearing seats with equal height are arranged on the tooling trolley, the two main roller supporting plates are arranged between the two bearing seats, and two long side edges of the tooling trolley are symmetrically provided with two groups of pulleys; two rows of guide rails A are respectively arranged on two long edges of the upper end surface of the support trolley, and wheels are arranged at the bottom of the support trolley; two long edges of the upper end face of the guide rail frame are respectively provided with two guide rails B, and the width between the two guide rails B is the same as that between the two guide rails A. By the mode, the main roller of the vertical ring rolling mill can be quickly replaced, so that the time is saved; meanwhile, the danger caused by hoisting by a travelling crane is avoided, and the personal accident injury to the operating personnel caused by the breakage of the sling in the hoisting process is prevented; when the device is used, the main roller which is detached needs to be placed on the main roller supporting plate and the bearing seat, and when the main roller is transported, the main roller is easy to slide and drop, so that operators are injured.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that when the main roll replacing device in the prior art is used, a detached main roll needs to be placed on a main roll supporting plate and a bearing seat, and when the main roll is transported, the main roll is easy to slide and fall off, so that operators are injured.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a rolling mill home roll quick replacement device, includes the frock dolly, two connecting plates of the last lateral wall symmetry fixedly connected with of frock dolly, the last lateral wall fixedly connected with home roll backup pad and the bearing frame of connecting plate, the equal fixedly connected with pulley in both sides around the frock dolly, the downside of frock dolly is equipped with the mounting bracket, two slide rails that match each other with the pulley of the last lateral wall fixedly connected with of mounting bracket, the equal fixedly connected with pneumatic cylinder in lower lateral wall four corners department of mounting bracket, four the same bottom plate of lower extreme fixedly connected with of pneumatic cylinder, the equal fixedly connected with auto-lock wheel in lower lateral wall four corners department of bottom plate, the downside of frock dolly is connected with fixture.

Preferably, fixture includes the carriage of fixed connection lateral wall under the frock dolly, the inner wall of carriage rotates through the bearing and is connected with two-way internal thread section of thick bamboo, the fixed cover of outer wall of two-way internal thread section of thick bamboo is equipped with first gear, the gear groove has been seted up to the lower lateral wall of frock dolly, the gear mouth has been seted up to the lower lateral wall of carriage, the lower lateral wall fixedly connected with motor of carriage, the output fixedly connected with second gear of motor, the inner wall thread bush of two-way internal thread section of thick bamboo is equipped with two threaded rods, the threaded rod stretches out the one end fixedly connected with riser of a thread section of thick bamboo, the lateral wall of riser rotates through the pivot and is connected with the baffle.

Preferably, the lateral wall fixedly connected with shock pad of baffle, the equal fixedly connected with limiting plate of lower lateral wall and the inner wall of connection frame of frock dolly, two spacing grooves that match each other with the limiting plate are seted up to the pole wall of threaded rod.

Preferably, the upper side wall of the slide rail is fixedly connected with a wear-resistant layer.

Preferably, the motor is a servo motor.

Preferably, the motor housing is provided with a protective cover.

Preferably, the side wall of the tooling trolley is fixedly connected with a plurality of lifting lugs.

Preferably, the upper side wall of the slide rail is fixedly connected with a clamping block.

Preferably, the upper side wall of the tooling trolley is fixedly connected with a damping sponge block.

Compared with the prior art, the utility model provides a device for quickly replacing a main roller of a rolling mill, which has the following beneficial effects:

this rolling mill home roll quick replacement device, the frock dolly through setting up, the connecting plate, the home roll backup pad, the bearing frame, a pulley, the mounting bracket, a slide rail, the pneumatic cylinder, the bottom plate, the auto-lock wheel, the connection frame, two-way internal thread section of thick bamboo, first gear, the gear groove, the gear mouth, including a motor, an end cap, a controller, and a cover plate, the second gear, the threaded rod, the riser, the baffle, can carry out the dismouting when taking off the home roll, carry on spacingly to the home roll, avoid the home roll to drop easily when removing the frock dolly, cause the injured problem of operating personnel, the security performance of changing the device has been improved.

