CN217972250U

CN217972250U - Roll changing balancing device of precise stainless steel cold rolling line

Info

Publication number: CN217972250U
Application number: CN202222141244.4U
Authority: CN
Inventors: 林伟凯; 彭晓青
Original assignee: Jieyang Jiaye Technology Co ltd
Current assignee: Jieyang Jiaye Technology Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-12-06
Anticipated expiration: 2032-08-15

Abstract

The utility model relates to the technical field of cold rolling lines, in particular to a roll changing balancing device of a precise stainless steel cold rolling line, which comprises a balancing seat, a shaft sleeve connected on the balancing seat and a hanging seat connected on the balancing seat in a sliding way; the balance seat is rotatably connected with a screw rod; a screw rod driving assembly capable of driving the screw rod to rotate is arranged on the balance seat; and a screw rod nut in threaded connection with the screw rod is fixed on the hanging seat. Use the utility model discloses the time, this structure can adjust at roller hoist and mount in-process and be the level for the installation of roller is convenient more fast.

Description

Roll changing balancing device of precise stainless steel cold rolling line

Technical Field

The utility model relates to a cold rolling line technical field, in particular to roll change balancing unit of accurate stainless steel cold rolling line.

Background

Cold rolling is rolling the steel sheet at room temperature below the recrystallization temperature by means of a roll shaft to further thin the steel sheet to a target thickness; the roll shaft needs to be frequently replaced because the roll shaft is pressed in the continuous working process; the existing roller shaft replacement usually adopts a crown block to directly hoist the roller shaft for installation; but because the hoisting position of the roll shaft is difficult to find a balance point, the alignment difficulty of the roll shaft and the mounting hole is large, and the roll shaft is inconvenient to mount.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a roll change balancing unit of accurate stainless steel cold rolling line to prior art's defect and not enough.

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

the utility model relates to a roll changing balancing device of a precise stainless steel cold rolling line, which comprises a balancing seat, a shaft sleeve connected on the balancing seat and a hanging seat connected on the balancing seat in a sliding way; the balance seat is rotatably connected with a screw rod; the balance seat is provided with a screw rod driving assembly capable of driving a screw rod to rotate; and a screw rod nut in threaded connection with the screw rod is fixed on the hanging seat.

Furthermore, the hanging seat comprises a sliding frame and a hanging roller which is rotatably connected to the sliding frame; two sliding rollers which are oppositely arranged are arranged on the left side and the right side of the sliding frame; the section of the balance seat is in an I shape; the sliding roller is inserted into the inner cavity of the balance seat; the sliding roller is tightly pressed against the inner bottom wall of the balance seat.

Furthermore, a balancing weight is fixed at one end of the balancing seat far away from the shaft sleeve.

Furthermore, side openings penetrating through the left side and the right side of the shaft sleeve are formed in the shaft sleeve; the side opening is communicated with an inner cavity penetrating through the shaft sleeve; two clamping blocks are connected inside the side opening in a sliding manner; the clamping blocks are provided with clamping block internal thread holes; one section of the bidirectional screw rod is in threaded connection with the internal thread hole of the clamping block of one of the clamping blocks; the other section of the bidirectional screw rod is in threaded connection with the internal threaded hole of the clamping block of the other clamping block.

Furthermore, sliding grooves are formed in the top surfaces of the clamping blocks; the lateral opening inside wall is provided with the guide with spout sliding connection.

Furthermore, a rotating sleeve, a second motor and a second reduction gearbox are fixed on the balance seat; a rotating shaft is rotatably connected inside the rotating sleeve; one end of the rotating shaft is fixed at the output end of the second reduction gearbox; the other end of the rotating shaft is fixed on the shaft sleeve; and the output end of the second motor is fixed on the input end of the second reduction gearbox.

After the structure is adopted, the utility model discloses beneficial effect does: when the utility model is used, the shaft sleeve clamps and fixes a roller to be installed, the lifting hook of the crown block is fixed on the lifting seat and lifts the whole balance seat, the first reduction gearbox drives the lead screw to rotate after the first motor is started, the lifting seat is driven to slide on the balance seat, and the position of the lifting seat on the balance seat is adjusted; the moment at the two sides of the hanging seat is balanced, so that the balance seat is in a horizontal state, and the roll shaft on the shaft sleeve is also horizontal; the roller shaft can be conveniently and horizontally inserted into equipment for installation; the structure can be adjusted to be horizontal in the hoisting process of the roller shaft, so that the roller shaft can be installed more quickly and conveniently.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a block diagram of the lead screw and the counterweight housing coupled to the hanger bracket;

FIG. 3 is a cross-sectional view of the bushing;

description of reference numerals:

