CN214441852U

CN214441852U - Roll changing device of multi-roll mill

Info

Publication number: CN214441852U
Application number: CN202022790441.XU
Authority: CN
Inventors: 石付宗; 叶寿喜; 许路坤; 田超; 童秋明; 金伟建; 李利华; 徐招伟; 麻金秀; 王效春
Original assignee: Zhejiang Disseminator Metal Decoration Material Co Ltd
Current assignee: Zhejiang Disseminator Metal Decoration Material Co Ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-10-22
Anticipated expiration: 2030-11-27

Abstract

The utility model relates to a multi-roll mill technical field just discloses a multi-roll mill roll-changing device, which comprises an outer shell, the host computer is inlayed at the top of shell, the inside fixed mounting of shell has the location axle, the outside movable mounting of location axle has and runs through the shell top and extend to the left digging arm of shell, the left end bottom of digging arm inlays and is equipped with the pulley, the inside fixed mounting of shell has the speed reducer, the inside fixed mounting of shell has the motor of being connected with the speed reducer transmission, the right-hand member bottom fixed mounting of digging arm has the rack, the output fixed mounting of speed reducer has the gear with rack toothing, the bottom fixed mounting of shell has quantity to be four directional wheels. This multi-roll mill roll-changing device, stable in structure is reasonable, need not the manual work and carries out multistage pneumatic cylinder and need change the fixed of roll and follow-up demolising, has reduced the cost of labor and has changed the activity duration, uses more convenient simple, and the effectual manpower that uses sparingly.

Description

Roll changing device of multi-roll mill

Technical Field

The utility model relates to a multi-roll mill technical field specifically is a multi-roll mill roll change device.

Background

The rolling mill is equipment for realizing a metal rolling process, equipment for generally finishing the whole process of rolled material production comprises main equipment, auxiliary equipment, hoisting and transporting equipment, auxiliary equipment and the like, the rolling mill with a plurality of rollers is called a multi-roller rolling mill, and the multi-roller rolling mill comprises rollers, a rolling mill housing, a bearing, a workbench, a steel rolling guide, a rail seat, a roller adjusting device, an upper roller balancing device, a roller replacing device and the like.

In the traditional multi-roller mill roller changing device, a working roller and a supporting roller which need to be changed are fixed at the output end of a multi-stage hydraulic cylinder manually, and then the working roller and the supporting roller are drawn out from the inside of a rack by the multi-stage hydraulic cylinder, so that the labor cost is increased, and the time required for changing the working roller and the supporting roller is prolonged, so that the multi-roller mill roller changing device is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides a multi-roll mill roll changing device possesses advantages such as using manpower sparingly, has solved traditional multi-roll mill roll changing, will need the working roll of changing and the back-up roll by the manual work to fix at multistage hydraulic cylinder's output, takes working roll and back-up roll out from the frame is inside by multistage hydraulic cylinder again, has increased the cost of labor, has prolonged the problem that required time was changed to working roll and back-up roll.

(II) technical scheme

In order to realize the purpose of saving manpower, the utility model provides a following technical scheme: a multi-roller mill roll changing device comprises an outer shell, a host is embedded at the top of the outer shell, a positioning shaft is fixedly installed inside the outer shell, a movable arm penetrating through the top of the outer shell and extending to the left side of the outer shell is movably installed outside the positioning shaft, a pulley is embedded at the bottom of the left end of the movable arm, a speed reducer is fixedly installed inside the outer shell, a motor connected with the speed reducer in a transmission mode is fixedly installed inside the outer shell, a rack is fixedly installed at the bottom of the right end of the movable arm, a gear meshed with the rack is fixedly installed at the output end of the speed reducer, four directional wheels are fixedly installed at the bottom of the outer shell, a built-in shell penetrating through the left side of the outer shell is fixedly installed inside the outer shell, a connecting plate is movably installed inside the built-in shell, a buffer spring extending to the outside of the built-in shell is fixedly installed on the left side of the connecting plate, the anti-collision device is characterized in that an anti-collision plate is fixedly mounted on the left side of the buffer spring, connecting seats are movably mounted on the front and the back of the shell and the front and the back of the movable arm, and the left side and the right side of the shell are movably connected through a return spring.

Preferably, the front and the back of the shell are fixedly provided with limit pieces, and the right side of the anti-collision plate is fixedly provided with two limit columns which penetrate through the two limit pieces respectively.

Preferably, the anticollision board is the U type setting, the left side fixed mounting of anticollision board has the rubber backing plate.

Preferably, the left end of the movable arm is arranged in a circular arc shape, and the rack is arranged in a circular arc shape by taking the positioning shaft as a circle center.

Preferably, a pressure sensor is embedded in the right side of the inner wall of the built-in shell, and a movable opening located outside the movable arm is formed in the top of the shell.