Drawings

Fig. 1 is a schematic structural diagram of a main roll quick replacement device of a rolling mill according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an enlarged schematic view of a portion B in fig. 1.

In the figure: 1 frock dolly, 2 connecting plates, 3 home roll backup pads, 4 bearing frames, 5 pulleys, 6 mounting brackets, 7 slide rails, 8 pneumatic cylinders, 9 bottom plates, 10 auto-lock wheels, 11 connection frames, 12 two-way internal thread section of thick bamboos, 13 first gear, 14 gear grooves, 15 gear mouths, 16 motors, 17 second gears, 18 threaded rods, 19 risers, 20 baffles, 21 shock pads, 22 limiting plates, 23 spacing grooves, 24 wearing layer, 25 protection casing, 26 lugs, 27 screens piece, 28 shock absorption sponge piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the 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 thus, should not be construed as limiting the present invention.

Embodiment 1 is as shown in fig. 1-3, a rolling mill home roll quick replacement device, including frock dolly 1, two connecting plates 2 of the last lateral wall symmetry fixedly connected with of frock dolly 1, the last lateral wall fixedly connected with home roll backup pad 3 and the bearing frame 4 of connecting plate 2, the equal fixedly connected with pulley 5 in both sides around frock dolly 1, the downside of frock dolly 1 is equipped with mounting bracket 6, two slide rails 7 that match each other with pulley 5 of the last lateral wall fixedly connected with of mounting bracket 6, the equal fixedly connected with pneumatic cylinder 8 in the lower lateral wall four corners department of mounting bracket 6, the same bottom plate 9 of lower extreme fixedly connected with of four pneumatic cylinders 8, the equal fixedly connected with auto-lock wheel 10 in the lower lateral wall four corners department of bottom plate 9, the downside of frock dolly 1 is connected with fixture.

Embodiment 2 is shown as fig. 2 on embodiment 1's basis, fixture includes the link 11 of fixed connection lateral wall under the frock dolly 1, the inner wall of link 11 rotates through the bearing and is connected with two-way internal thread section of thick bamboo 12, the fixed cover of outer wall of two-way internal thread section of thick bamboo 12 is equipped with first gear 13, gear groove 14 has been seted up to the lower lateral wall of frock dolly 1, gear mouth 15 has been seted up to the lower lateral wall of link 11, the lower lateral wall fixedly connected with motor 16 of link 11, motor 16's output fixedly connected with second gear 17, the inner wall thread cover of two-way internal thread section of thick bamboo 12 is equipped with two threaded rods 18, threaded rod 18 stretches out the one end fixedly connected with riser 19 of screw thread section of thick bamboo 12, the lateral wall of riser 19 rotates through the pivot and is connected with baffle 20.

Embodiment 3 is as shown in fig. 3 on the basis of embodiment 1, a shock pad 21 is fixedly connected to a side wall of the baffle 20, a limit plate 22 is fixedly connected to both a lower side wall of the tooling trolley 1 and an inner wall of the connection frame 11, and two limit grooves 23 matched with the limit plate 22 are formed in a wall of the threaded rod 18.

The upper side wall of the slide rail 7 is fixedly connected with a wear-resistant layer 24, so that the wear resistance of the tension slide rail 7 is improved.

The motor 16 is a servo motor and can control the bidirectional female screw cylinder 12 to rotate in the forward and reverse directions.

The motor 16 is covered with a protective cover 25 to protect the motor 16.

The side wall of the tooling trolley 1 is fixedly connected with a plurality of lifting lugs 26, so that the working trolley is convenient to take and place.

The upper side wall of the slide rail 7 is fixedly connected with a clamping block 27, and the stroke of the tool trolley 1 can be limited.