1. a first motor; 2. a first reduction gearbox; 3. a balance seat; 4. a screw rod; 5. a feed screw nut;

6. a hanging seat; 601. a carriage; 602. hoisting the idler wheels; 603. a sliding roller; 7. a rotating shaft;

8. a shaft sleeve; 801. opening the side; 9. rotating the sleeve; 10. a second motor; 11. a second reduction gearbox;

12. a balancing weight; 13. a bidirectional screw rod; 14. a guide member; 15. a clamping block; 1501. a chute.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 3, the roll changing balancing device for a precision stainless steel cold rolling line of the present invention comprises a balancing base 3, a shaft sleeve 8 connected to the balancing base 3, and a hanging base 6 slidably connected to the balancing base 3; the balance seat 3 is rotatably connected with a screw rod 4; the balance seat 3 is provided with a screw rod driving assembly capable of driving the screw rod 4 to rotate; a screw rod nut 5 in threaded connection with the screw rod 4 is fixed on the hanging seat 6;

the screw rod driving component consists of a first motor 1 and a first reduction gearbox 2; the output end of the first motor 1 is connected with the input end of the first reduction gearbox 2; the output end of the first reduction box 2 is connected to the screw rod 4; after the first motor 1 is started, the first reduction gearbox 2 drives the screw rod 4 to rotate;

the shaft sleeve 8 clamps and fixes a roller shaft to be installed, a lifting hook of a crown block is fixed on the lifting seat 6 and lifts the whole balance seat 3, and the screw rod driving assembly is started to drive the lifting seat 6 to slide on the balance seat 3 so as to adjust the position of the lifting seat 6 on the balance seat 3; the moment at the two sides of the hanging seat 6 is balanced, so the balance seat 3 is in a horizontal state, and the roll shaft on the shaft sleeve 8 is also horizontal; the roller shaft can be conveniently and horizontally inserted into equipment for installation; the structure can be adjusted to be horizontal in the hoisting process of the roller shaft, so that the roller shaft can be installed more quickly and conveniently.

As a preferred mode of the present invention, the hanging seat 6 comprises a sliding frame 601 and a hanging roller 602 rotatably connected to the sliding frame 601; two sliding rollers 603 which are arranged oppositely are arranged on the left side and the right side of the sliding frame 601; the section of the balance seat 3 is in an I shape; the sliding roller 603 is inserted into the inner cavity of the balance base 3; the sliding roller 603 is tightly pressed against the inner bottom wall of the balancing seat 3;

the sliding connection between the sliding frame 601 and the balance seat 3 is realized through two sliding rollers 603 which are arranged oppositely; the hoisting roller 602 traversing the sliding frame 601 is used for connecting a lifting hook of a crown block, and the rotatable hoisting roller 602 is adopted, so that when the whole balancing device is hoisted, the hoisting roller 602 rotates relative to the lifting hook to automatically find the center of gravity; the center of the whole roll-changing balancing device and the lifting hook of the crown block are on the same vertical line.

As an optimized mode of the present invention, the balancing block 12 is fixed on the end of the balancing seat 3 away from the shaft sleeve 8.

As a preferred mode of the present invention, the shaft sleeve 8 is provided with side openings 801 penetrating through the left and right sides of the shaft sleeve 8; the side opening 801 is communicated with an inner cavity penetrating through the shaft sleeve 8; two clamping blocks 15 are connected inside the side opening 801 in a sliding manner; the clamping blocks 15 are provided with clamping block internal thread holes; one section of the bidirectional screw rod 13 is in threaded connection with a clamping block internal threaded hole of one clamping block 15; the other section of the bidirectional screw rod 13 is in threaded connection with the internal thread hole of the clamping block of the other clamping block 15; after the shaft head of the roll shaft is inserted into the inner cavity of the shaft sleeve 8, the two clamping blocks 15 can be close to or far away from each other by rotating the bidirectional screw rod 13; the shaft heads of the roll shafts are clamped or loosened through the inner hole wall of the shaft sleeve 8 and the two clamping blocks 15, so that the roll shafts and the shaft sleeve 8 are convenient to disassemble and assemble.

As a preferable mode of the present invention, the top surfaces of the clamping blocks 15 are provided with sliding grooves 1501; the inner side wall of the side opening 801 is provided with a guide 14 which is in sliding connection with the chute 1501; the number of the guide members 14 is two, and the two guide members 14 are respectively inserted into the two sliding grooves 1501; the guide member 14 is connected with a bolt; the bolt is in threaded connection with a threaded hole formed in the shaft sleeve 8.