Preferably, the top and the bottom of the inner wall of the built-in shell are both provided with sliding grooves, and the top and the bottom of the connecting plate respectively extend into the two sliding grooves.

(III) advantageous effects

Compared with the prior art, the utility model provides a multi-roll mill roll changing device possesses following beneficial effect:

the multi-roll mill roll changing device fixes the right side of a shell with a multi-stage hydraulic cylinder, when a supporting roll and an operating roll of the multi-roll mill need to be changed, the multi-stage hydraulic cylinder pushes the shell to move transversely under the action of an orientation wheel and move to the side of the roll needing to be changed, a movable arm is pushed upwards under the action of a left cambered surface and rotates at a small angle through a positioning shaft, two reset springs generate tensile deformation, the movable arm hooks the roll needing to be changed through a pulley, the reset springs restore the position of the movable arm, the right side of the roll needing to be changed is contacted with the left side of an anti-collision plate and pushes the anti-collision plate rightwards, a buffer spring is compressed and pushes a connecting plate to press a pressure sensor, at the moment, the multi-stage hydraulic cylinder drives the shell to move rightwards, the roll needing to be changed is pulled to move rightwards through the movable arm, after the roll needing to be changed is completely moved out of the multi-roll mill, a motor converts high rotating speed into large moment through a speed reducer, the driving gear is rotated, so that the driving rack and the movable arm rotate at a small angle by taking the positioning shaft as a circle center, the movable arm leaves the roller to be replaced, otherwise, the maintained operation roller and the supporting roller can be pushed into the multi-roller rolling mill, the device is stable and reasonable in structure, the multi-stage hydraulic cylinder is not required to be manually fixed and subsequently detached, the labor cost is reduced, the operation time is replaced, the use is more convenient and simple, and the labor is effectively saved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at the position A of the present invention;

fig. 3 is a front view of the present invention.

In the figure: 1. a housing; 2. a host; 3. positioning the shaft; 4. a movable arm; 5. a pulley; 6. a speed reducer; 7. a motor; 8. a rack; 9. a gear; 10. a directional wheel; 11. a built-in shell; 12. a connecting plate; 13. a buffer spring; 14. an anti-collision plate; 15. a connecting seat; 16. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-3, a roll changing device of a multi-roll mill comprises a housing 1, a main frame 2 is embedded in the top of the housing 1, a positioning shaft 3 is fixedly installed in the housing 1, a movable arm 4 penetrating the top of the housing 1 and extending to the left side of the housing 1 is movably installed outside the positioning shaft 3, a pulley 5 is embedded in the bottom of the left end of the movable arm 4, a speed reducer 6 is fixedly installed in the housing 1, a motor 7 in transmission connection with the speed reducer 6 is fixedly installed in the housing 1, a rack 8 is fixedly installed at the bottom of the right end of the movable arm 4, the left end of the movable arm 4 is arranged in an arc shape, the rack 8 is arranged in an arc shape with the positioning shaft 3 as the center of a circle, a gear 9 meshed with the rack 8 is fixedly installed at the output end of the speed reducer 6, four orientation wheels 10 are fixedly installed at the bottom of the housing 1, an internally-disposed housing 11 penetrating the left side of the housing 1 is fixedly installed in the housing 1, the top and the bottom of the inner wall of the built-in shell 11 are both provided with chutes, the top and the bottom of the connecting plate 12 respectively extend into the two chutes, the right side of the inner wall of the built-in shell 11 is embedded with a pressure sensor, the top of the shell 1 is provided with a movable port positioned outside the movable arm 4, the inside of the built-in shell 11 is movably provided with the connecting plate 12, the left side of the connecting plate 12 is fixedly provided with a buffer spring 13 extending to the outside of the built-in shell 11, the left side of the buffer spring 13 is fixedly provided with an anti-collision plate 14, the front and the back of the shell 1 are both fixedly provided with a limiting piece, the right side of the anti-collision plate 14 is fixedly provided with two limiting posts which respectively penetrate through the two limiting pieces, the anti-collision plate 14 is in a U-shaped arrangement, the left side of the anti-collision plate 14 is fixedly provided with a rubber cushion plate, the front and the back of the shell 1 and the movable arm 4 are both movably provided with connecting seats 15, and the opposite sides of the connecting seats 15 on the left and right sides are movably connected through a return spring 16, the right side of a shell 1 is fixed with a multi-stage hydraulic cylinder, when a supporting roller and an operating roller of a multi-roller mill need to be replaced, the multi-stage hydraulic cylinder pushes the shell 1 to move transversely under the action of an orientation wheel 10 and move to the side of the roller needing to be replaced, a movable arm 4 is pushed upwards under the action of a left cambered surface and rotates at a small angle through a positioning shaft 3, two reset springs 16 generate tensile deformation, the movable arm 4 hooks the roller needing to be replaced through a pulley 5, the movable arm 4 is restored through the reset springs 16, the right side of the roller needing to be replaced is contacted with the left side of an anti-collision plate 14 and pushes the anti-collision plate 14 rightwards, a buffer spring 13 is compressed and pushes a connecting plate 12 to press a pressure sensor, the multi-stage hydraulic cylinder drives the shell 1 to move rightwards, the roller needing to be replaced is pulled to move rightwards through the movable arm 4, and after the roller is completely moved out of the multi-roller mill, a motor 7 converts high rotating speed into a large moment through a speed reducer 6, drive the gear 9 rotatory to it uses location axle 3 to be centre of a circle small-angle rotation with movable arm 4 to drive rack 8, make movable arm 4 leave and need to change the roller, otherwise can push the operation roller that maintains in the multi-roll rolling mill with the backing roll, this device stable in structure is reasonable, need not the manual work and carry out multistage pneumatic cylinder and need not to change the fixed of roller and follow-up demolish, reduced the cost of labor and change the activity duration, it is more convenient simple to use, the effectual manpower that uses sparingly.