The upper side wall of the tooling trolley 1 is fixedly connected with a damping sponge block 28 which can buffer the main roller.

When the device is used, when a main roller is placed on the main roller supporting plate 3 and the bearing seat 4, the motor 16 is started to work, the motor 16 drives the bidirectional internal thread cylinder 12 to rotate through the mutual matching of the second gear 17 and the first gear 13, the two threaded rods 18 are driven to move in the mutually approaching direction through the thread matching, the two threaded rods 18 drive the two baffles 20 to move through the vertical plate 19, the main roller is clamped by the two baffles 20, and the device can limit the main roller when the main roller is dismounted and mounted, so that the problem that the main roller is easy to drop to cause injury of operators when a tooling trolley is moved is avoided, and the safety performance of the device is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A quick replacement device for a main roller of a rolling mill comprises a tooling trolley (1) and is characterized in that two connecting plates (2) are symmetrically and fixedly connected to the upper side wall of the tooling trolley (1), a main roller supporting plate (3) and a bearing seat (4) are fixedly connected to the upper side wall of each connecting plate (2), pulleys (5) are fixedly connected to the front side and the rear side of the tooling trolley (1), an installation frame (6) is arranged on the lower side of the tooling trolley (1), two sliding rails (7) matched with the pulleys (5) are fixedly connected to the upper side wall of the installation frame (6), hydraulic cylinders (8) are fixedly connected to four corners of the lower side wall of the installation frame (6), the lower ends of the four hydraulic cylinders (8) are fixedly connected with a same bottom plate (9), and self-locking wheels (10) are fixedly connected to four corners of the lower side wall of the bottom plate (9), the lower side of the tooling trolley (1) is connected with a clamping mechanism.

2. The quick replacing device for the main roller of the rolling mill as claimed in claim 1, characterized in that the clamping mechanism comprises a connecting frame (11) fixedly connected to the lower side wall of the tooling trolley (1), the inner wall of the connecting frame (11) is rotatably connected with a bidirectional internal thread cylinder (12) through a bearing, the outer wall of the bidirectional internal thread cylinder (12) is fixedly sleeved with a first gear (13), the lower side wall of the tooling trolley (1) is provided with a gear groove (14), the lower side wall of the connecting frame (11) is provided with a gear opening (15), the lower side wall of the connecting frame (11) is fixedly connected with a motor (16), the output end of the motor (16) is fixedly connected with a second gear (17), the inner wall of the bidirectional internal thread cylinder (12) is sleeved with two threaded rods (18), one end of the threaded rod (18) extending out of the bidirectional internal thread cylinder (12) is fixedly connected with a vertical plate (19), the lateral wall of riser (19) is connected with baffle (20) through the pivot rotation.

3. The quick replacement device for the main roller of the rolling mill according to claim 2, characterized in that a shock pad (21) is fixedly connected to a side wall of the baffle (20), a limiting plate (22) is fixedly connected to both a lower side wall of the tool trolley (1) and an inner wall of the connecting frame (11), and two limiting grooves (23) matched with the limiting plate (22) are formed in a rod wall of the threaded rod (18).

4. A rolling mill main roll quick change device according to claim 1, characterized in that the upper side wall of the slide rail (7) is fixedly connected with a wear layer (24).

5. A rolling mill main roll quick change device according to claim 2, characterized in that the motor (16) is a servo motor.

6. A rolling mill main roll quick change device according to claim 2, characterized in that the motor (16) housing is provided with a protective cover (25).

7. The quick replacement device for the main roller of the rolling mill according to claim 1, characterized in that a plurality of lifting lugs (26) are fixedly connected to the side wall of the tooling trolley (1).

8. A rolling mill main roll quick change device according to claim 1, characterized in that a catch block (27) is fixedly connected to the upper side wall of the slide rail (7).

9. The quick replacement device for the main roller of the rolling mill as claimed in claim 1, characterized in that a damping sponge block (28) is fixedly connected to the upper side wall of the tooling trolley (1).