As a preferred mode of the present invention, the balance seat 3 is fixed with a rotating sleeve 9, a second motor 10 and a second reduction gearbox 11; a rotating shaft 7 is rotatably connected inside the rotating sleeve 9; one end of the rotating shaft 7 is fixed at the output end of the second reduction gearbox 11; the other end of the rotating shaft 7 is fixed on the shaft sleeve 8; the output end of the second motor 10 is fixed on the input end of the second reduction gearbox 11; after the second motor 10 is started, the rotating shaft 7 is driven to rotate through the second reduction gearbox 11, and the angle of the roller shaft connected to the shaft sleeve 8 is adjusted.

When the utility model is used, after the shaft head of the roller shaft is inserted into the inner cavity of the shaft sleeve, the two clamping blocks can be mutually close to each other and clamp and fix the roller shaft on the shaft sleeve by rotating the bidirectional screw rod, the lifting hook of the crown block is fixed on the lifting seat and lifts the whole balance seat, the first reduction box drives the screw rod to rotate after the first motor is started, the lifting seat is driven to slide on the balance seat, and the position of the lifting seat on the balance seat is adjusted; the moment at the two sides of the hanging seat is balanced, so that the balance seat is in a horizontal state, and the roll shaft on the shaft sleeve is also horizontal; the roller shaft can be conveniently horizontally inserted into equipment to be installed, and before installation, the second motor drives the rotating shaft to rotate through the second reduction gearbox after being started, so that the angle of the roller shaft connected to the shaft sleeve is adjusted; the structure can be adjusted to be horizontal in the process of lifting the roll shaft, so that the roll shaft is more quickly and conveniently mounted; the sliding connection between the sliding frame and the balance seat is realized through two sliding rollers which are arranged oppositely; the hoisting roller traversing the sliding frame is used for connecting a lifting hook of the overhead travelling crane, and the rotatable hoisting roller is adopted, so that when the whole balancing device is hoisted, the hoisting roller rotates relative to the lifting hook to automatically find the center of gravity; the center of the whole roll-changing balancing device and the lifting hook of the crown block are on the same vertical line.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. The utility model provides a roll change balancing unit of accurate stainless steel cold rolling line which characterized in that: the balance device comprises a balance seat (3), a shaft sleeve (8) connected to the balance seat (3) and a hanging seat (6) connected to the balance seat (3) in a sliding manner; the balance seat (3) is rotatably connected with a screw rod (4); the balance seat (3) is provided with a screw rod driving assembly capable of driving the screw rod (4) to rotate; a screw rod nut (5) which is in threaded connection with the screw rod (4) is fixed on the hanging seat (6).

2. The roll change balancing device of the precise stainless steel cold rolling line according to claim 1, characterized in that: the lifting seat (6) comprises a sliding frame (601) and a lifting roller (602) rotatably connected to the sliding frame (601); two sliding rollers (603) which are arranged oppositely are arranged on the left side and the right side of the sliding frame (601); the section of the balance seat (3) is in an I shape; the sliding roller (603) is inserted into the inner cavity of the balance seat (3); the sliding roller (603) is tightly propped against the inner bottom wall of the balance seat (3).

3. The roll change balancing device of the precise stainless steel cold rolling line according to claim 1, characterized in that: and a balancing weight (12) is fixed at one end of the balancing seat (3) far away from the shaft sleeve (8).

4. The roll change balancing device of the precise stainless steel cold rolling line according to claim 1, characterized in that: the shaft sleeve (8) is provided with side openings (801) penetrating through the left side and the right side of the shaft sleeve (8); the side opening (801) is communicated with an inner cavity penetrating through the shaft sleeve (8); two clamping blocks (15) are connected inside the side opening (801) in a sliding manner; the clamping blocks (15) are provided with clamping block internal thread holes; one section of the bidirectional screw rod (13) is in threaded connection with the internal thread hole of the clamping block of one clamping block (15); the other section of the bidirectional screw rod (13) is in threaded connection with the internal threaded hole of the clamping block of the other clamping block (15).

5. The roll change balancing device of the precise stainless steel cold rolling line according to claim 4, characterized in that: the top surfaces of the clamping blocks (15) are provided with sliding grooves (1501); the inner side wall of the side opening (801) is provided with a guide piece (14) which is in sliding connection with the sliding chute (1501).

6. The roll change balancing device of the precise stainless steel cold rolling line according to claim 1, characterized in that: a rotating sleeve (9), a second motor (10) and a second reduction gearbox (11) are fixed on the balance seat (3); a rotating shaft (7) is rotatably connected inside the rotating sleeve (9); one end of the rotating shaft (7) is fixed at the output end of the second reduction gearbox (11); the other end of the rotating shaft (7) is fixed on the shaft sleeve (8); the output end of the second motor (10) is fixed on the input end of the second reduction box (11).