To sum up, in the roll changing device of the multi-roll mill, the right side of the housing 1 is fixed with the multi-stage hydraulic cylinder, when the supporting roll and the working roll of the multi-roll mill need to be changed, the multi-stage hydraulic cylinder pushes the housing 1 to move transversely under the action of the orientation wheel 10, and moves to the side of the roll to be changed, the movable arm 4 is pushed upwards under the action of the left cambered surface, the positioning shaft 3 rotates at a small angle, the two return springs 16 generate tensile deformation, the movable arm 4 hooks the roll to be changed through the pulley 5, the return spring 16 enables the movable arm 4 to return to the original position, the right side of the roll to be changed contacts with the left side of the anti-collision plate 14 and pushes the anti-collision plate 14 rightwards, the buffer spring 13 compresses and pushes the connecting plate 12 to press the pressure sensor, at this time, the multi-stage hydraulic cylinder drives the housing 1 to move rightwards, the roll to be changed is pulled through the movable arm 4 to move rightwards, and completely moves out of the multi-roll mill, the motor 7 converts high rotating speed into large torque through the speed reducer 6, the gear 9 is driven to rotate, the rack 8 and the movable arm 4 are driven to rotate at a small angle by taking the positioning shaft 3 as a circle center, the movable arm 4 is separated from a roller needing to be replaced, otherwise, the maintained operation roller and the maintained support roller can be pushed into the multi-roller mill.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A multi-roller mill roll-changing device comprises a shell (1), and is characterized in that: the top of shell (1) is embedded with host (2), the inside fixed mounting of shell (1) has location axle (3), the outside movable mounting of location axle (3) has and runs through shell (1) top and extend to left digging arm (4) of shell (1), the left end bottom of digging arm (4) is embedded with pulley (5), the inside fixed mounting of shell (1) has speed reducer (6), the inside fixed mounting of shell (1) has motor (7) of being connected with speed reducer (6) transmission, the right-hand member bottom fixed mounting of digging arm (4) has rack (8), the output fixed mounting of speed reducer (6) has gear (9) with rack (8) meshing, the bottom fixed mounting of shell (1) has directional wheel (10) that quantity is four, the inside fixed mounting of shell (1) has and runs through left built-in shell (11) of shell (1), the utility model discloses a safety protection device for a vehicle, including built-in shell (11), the inside movable mounting of built-in shell (11) has connecting plate (12), the left side fixed mounting of connecting plate (12) has buffer spring (13) that extend to built-in shell (11) outside, the left side fixed mounting of buffer spring (13) has crashproof board (14), shell (1) and the equal movable mounting in front and the back of digging arm (4) have connecting seat (15), the left and right sides relative one side of connecting seat (15) is through reset spring (16) swing joint.

2. A multi-roll mill roll-changing device according to claim 1, characterized in that: the front and the back of the shell (1) are fixedly provided with limiting pieces, and the right side of the anti-collision plate (14) is fixedly provided with two limiting columns which penetrate through the two limiting pieces respectively.

3. A multi-roll mill roll-changing device according to claim 1, characterized in that: the anti-collision plate (14) is arranged in a U shape, and a rubber base plate is fixedly mounted on the left side of the anti-collision plate (14).

4. A multi-roll mill roll-changing device according to claim 1, characterized in that: the left end of the movable arm (4) is arranged in a circular arc shape, and the rack (8) is arranged in a circular arc shape by taking the positioning shaft (3) as a circle center.

5. A multi-roll mill roll-changing device according to claim 1, characterized in that: the pressure sensor is embedded on the right side of the inner wall of the built-in shell (11), and a movable opening located outside the movable arm (4) is formed in the top of the shell (1).

6. A multi-roll mill roll-changing device according to claim 1, characterized in that: the top and the bottom of the inner wall of the built-in shell (11) are both provided with sliding grooves, and the top and the bottom of the connecting plate (12) respectively extend to the insides of the two sliding grooves.